156 Results for System Administrator Jobs in Usa

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Systems Administrator

Martinez, CA
onsite
Temporary to Hire
45 - 60 USD / Hourly
Robert Half is looking for a Systems Administrator to support and maintain a complex enterprise technology environment in California. This Systems Administrator opportunity is ideal for a hands-on technical professional with strong experience in Windows Server, VMware, Active Directory, networking, and infrastructure support. The Systems Administrator will be responsible for maintaining critical systems, troubleshooting escalated technical issues, supporting infrastructure projects, and improving the reliability, performance, and security of enterprise technology. This position requires someone who can work independently, collaborate with senior technical staff, and provide exceptional support to end users. This Systems Administrator Role is an onsite position out of Martinez, Ca and has the potential to go fulltime. Responsibilities:<ul><li>Administer, configure, and maintain enterprise infrastructure, including Windows servers, VMware virtual environments, Active Directory, networks, VPNs, firewalls, and storage systems.</li><li>Support the installation, configuration, testing, maintenance, and troubleshooting of physical and virtual servers, network devices, and enterprise applications.</li><li>Manage Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, file services, and user account administration.</li><li>Support VMware virtualization technologies, including vCenter, vSphere, vMotion, and virtual machine management.</li><li>Troubleshoot complex hardware, software, network connectivity, application access, and system performance issues.</li><li>Perform routine infrastructure maintenance, including system backups, patch management, operating system upgrades, security updates, and performance optimization.</li><li>Monitor infrastructure health, network security, and system availability while identifying and resolving potential issues.</li><li>Administer Microsoft 365, Exchange, and related cloud-based services to support enterprise communications and collaboration.</li><li>Support network infrastructure, including LAN/WAN environments, switches, routers, wireless connectivity, firewalls, and VoIP systems.</li><li>Assist with storage administration, disaster recovery processes, data protection, and system restoration activities.</li><li>Utilize PowerShell and other scripting tools to automate administrative tasks and improve operational efficiency.</li><li>Serve as a second-level escalation resource for technical support issues involving servers, networks, applications, and end-user systems.</li><li>Collaborate with internal teams, technical leadership, and external vendors on infrastructure improvements and technology implementations.</li><li>Develop and maintain technical documentation, system configurations, troubleshooting procedures, and operational guidelines.</li><li>Identify opportunities to improve infrastructure reliability, security, automation, and overall IT service delivery.</li></ul>
2026-10-14T00:00:00Z

Systems Administrator

Santa Monica, CA
onsite
Permanent / Full Time
110000 - 140000 USD / Yearly
SCADA Systems Analyst OverviewA well-established public sector organization serving a large and dynamic community is seeking a SCADA Systems Analyst to support critical infrastructure operations. Based in Los Angeles, CA, this organization is dedicated to delivering reliable utility and operational services through innovative technology solutions. The team values collaboration, continuous improvement, and the effective use of automation and control systems to enhance service delivery. The SCADA Systems Analyst is responsible for the design, implementation, maintenance, and optimization of Supervisory Control and Data Acquisition (SCADA) and industrial control systems that support essential utility operations. This role plays a key part in ensuring system reliability, operational efficiency, and data integrity while partnering with internal stakeholders, vendors, and consultants. The position supports mission-critical infrastructure and contributes to long-term technology and automation initiatives. Key Responsibilities<ul><li>Design, implement, configure, and maintain SCADA, DCS, HMI, and related control system applications.</li><li>Provide technical support, troubleshooting, and administration for industrial automation systems and associated hardware.</li><li>Develop, maintain, and optimize reports, queries, dashboards, and operational data solutions.</li><li>Program, troubleshoot, and support PLCs, control modules, instrumentation, and network-connected equipment.</li><li>Assist in designing and maintaining networks that support industrial control and automation environments.</li><li>Manage system upgrades, enhancements, migrations, and integration projects from planning through implementation.</li><li>Create and maintain technical documentation, diagrams, schematics, system configurations, and operational procedures.</li><li>Collaborate with vendors, consultants, and internal teams to support new installations, upgrades, and maintenance activities.</li><li>Support contract administration, procurement activities, technology evaluations, and budget planning related to control systems.</li><li>Deliver end-user training and provide ongoing technical guidance to operational and maintenance teams.</li></ul>Additional Details<ul><li>Work Model: Hybrid schedule with three on-site days per week (Tuesday, Wednesday, and Thursday)</li><li>Participation in a rotating on-call schedule supporting critical systems that operate 24/7 (approximately two times per month)</li><li>Position involves both office-based work and support of operational environments</li><li>Occasional physical activity may be required, including bending, kneeling, reaching, and working in confined spaces</li></ul>Compensation & Benefits<ul><li>Competitive salary ranging from $110,000 to $137,000 annually</li><li>Additional on-call compensation equal to 8% of the employee’s hourly rate during scheduled on-call assignments</li><li>Comprehensive benefits package, including healthcare, retirement, and paid time off</li><li>Opportunities for professional development and technical training</li><li>Stable, mission-driven work environment with long-term career growth potential</li></ul>
2026-09-23T00:00:00Z

Systems Security Administrator

Houston, TX
onsite
Temporary / Contract
57 - 66 USD / Hourly
We are looking for a Systems Security Administrator to support and strengthen the security posture of our transport operations in Houston, Texas. This Long-term Contract position is ideal for someone who is detail oriented and can monitor threats, respond to incidents, and maintain security platforms across a Microsoft-centered environment. The role requires a hands-on approach to endpoint protection, vulnerability management, and defensive monitoring, along with the ability to collaborate effectively with technical teams. Success in this position will come from combining sound security judgment with clear communication and dependable operational support. Responsibilities: • Monitor Microsoft security technologies, including Office 365 E5 security capabilities and endpoint protection tools, to identify, assess, and resolve cyber threats. • Respond to security events with urgency by investigating alerts, containing risks, and supporting remediation efforts across affected systems. • Administer and optimize vulnerability management platforms such as Rapid7 or Tenable, including tuning scans and helping drive effective patching activities. • Review intrusion detection and prevention alerts, examine suspicious behavior, and conduct proactive threat-hunting activities to uncover potential risks. • Maintain and support security applications through installation, configuration, updates, and ongoing system upkeep. • Help develop, apply, and reinforce security policies and technical controls across the environment. • Work closely with internal teams to address security issues tied to patch cycles, system hardening, and operational challenges. • Provide support during after-hours or weekend security incidents when timely response is required. • Contribute to DevSecOps-related security efforts where applicable, including collaboration with development and toolchain environments such as GitHub. • Assist in strengthening security architecture by applying knowledge of Windows systems, networking, firewalls, and defensive best practices.
2026-10-20T00:00:00Z

Network/Systems Administrator

Chicago, IL
onsite
Temporary / Contract
42 - 55 USD / Hourly
We are looking for a Network/Systems Administrator to provide onsite support for core infrastructure operations in Chicago, Illinois. This Long-term Contract position focuses on keeping server, virtualization, storage, and network environments stable, secure, and well maintained while partnering with technical teams to resolve issues efficiently. The ideal candidate brings practical experience across VMware, Cisco networking, enterprise storage, and physical cabling, along with a dependable, hands-on approach to day-to-day infrastructure support. Responsibilities: • Manage virtual infrastructure by supporting VMware hosts, clusters, virtual machines, and associated platform components. • Track system health, investigate performance concerns, and carry out scheduled maintenance such as patching, upgrades, backups, and operational checks. • Provide administration for enterprise storage platforms, including monitoring utilization, addressing connectivity issues, and assisting with performance tuning. • Configure and troubleshoot Cisco network equipment, including switch ports, VLAN assignments, and general LAN connectivity. • Install and maintain copper and fiber cabling by tracing lines, labeling connections, organizing runs, and resolving physical network issues. • Perform hardware deployment tasks such as rack installation, equipment replacement, and upkeep of server rooms or network closets. • Diagnose infrastructure problems affecting servers, storage, network services, and user connectivity, escalating complex issues when needed. • Keep technical records current by updating diagrams, asset inventories, procedural documentation, and change history. • Follow established security standards, operational procedures, and change-control practices while coordinating with infrastructure, security, application, and support teams.
2026-10-19T00:00:00Z

Network Administrator

Somerville, MA
onsite
Temporary / Contract
43.5385 - 50.413 USD / Hourly
We are looking for a Network Administrator to join a collaborative IT team in Somerville, Massachusetts and help maintain a stable, secure, and scalable technology environment. This Long-term Contract position focuses on supporting enterprise networking across multiple locations while contributing to infrastructure modernization, office expansions, and integration efforts tied to business growth. The role is well suited for someone who enjoys hands-on technical work, cross-functional collaboration, and continuous improvement across network and cloud-connected systems. Responsibilities: • Manage day-to-day operations of enterprise networking systems, including firewalls, VPN connections, switching, routing, and wireless environments. • Diagnose and resolve issues affecting network availability, remote access, connectivity, and overall security posture. • Contribute to the integration of newly added sites by deploying standardized infrastructure and aligning equipment with company technology standards. • Coordinate and execute infrastructure enhancement initiatives such as network refreshes, office technology setups, and site buildout activities. • Provide technical support for related platforms, including VMware, Microsoft 365, and other cloud-based services connected to the network environment. • Act as a higher-level resource for service desk staff by handling escalated technical concerns and offering guidance to less experienced team members. • Keep technical documentation current, track network health, and recommend changes that strengthen performance, resilience, and protection. • Partner with IT leadership and internal stakeholders to advance operational improvements and support longer-term technology planning.
2026-10-08T00:00:00Z

Network Administrator

Somerville, MA
onsite
Temporary / Contract
47.5 - 55 USD / Hourly
We are looking for a Network Administrator to join a collaborative IT team in Somerville, Massachusetts, supporting a growing organization in the waste and environmental services industry. This Contract position focuses on maintaining and improving enterprise network operations across multiple sites while contributing to infrastructure expansion and technology consistency. The role offers the opportunity to work hands-on with core networking systems, cloud-connected environments, and site-based IT initiatives in a fully onsite setting. Responsibilities: • Manage day-to-day operation of enterprise networking systems, including firewalls, VPN connections, routers, switches, and wireless environments. • Diagnose and resolve network performance, access, and security-related issues to maintain stable business operations. • Contribute to the IT integration of newly acquired locations by deploying standardized infrastructure and equipment. • Coordinate and execute network refreshes, office technology rollouts, and infrastructure improvement projects across multiple sites. • Provide administrative support for VMware, Microsoft 365, and other cloud-enabled platforms connected to the network environment. • Act as a higher-level technical resource for Help Desk staff and provide guidance to less experienced team members. • Track network health, maintain accurate technical documentation, and recommend enhancements that strengthen uptime and protection. • Partner with IT leadership to support broader technology initiatives and identify opportunities to improve operational efficiency.
2026-10-02T00:00:00Z

Network Administrator

Chattanooga, TN
onsite
Temporary / Contract
32 - 36 USD / Hourly
Robert Half is seeking an experienced Network Operations Lead for an exciting opportunity with our client. This position will serve as a senior technical resource responsible for the stability, performance, security, and ongoing optimization of the client's enterprise network environment.The Network Operations Lead will provide subject matter expertise across LAN, WAN, wireless, routing, switching, SD-WAN, firewalls, and network security. This is a hands-on role that will be responsible for network deployments, troubleshooting, infrastructure upgrades, vendor coordination, and supporting critical network initiatives. Key Responsibilities<ul><li>Serve as the primary networking subject matter expert for infrastructure initiatives and projects.</li><li>Plan, design, deploy, configure, maintain, and optimize enterprise LAN, WAN, wireless, and SD-WAN environments.</li><li>Configure and support routers, switches, firewalls, wireless infrastructure, and related network equipment.</li><li>Lead new network build-outs, infrastructure refreshes, equipment replacements, and network cabling initiatives.</li><li>Monitor network performance and availability, troubleshoot complex issues, identify performance trends, and provide network performance reporting.</li><li>Configure and troubleshoot routing protocols and technologies including OSPF, VRFs, IPsec, VPLS, and other enterprise networking technologies.</li><li>Manage and maintain network security solutions, including firewall policies, zones, access controls, and security configurations.</li><li>Perform network asset management, maintaining accurate inventories, technical documentation, diagrams, and equipment specifications.</li><li>Install and upgrade network hardware and software while ensuring changes are completed according to established schedules and procedures.</li><li>Coordinate with third-party network and technology vendors for installations, troubleshooting, maintenance, and equipment procurement.</li><li>Collaborate with end users and internal IT teams to understand network requirements and develop appropriate technical solutions.</li><li>Participate in infrastructure projects, technical meetings, and network planning sessions.</li><li>Develop and maintain network operations procedures, standards, diagrams, and technical documentation.</li><li>Ensure network operations align with industry security best practices and applicable regulatory requirements.</li><li>Troubleshoot complex network hardware and software issues and implement effective solutions with minimal disruption to business operations.</li><li>Manage multiple concurrent projects, priorities, and deliverables in a fast-paced environment.</li><li>Provide technical guidance and expertise to other members of the IT organization as needed.</li><li>Participate in after-hours or weekend maintenance activities when required to minimize network downtime.</li></ul>
2026-10-08T00:00:00Z

Network Administrator

Fort Lauderdale, FL
onsite
Temporary / Contract
0 - 0 USD / Yearly
We are looking for a skilled and proactive Network Administrator to oversee and enhance our network systems in Fort Lauderdale, Florida. In this role, you will play a critical part in ensuring the stability, security, and efficiency of our wired and wireless infrastructure, as well as firewall technologies. This is a long-term contract opportunity, ideal for professionals eager to collaborate across teams and maintain high standards of network reliability. Responsibilities:• Configure, manage, and troubleshoot network devices such as routers, switches, firewalls, and wireless access points.• Administer and support firewall solutions, including platforms like Palo Alto Networks and Cisco, ensuring connectivity and security.• Monitor and maintain VPN tunnels, remote access systems, and site-to-site connections to guarantee seamless operations.• Assist in deploying, analyzing, and improving wired and wireless network infrastructure for optimal performance.• Collaborate with Deskside Support, Server Administration, and Information Security teams to align IT operations and resolve issues.• Uphold compliance with security protocols and regulatory standards by monitoring and maintaining network configurations.• Document network setups, updates, incident responses, and inventory records to ensure transparency and accuracy.• Provide Tier 2 support for network-related challenges, escalating more complex issues when necessary.• Participate in IT change management processes to ensure smooth transitions and upgrades.• Follow service management best practices related to incidents, problems, and change management processes.
2026-09-21T00:00:00Z

Network Administrator

Savannah, GA
onsite
Permanent / Full Time
0 - 0 USD / Yearly
We are looking for a Network Administrator to help ensure the reliability, security, and performance of our technology environment in Savannah, Georgia. This role supports day-to-day network operations, resolves advanced technical issues, and keeps critical infrastructure running efficiently. The ideal candidate brings strong troubleshooting ability, practical experience with enterprise networking equipment, and a proactive approach to maintaining secure and stable systems. Responsibilities: • Resolve advanced network incidents that are escalated beyond the initial support level, identifying root causes and restoring service in a timely manner. • Deploy, configure, maintain, and improve core networking equipment, including routers, switches, firewalls, and wireless devices. • Track network health and usage patterns through monitoring and diagnostic tools to identify issues, trends, and opportunities for improvement. • Carry out software, firmware, and configuration updates to maintain system performance, reliability, and security. • Support network security efforts by applying patches, managing user and device access, and following established compliance standards. • Administer IP addressing, subnet design, and related network configuration settings across the environment. • Investigate and resolve connectivity, hardware, and performance problems affecting local and broader network operations. • Create and maintain clear technical documentation covering configurations, troubleshooting processes, and issue resolution details. • Communicate technical findings, recommendations, and solutions effectively to both technical colleagues and non-technical users.
2026-09-30T00:00:00Z

Network Administrator

Nashville, TN
onsite
Temporary / Contract
35 - 40 USD / Hourly
Robert Half is seeking a Contract Network Administrator to join our client's IT team. As a Contract Network Administrator, you will be responsible for the design, implementation, and maintenance of the organization's network infrastructure. This role offers an exciting opportunity to work with a respected organization and contribute to the management of a robust and efficient network environment. Key Responsibilities:<ol><li>Network Design and Configuration: Design, deploy, and maintain network infrastructure, including routers, switches, firewalls, and wireless technologies, to ensure optimal performance and security.</li><li>Network Monitoring and Optimization: Monitor network performance, troubleshoot issues, and implement optimizations to maximize network efficiency and reliability.</li><li>Security Management: Implement and manage network security measures, including firewalls, intrusion detection systems, and VPNs, to protect against cybersecurity threats.</li><li>Network Maintenance: Perform routine maintenance tasks, such as software updates, firmware upgrades, and hardware replacements, to ensure network stability.</li><li>Troubleshooting and Support: Provide technical support and resolve network-related issues reported by users or identified through monitoring tools in a timely manner.</li><li>Documentation: Maintain accurate documentation of network configurations, procedures, and changes for future reference and compliance purposes.</li><li>Vendor Coordination: Collaborate with vendors and service providers to procure network equipment, manage service contracts, and troubleshoot complex network issues.</li><li>Capacity Planning: Assess network capacity, anticipate growth requirements, and make recommendations for upgrades or changes to meet organizational needs.</li></ol>
2026-10-14T00:00:00Z

Linux Systems Administrator

Milwaukee, WI
onsite
Permanent / Full Time
110000 - 140000 USD / Yearly
Robert Half is seeking a Senior Systems Administrator to support and maintain a complex mix of Linux, Windows, virtualization, cloud, and application environments. This role is ideal for someone who enjoys working across a broad technology stack, solving challenging infrastructure issues, and partnering directly with both internal stakeholders and external customers. You'll play a key role in system administration, automation, application support, security, performance optimization, and infrastructure projects while helping ensure highly available and secure business-critical environments. What You'll Do<ul><li>Administer and support Linux and Windows server environments, including installation, configuration, patching, upgrades, troubleshooting, and performance tuning.</li><li>Manage core infrastructure services such as Active Directory, Group Policy, IIS, DNS, and related technologies.</li><li>Support business applications and the underlying infrastructure required to keep them running efficiently.</li><li>Maintain and troubleshoot virtualized environments, including VMware and similar platforms.</li><li>Assist with cloud-based infrastructure across Azure, AWS, and other public cloud environments.</li><li>Develop and maintain automation using tools such as PowerShell, Bash, Python, Ansible, or Terraform.</li><li>Monitor system health, performance, and capacity while proactively identifying opportunities for improvement.</li><li>Partner with security teams to implement system hardening, vulnerability remediation, access controls, and patch management best practices.</li><li>Support backup, recovery, and disaster recovery processes for critical systems and applications.</li><li>Troubleshoot networking and application connectivity issues involving DNS, DHCP, VPNs, firewalls, and TCP/IP.</li><li>Participate in infrastructure upgrades, migrations, onboarding efforts, and technology modernization initiatives.</li><li>Create and maintain technical documentation, procedures, and operational runbooks.</li><li>Serve as a senior technical resource during incidents, projects, and customer-facing engagements.</li><li>Participate in an on-call rotation supporting production systems as needed.</li></ul>
2026-10-20T00:00:00Z

Linux Administrator

Minneapolis, MN
onsite
Temporary to Hire
40 - 55 USD / Hourly
We are looking for an eager Linux/Unix Systems Administrator. Linux and Microsoft Server AdministrationStorage System (Netapp)VMWare and Citrix XenServer AdministrationServer backupsHardware installation and maintenance (requires some lifting)Assists HelpDesk support and departmental technical service requestsNetwork and TelecommunicationsAssists inThe management of network devices (router, firewall, switches, etc.) administration, and reporting.Monitoring network performance, troubleshooting, and security incident handling.Configuration of wireless network and APs.System logging, monitoring, and accessPBX system, handsets, voicemail, and peripheralsKeeps documentation of policies and procedures up to dateProvides backup for other ITS team members as neededWorks closely with vendor support when requiredOn-call schedule for responding to and resolving systems issues occurring outside of business hoursPerform other duties as assigned by the Director of IT Services
2026-10-15T00:00:00Z

Linux Administrator

Tampa, FL
onsite
Temporary to Hire
0 - 0 USD / Yearly
The organization is looking for an experienced Systems Administrator with strong Linux, virtualization, and storage experience to support a primarily on prem infrastructure environment. This role maintains the reliability, availability, and security of Windows, Linux, virtual machines, and core infrastructure that supports 24/7 operations. The environment includes modern Windows Server builds, RedHat Linux, and a large VMware footprint.________________________________________Key Responsibilities• Administer and support Linux (RedHat) and Windows Server environments.• Manage virtualization platforms (VMware) across ~500 virtual machines and ~60 servers.• Maintain and support storage technologies and related infrastructure.• Perform system installation, configuration, troubleshooting, patching, upgrades, and performance tuning.• Maintain hardware environments, primarily Dell server infrastructure.• Support identity and access systems (Active Directory, Entra ID) and M365.• Administer and support cloud services in Azure or AWS (as applicable).• Assist with security responsibilities including SIEM, endpoint protection, vulnerability scanning, and compliance tasks.• Create and maintain scripts (preferably from scratch) to automate tasks and improve system reliability.• Produce and maintain documentation for processes, standards, system configurations, and inventory.• Monitor uptime and performance using enterprise monitoring tools.• Participate in incident response, including root cause analysis and on call rotation.• Build and deploy software packages and support enterprise application environments.• Collaborate with internal teams on infrastructure projects and upgrades._______________________________________
2026-09-29T00:00:00Z

Systems Administrator III

Bedford, OH
onsite
Permanent / Full Time
109000 - 123000 USD / Yearly
We are looking for an experienced Systems Administrator III to support and enhance a complex enterprise technology environment. This role is ideal for a hands-on infrastructure specialist who can manage Windows-based systems, strengthen identity and access services, and contribute to reliable IT operations across both on-premises and cloud platforms. The successful candidate will bring strong technical judgment, practical scripting ability, and a proactive approach to system performance, security, and continuity. Responsibilities: • Administer and maintain Windows server and desktop environments to ensure stable, secure, and efficient day-to-day operations. • Manage identity and access services across on-premises Active Directory, Group Policy, and Entra ID to support user lifecycle and policy enforcement. • Develop and use PowerShell scripts to automate routine administration, streamline support tasks, and improve operational consistency. • Support a broad Microsoft ecosystem that may include Intune, Azure, SharePoint, virtualization platforms, SaaS applications, and endpoint management tools. • Monitor infrastructure health, troubleshoot technical issues, and resolve escalated incidents involving systems, access, performance, and connectivity. • Contribute to IT planning by recommending infrastructure improvements, aligning technical solutions with operational goals, and supporting long-term system strategy. • Apply best practices for security, storage, backup, disaster recovery, and data protection to strengthen resilience and reduce operational risk. • Assist with advanced infrastructure technologies such as clustering, Hyper-V, and related Microsoft platform services when required.
2026-10-01T00:00:00Z

Database Administrator

Westlake, OH
onsite
Permanent / Full Time
70000 - 155000 USD / Yearly
We are looking for an experienced Database Administrator to join our team in Westlake, Ohio. In this role, you will manage and optimize database systems to ensure high performance, security, and reliability. The ideal candidate will bring extensive expertise in database administration and a proactive approach to solving complex challenges. Responsibilities: • Administer and maintain Microsoft SQL Server databases in production environments, ensuring optimal performance and reliability. • Perform regular performance tuning, indexing, and query optimization to enhance database efficiency. • Implement and manage backup, recovery, and high availability solutions, such as Always On, Failover Clustering, and log shipping. • Develop and automate SQL scripts and jobs using SQL Server Agent. • Monitor database security, permissions, and compliance with best practices. • Troubleshoot and resolve issues related to database performance, availability, and data integrity. • Collaborate with cross-functional teams to align database solutions with business needs. • Conduct regular audits and maintenance to ensure database health and integrity. • Provide technical support and guidance to team members on database-related issues. • Stay updated on industry trends and advancements in database technologies.
2026-10-01T00:00:00Z

Database Administrator

Bloomfield Hills, MI
onsite
Temporary to Hire
38 - 44 USD / Hourly
We are looking for a Database Administrator to join a team in Bloomfield Hills, Michigan in a contract-to-permanent capacity. This position is well suited for someone with solid database administration experience who can support day-to-day operations, review database practices, and assist engineers working across on-premises and Azure environments. The role focuses on maintaining reliable database performance, helping validate technical approaches, and contributing to data initiatives that connect into a broader data lake strategy. Responsibilities: • Manage and support database administration activities across Microsoft SQL Server, Azure SQL Database, and MySQL environments. • Review database configurations, scripts, and implementation approaches to help confirm alignment with sound operational standards and best practices. • Partner with data engineers by providing administrative support for both on-premises systems and cloud-based Azure database workloads. • Monitor database health, identify performance bottlenecks, and carry out tuning efforts to improve stability and efficiency. • Execute assigned work within Azure environments, including routine support tasks and updates provided by senior engineering team members. • Assist with database-related activities tied to data flows that contribute to enterprise data lake initiatives. • Troubleshoot database issues, investigate root causes, and recommend practical corrective actions to reduce recurring problems.
2026-09-30T00:00:00Z

Database Administrator

Wayne, PA
onsite
Temporary to Hire
51.4615 - 59.587 USD / Hourly
We are looking for a Database Administrator to join a contract opportunity with the potential to become permanent, based in Wayne, Pennsylvania. This position supports a mixed enterprise data environment that includes Oracle/Lawson, Snowflake, AWS-based data services, and Drupal/Acquia platforms. The role is ideal for someone who can balance core database administration with data integration, reporting support, and cloud platform optimization. You will play a key part in keeping business-critical data dependable, secure, and well-structured for operational and analytical use. Responsibilities: • Oversee the day-to-day administration of Oracle/Lawson databases, including performance monitoring, backup coordination, recovery planning, and platform maintenance. • Partner with technical teams to support database needs for application updates, system enhancements, and production issue resolution. • Administer and improve Snowflake environments by refining data models, tuning workloads, and supporting scalable reporting structures. • Build and maintain AWS-based data pipelines using services such as S3, Lambda, and Glue to move and transform enterprise data efficiently. • Create and support integration processes across multiple business systems, with a focus on data validation, transformation, reconciliation, and consistency. • Prepare and organize Drupal/Acquia data for reporting, analytics, and downstream consumption by dashboards or business intelligence tools. • Validate migrated and integrated data to ensure completeness, accuracy, and alignment with business rules. • Develop complex SQL solutions to support data extraction, transformation, and reporting requirements across legacy and cloud platforms. • Document data movement, integration logic, and governance practices to improve transparency, quality, and long-term supportability.
2026-10-15T00:00:00Z

Database Administrator

Mcallen, TX
onsite
Permanent / Full Time
65000 - 85000 USD / Yearly
We are looking for a Database Administrator to support and strengthen critical data environments for a financial services organization in McAllen, Texas. This role is responsible for maintaining reliable database operations across on-premises and cloud-based platforms while helping ensure performance, security, and recoverability. The ideal candidate brings hands-on experience with Microsoft SQL Server and related database technologies, along with a proactive approach to troubleshooting, optimization, and operational documentation. Responsibilities: • Oversee the setup, configuration, patching, and ongoing administration of Microsoft SQL Server and additional database technologies used across the organization. • Manage database environments hosted on local infrastructure, Microsoft Azure, and hybrid platforms to maintain stable and efficient operations. • Track system health, capacity, and availability metrics, and take corrective action to prevent disruptions or performance degradation. • Improve database and application responsiveness through performance analysis, tuning, and optimization of workloads and storage usage. • Create and maintain operational routines for backups, index upkeep, integrity validation, and other preventive maintenance activities. • Investigate database incidents, resolve service interruptions, and support recovery efforts during outages or degraded performance events. • Apply security controls by managing role-based access, privileged credentials, and database permissions in alignment with internal policies and regulatory expectations. • Develop, document, and test backup and restoration procedures, and support application deployments, upgrades, and data migration efforts in coordination with vendors and internal stakeholders. • Maintain accurate technical documentation, including procedures, diagrams, and runbooks, and participate in after-hours maintenance or incident response when needed.
2026-10-02T00:00:00Z

Database Administrator

Seattle, WA
remote
Temporary / Contract
75 - 80 USD / Hourly
Robert Half is seeking a Salesforce Administrator / CRM & Data Systems Analyst for a mission-driven organization dedicated to helping individuals and families access housing, financial assistance, and critical community resources. This is a highly visible role responsible for serving as the primary owner of the organization's Salesforce environment, ensuring data integrity, system reliability, security, and reporting accuracy. This position is ideal for a self-starter who enjoys working independently, solving business problems through technology, and partnering with non-technical stakeholders to improve processes and outcomes. Responsibilities<ul><li>Serve as the primary administrator and subject matter expert for Salesforce and related business systems.</li><li>Manage, organize, and maintain critical program, client, and organizational data across multiple platforms while ensuring data integrity, security, and confidentiality.</li><li>Develop, maintain, and optimize workflows, reporting processes, forms, integrations, and data management practices.</li><li>Support government grant reporting and funding requirements by ensuring accurate, accessible, and reliable data.</li><li>Create, analyze, and distribute reports and dashboards that provide meaningful insights into program outcomes and organizational performance.</li><li>Troubleshoot Salesforce and integrated applications, including issues related to forms, workflows, and system integrations.</li><li>Perform data backup, recovery, and ongoing system maintenance activities to ensure platform reliability and continuity.</li><li>Monitor overall system health and proactively identify opportunities for process improvements, enhancements, and efficiencies.</li><li>Provide end-user support and respond to staff inquiries related to reporting, data quality, system functionality, and Salesforce usage.</li><li>Partner with leadership and program teams to understand business processes, map data flows, and recommend solutions that improve operational effectiveness.</li><li>Support reporting environments and data integrations that leverage Tableau for analytics and reporting.</li><li>Serve as a trusted resource across the organization by delivering exceptional customer service and technical support to non-technical users.</li></ul>
2026-10-20T00:00:00Z

Network & Systems Administrator

Santa Cruz, CA
onsite
Temporary to Hire
47.5 - 55 USD / Hourly
We are looking for a skilled Network & Systems Administrator to support and strengthen a hybrid IT environment in California. This contract opportunity with potential for a permanent role is ideal for someone who combines strong systems administration expertise with hands-on network support and end-user troubleshooting. The role will focus on maintaining core infrastructure, improving platform reliability, and helping advance security-focused initiatives across the organization. Responsibilities: • Administer and support Windows-based server environments, ensuring stable performance, availability, and timely issue resolution. • Manage identity and access services through Active Directory and Entra, including user administration, permissions, and policy enforcement. • Provide support for endpoint management tools such as Intune to maintain device compliance, configuration, and deployment standards. • Oversee Microsoft 365 administration and assist with SharePoint organization, maintenance, and content cleanup efforts. • Troubleshoot and support core network components, helping maintain connectivity, performance, and dependable daily operations. • Deliver desktop and user support for Windows 10 environments, resolving hardware, software, and access-related issues. • Maintain and support infrastructure involving Dell technologies and Citrix platforms where needed across the environment. • Contribute to cybersecurity implementation efforts by assisting with compliance measures, security controls, and operational best practices.
2026-10-12T00:00:00Z

Senior Systems Administrator

Chantilly, VA
onsite
Temporary / Contract
64 - 83.7 USD / Hourly
Senior Systems AdministratorLocation: Chantilly, VA (3 days onsite)OverviewWe are seeking a Senior Systems Administrator with strong Microsoft cloud administration experience to manage and support our Azure and Microsoft 365 environment. This role is heavily focused on cloud technologies rather than traditional on-premises infrastructure and will be responsible for administering identity, email, security, and collaboration platforms.Responsibilities<ul><li>Administer and support Microsoft Azure and Entra ID environments.</li><li>Manage user accounts, permissions, Single Sign-On (SSO), and identity access governance.</li><li>Serve as the primary administrator for Microsoft 365 and the O365 Admin Center.</li><li>Manage Exchange Online, including mailbox administration, mail flow rules, and domain allow/block lists.</li><li>Administer Microsoft Defender security tools and respond to security-related requests.</li><li>Support and optimize cloud-based systems, policies, and processes.</li><li>Assist with SharePoint and Intune administration as needed.</li><li>Work with networking and security teams to manage firewall policies and access rules (not at a dedicated Network Engineer level).</li><li>Participate in occasional travel to support business and IT initiatives.</li></ul>Required Qualifications<ul><li>Strong hands-on experience administering Azure and Entra ID.</li><li>Experience managing Microsoft 365 environments beyond basic user provisioning and deprovisioning.</li><li>Exchange Online administration experience, including transport rules and domain management.</li><li>Experience with Microsoft Defender.</li><li>Solid understanding of cloud-first infrastructure and administration.</li></ul>Preferred Qualifications<ul><li>Experience with SharePoint Online.</li><li>Experience with Microsoft Intune.</li><li>Familiarity with firewall administration and network security policies.</li><li>Knowledge of CMMC compliance requirements and best practices.</li></ul>Target Profile: A senior-level Microsoft cloud administrator who can independently manage Azure, Entra ID, Microsoft 365, Exchange Online, and Defender in a cloud-centric environment.
2026-10-13T00:00:00Z

Senior Systems Administrator

Birmingham, AL
onsite
Permanent / Full Time
100000 - 130000 USD / Yearly
We are looking for an experienced Senior Systems Administrator to oversee and strengthen enterprise infrastructure operations in Birmingham, Alabama. This position supports a multi-site environment and plays a key role in maintaining reliable server, virtualization, cloud, and identity platforms for the organization. The ideal candidate brings deep technical expertise, a practical approach to problem-solving, and a strong commitment to system stability, security, and continuous improvement. Responsibilities: • Oversee daily administration of server environments across on-premises, virtual, and cloud platforms that support users at multiple locations. • Maintain and optimize core infrastructure technologies, including Windows Server, VMware, Hyper-V, and Microsoft 365 services. • Manage identity and access functions through Active Directory, Group Policy, and related account administration processes. • Track system health, install updates, resolve infrastructure issues, and take corrective action to minimize downtime. • Direct backup, recovery, storage, and disaster recovery activities to protect business-critical systems and data. • Apply security controls, address vulnerabilities, and enforce appropriate access standards across the server environment. • Support server hardware and data center equipment to ensure dependable performance and availability. • Provide secondary infrastructure assistance for networking components such as switches, VLANs, and site connectivity. • Contribute to technical projects by creating documentation, improving operational procedures, and developing PowerShell-based automation where appropriate.
2026-10-13T00:00:00Z

Security Database Administrator

Ogden, UT
onsite
Permanent / Full Time
120000 - 150000 USD / Yearly
Security-focused Database Administrator responsible for protecting enterprise Oracle and IBM DB2 environments. This role owns database hardening, least-privilege access control, activity monitoring, and audit/compliance readiness across on-premises and cloud platforms. The ideal candidate blends deep DBA fundamentals with a security-first mindset and hands-on experience with database security tooling.Key Responsibilities<ul><li>Administer and secure production and non-production Oracle and IBM DB2 databases, with security controls as a primary responsibility rather than an afterthought.</li><li>Manage Oracle Data Safe end to end: security assessments, user risk assessments, sensitive data discovery, data masking, activity auditing, and SQL Firewall policy management.</li><li>Design, implement, and maintain row-based access controls — Oracle Virtual Private Database (VPD), Oracle Label Security, and Real Application Security; DB2 Row and Column Access Control (RCAC) and Label-Based Access Control (LBAC).</li><li>Own user maintenance and access governance: account provisioning and deprovisioning, roles, privileges, grants/revokes, profiles, and password/authentication policies.</li><li>Conduct periodic access reviews and recertification; enforce separation of duties and least-privilege principles.</li><li>Deploy, configure, tune, and monitor Imperva (Database Activity Monitoring / Data Security Fabric / database firewall): policies, alerting, blocking rules, and audit reporting.</li></ul>
2026-10-14T00:00:00Z

SQL Database Administrator

Mequon, WI
onsite
Permanent / Full Time
110000 - 140000 USD / Yearly
Robert Half is currently looking for a SQL DBA to support and optimize a highly available hosted infrastructure environment for our client in the Milwaukee area. This person will be responsible for the administration, performance, security, and reliability of Microsoft SQL Server platforms that support both internal business systems and customer-facing applications. This is a hands-on role for someone who enjoys troubleshooting, automation, performance tuning, and ensuring critical database environments remain stable and secure. This position is open to remote employees located within Wisconsin. Candidates outside of Wisconsin are not eligible for remote consideration. What You'll Be Doing<ul><li>Administer SQL Server environments across production, development, and test systems</li><li>Install, configure, upgrade, and maintain SQL Server instances</li><li>Monitor database performance and proactively identify opportunities for optimization</li><li>Perform routine maintenance including indexing, integrity checks, and capacity planning</li><li>Design and maintain backup, recovery, and disaster recovery processes</li><li>Support high-availability and business continuity initiatives</li><li>Manage database security, permissions, and access controls</li><li>Troubleshoot database, application, and infrastructure-related issues</li><li>Develop automation and operational efficiencies using PowerShell, T-SQL, or similar scripting tools</li><li>Partner with infrastructure and application teams to support business-critical systems</li><li>Create and maintain technical documentation, standards, and operational procedures</li><li>Participate in an on-call rotation supporting production environments</li></ul>
2026-10-20T00:00:00Z

Network Security Administrator

Boca Raton, FL
onsite
Temporary / Contract
40 - 45 USD / Hourly
We are seeking a hands-on IT Infrastructure and Security Administrator to support and secure the organization’s IT environment. This role will be responsible for network administration, cybersecurity, Microsoft 365 security, hosted server support, and the secure adoption of AI tools such as Claude, ChatGPT, and Microsoft Copilot. The ideal candidate will have strong experience in infrastructure and security, the ability to work independently, and a practical understanding of AI-related business risks. This person will also collaborate with a small IT team, recommend improvements to leadership, and provide occasional end-user support when needed. Key Responsibilities<ul><li>Administer and troubleshoot network infrastructure, including Ubiquiti equipment</li><li>Strengthen security across networks, endpoints, hosted servers, and Microsoft 365</li><li>Assess risks and support secure use of Claude, ChatGPT, and Microsoft Copilot</li><li>Maintain two remotely hosted servers and related applications</li><li>Recommend infrastructure and security improvements</li><li>Support future cloud transitions and hosted application migrations</li><li>Partner with IT support staff to resolve technical issues</li><li>Provide occasional hands-on support for end-user equipment</li><li>Document configurations, procedures, and changes</li></ul>
2026-10-13T00:00:00Z

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156 results for System Administrator in Usa