81 results for Network Systems jobs

Network Administrator

Fort Lauderdale, FL
onsite
Temporary
35 - 42 USD / Hourly
We are seeking a motivated and detail-oriented Network Administrator to support and grow our network infrastructure. This role will assist in maintaining network reliability, security, and performance across a variety of technologies including firewalls, VPNs, wireless systems, and wired infrastructure. <ul><li>Configure, maintain, and troubleshoot network hardware including routers, switches, access points, and firewalls.</li><li>Administer and support firewall platforms including Palo Alto Networks and Cisco, including VPN support.</li><li>Monitor and manage VPN tunnels, remote access, and site-to-site connections.</li><li>Participate in the deployment, monitoring, and optimization of wired and wireless network infrastructure.</li><li>Collaborate cross-functionally with Deskside Support, Server Administration, and Information Security teams to ensure smooth IT operations.</li><li>Assist with maintaining compliance with security and regulatory standards (e.g., SOX, HIPAA, PCI, etc.).</li><li>Ensure proper documentation of network configurations, changes, incident reports, and asset inventories.</li><li>Provide Tier 2 support for network-related issues and escalate as needed.</li><li>Participate in IT change management processes.</li><li>Follow ITIL best practices in service management (incident, problem, and change management).</li></ul>
2026-03-09T00:00:00Z

Network Administrator

Fort Lauderdale, FL
onsite
Temporary
0 - 0 USD / Yearly
Network AdministratorWe are seeking a knowledgeable Network Administrator to support and maintain our network infrastructure across multiple locations. This role is ideal for someone who enjoys working with routers, switches, firewalls, and wireless technologies while ensuring reliable connectivity for all users. The ideal candidate will have strong problem-solving skills, attention to detail, and a solid understanding of networking fundamentals.Responsibilities<ul><li>Configure, monitor, and troubleshoot switches, routers, firewalls, and wireless access points</li><li>Support LAN/WAN environments including VLANs, VPNs, DHCP, DNS, and routing/switching</li><li>Monitor network performance, bandwidth usage, and system alerts</li><li>Assist with network upgrades, equipment refreshes, and site deployments</li><li>Maintain accurate network documentation including diagrams, IP schemas, and configurations</li><li>Troubleshoot network connectivity issues across wired and wireless environments</li><li>Manage firewall policies, VPN tunnels, ACLs, and network segmentation</li><li>Collaborate with security teams to implement network hardening measures</li><li>Support VoIP systems, WAN circuits, and remote connectivity</li><li>Escalate complex issues and coordinate with vendors when necessary</li></ul>
2026-03-09T00:00:00Z

Network Administrator

San Antonio, TX
onsite
Contract / Temporary to Hire
42.75 - 49.5 USD / Hourly
We are looking for a skilled Network Administrator to join our team in San Antonio, Texas. In this Contract to permanent position, you will play a critical role in ensuring the seamless operation and optimization of our network infrastructure. Your expertise will contribute to maintaining high performance and reliability across local and wide area networks. Responsibilities: • Monitor network performance to identify and resolve issues, ensuring optimal operation. • Implement necessary software updates and hardware upgrades for improved network functionality. • Configure and document network components, including firewalls, routers, switches, and hubs, to meet organizational needs. • Provide technical support and assistance to staff, administrators, vendors, and other personnel. • Respond promptly to inquiries and troubleshoot network-related problems. • Collaborate with service providers and external vendors to maintain and enhance network infrastructure. • Manage and deploy Cisco Layer 2 and Layer 3 technologies to support network security and efficiency. • Maintain detailed records and documentation for all network configurations and changes. • Ensure compliance with security protocols and best practices across all network systems.
2026-03-09T00:00:00Z

Network Administrator

Albuquerque, NM
onsite
Contract / Temporary to Hire
47.5 - 55 USD / Hourly
We are looking for a skilled Network Administrator to join our team in Albuquerque, New Mexico. The Network Administrator involves managing and maintaining network, server, and storage infrastructure to ensure optimal performance and security. The ideal candidate will have hands-on experience in implementing robust security controls and providing support for both cloud and on-premises environments. Responsibilities:• Plan, design, and implement network infrastructure solutions, including servers, storage systems, and cloud environments.• Configure and maintain firewalls, proxies, VPNs, and other security measures to protect enterprise assets.• Analyze and enforce secure configurations for critical systems, adhering to corporate standards and regulations.• Manage network technologies such as route/switch, Wi-Fi, and hyperconverged infrastructure to ensure seamless connectivity.• Collaborate with telecommunications vendors to upgrade circuits and communication links.• Develop and maintain business continuity and disaster recovery plans for network operations.• Install, configure, and support VoIP systems and communication technologies across various platforms.• Conduct troubleshooting and analysis of network issues, including traffic shaping and port-level filtering.• Maintain and optimize load balancers, wireless access points, and other connectivity tools.• Oversee the integration of serial and IP communications between primary and backup control centers.Other duties as needed
2026-03-04T00:00:00Z

Network Administrator

Oakland Park, FL
onsite
Temporary
0 - 0 USD / Yearly
We are accepting applications for a Network Administrator to help with planning, designing, monitoring, supporting, managing and integrating enterprise network systemsResponsibilities:<ul><li>Manage, monitor, and maintain company LAN, WAN, and wireless networks to ensure efficient operation and uptime.</li><li>Configure and support network hardware, such as routers, switches, firewalls, and wireless access points.</li><li>Troubleshoot network connectivity issues and escalate advanced problems to senior staff when needed.</li><li>Conduct regular network health checks, monitoring for performance bottlenecks and implementing solutions.</li><li>Assist in network upgrades, expansions, and technology migrations.</li><li>Follow established network security protocols, administer firewall rules, VPN access, and support intrusion prevention efforts.</li><li>Document network configurations and changes, ensuring accurate records for compliance and support purposes.</li><li>Provide technical support and guidance to end-users and junior IT staff on network topics.</li><li>Participate in backup and disaster recovery planning and testing for network infrastructure.</li><li>Stay current with emerging networking technologies and best practices.</li></ul>
2026-02-20T00:00:00Z

Network Administrator

Fort Lauderdale, FL
onsite
Temporary
34 - 43 USD / Hourly
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.
2026-03-09T00:00:00Z

Network Administrator

Miami, FL
onsite
Temporary
35 - 42 USD / Hourly
We are seeking a motivated and detail-oriented Network Administrator to support and grow our network infrastructure. This role will assist in maintaining network reliability, security, and performance across a variety of technologies including firewalls, VPNs, wireless systems, and wired infrastructure. <ul><li>Configure, maintain, and troubleshoot network hardware including routers, switches, access points, and firewalls.</li><li>Administer and support firewall platforms including Palo Alto Networks and Cisco, including VPN support.</li><li>Monitor and manage VPN tunnels, remote access, and site-to-site connections.</li><li>Participate in the deployment, monitoring, and optimization of wired and wireless network infrastructure.</li><li>Collaborate cross-functionally with Deskside Support, Server Administration, and Information Security teams to ensure smooth IT operations.</li><li>Assist with maintaining compliance with security and regulatory standards (e.g., SOX, HIPAA, PCI, etc.).</li><li>Ensure proper documentation of network configurations, changes, incident reports, and asset inventories.</li><li>Provide Tier 2 support for network-related issues and escalate as needed.</li><li>Participate in IT change management processes.</li><li>Follow ITIL best practices in service management (incident, problem, and change management).</li></ul>
2026-03-09T00:00:00Z

Network Administrator

Miami, FL
onsite
Temporary
0 - 0 USD / Yearly
We are accepting applications for a Network Administrator to help with planning, designing, monitoring, supporting, managing and integrating enterprise network systemsResponsibilities:<ul><li>Manage, monitor, and maintain company LAN, WAN, and wireless networks to ensure efficient operation and uptime.</li><li>Configure and support network hardware, such as routers, switches, firewalls, and wireless access points.</li><li>Troubleshoot network connectivity issues and escalate advanced problems to senior staff when needed.</li><li>Conduct regular network health checks, monitoring for performance bottlenecks and implementing solutions.</li><li>Assist in network upgrades, expansions, and technology migrations.</li><li>Follow established network security protocols, administer firewall rules, VPN access, and support intrusion prevention efforts.</li><li>Document network configurations and changes, ensuring accurate records for compliance and support purposes.</li><li>Provide technical support and guidance to end-users and junior IT staff on network topics.</li><li>Participate in backup and disaster recovery planning and testing for network infrastructure.</li><li>Stay current with emerging networking technologies and best practices.</li></ul>
2026-02-20T00:00:00Z

Network Security Engineer

Delray Beach, FL
onsite
Temporary
0 - 0 USD / Yearly
The Network Security Engineer will design, implement, and maintain secure enterprise network infrastructure while proactively defending against threats. You will own the availability, performance, and security of firewalls, intrusion detection/prevention systems, VPNs, and perimeter defenses across on-prem and multi-cloud environments. Key Responsibilities:<ul><li>Assess network security requirements and design hardened architectures (zero-trust, segmentation, DMZ, SASE/SSE)</li><li>Select, deploy, and integrate security appliances and software (firewalls, IDS/IPS, WAF, VPN concentrators, proxy, NAC)</li><li>Build and maintain firewall policies, NAT rules, VPN tunnels, and secure remote access solutions</li><li>Perform advanced troubleshooting of network and security incidents using packet capture, traffic analysis, and log correlation</li><li>Respond to security events, conduct root-cause analysis, and implement remediation plans</li><li>Manage and tune perimeter defenses: Palo Alto, Fortinet, Cisco Firepower, Check Point, Cloudflare, Zscaler, etc.</li><li>Implement and maintain intrusion detection/prevention (Snort, Suricata, Zeek, CrowdStrike Falcon, Microsoft Defender for Cloud)</li><li>Conduct regular security assessments, rule reviews, penetration test support, and compliance audits (PCI, SOC2, ISO27001, NIST)</li><li>Automate repetitive tasks via scripting (Python, Ansible) and infrastructure-as-code where possible</li><li>Provide Tier-3 escalation support and post-incident reporting</li></ul>
2026-03-13T00:00:00Z

Network Security Engineer

Alpharetta, GA
onsite
Permanent
100000 - 125000 USD / Yearly
Senior Network Security Engineer (MSP Environment) We are seeking a Senior Network Security Engineer to design, implement, and support secure network infrastructures across multiple client environments. This role is responsible for maintaining high-performing network systems while ensuring strong security controls, segmentation, and threat visibility across enterprise networks.The ideal candidate has deep experience working within managed services or multi-client environments, supporting complex networking infrastructures and implementing security best practices. This position requires someone comfortable troubleshooting advanced network issues, designing secure architectures, and acting as a senior escalation point for critical incidents. Key Responsibilities <ul><li>Design, deploy, and maintain network infrastructure including routers, switches, wireless networks, and firewalls across multiple client environments.</li><li>Support enterprise LAN, WAN, and wireless connectivity systems to ensure high availability and performance.</li><li>Implement and manage networking protocols such as TCP/IP, VLANs, QoS, RSTP, LACP/LAG, and multicast technologies.</li><li>Implement and maintain network security controls across switching, wireless, and firewall platforms.</li><li>Design secure network segmentation strategies including VLAN segmentation, micro-segmentation, and multi-tenant network architectures.</li><li>Configure and manage firewall policies, NAT rules, and security filtering using least-privilege access principles.</li><li>Implement secure wireless network authentication methods including WPA2/WPA3 enterprise authentication and RADIUS-based access controls.</li><li>Design and maintain private wireless networks supporting role-based or device-based access policies.</li><li>Support modern access control frameworks including Zero Trust Network Access (ZTNA) approaches.</li><li>Implement network access controls such as 802.1X authentication, device profiling, and endpoint-based access policies.</li><li>Monitor network traffic and security events using network analytics tools and firewall telemetry.</li><li>Identify suspicious activity through log analysis, flow monitoring, and threat intelligence indicators.</li><li>Coordinate with security or incident response teams to investigate potential threats and implement containment actions.</li><li>Serve as a Tier 3 escalation point for complex network troubleshooting and infrastructure issues.</li><li>Diagnose and resolve connectivity problems involving routing, switching, wireless networks, and firewall systems.</li><li>Support proactive monitoring and preventative maintenance to maximize uptime.</li><li>Onboard and maintain network infrastructure within monitoring platforms for inventory tracking, alerting, and configuration management.</li><li>Analyze network alerts and performance metrics to identify potential issues before service disruption occurs.</li><li>Maintain detailed documentation of network configurations, security policies, and infrastructure changes.</li><li>Participate in change management reviews and ensure proper documentation for infrastructure updates.</li><li>Work closely with internal engineers and client stakeholders to resolve infrastructure challenges and implement new solutions.</li><li>Provide technical guidance and communicate complex technical findings clearly to both technical and non-technical audiences.</li></ul>
2026-03-05T00:00:00Z

Network Engineer/Admin

Omaha, NE
onsite
Temporary
0 - 0 USD / Yearly
We are looking for an experienced Network Engineer to join our team in Omaha, Nebraska. In this long-term contract role, you will take on a key position in designing, implementing, and maintaining the organization's network infrastructure. This includes handling local and wide area networks, VoIP systems, and Internet connectivity, ensuring optimal performance and availability for all users. The ideal candidate will bring advanced networking expertise to drive effective solutions and lead technical initiatives. Responsibilities: • Design, configure, and maintain network systems, including LAN, WAN, VoIP, and Internet infrastructure. • Monitor network performance to ensure consistent availability and implement necessary maintenance. • Troubleshoot and resolve complex network issues, providing leadership and guidance to team members. • Develop and implement network policies and procedures, including asset management and documentation. • Evaluate, procure, and deploy hardware, software, and peripheral equipment for network systems. • Collaborate with the security team to identify vulnerabilities and implement protective measures. • Lead capacity planning and analyze network traffic to optimize system performance. • Manage backups of data and voice network systems, supporting disaster recovery planning. • Communicate with stakeholders to address network requirements and resolve issues. • Provide training and mentorship to team members, ensuring tasks are completed effectively and efficiently.
2026-03-06T00:00:00Z

NETWORK ENGINEER IV

Washington, DC
onsite
Temporary
53 - 58 USD / Hourly
We are looking for an experienced Network Engineer IV to provide advanced network engineering support for a variety of programs. In this role, you will leverage your expertise to design, evaluate, and enhance network components while ensuring seamless integration and implementation. This is a long-term contract position based in Houston, Texas. Responsibilities: • Design and evaluate network components to ensure optimal performance and reliability. • Recommend and implement new technologies to enhance existing network capabilities. • Provide comprehensive engineering support throughout the system lifecycle, including analysis, development, integration, and testing. • Address complex network issues by analyzing data and developing innovative solutions. • Collaborate with senior management and stakeholders to align network strategies with organizational goals. • Establish operational workflows and best practices to maintain network efficiency. • Supervise and guide team members on technical assignments and procedures. • Develop and update policies related to network engineering and operations. • Ensure compliance with industry standards, regulations, and organizational requirements. • Act independently to determine methods and approaches for new projects and network enhancements.
2026-02-16T00:00:00Z

Network Security Administrator

Exton, PA
onsite
Permanent
100000 - 115000 USD / Yearly
We are looking for a skilled Network Security Administrator to join our team in Exton, Pennsylvania. In this role, you will safeguard our organization's IT infrastructure by ensuring robust security measures are in place and effectively maintained. Your expertise will contribute to the continuous improvement of our security systems, while also providing support for end users and proactively addressing potential vulnerabilities. Responsibilities: • Administer and configure IT security servers, appliances, and endpoint programs to ensure optimal functionality. • Perform installations, upgrades, and replacements of security-related software and hardware as needed. • Monitor security systems for alerts, respond to incidents, and escalate issues when necessary. • Assess the security of the organization's infrastructure and recommend improvements to strengthen overall security. • Troubleshoot and resolve issues with IT security equipment and applications. • Conduct scheduled security scans, implement remediation processes, and address vulnerabilities. • Manage and prioritize security-related tickets from the service desk, providing first-level support and coordinating resolutions. • Develop and maintain policies and procedures related to IT security operations. • Participate in audits, penetration tests, and disaster recovery exercises to ensure compliance and readiness. • Contribute to the development and enhancement of organizational security programs and initiatives.
2026-02-27T00:00:00Z

Systems Administrator

Greenville, SC
onsite
Permanent
0 - 0 USD / Yearly
We are looking for a skilled Systems Administrator to join our team in Greenville, South Carolina. This role focuses on delivering Tier 1 IT support while managing and maintaining the organization's information systems and infrastructure. The position requires a proactive approach to troubleshooting, system security, and compliance with federal cybersecurity standards. Responsibilities: • Resolve Tier 1 IT support requests, including hardware, software, and connectivity issues. • Deploy, configure, and maintain client and server hardware and software systems. • Coordinate with vendors to obtain quotes and procure IT solutions. • Identify and address software and system vulnerabilities to enhance security. • Act as a liaison between staff and external service providers for system maintenance. • Administer and support environments running Windows Server, Windows Client operating systems, and Linux systems. • Perform network administration tasks, including managing subnets, protocols, and firewall configurations. • Maintain and support common client and server hardware platforms. • Develop and implement IT policies and procedures to uphold information security standards. • Document configurations, troubleshooting steps, and procedures for future reference.
2026-02-19T00:00:00Z

Systems Administrator

Tallahassee, FL
onsite
Temporary
50 - 60 USD / Hourly
We are looking for an experienced Systems Administrator to join our team in Tallahassee, Florida. In this role, you will oversee the management, optimization, and troubleshooting of various system environments, including Microsoft Azure and Amazon Web Services (AWS). This position offers a long-term contract opportunity, requiring a proactive and detail-oriented individual to ensure the seamless operation of critical infrastructure. Responsibilities: • Manage and administer Microsoft Azure Entra ID, Active Directory, and Azure infrastructure security. • Develop and implement processes to optimize server resources and cloud technologies, including AWS and Azure. • Analyze system performance and recommend upgrades or changes to prevent resource contention. • Create and maintain technical documentation, standards, and procedures for system operations. • Collaborate with stakeholders, data center staff, and users to deploy resources, upgrades, and configuration changes. • Troubleshoot and resolve issues with Windows and Linux servers to minimize disruptions. • Develop PowerShell scripts for server monitoring and Active Directory/Azure management. • Research and propose technical solutions to meet organizational requirements and improve processes. • Assist application owners and users in accessing Azure applications securely. • Plan and schedule the development and implementation of software systems.
2026-03-13T00:00:00Z

Systems Administrator

Atlanta, GA
onsite
Permanent
65000 - 75000 USD / Yearly
We are looking for a skilled Systems Administrator to join our team in Atlanta, Georgia. This role is ideal for someone with a strong technical background, especially in Apple hardware and software, who can ensure system integrity and security. As part of our dynamic environment, you will contribute to maintaining and enhancing our IT infrastructure while collaborating closely with team members. Responsibilities: • Manage and support Apple hardware and MacOS systems, ensuring optimal performance and reliability. • Provide assistance with help desk operations, including prioritization, reporting, and time management. • Administer tools such as Adobe Creative Cloud, Google Apps, GSuite, ZenDesk, Active Directory, and mobile device management systems. • Oversee imaging and deployment of Apple machines, with expertise in Kandji being an advantage. • Implement security measures to protect company data and assets while maintaining system integrity. • Collaborate with teams to deliver training initiatives and create clear documentation for internal processes. • Troubleshoot technical issues and provide timely resolutions to maintain smooth operations. • Promote a positive and respectful work environment, fostering teamwork and open communication. • Ensure dependability by consistently delivering on commitments and exceeding expectations.
2026-02-17T00:00:00Z

Systems Administrator

Miami, FL
onsite
Temporary
34 - 40 USD / Hourly
We are looking for an experienced Systems Administrator to join our team in Miami. This long-term contract position is ideal for someone with strong expertise in managing and maintaining IT systems. You will play a critical role in ensuring the seamless operation of our organization's technology infrastructure. Responsibilities:• Manage and maintain Active Directory environments, ensuring optimal performance and security.• Configure, update, and troubleshoot Microsoft Windows Server systems.• Provide technical support and administration for devices running Microsoft Windows 10.• Oversee the deployment and maintenance of virtualized environments using VMware.• Experience with Azure cloud• Administer Office 365• Monitor system performance, identifying and resolving issues promptly.• Ensure compliance with security protocols and implement best practices for IT systems.• Document system configurations, processes, and changes to maintain accurate records.
2026-03-09T00:00:00Z

Systems Administrator

Baton Rouge, LA
onsite
Permanent
90000 - 110000 USD / Yearly
We are looking for an experienced Embedded Systems Administrator to join our team in Baton Rouge, Louisiana. In this role, you will manage and maintain critical systems, ensuring optimal performance and security. As part of your responsibilities, you will work with advanced technologies to support organizational objectives and resolve complex technical challenges. Responsibilities:• Administer and maintain Active Directory to ensure seamless authentication and directory services.• Manage and troubleshoot Windows Server environments to ensure system reliability.• Provide expertise in Windows 10 for desktop and user support.• Work with Dell Technologies hardware to optimize system performance.• Utilize Citrix Technologies to enhance virtualization and remote access solutions.• Collaborate on projects involving embedded applications and sensor data.• Develop and support systems for video streaming technologies.• Test and implement solutions using C++ for embedded systems.• Monitor and analyze system performance to identify and resolve issues.• Ensure data security and compliance across all managed systems.
2026-03-11T00:00:00Z

Systems Administrator

Indianapolis, IN
onsite
Temporary
0 - 0 USD / Yearly
We are looking for an experienced Systems Administrator to join our team on a long-term contract basis in Indianapolis, Indiana. This role is essential for maintaining and optimizing our IT infrastructure in the chemicals manufacturing industry. You will be responsible for ensuring the seamless operation of systems, providing support, and implementing improvements to enhance performance and reliability. Responsibilities: • Manage and maintain Active Directory, ensuring proper configuration and security protocols. • Administer Microsoft Windows Server environments, overseeing updates, backups, and troubleshooting. • Provide support and expertise for Windows 10 and Windows 11 systems across the organization. • Collaborate with teams to deploy and manage Citrix technologies for efficient virtual desktop solutions. • Configure and oversee Dell Technologies hardware to ensure optimal performance. • Handle domain controllers, ensuring proper setup, monitoring, and issue resolution. • Monitor system performance, identify issues, and implement solutions to optimize operations. • Document processes and maintain system records for effective knowledge sharing and compliance. • Ensure adherence to IT policies and practices, including security measures. • Provide technical guidance and support to users, addressing system-related queries and issues.
2026-03-13T00:00:00Z

Systems Administrator

San Antonio, TX
onsite
Contract / Temporary to Hire
35 - 38.5 USD / Hourly
We are looking for an experienced Systems Administrator to join our team in San Antonio, Texas. This contract position offers an excellent opportunity to manage and maintain essential IT systems while contributing to the overall efficiency of operations. The ideal candidate will have a strong background in system administration and a proven ability to support a variety of platforms and tools. Responsibilities: • Perform daily system administration tasks, including provisioning, installation, configuration, patching, and maintenance of hardware and software systems. • Manage and support Windows Active Directory environments, including storage, network infrastructure, and backup systems. • Operate and maintain monitoring and management tools such as Microsoft system tools. • Communicate complex technical concepts effectively to non-technical team members and stakeholders. • Administer and provide support for virtualization platforms, including Microsoft Hyper-V and VMware vCenter. • Develop and utilize PowerShell scripts to enhance system automation and efficiency. • Ensure system reliability and performance by conducting regular assessments and troubleshooting issues. • Collaborate with other IT professionals to optimize system operations and resolve technical challenges. • Contribute to the planning and implementation of infrastructure upgrades and improvements.
2026-03-09T00:00:00Z

Systems Administrator

San Antonio, TX
onsite
Temporary
26.1915 - 30.327 USD / Hourly
Robert Half is seeking a skilled System Administrator to support a client in San Antonio, Texas, responsible for managing mission‑critical systems, ensuring infrastructure security, and maintaining compliance across a diverse IT environment. The ideal candidate will bring strong expertise in server administration, virtualization, networking, automation, and enterprise hardware/software support. Higher‑Level ResponsibilitiesThe System Administrator will be responsible for advanced infrastructure operations, environment stability, and enterprise‑level configuration management. Key responsibilities include:<ul><li>Developing and deploying Group Policy Objects (GPOs) and scripts to remediate complex or widespread end‑user device (EUD) issues related to vulnerabilities, security requirements, or compliance mandates.</li><li>Maintaining server and networking equipment, performing regular maintenance, addressing vulnerabilities, and ensuring compliance with Department of Defense (DoD) and DoW standards.</li><li>Administering VMware vCenter and ESXi hosts, including license updates, certificate management, patching, troubleshooting, and resource allocation across the virtual environment.</li><li>Managing internal and external security certificates, ensuring proper tracking, renewals, and alignment with organizational security policies.</li><li>Updating and managing critical server functions as the environment evolves—for example:</li><li>Updating WSUS for new Windows OS versions</li><li>Updating WDS for new hardware deployments</li><li>Applying updates to RHEL and other Linux servers</li><li>Supporting additional server roles as needed</li><li>Troubleshooting and maintaining backup servers and Oracle-based devices, resolving issues to ensure system continuity and data integrity.</li></ul> IT Gear Support Responsibilities(General support and configuration; vendor support/maintenance contracts are maintained separately)This role includes support for a broad range of IT equipment and technologies:<ul><li>Palo Alto firewalls</li><li>Cisco switches and routers</li><li>Phone systems (general issues)</li><li>Wireless infrastructure</li><li>Multi‑Function Devices (MFDs)</li><li>VMware platforms</li></ul>
2026-03-11T00:00:00Z

Systems Administrator

Corona, CA
onsite
Temporary
49.4 - 57.2 USD / Hourly
We are looking for an experienced Systems Administrator to join our team on a long-term contract basis in Corona, California. In this role, you will oversee the maintenance and optimization of both Windows and Linux server environments, ensuring seamless operations and compliance with service-level agreements. This position requires a proactive and collaborative individual who can manage complex systems while driving efficiency and reliability. *** For faster responses, please send updated resumes to julio.enriquez@roberthalf(.com) *** Responsibilities:• Provide operational support for a large-scale server infrastructure, including 600 Windows Servers (Windows Server 2016 and newer) and 120 SUSE Linux Servers.• Perform regular patching, monitor server performance, and ensure service availability in alignment with established service-level agreements.• Manage and upgrade VCenter 7 and newer versions, maintaining 40+ ESXi hosts.• Administer virtual desktop infrastructure (VDI) pools and remote desktop services using Citrix technologies.• Troubleshoot and resolve advanced incidents and service requests escalated from lower support tiers.• Utilize or develop technical tools for tasks such as backups, restoration, failover processes, log analysis, and performance monitoring.• Create and maintain standard operating procedures to ensure security and operational efficiency in systems administration.• Upgrade and manage Dell Technologies storage arrays to meet organizational needs.• Collaborate with application development, security, and project management teams to implement new systems and services.• Develop automation tools and processes to enhance scalability and streamline operations.
2026-02-24T00:00:00Z

Systems Administrator

Ontario, CA
onsite
Permanent
115000 - 120000 USD / Yearly
We are looking for an experienced Systems Administrator to oversee and optimize our Dynamics 365 Finance and Operations (D365FO) platform. In this role, you will ensure the system operates efficiently, securely, and aligns with organizational goals. This position offers the opportunity to collaborate with various teams and stakeholders to enhance system functionality and resolve technical challenges. Responsibilities:• Monitor and maintain the performance, security, and stability of the D365FO environment.• Execute system updates, patches, and upgrades in coordination with Microsoft and internal teams.• Configure and manage user access, roles, and security permissions within D365FO.• Support integrations and troubleshoot issues related to printers, RF guns, and other connected devices.• Set up and manage reporting systems, including Power BI and SharePoint configurations.• Track system performance and logs, ensuring efficient operation and addressing any anomalies.• Maintain app registrations, client keys, and store entity configurations in D365FO.• Ensure compliance with IT policies, licensing requirements, and industry best practices.• Collaborate with business stakeholders, vendors, and IT teams to optimize system functionality.• Provide training and guidance to users to enhance system utilization.• Proficiency in Active Directory and Windows Server.• Hands-on experience with Windows 10 and Dell Technologies.• Familiarity with Citrix Technologies and Dynamics 365 (D365FO).• Strong understanding of SQL databases and Azure.• Knowledge of Power BI and Power Automate for reporting and automation.• Experience with Electronic Data Interchange (EDI) systems.• Solid troubleshooting and problem-solving skills in a technical environment.• Ability to manage system security and ensure compliance with IT policies.
2026-02-16T00:00:00Z

Systems Administrator

Santa Monica, CA
onsite
Temporary
32.3 - 37.4 USD / Hourly
Key Responsibilities: Maintain and update JAMF Pro and JAMF School management platforms Perform routine system and maintenance tasks, including OS updates across Mac and iOS devices Manage and resolve service tickets for Apple device issues Fine-tune and write scripts to automate processes and deployment Troubleshoot and resolve issues related to apps, file locations, OS changes, and hardware repairs Test new OS versions and applications on various Apple devices Prepare, repair, and redistribute devices as needed Keep apps up-to-date and troubleshoot application-related issues Monitor and respond to device support tickets, ensuring timely resolution Deploy devices physically, including large projects like the new performing arts center Provide white glove customer service, gather feedback, and collaborate effectively within the IT team Assist with budgeting and forecasting for Apple device refreshes Troubleshoot occasional Windows overlaps within a primarily Mac environment Work closely with both technical and non-technical school staff, demonstrating excellent communication and teamwork skills Required Qualifications: Minimum 4 years of professional experience as a JAMF/Apple device administrator Strong experience with JAMF Pro, JAMF School, Apple School Manager, and Apple Volume Purchasing Advanced knowledge of Apple device management, scripting, deployment, and troubleshooting Ability to support large environments (1,000+ devices) Customer-focused mindset, strong interpersonal skills, and a commitment to high-quality service Experience in educational environments is highly preferred but not required Proven ability to work onsite full-time and flexibly (11am–7pm or 8am–6pm), including support for school events outside regular hours Top Three Skills/Experience: Deep expertise with JAMF Pro and Apple School Manager Scripting and automation for device management Strong customer service focus with team collaboration abilities Position Logistics: Contract-to-hire; initial duration: 3 months Fully onsite (5 days/week) in Santa Monica, CA Flexible schedule to accommodate school events; typical hours 11am–7pm or 8am–6pm
2026-03-09T00:00:00Z

Systems Administrator

Portage, MI
onsite
Permanent
70000 - 80000 USD / Yearly
We are looking for a skilled Systems Administrator to join our team in Portage, Michigan. This role requires an individual with strong technical expertise and a passion for delivering exceptional service to clients. You will play a critical role in maintaining server and network infrastructure while ensuring seamless operations. Responsibilities: • Provide direct support to customers, addressing inquiries and resolving technical issues efficiently. • Manage and maintain server environments, including virtualization and network operations. • Perform triage and troubleshooting for support requests, identifying and implementing solutions promptly. • Utilize Active Directory to manage user accounts, permissions, and system configurations. • Oversee Windows-based systems, ensuring updates and security measures are implemented. • Collaborate with team members to manage projects and ensure timely completion. • Apply cybersecurity best practices to safeguard data and systems from potential threats. • Leverage automation and artificial intelligence tools to optimize system performance. • Work with Dell and Citrix technologies to ensure compatibility and functionality across platforms.
2026-02-13T00:00:00Z

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