773 Results for Systems Administrator Jobs in Html

Add your latest resume to match with open positions.

Systems Administrator

Nashville, TN
remote
Temporary / Contract
35.00 - 40.00 USD / Hourly
Robert Half is currently seeking a Contract Systems Administrator to join our client's IT department. As a Contract Systems Administrator, you will be responsible for the configuration, maintenance, and management of the organization's computer systems, servers, and network infrastructure. This is a contract position that offers an exciting opportunity to work with a reputable company. Key Responsibilities:<ol><li>System Maintenance: Perform routine system maintenance, including software updates, patch management, and regular system backups to ensure system stability and security.</li><li>Server Administration: Manage and maintain server hardware and software, including Windows Server, Linux, or other relevant operating systems.</li><li>Network Management: Oversee network infrastructure, ensuring optimal performance, security, and reliability. This may include switches, routers, firewalls, and wireless access points.</li><li>Security Monitoring: Implement and monitor security protocols to safeguard systems and data, detect and respond to security breaches, and conduct regular security audits.</li><li>User Support: Provide technical support to end-users, assisting with system-related issues, troubleshooting, and offering guidance on best practices.</li><li>Documentation: Maintain detailed records of system configurations, changes, and updates to facilitate system troubleshooting and auditing.</li><li>Capacity Planning: Assess system performance and capacity, making recommendations for upgrades or enhancements to meet organizational needs.</li><li>Backup and Disaster Recovery: Develop and implement backup and disaster recovery plans to ensure data integrity and continuity of operations.</li><li>Vendor Collaboration: Collaborate with technology vendors to ensure timely procurement of hardware and software, and manage vendor relationships.</li></ol>
2026-10-14T16:53:42Z

Systems Administrator

Jacksonville, FL
onsite
Temporary / Contract
- USD / Hourly
We are seeking a Systems Administrator to support and maintain enterprise Windows server environments, Active Directory, Microsoft 365, virtualization platforms, and core IT infrastructure. This role is responsible for system reliability, security, patch management, and user support.Responsibilities<ul><li>Administer Windows Servers and Active Directory.</li><li>Manage Microsoft 365, Exchange Online, and Entra ID.</li><li>Support VMware or Hyper-V environments.</li><li>Perform system upgrades, patching, and maintenance.</li><li>Monitor infrastructure performance and availability.</li><li>Troubleshoot server, storage, and application issues.</li><li>Maintain backups and disaster recovery processes.</li><li>Document systems and operational procedures.</li></ul>
2026-10-09T10:48:45Z

Systems Administrator

Milwaukee, WI
onsite
Permanent / Full Time
70000.00 - 80000.00 USD / Yearly
Robert Half is partnering with a well-established technology organization in the Milwaukee area to help them hire an experienced Systems Administrator. This role is responsible for maintaining server, virtualization, identity, database, and application-hosting technologies while helping ensure systems remain secure, reliable, and available for both internal teams and external customers. This is a hands-on position for someone who enjoys troubleshooting, automation, infrastructure improvement, and working across a broad range of technologies. What You'll Be Doing<ul><li>Administer and support Windows Server environments across production and non-production systems</li><li>Manage Active Directory, Group Policy, user access, and identity-related services</li><li>Support Microsoft SQL Server environments, including maintenance, backups, and recovery processes</li><li>Configure and maintain virtualization platforms such as VMware, Citrix, and Remote Desktop Services</li><li>Support web and application hosting technologies including IIS, Tomcat, and related services</li><li>Monitor system performance, availability, and security while proactively addressing issues</li><li>Develop and maintain automation and scripting solutions using PowerShell and other tools</li><li>Troubleshoot infrastructure, application, and network-related problems</li><li>Create and maintain technical documentation, procedures, and system configurations</li><li>Participate in an on-call rotation and assist with incident response when needed</li></ul>
2026-10-20T13:48:43Z

Senior Systems Administrator

Chantilly, VA
remote
Temporary to Hire
64.00 - 83.70 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.
2026-10-13T15:33:43Z

Systems Administrator

Dania Beach, FL
remote
Temporary / Contract
35.00 - 40.00 USD / Hourly
We are seeking an experienced Systems Administrator to support and troubleshoot production infrastructure in a hands-on environment. This role requires strong technical depth across virtualization, backup and disaster recovery, Windows Server, and core cloud, security, and networking technologies.Key Responsibilities<ul><li>Administer and troubleshoot Hyper-V</li><li>Support VMware ESXi environments</li><li>Manage Veeam backups, restores, and disaster recovery processes</li><li>Perform hands-on Windows Server administration</li><li>Support infrastructure across cloud, security, and networking</li><li>Troubleshoot production issues, outages, and performance problems</li><li>Assist with infrastructure upgrades, migrations, and improvements</li></ul>
2026-10-13T16:23:39Z

Systems Administrator

Oklahoma City, OK
onsite
Permanent / Full Time
120000.00 - 170000.00 USD / Yearly
An Oklahoma-based company is seeking an experienced Salesforce Administrator to configure, support, maintain, and optimize its Salesforce environment. This role will be responsible for ensuring the platform effectively supports business processes, user needs, reporting requirements, and overall system performance. The ideal candidate will bring strong hands-on Salesforce administration experience, along with prior experience in a financial services environment. Responsibilities-<ul><li>Configure, administer, and maintain the Salesforce platform to support business operations</li><li>Optimize the Salesforce environment for usability, scalability, and performance</li><li>Manage user setup, profiles, roles, permissions, workflows, validation rules, dashboards, and reports</li><li>Support end users by troubleshooting issues, resolving system challenges, and providing ongoing guidance</li><li>Partner with stakeholders to gather business requirements and translate them into effective Salesforce solutions</li><li>Identify opportunities for process improvement, automation, and system enhancement</li><li>Maintain data integrity through regular audits, cleanup, and governance best practices</li><li>Support integrations, system updates, testing, and deployment activities</li><li>Create and maintain documentation related to system configuration, processes, and user training</li><li>Serve as a key resource for Salesforce best practices and platform optimization</li></ul>
2026-10-01T20:25:30Z

Systems Administrator

Park City, UT
remote
Temporary / Contract
35.63 - 41.25 USD / Hourly
We are looking for a Systems Administrator to join a contract engagement based in Park City, Utah. This role is suited for an experienced Windows infrastructure specialist who can evaluate legacy server environments, uncover operational dependencies, and provide clear recommendations for next steps. The assignment will focus on assessing existing systems, documenting their business purpose, and helping stakeholders decide whether platforms should remain in place, be moved, or be retired. Responsibilities: • Conduct a detailed review of legacy Windows servers to determine their current role, usage, and operational status across the environment. • Investigate hosted applications, background services, and system dependencies to build an accurate picture of each server's function. • Partner with technical and business stakeholders to confirm which business processes rely on identified infrastructure. • Document findings from discovery activities and translate technical details into practical recommendations for retention, migration, or decommissioning. • Analyze Active Directory and Windows domain relationships to identify connectivity, access, and dependency considerations. • Assess server configurations and supporting components, including Microsoft Azure, Kaseya, and SQL Server-related environments where applicable. • Create clear inventories, assessment summaries, and risk notes to support future infrastructure modernization planning. • Provide informed guidance on remediation priorities and next-step actions based on the condition and relevance of legacy systems.
2026-10-19T16:24:06Z

Systems Administrator

Fort Lauderdale, FL
onsite
Permanent / Full Time
80000.00 - 85000.00 USD / Yearly
We are looking for a Systems Administrator to support daily technology operations at our Fort Lauderdale, Florida facility. This role is responsible for maintaining reliable infrastructure, assisting employees with technical issues, and helping ensure secure, efficient use of business systems. The ideal candidate brings strong hands-on experience with server administration, endpoint support, and networked environments, along with a service-oriented approach to user support. Responsibilities: • Manage day-to-day IT support activities, responding to user issues and restoring service across hardware, software, and networked systems. • Coordinate employee onboarding and offboarding by preparing equipment, provisioning applications, assigning access, and guiding users through required tools. • Maintain and support business applications, helping keep systems stable, functional, and aligned with operational needs. • Administer core infrastructure including virtual environments, directory services, policy controls, data backups, and endpoint protection platforms. • Monitor system performance and availability to help protect uptime, preserve data accuracy, and support disaster recovery preparedness. • Oversee intranet administration and enhancements to improve usability and ongoing functionality. • Perform access reviews, support segregation-of-duties controls, and prepare documentation needed for audits and compliance activities. • Investigate technical problems, support upgrade efforts, and contribute to automation initiatives that improve operational efficiency. • Manage IT assets and vendor relationships while keeping architecture records, change logs, and support documentation current. • Work with information security stakeholders to address vulnerabilities, respond to incidents, and enforce secure handling of sensitive data.
2026-10-21T12:58:47Z

Senior Systems Administrator

Birmingham, AL
onsite
Permanent / Full Time
100000.00 - 130000.00 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.
2026-10-13T12:24:05Z

Systems Administrator

Santa Cruz, CA
onsite
Temporary / Contract
47.50 - 55.00 USD / Hourly
We are looking for an experienced Desktop Support to provide hands-on technical support in Santa Cruz, California. This Contract position focuses on endpoint administration, user support, and systems management across a primarily onsite environment. The ideal candidate will bring strong expertise in Microsoft and Apple device support, directory services, and enterprise infrastructure tools while ensuring reliable day-to-day operations. Responsibilities:• Deliver onsite support for Windows and Mac devices, including setup, troubleshooting, and ongoing administrative assistance.• Manage device enrollment and policy application through Intune to maintain secure and consistent endpoint configurations.• Administer Active Directory and Windows Server environments, supporting user accounts, access controls, and system stability.• Assist with domain alignment activities, including UPN updates and device or user enrollment into the appropriate environment when required.• Support Microsoft Windows 10 endpoints by resolving operating system, configuration, and performance issues.• Maintain and troubleshoot Dell hardware used across the organization, coordinating repairs or replacements as needed.• Provide support for Citrix-based access and desktop solutions to help users remain productive.• Collaborate with local staff and technical teams to resolve infrastructure and endpoint issues for an environment serving approximately 225 users.
2026-10-12T19:28:45Z

Systems Administrator

Dania Beach, FL
onsite
Temporary to Hire
40.00 - 48.00 USD / Hourly
We are looking for a Systems Administrator to join an IT team in Dania Beach, Florida in a contract-to-permanent capacity. This role is ideal for a hands-on infrastructure specialist who can strengthen day-to-day operations across server administration, virtualization, backup, and recovery. The position focuses heavily on Hyper-V while also supporting VMware ESXi, Veeam, Windows Server, and core cloud, security, and networking functions. Responsibilities: • Administer and support virtual server environments with a strong emphasis on Hyper-V, ensuring reliable performance and timely issue resolution. • Maintain and troubleshoot VMware ESXi infrastructure as part of a mixed virtualization environment. • Manage backup, restore, and recovery processes using Veeam to protect business-critical systems and data. • Oversee Windows Server administration, including system maintenance, patching, performance monitoring, and operational support. • Contribute to disaster recovery readiness by validating recovery procedures and responding to infrastructure incidents when needed. • Support core cloud, security, and networking operations to help maintain a stable and secure production environment. • Investigate outages and infrastructure problems, identify root causes, and implement corrective actions to improve reliability. • Lead or contribute to infrastructure improvements, migrations, and operational projects while documenting work performed and outcomes achieved.
2026-09-25T14:28:46Z

Systems Administrator

Macedonia, OH
onsite
Temporary / Contract
- USD / Hourly
We are looking for a Systems Administrator for a contract-to-hire opportunity in Macedonia, Ohio. This position blends hands-on technical support with entry-level Salesforce administration, making it ideal for someone who enjoys solving user issues while expanding their platform expertise. The role offers a hybrid work arrangement and the chance to build experience across both day-to-day support operations and business system administration. Responsibilities:• Deliver first- and second-level technical support for employees experiencing hardware, software, and access-related problems.• Investigate and address Salesforce user issues, escalating more complex matters when needed to keep systems running effectively.• Build and update reports and dashboards within Salesforce to help teams access meaningful business information.• Manage user accounts, permissions, and basic platform settings to support secure and efficient system use.• Assist with onboarding activities by preparing accounts, configuring access, and resolving setup-related questions for new team members.• Work closely with internal technology teams and Salesforce specialists to support system improvements and ongoing service needs.• Track support requests through resolution while maintaining clear communication with end users throughout the process.
2026-10-09T19:34:07Z

Systems Administrator - PERM FTE ONSITE!

Des Moines, IA
onsite
Permanent / Full Time
90000.00 - 105000.00 USD / Yearly
Position: Systems Administrator - Direct Hire Permanent w/ Immediate BenefitsLocation: Des Moines, IA – ONSITE IN OFFICE**IMMEDIATE INTERVIEW**Salary: up to $105,000 base annual salary with benefitsSystems Server Administration: Windows and MAC support, Active Directory, Cloud, Applications, & Software Support. *** For immediate and confidential consideration on this Systems Administrator position, please send a message to CARRIE DANGER on LinkedIn or send an email to me with your resume. My email can be found on my LinkedIn page. *** Are you a technology expert versed in setting up and maintaining server hardware and software, services, Networking: Routers, Switches, firewalls – Cisco or Fortinet, reviewing system compatibility, and supporting enterprise infrastructure? Our client would interview you immediately! Systems Administration, you will maintain servers, configure monitoring systems and provide technical support. Security experience is highly Preferred! You'll also get to collaborate with a dynamic team that values your expertise. Strong communication skills to the business! Ability to work in a fast-paced work environment.What Technical Skills You Will Need: · Server management, system documentation, and staying up-to-date with technology· Managing servers in a Hybrid environment.· Windows AND MAC support experience· Active Directory support· MSP experience is a PLUS! But this company is NOT an MSP - Managed Service Provider.· Maintaining virtual environments and LAN/WAN connectivity· Application Support & connectivity to the network with different applications.· Utilize virtualization tools such as VMware and Hyper-V· Cloud experience – Azure, AWS, or GCP for system operations.· Implement Veeam or similar technologies for efficient backup and recovery procedures· Ensure network security through the management of protocols, firewalls, and adherence to best security practices· Networking Routers & Switches, & Firewalls. security appliances· Utilize scripting languages like Python, Bash, or PowerShell for automation purposes· Networking is a Plus. Manage and transition from Fortinet to Cisco technologies as part of system operations· Monitor customer accounts and take necessary action** For immediate and confidential consideration on this Systems Administrator, please send a message to CARRIE DANGER on LinkedIn or send an email to me with your resume. My email can be found on my LinkedIn page. Also, you may contact me by office: 515-259-6087 or mobile: 515-991-0863. Or one click apply on our Robert Half website. No third party inquiries please. Our client cannot provide sponsorship and cannot hire C2C, no H1B. ONLY EAD, Green Card, or US Citizen
2026-10-16T13:43:45Z

Systems Administrator

Greenville, SC
onsite
Temporary to Hire
32.00 - 38.00 USD / Hourly
We are looking for a Systems Administrator to join a manufacturing client in Greenville, South Carolina in a contract-to-hire capacity. This fully onsite position will strengthen internal IT operations while improving the reliability of end-user and infrastructure support. The role combines hands-on technical administration with daily user assistance, making it ideal for someone who is comfortable managing both systems and support responsibilities in a fast-paced environment. Responsibilities:• Provide day-to-day technical support for employees across a manufacturing site, resolving hardware, software, and access-related issues in a timely manner.• Administer Windows-based systems and user environments, including account management, device configuration, and operating system support.• Manage Microsoft 365, Azure, and Entra ID administration to maintain secure access, identity controls, and productivity services.• Configure and maintain Group Policy settings, security permissions, and endpoint policies to support organizational standards.• Prepare, deploy, and refresh user devices through imaging and Intune-based device management processes.• Support local network hardware and infrastructure, helping ensure stable connectivity and dependable on-premises operations.• Partner with internal IT staff to expand in-house technical capabilities and strengthen support coverage for the facility.• Contribute to infrastructure improvement efforts, including initiatives related to moving on-premises environments into Azure cloud services.• Assist with SharePoint and related collaboration tools when needed as part of broader systems support activities.
2026-10-22T20:28:44Z

Systems Administrator

Greater Cleveland, OH
onsite
Permanent / Full Time
85000.00 - 100000.00 USD / Yearly
We are looking for a Systems Administrator to support and improve core business systems for a machinery manufacturing environment in Greater Cleveland, Ohio. This role focuses on maintaining reliable system performance, managing user access, and helping teams use technology effectively across daily operations. The ideal candidate brings strong troubleshooting skills, works well with cross-functional partners, and can turn business needs into practical system solutions and automation opportunities. Responsibilities:• Manage administration of business systems and databases, identifying root causes of technical issues across connected platforms and resolving them efficiently.• Evaluate requests for system changes or customizations by gathering input from stakeholders, reviewing downstream effects, and recommending solutions that align with technology standards.• Partner with internal teams and IT colleagues to support shared initiatives, contribute to project work, and ensure timely completion of assigned tasks.• Perform data reviews and audits when needed to confirm accuracy, compliance, and proper system usage.• Work across departments to promote effective use of applications, provide guidance on processes, and incorporate feedback into system improvements.• Complete data extraction, transformation, and loading activities to support reporting, process updates, and system maintenance needs.• Develop automated workflows, dashboards, reports, and KPI tracking tools that improve efficiency and support business decision-making.• Coordinate with external vendors and service partners on technical initiatives, issue resolution, and system-related projects.• Support and maintain technologies including Microsoft environments, ERP systems and advanced Excel-based solutions.
2026-10-01T14:23:45Z

Systems Administrator

Atlanta, GA
remote
Temporary / Contract
38.00 - 46.00 USD / Hourly
The Systems Administrator is responsible for maintaining, securing, and supporting the organization's server, cloud, identity, virtualization, and enterprise infrastructure. This role will work across Microsoft and cloud environments to ensure systems remain available, secure, scalable, and properly automated.The ideal candidate combines traditional Windows/Linux systems administration with modern cloud, identity, automation, and infrastructure-as-code skills.Key Responsibilities<ul><li>Administer Windows Server and/or Linux environments.</li><li>Manage Active Directory, Group Policy, DNS, DHCP, and enterprise identity services.</li><li>Administer Microsoft Entra ID and Microsoft 365 environments.</li><li>Manage virtual infrastructure using VMware or Hyper-V.</li><li>Support Azure and/or AWS cloud infrastructure.</li><li>Monitor server health, system performance, capacity, and availability.</li><li>Manage patching, backups, disaster recovery, and system maintenance.</li><li>Automate administrative tasks using PowerShell, Python, or Bash.</li><li>Manage servers, endpoints, permissions, certificates, and service accounts.</li><li>Troubleshoot infrastructure, application, storage, and network-related issues.</li><li>Implement security hardening and vulnerability remediation.</li><li>Maintain technical documentation, diagrams, procedures, and runbooks.</li><li>Participate in infrastructure upgrades, migrations, and cloud modernization initiatives.</li></ul>
2026-10-05T14:18:46Z

Systems Administrator

Los Angeles, CA
onsite
Permanent / Full Time
125000.00 - 145000.00 USD / Yearly
Systems Administrator OverviewA growing organization is seeking a Systems Administrator to support enterprise cloud platforms, end-user technologies, identity management, and core infrastructure services. This individual will play a key role in maintaining secure, scalable, and reliable technology operations while supporting ongoing modernization and automation initiatives. The ideal candidate combines strong systems administration experience with a proactive approach to process improvement, platform management, and end-user support. Responsibilities<ul><li>Administer and support enterprise productivity, collaboration, and cloud platforms</li><li>Manage identity, access, authentication, and user lifecycle processes</li><li>Support endpoint management, device administration, and security initiatives</li><li>Maintain backup, recovery, and business continuity processes</li><li>Assist with integration and administration of enterprise applications and SaaS platforms</li><li>Develop and maintain automation solutions to improve operational efficiency</li><li>Monitor platform health, system performance, and operational reliability</li><li>Troubleshoot and resolve complex infrastructure and application issues</li><li>Maintain technical documentation, standards, and operational procedures</li><li>Partner with internal stakeholders to support technology initiatives and business operations</li></ul>
2026-10-21T22:48:45Z

Systems Administrator

Chattanooga, TN
remote
Temporary / Contract
30.00 - 34.00 USD / Hourly
Robert Half is seeking an experienced Systems Administrator Lead for an exciting opportunity with our client. This position serves as a senior technical resource within the IT organization, providing advanced systems, infrastructure, virtualization, cloud, database, and security expertise. The Systems Administrator Lead will act as a key escalation point for complex technical issues and take the technical lead on infrastructure projects requiring specialized knowledge. Key Responsibilities<ul><li>Serve as a senior technical escalation point and provide technical guidance and mentorship to IT staff during complex projects, system outages, and troubleshooting efforts.</li><li>Act as a subject matter expert for enterprise systems, servers, virtualization, storage, and infrastructure.</li><li>Manage the installation, configuration, maintenance, and upgrades of servers, virtual environments, operating systems, and related infrastructure.</li><li>Administer and support enterprise virtualization platforms such as VMware, Hyper-V, or equivalent technologies.</li><li>Troubleshoot complex hardware and software issues, perform diagnostics, document resolutions, and prioritize incidents based on business impact.</li><li>Support infrastructure planning and provide technical specifications and documentation for new or upgraded IT infrastructure.</li><li>Manage and coordinate backup, disaster recovery, data protection, failover, capacity planning, and storage initiatives.</li><li>Provide administration and support for Google Workspace and Google Cloud Identity, including organizational units, access controls, identity governance, and SSO integrations.</li><li>Manage and monitor Google Cloud Platform (GCP) resources, including IAM permissions, resource allocation, project governance, and cost optimization.</li><li>Develop and maintain infrastructure-as-code and configuration management processes to automate cloud provisioning and deployment.</li><li>Perform regular audits of Google Drive external sharing policies and Data Loss Prevention (DLP) controls.</li><li>Collaborate with security teams on vulnerability remediation, system patching, container and virtual machine security, and infrastructure hardening.</li><li>Perform database administration and provide application support as needed.</li><li>Develop and maintain architectural diagrams, technical documentation, runbooks, and standard operating procedures.</li><li>Provide end-user and IT staff support for operating systems, software, infrastructure, and related technical issues.</li><li>Participate in evaluating new hardware and software and assist with technical specifications and vendor bid evaluations.</li><li>Manage multiple concurrent projects and priorities in a fast-paced environment.</li></ul>
2026-10-08T20:28:43Z

Linux Systems Administrator

Milwaukee, WI
onsite
Permanent / Full Time
110000.00 - 140000.00 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>
2026-10-20T04:39:49Z

Systems Administrator

Santa Monica, CA
onsite
Permanent / Full Time
110000.00 - 140000.00 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>
2026-09-23T16:23:51Z

Systems Administrator

Phoenix, AZ
remote
Temporary to Hire
- USD / Hourly
We are hiring a Systems Administrator to provide day-to-day support for core infrastructure systems. This individual will be responsible for maintaining server environments, troubleshooting technical issues, and supporting end-user technology operations.Responsibilities<ul><li>Administer Windows Server, Active Directory, and Microsoft 365 environments.</li><li>Maintain user accounts, permissions, and security groups.</li><li>Perform system monitoring, maintenance, and patch management.</li><li>Troubleshoot server, application, and infrastructure issues.</li><li>Support backup, recovery, and endpoint management solutions.</li><li>Assist with network troubleshooting and connectivity issues.</li><li>Document support procedures and system configurations.</li><li>Provide Tier II/III technical support when necessary.</li></ul>
2026-10-16T21:33:46Z

Systems Administrator

South Burlington, VT
onsite
Permanent / Full Time
80000.00 - 120000.00 USD / Yearly
We are seeking a Senior Systems Administrator to play a key role in maintaining, securing, and optimizing our client's enterprise infrastructure. The ideal candidate is a hands-on technical professional who enjoys solving complex infrastructure challenges, improving automation, and helping drive modernization across cloud and on-premises systems. Responsibilities<ul><li>Administer and support Microsoft 365 services including Exchange Online, Entra ID (Azure AD), Teams, SharePoint Online, and OneDrive.</li><li>Manage endpoint deployment, configuration, compliance, and lifecycle management using Microsoft Intune and MDM solutions.</li><li>Maintain and troubleshoot Windows Server infrastructure, Active Directory, Group Policy, DNS, DHCP, and file services.</li><li>Support and administer Linux servers for application hosting, monitoring, and system maintenance.</li><li>Implement and maintain security controls across the environment, including MFA, Conditional Access, endpoint protection, vulnerability remediation, and identity governance.</li><li>Monitor infrastructure performance, availability, and security utilizing enterprise monitoring and logging tools.</li><li>Participate in security audits, risk assessments, incident response, and remediation efforts.</li><li>Manage user provisioning, access control, and role-based security policies.</li><li>Assist with backup, disaster recovery, and business continuity planning.</li><li>Develop and maintain system documentation, procedures, and technical standards.</li><li>Support infrastructure projects including migrations, upgrades, cloud adoption initiatives, and automation efforts.</li><li>Collaborate with vendors, business stakeholders, and internal IT teams to resolve issues and implement new technologies.</li></ul>
2026-09-24T20:48:42Z

Systems Administrator

Sugar Land, TX
onsite
Permanent / Full Time
120000.00 - 140000.00 USD / Yearly
We are seeking a Systems Administrator with experience managing enterprise infrastructure and leading cloud migration initiatives. This role will support on-premises and cloud environments while helping drive modernization efforts across the organization.Responsibilities<ul><li>Administer Windows Server, Active Directory, Citrix, Exchange 2019, Exchange Online, file servers, and remote access solutions.</li><li>Support and maintain hybrid cloud environments.</li><li>Lead infrastructure and cloud migration projects from planning through implementation.</li><li>Develop and maintain disaster recovery and business continuity processes.</li><li>Perform system upgrades, patching, maintenance, and security remediation.</li><li>Monitor system performance, availability, and compliance.</li><li>Coordinate with vendors and internal IT teams to deliver infrastructure projects.</li><li>Provide occasional on-call support.</li></ul>
2026-10-05T23:13:44Z

Systems Administrator

Franklin, TN
onsite
Permanent / Full Time
65000.00 - 80000.00 USD / Yearly
We are seeking a hands-on Systems Administrator to support a growing technology environment spanning cloud-based applications, networking, end-user support, physical infrastructure, telecommunications, and vendor-managed systems.This position is ideal for someone who enjoys variety and is comfortable troubleshooting both technical systems and physical equipment. The organization is looking for someone they can invest in and develop long term, so candidates do not need to have experience with every technology listed below. What You’ll Be Doing:<ul><li>Administer and support Azure, Entra, VMs, SSO, and certificates</li><li>Troubleshoot systems, applications, networking, hardware, and mobile devices</li><li>Support cloud/SaaS platforms such as NetSuite, Zoho, Asana, Dropbox, and Zendesk</li><li>Manage user access and resolve day-to-day support tickets</li><li>Support Microsoft Teams, Zoom, cameras, conference room technology, and Apple TV</li><li>Assist with networking and connectivity, including Starlink and fiber</li><li>Work with external technology vendors and manage vendor relationships</li><li>Support telecom equipment and other physical technology</li><li>Assist with equipment procurement and deployment</li><li>Work across both cloud systems and hands-on IT infrastructure</li></ul>
2026-09-24T18:53:45Z

Systems Administrator

O Fallon, MO
onsite
Permanent / Full Time
70000.00 - 85000.00 USD / Yearly
We're partnering with a growing organization seeking a Systems Administrator to join their close-knit IT team. This is a great opportunity for someone with a solid foundation in Microsoft technologies who enjoys hands-on infrastructure work and wants to continue growing their skills.You'll work alongside experienced IT professionals supporting a Microsoft-focused environment while gaining exposure to new technologies, infrastructure projects, and emerging Microsoft AI solutions. This is an onsite role that does require 1 Saturday a month virtual for pushing updates What You'll Be Doing<ul><li>Administer and support Microsoft 365 and Exchange Online</li><li>Maintain and troubleshoot Windows Server environments</li><li>Manage Active Directory and Entra ID user accounts, groups, and permissions</li><li>Assist with onboarding, offboarding, and access management</li><li>Monitor system health, performance, and availability</li><li>Perform server patching, upgrades, and routine maintenance</li><li>Support backup and recovery processes</li><li>Troubleshoot infrastructure and end-user issues</li><li>Assist with administration of the company's 3CX VoIP environment</li><li>Participate in infrastructure improvements and technology implementations</li><li>Explore and evaluate new Microsoft technologies, including AI-related initiatives</li></ul>
2026-10-14T17:38:45Z

773 results for Systems Administrator in Html