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484 systems administrator jobs found

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SAIC
Sep 09, 2026
Enterprise Exchange Email Systems Administrator
SAIC FL
Description SAIC has an immediate opening for a System Administrator - Enterprise Email to support the Special Operation Command Information Technology Enterprise Contract (SITEC) - This critical position is located at the SOCOM Headquarters on MacDill, AFB FL. The purpose of the Special Operations Forces Information Technology Enterprise Contract(SITEC) 3 Enterprise Operations and Maintenance (EOM) Task Order (TO) is to provide USSOCOM, its Component Commands, its Theater Special Operations Commands (TSOCs),and its deployed forces with Operations and Maintenance (O&M) services to maintain Network Operations (NetOps); maintain systems and network infrastructure; provide end user and common device support; provide configuration, change, license, and asset management; conduct training, and perform Install, Move, Add, Change (IMACs) services. The responsibilities and tasks associated with each requirement play a pivotal role to USSOCOM, the CIO/J6 organization, and ultimately...
SAIC
Sep 09, 2026
Enterprise Exchange Email Systems Administrator
SAIC FL
Description SAIC has an immediate opening for a System Administrator - Enterprise Email to support the Special Operation Command Information Technology Enterprise Contract (SITEC) - This critical position is located at the SOCOM Headquarters on MacDill, AFB FL. The purpose of the Special Operations Forces Information Technology Enterprise Contract(SITEC) 3 Enterprise Operations and Maintenance (EOM) Task Order (TO) is to provide USSOCOM, its Component Commands, its Theater Special Operations Commands (TSOCs),and its deployed forces with Operations and Maintenance (O&M) services to maintain Network Operations (NetOps); maintain systems and network infrastructure; provide end user and common device support; provide configuration, change, license, and asset management; conduct training, and perform Install, Move, Add, Change (IMACs) services. The responsibilities and tasks associated with each requirement play a pivotal role to USSOCOM, the CIO/J6 organization, and ultimately...
SAIC
Sep 09, 2026
Systems Administrator II - Desktop Support
SAIC VA
Description SAIC is seeking a highly motivated and skilled Senior Systems Administrator II - Desktop Support to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. This individual will provide desktop maintenance of mission-critical systems and infrastructure, including Windows Servers, Red Hat Enterprise Linux (RHEL), and Nutanix hyper-converged platform solutions. The successful candidate will serve as a member of a dynamic team responsible for ensuring the performance, reliability, and security of a large-scale enterprise IT environment. The Systems Administrator II - Desktop Support will be responsible for desktop administration, patch management, system troubleshooting, and the implementation of new capabilities to meet operational and mission requirements. This role requires direct on-site support in the Springfield, VA location. Key Responsibilities: Perform day-to-day system administration tasks to...
SAIC
Sep 09, 2026
Systems Administrator - VMware & Storage Infrastructure
SAIC CA
Description Systems Administrator - VMware & Storage Infrastructure This role is primarily responsible for the administration and support of a VMware virtualization environment with Windows, Linux and Appliance VMs, with working knowledge of enterprise storage systems (NAS/SAN) to support day-to-day operations. The ideal candidate is proactive and self-sufficient, taking ownership of issues end-to-end and operating with minimal oversight, while staying organized, responsive, and collaborative with the rest of the team. Technical skill matters, but so does how you work with others: we're looking for someone curious who genuinely enjoys collaborating and learning alongside the team. Responsibilities Administer VMware vSphere environments: ESXi host management, vCenter, clustering, HA/DRS configuration, and VM lifecycle (provisioning through decommissioning). Apply working knowledge of enterprise storage (NAS and SAN), including basic provisioning, permissions, and...
Odyssey Systems Consulting Group
Sep 08, 2026
Full time
Network and Computer Systems Administrator
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a Network and Computer Systems Administrator supporting the Air Force Life Cycle Management Center Rapid Enterprise Solutions division (AFLCMC/EBR) at Eglin AFB, FL . This division powers the weapons enterprise with a superior workforce, modernized facilities, and innovative digital capabilities.   Our Network and Computer Systems Administrators provide support and assistance in the management and operations of armament program related network systems. Responsibilities Duties may include, but are not limited to: Supporting Tier I and Tier II IT systems Imaging, patching, and configuring classified/unclassified systems SharePoint management Administrating and operating help desk ticketing system Providing customer service support via in-person, email, phone, remote, etc. Providing technical support for briefing setups, presentations, VTCs, and...
SAIC
Sep 02, 2026
Systems Administrator II - Desktop Support
SAIC CA
Description SAIC is seeking a highly motivated and skilled Senior Systems Administrator II - Desktop Support to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. This individual will provide desktop maintenance of mission-critical systems and infrastructure, including Windows Servers, Red Hat Enterprise Linux (RHEL), and Nutanix hyper-converged platform solutions. The successful candidate will serve as a member of a dynamic team responsible for ensuring the performance, reliability, and security of a large-scale enterprise IT environment. The Systems Administrator II - Desktop Support will be responsible for desktop administration, patch management, system troubleshooting, and the implementation of new capabilities to meet operational and mission requirements. This role requires direct on-site support in the Springfield, VA location. Key Responsibilities: Perform day-to-day system administration tasks to...
SAIC
Sep 02, 2026
Senior Linux Systems Administrator
SAIC NJ
Description SAIC is recruiting for a Senior Linux Systems Administrator to join our program as a general technologist to support our NOAA GFDL program in Princeton, NJ serving the NOAA GFDL lab in a highly scientific user and mission driven facility. This individual would support both projects (60%) and user (40%) actives in a high interrupt tiered support environment requiring rapid response to the most complex customer systems inquiries. On a daily basis this individual may divide their time between (1) managing junior Admins to support lower level issues; (2) identifying, evaluating and prioritizing customer problems to ensure that inquiries are resolved appropriately; (3) conducting project work on several complex system projects simultaneously; and (4) managing and actively reporting on project status. The duties will include, but not be limited to: Providing Mid-Tier to Top-Tier Systems Administration for clients and servers in a heterogeneous environment....
SAIC
Aug 19, 2026
Systems Administrator
SAIC MD
Description Varen, an SAIC company is seeking an experienced Systems Administrator to join out team. This position in located in Suitland, MD and requires an active TS/SCI with polygraph to be considered. Responsibilities include, but are not limited to: Primary responsibility for server operations, inclusive of hardware, operating systems, and utilities on the servers. Install, configure, maintain server and desktop operating systems, databases, and other software applications. Monitor server and network systems and facilities. Ensure high quality transmission on the network; Direct testing and analysis of system elements, including communications networks, hardware devices, software, power, communications, lines, modems, and terminals. Perform troubleshooting. Install hardware and software. Perform backups, database administration and file recovery. Optimize system operations and resource utilization and perform system capacity analysis and planning....
Lockheed Martin
Jul 10, 2026
Systems Administrator/Configuration Management Analyst
Lockheed Martin Springfield, VA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. The Bobcat program is seeking a Systems Administrator/Configuration Management Analyst....
Lockheed Martin
Jul 07, 2026
Systems Administrator
Lockheed Martin Herndon, VA
Description: • Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN’s operating system, and the GOTS, COTS, and custom software products running on it. • Perform system startup, shutdown, backups, and restores and maintain records of the Cartoon operating system upgrades/changes for reporting purposes. • Conduct virus scanning and firewall protection of the Mission LAN in compliance with the Sponsor’s ISSM • Provide Data Transfer Officer (DTO) services between UNCLASSIFIED and CLASSIFIED networks as needed by the Sponsor • Coordinate assistance from the Sponsor’s corporate resources when required, if encountering a problem that the Contractor team cannot solve • Ensure security compliance with the Sponsor’s ISSM for all components of the network • Perform other system administration duties as requested by the Sponsor. Basic Qualifications: • Minimum 3 years experience as a Systems Administrator •...
Lockheed Martin
Jun 04, 2026
Systems Administrator
Lockheed Martin Herndon, VA
Description: • Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN’s operating system, and the GOTS, COTS, and custom software products running on it. • Perform system startup, shutdown, backups, and restores and maintain records of the Cartoon operating system upgrades/changes for reporting purposes. • Conduct virus scanning and firewall protection of the Mission LAN in compliance with the Sponsor’s ISSM • Provide Data Transfer Officer (DTO) services between UNCLASSIFIED and CLASSIFIED networks as needed by the Sponsor • Coordinate assistance from the Sponsor’s corporate resources when required, if encountering a problem that the Contractor team cannot solve • Ensure security compliance with the Sponsor’s ISSM for all components of the network • Perform other system administration duties as requested by the Sponsor. Basic Qualifications: • Minimum 3 years experience as a Systems Administrator •...
General Dynamics Mission Systems, Inc
Apr 28, 2026
Senior Advanced Systems Administrator
General Dynamics Mission Systems, Inc Wahiawa, HI
Basic Qualifications Bachelor’s degree in Computer Science, a related field or equivalent experience is required plus a minimum of 8 years of relevant experience; or Master's degree plus 6 years of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense Top Secret clearance required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Put your engineering talent to the ultimate test. At General Dynamics Mission Systems, we create the technologies, products and services that help our service members, intelligence analysts and first responders keep our nation safe. The work we do is so advanced our teams often redefine what’s possible for the world. If you want to be a...
TRISTAR INC
Mar 30, 2026
SYSTEMS ADMINISTRATOR II/LAB MANAGER
TRISTAR INC Bloomington, IN
 TRISTAR is seeking a talented Systems Administrator II / Lab Manager to support the Intelligence & Cyberspace Operations of the Azurite Program.    Job  Description :  The Sys Admin II / Lab Manager will install, configure, and troubleshoot specialized software development platforms and tools, as well as deploy and manage software hosting technologies (e.g., virtual machines, containers, cloud instances) for experimental applications.  Active system administration, performance monitoring, and ensuring the stability and availability of these unique R&D environments to facilitate rapid prototyping and experimentation. About TRISTAR TRISTAR is a professional services company supporting U.S. Department of Defense programs. Our core competencies include Electronic Warfare, Enterprise Management, Full Spectrum Cybersecurity, Information Technology, Digital Transformation, Software Engineering and Development, Maritime Modernization and Engineering, and...
SAIC
Aug 19, 2026
Sr Systems Administrator
SAIC CA
Description SAIC is seeking an experienced server System Administrator in support of a managed services engagement for a major Public Sector account. This is a fully remote position. The successful candidate will join a team of server Administrators responsible for: Managing our client's Windows Servers, Linux Servers, Azure, and M365 services and systems. You will be required to install and manage IaaS services, PaaS services, M365 services, Active Directory, Exchange, VMWare including and not limited to -- performance tuning, storage management, backup and recovery, security, and operational and application support. Along with the rest of the team this position will be on rotation 7x24 on-call support duties. The incumbent should have extensive experience with Windows Server and Linux Server Administrative tooling, excellent problem-solving skills, and hands-on experience in all aspects listed above. Qualifications Qualifications: Bachelor's degree and five (5)...
SAIC
Jul 15, 2026
Linux Systems Administrator
SAIC HI
Description SAIC is seeking a Linux Systems / Cloud Administrator to serve on a team supporting our customer, the HQ USINDOPACOM J76, K. Mark Takai Pacific Warfighting Center . The systems and cloud administrator will be a part of a close team that is maintaining, enhancing and upgrading a myriad of applications and services, in an enterprise environment. As part of team, you will participate in implementation and maintenance of Cloud and On-Prem IT Infrastructure to support the customer. JOB DESCRIPTION: Administer all Linux servers (RHEL, CentOS, Ubuntu) across the enterprise Monitor health, performance, and availability of Linux infrastructure; remediate issues Provide HW/OS support to Modeling & Simulation (M&S) and C4I systems during exercises Patch Linux servers (NDM, PTEN-S) and apply Linux STIGs Maintain Satellite Servers and local repos Maintain and develop Ansible playbooks for configuration management and automation Maintain Kickstart for...
Lockheed Martin
Jul 14, 2026
Information Systems Administrator (Systems, DBA, Network)
Lockheed Martin Fort Smith, AR
Description: Join the Lockheed Martin Aeronautics Field Sustainment Team. Our customers include both the U.S. Military and international governments and organizations. Our global reach and technical depth offer an endless amount of opportunities for up-and-coming Autonomic Logistics Information Systems (ALIS) or Mission Planning Environment (MPE) professionals seeking a place to make their mark – or for seasoned Autonomic Logistics Information Systems (ALIS) or Mission Planning Environment (MPE) professionals seeking their next career challenge. ALIS/MPE Administrators directly support JSF operations by assuring the integrity of data stored within the system by maintaining the internal databases and applications. The successful candidate will serve as the point of contact in customer discussions during the flight and evaluation activities while maintaining system functionality. Candidate must be able to obtain and maintain Special Access Program clearance required for program...
Lockheed Martin
May 23, 2026
Systems Administrator/ ALIS / Lask, Poland
Lockheed Martin Orlando, FL
Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreaking technology, advanced manufacturing processes, and a world-class team of professionals. Our mission-driven approach and unwavering dedication to excellence ensure that we continue to deliver superior products and solutions to our customers around the world. THE WORK Position Assignment: Autonomic Logistics Information Systems (ALIS) Administrator for F-35 supporting Lask, Poland. This is a one-year assignment. This position will offer a long-term deployment to a foreign country. The...
Lockheed Martin
Jul 08, 2026
Systems Administrator Sr - Ex Pat GERMANY - Secret
Lockheed Martin Bethesda, MD
Description: What We’re Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) team, is engineering, developing and integrating new capability for the Missile Defense System. Who We Are Lockheed Martin is a renowned leader in the defense technology industry, known for our commitment to innovation, mission success, and cutting-edge solutions. We foster a collaborative and dynamic work environment where our employees are driven by a shared passion for excellence. The Work Position will be located at Ramstein AFB in Germany. The successful candidate will report to the EUCOM C2BMC O&M Site Lead and to the C2BMC Watch Officer (CWO). The candidate is responsible for providing technical support as the Subject Matter Expert (SME) on all local hardware, software and network issues for the EUCOM C2BMC systems in a 24x7 operations and test environment. This position requires the ability to work in a team environment on multiple tasks that involve...
Lockheed Martin
Jun 12, 2026
Staff Systems Administrator - Field Engineer - Clearance Required
Lockheed Martin Beale Air Force Base, CA
Description: WHAT WE'RE DOING We deliver innovative, time-critical, SME-level technical expertise to the C4ISR family of fielded ground systems that support our customers in the field. Our Field Engineers provide technical support to operations forward environments and sustain and maintain the infrastructure and integration activities for our delivered C2 Ground Systems. THE WORK In this critical role, you will: • Provide SME level field systems administration expertise to the sustained operations and maintenance of the fielded ground systems. • Join the Fielded Systems Engineering-IT team as a Field Service Representative (FSR) responsible for the day to day maintenance, trouble shooting, fault isolation, and analysis of complex computer and communications equipment supplied to our customers. • Perform system administration functions on a variety of systems to include physical and virtual; troubleshoot and resolve interoperability issues; troubleshoot and resolve user...
SAIC
Aug 26, 2026
Senior Systems Sustainment Administrator
SAIC VA
Description SAIC is looking for a Senior Systems Engineer to serve as a Senior Systems Administrator with experience in US Navy IT networks to support the sustained operation and maintenance of a newly deployed US Navy enterprise transport network, ensuring 24/7/365 availability and reliability. The position will support end-to-end network, system, and element visibility; facilitate rapid operations, administration, maintenance, and provisioning to maintaining the operational integrity of a mission-critical network, requiring both technical expertise and a commitment to excellence in service delivery. This position will work a schedule of 7AM - 3PM, 5 days per week to include weekends and a rotating on call requirement. Work will be performed at the Navy customer's site in Suffolk, VA. Specific duties include: Provide Tier 3 level engineering operations support to quickly identify, triage, and address outages, analyzing symptoms and potential root causes to implement...
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