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685 system administrator jobs found

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Odyssey Systems Consulting Group
May 14, 2026
Full time
System Administrator
Odyssey Systems Consulting Group Oklahoma City, OK
Position Summary Odyssey Systems has an exciting opportunity for a System Administrator providing support to the Air Force Life Cycle Management Center/PEO Intelligence, Surveillance, Reconnaissance & Special Operations Force Directorate (PEO ISR SOF).   The Air Force Program Execution Office for ISR SOF has the collective Air Force Materiel Command (AFMC) mission responsibility to manage and execute the modernization, development, testing, production, fielding, and sustainment of the ISR SOF portfolio, which includes 12 divisions and hundreds of programs for the United States Air Force (USAF) and foreign allies. AFLCMC/PEO ISR SOF is headquartered at Wright Patterson AFB, OH, with geographically separated operating units CONUS and OCONUS.   This position supports the AFLCMC/WIW (Wedgetail and AWACS) Division and is located at Tinker AFB, OK. Responsibilities Duties include, but not limited to:  Set up,...
SAIC
May 13, 2026
Windows System Administrator
SAIC FL
Description SAIC is hiring a Windows System Administrator to be located in Pensacola, FL . The successful candidate will be the primary technical resource for Windows Systems Administration. This position requires the ability to assist with the architectural, engineering, administration of Windows infrastructure, as well as participate in the change process and incident response processes. The Windows System Administrator will provide: Desktop support of Windows 11 workstations in a Microsoft Active Directory environment. Microsoft Windows Server 2019, 2022, and 2025 support of virtual and physical servers. Management of VMware virtual environments and virtual networking (virtual distributed switches). Basic networking support to include basic troubleshooting. System patching utilizing Windows Server Update Services (WSUS) and Microsoft Endpoint Configuration Manager (MECM). Verification of system vulnerability compliance by reviewing...
SAIC
May 13, 2026
Senior System Administrator
SAIC MA
Description SAIC Inc. has an immediate opportunity for a Senior System Administrator part time position (20 hours a week) requiring a Position of Public Trust clearance located in Cambridge, Massachusetts. The core responsibilities include designing, deploying, and troubleshooting VMware vSphere environments, alongside administering both Windows and Linux operating systems The successful candidate is a team player, able to effectively manage their time, willing to learn new technologies, and work with limited supervision. In addition, the qualified candidate will work with other Information Technology team members to ensure continuous network operations. This is a contractor position supporting a federal government contract. Core responsibilities and duties, day-to-day activities include: Manage the administrative and design tasks for virtualized server infrastructure, which includes deploying, configuring, and maintaining the VMware environment. Design, deploy,...
General Dynamics Mission Systems, Inc
May 07, 2026
IT System Administrator
General Dynamics Mission Systems, Inc Scottsdale, AZ
Basic Qualifications Bachelor’s degree in a related specialized area or equivalent is required plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance with Polygraph is 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 At General Dynamics Mission Systems, we create the technologies, products and services that help our nation’s heroes keep our nation safe. The work we do is so advanced, we are continuously moving the boundaries of what’s possible. Here you’ll work with the best and your talent will be front and center on projects that...
Lockheed Martin
May 06, 2026
Training Simulator System Administrator / F-35 / Rovaniemi, Finland
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. THE WORK At Lockheed Martin Rotary and Mission Systems, we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach — including yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, and education. Come and experience your future! Assignment: This position will offer a long-term deployment to a foreign country as a Training System Simulator System Administrator for the F-35. The successful candidate will support the sustainment, maintenance, and operations benefiting the Finnish Air Force. The Systems Administrator will support the sustainment, maintenance, and operation of F 35 training system devices, with a long term deployment to Rovaniemi,...
Lockheed Martin
May 01, 2026
Multi-Function Information Systems System Administrator/DBA
Lockheed Martin Westfield, MA
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
Apr 16, 2026
X-LAB System Administrator (Secret Clearance)
Lockheed Martin Colorado Springs, CO
Description: What We're Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) Experimentation Lab (X-LAB, is engineering, developing and integrating new capability for the Missile Defense System that currently protects the United States and its allies. The team consists of many small agile teams that work together in a fast-paced and dynamic environment. Our team is also, responsible for tasks such as Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security and enhancing other critical, leading-edge missile defense technologies. The Work We are seeking a detail-oriented and highly motivated System Administrator to join our team in Colorado Springs. This position will act as the first line of defense for user level interactions and issues. The position will be primarily supporting users in person, secure phone, email or instant message (IM). This position will be customer facing, so refined...
Lockheed Martin
Apr 08, 2026
Linux System Administrator Sr
Lockheed Martin Moorestown, NJ
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 Seeking a Linux System Administrator in Moorestown, NJ. Duties include hardware and software installation / de-installation (COTS and custom software), fault detection and fault isolation, host backups, system monitoring...
Lockheed Martin
Apr 08, 2026
System Administrator
Lockheed Martin Kirtland Air Force Base, NM
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 Lockheed Martin is seeking a System Administrator to join our Information Technology team supporting the Air Force Special Operations (AFSOC) Air Commando Training Support (ACTS) contract. We are a dynamic and diverse team...
Lockheed Martin
Mar 19, 2026
System Administrator
Lockheed Martin Hurlburt Field, 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 Lockheed Martin is seeking a System Administrator to join our Information Technology team supporting the Air Force Special Operations (AFSOC) Air Commando Training Support (ACTS) contract. We are a dynamic and diverse team...
General Dynamics Mission Systems, Inc
Feb 23, 2026
Dev Ops System Administrator
General Dynamics Mission Systems, Inc Scottsdale, AZ
Basic Qualifications Education Requirements: 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 TS/SCI with Polygraph security clearance is 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...
Lockheed Martin
May 06, 2026
Mission Planning System Administrator Lead (Level 5)
Lockheed Martin MD
Description: We are Lockheed Martin The F-35 Mission Planning Test & Evaluation Administrator Lead's primary role will be to support flight test activities at the Patuxent River Naval Air Station on the F-35B and F-35C aircraft as part of the Air Vehicle Mission Planning Environment (MPE) team. This team is responsible for the F-35 mission planning systems and processes to include, but not limited to: - Deploying mission plans for communications/datalinks, sensor configurations and weapon system planning - Coordinating with Mission Systems and Weapon Integration teams and pilots to deploy and evaluate new capabilities - Responsible for both ground and airborne COMSEC configurations - Coordinating aircraft configuration with Test Operations, Flight Operations, and Aircraft Maintenance teams - MPE and MVDL hardware and network deployment and administration - MPE and MVDL software installation of the latest developmental releases, maintaining user accounts, and supporting...
Lockheed Martin
Apr 29, 2026
System Administrator
Lockheed Martin Littleton, CO
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 Erebus Program is a newly awarded 7-year effort that delivers cutting-edge...
SAIC
Apr 29, 2026
Senior Microsoft Architect & System Administrator
SAIC DC
Description The Senior Integrator will provide systems integration and systems administration support for Operations and Maintenance (O&M) and various high-level projects across the Department of Transportation (DOT) Common Operating Environment (COE). The Windows Server Team is responsible for Windows servers, Active Directory, remote desktop services, OS vulnerability remediation, Windows Server and workstation patching, hypervisor (VMware, HyperV) management, provisioning servers (on-prem, AWS GovCloud, AWS, Azure, Oracle, and Google), design and deploying HA/DR capabilities, and supporting DOT's field site reduction plans / migration to Cloud. This team also supports and manages Keyfactor/CA, MS Entra, KiteWorks, BeyondTrust, Quest Password Manager, Delinea Privilege Manager, Varonis, and multiple technologies. The successful candidate will provide hands-on technical expertise from responding to OCIO Initiatives and requirements to preventing service degradations...
Lockheed Martin
Apr 08, 2026
F-22 IMIS System Administrator (Level 3), Secret Clearance
Lockheed Martin Hampton, VA
Description: Join the Lockheed Martin Aeronautics Field Sustainment Team as an IT Systems Administrator for our Langley Air Force Base, Virginia office. As critical members of the F-22 Field Operations Team, all Integrated Maintenance Information Systems (IMIS) Administrators must be able to: • Obtain and maintain Special Access Program clearance required for program access • Capable of working various shift hours to include weekends to support customer mission requirements. • Candidates offered a position may be required to complete a pre-employment medical exam that is designed to ensure capability to deploy with our military customer, which may be to austere environments with limited access to medical care. A Day in the Life: As an IMIS Administrator with our F-22 IMIS team partnering with our customer, you will wear many hats; system admin, data management, network admin, and tier 1 and 2 support duties. IMIS Administrators are generally the first point of contact for...
Lockheed Martin
Apr 03, 2026
Classified IT System Administrator / Onsite: PA, CO, CA, AL or FL
Lockheed Martin Huntsville, AL
Description: This Enterprise Operations position supports the DarkStar Enterprise network, delivering secure, mission-critical IT capabilities to collateral Secret programs across the enterprise. As a Senior Systems Administrator, you will play a direct role in enabling national security objectives by performing technical planning, system integration, and verification and validation of classified infrastructure used by critical programs. This is a hands-on position focused on resolving complex technical challenges across applications, systems, and network connectivity within a classified environment. You will be part of a high-performing team responsible for maintaining and defending enterprise IT systems that operate in complex, security-constrained environments. You will perform functional analysis, trade studies, requirements allocation, and interface definition studies to translate customer and program requirements into hardware and software specifications. The selected...
Lockheed Martin
Mar 20, 2026
Classified IT System Administrator / Onsite: PA, AL, CA, FL or CO
Lockheed Martin Huntsville, AL
Description: This Enterprise Operations position supports the DarkStar Enterprise network, delivering secure, mission-critical IT capabilities to collateral Secret programs across the enterprise. As a Systems Administrator, you will play a direct role in enabling national security objectives by ensuring the reliability, performance, and security of classified infrastructure used by critical programs. This is a hands-on position focused on resolving technical challenges across applications, systems, and network connectivity within a classified environment. You will be part of a high-performing team responsible for maintaining and defending enterprise IT systems that operate in complex, security-constrained environments. The selected candidate will administer and support Linux and/or Windows systems, network components, and storage platforms. Responsibilities include system installation, configuration, maintenance, and troubleshooting to ensure continuous availability of mission...
Lockheed Martin
May 09, 2026
System Administrator
Lockheed Martin Eielson Air Force Base, AK
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 Duties include, but are not limited to, being responsible for assisting in defining, developing, configuring, and supporting computer applications and training environments. This role involves installing, setting up, and...
Lockheed Martin
May 06, 2026
System Administrator Sr. - Springfield, VA
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 Erebus Program is a newly awarded 7-year effort that delivers cutting-edge...
Lockheed Martin
May 06, 2026
System Administrator Sr. - Springfield, VA
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 Erebus Program is a newly awarded 7-year effort that delivers cutting-edge...
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