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604 systems administrator jobs found

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SAIC
May 13, 2026
Senior Systems Administrator
SAIC FL
Description SAIC has an immediate opening for a Senior Systems Administrator to support the Special Operations Forces Information Technology Enterprise Contract (SITEC) - This critical position is located at 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 SOCOM, 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 SOCOM, J64 VIPER, and ultimately the end-users who operate around the globe 24x7x365....
Lockheed Martin
May 08, 2026
Linux Systems Administrator, Stf / Secret / Onsite: Huntsville, AL
Lockheed Martin Huntsville, AL
Description: About Us: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span more than 70 countries. This Lockheed Martin Enterprise Operations (EO) position will support National Security Space programs in Huntsville, AL. Your Mission: As a Linux Information Systems Administrator, Staff your responsibilities will include: • Technical Support: Provide expert assistance to users in resolving technical issues with applications, connectivity, and other IT-related concerns. • Cybersecurity Expertise: Conduct environmental vulnerability scans, remediate vulnerabilities, and perform system hardening to ensure the security of our systems. • Root...
SAIC
May 06, 2026
Systems Administrator
SAIC
Description SAIC is seeking a Systems Administrator based in Bahrain. The qualified candidate will be a part of a small, agile, embedded team of support SMEs with FSET support; to include system administration, network administration, communication, and infrastructure. Embedded personnel are considered subject matter experts (SME), mission essential and deployable on any Regional Combat Command (RCC) exercises or operations that require the use of C2 Family of Systems. The Team provides on-site technical support at the garrison and deployed locations where the C2 system operates. Embedded personnel must relocate to the country in which the system operates for a minimum of 1 year assignment. Personnel may receive housing, cost of living, and relocation allowances in addition to base salary. This role cannot be supported remotely. Job Responsibilities: Installation of new hardware or software Creating and managing user accounts Maintaining computer systems such as servers...
SAIC
May 06, 2026
Lead Systems Administrator
SAIC VA
Description SAIC is looking for an ambitious Lead Systems Administrator/VMWare SME like you! Candidates will join a fast-paced and growing team of System Administrators in supporting a 24/7 high visibility Watch Center. In addition to maintaining a private Customer Cloud, candidates should expect to gain experience in new administration technologies; tackle individual and group projects; work closely with other IT professionals; and participate in a growing ever-changing mission. Apply today! Qualifications Active TS/SCI with Poly in order to be considered Minimum of 10 years of relevant IT experience Bachelor's Degree or commensurate experience in place of degree will be considered High Degree of Experience building/configuring/maintaining/upgrading/tuning/ troubleshooting VMware virtual infrastructures Experience with the following aspects of Windows Domain Administration: -Active Directory -Group Policy -DNS -DHCP -WSUS Experience with any of the...
SAIC
Apr 29, 2026
Senior Cloud Systems Administrator
SAIC MD
Description SAIC is seeking a highly motivated Senior Cloud Systems Administrator to join our expanding, multi-disciplined team of professionals at our Identity and Data Sciences Laboratory (IDSL). The selected individual will be instrumental in the administration, management, and configuration control of the IDSL's cloud-based systems for large scale data analytics processing. These in-house developed, high availability environments are leveraged by the IDSL team in the evaluation of emerging hardware and software technologies designed to improve the efficiency, effectiveness, and satisfaction of travel and trade processes used by our customers. This is a hybrid position based in Upper Marlboro, MD - 3 Days in Office / 2 Days Remote. Job Duties: Work in tandem with the IDSL Cloud Security Administrator, Corporate Cyber Team, and customer security representatives, to maintain cloud system configurations, security strategies, policies, and procedures in...
SAIC
Apr 29, 2026
Senior Systems Administrator - RHEL
SAIC VA
Description SAIC is seeking a highly motivated and experienced Senior Systems Administrator - RHEL to join our MAJESTIC Joint Program Office (JPO) Team in Springfield, VA . This individual will play an integral role in managing and optimizing mission-critical Red Hat Enterprise Linux (RHEL) systems in a hybrid IT enterprise environment. The ideal candidate will have in-depth expertise in RHEL system administration, including configuration, maintenance, and performance optimization. Additionally, experience with virtualized environments and enterprise systems, including Windows Server and HCI solutions, is critical. The candidate will ensure system security, reliability, and efficiency while collaborating with cross-functional teams to support operations. This position requires on-site support in a high-security, fast-paced environment . Key Responsibilities: Administer, configure, and maintain Red Hat Enterprise Linux (RHEL)...
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...
SAIC
Apr 22, 2026
Systems Administrator - HCI
SAIC VA
Description SAIC is seeking a highly motivated and skilled Systems Administrator - HCI (Hyper-Converged Infrastructure) to join our MAJESTIC Joint Program Office (JPO) Team to support the operational management, maintenance, and optimization of mission-critical IT systems in an enterprise environment. This role focuses on administration and troubleshooting of hyper-converged infrastructure (HCI) systems, particularly Nutanix , as well as Windows Server and Red Hat Enterprise Linux (RHEL) environments. As a key member of the team, you will ensure the performance, scalability, and reliability of HCI systems while collaborating with cross-functional teams to support seamless operations. The ideal candidate has a robust understanding of virtualized environments, HCI technologies, and enterprise infrastructure. All work for this position must be conducted on-site in Springfield, VA. Key Responsibilities: Administer, configure, and maintain...
SAIC
Apr 22, 2026
Systems Administrator
SAIC NM
Description SAIC is seeking a systems administrator to support the Space Systems Command on a program that directly assists the US Space Force. The ideal candidate will have experience providing design, implementation, maintenance, and troubleshooting functions for physical and virtual information systems and web-based applications. The selected candidate will interface with Active Duty, US Government, and contractor personnel to provide top-notch support with a focus on system/network security in support of national security; provide break/fix and design supporting Information Technology in a fast paced, high-energy environment; provide root cause analysis and be comfortable recommending permanent configuration changes when necessary. Support will encompass a range of capabilities from server and workstation configuration and support, LAN setup and maintenance. This position is based at Kirtland Air Force Base in Albuquerque, New Mexico. Primary duties and responsibilities...
SAIC
Apr 22, 2026
Principal Systems Administrator
SAIC NM
Description SAIC is seeking a systems administrator to support the Space Systems Command on a program that directly assists the US Space Force. The ideal candidate will have experience providing implementation, maintenance, and troubleshooting functions for physical and virtual information systems and web-based applications. The selected candidate will interface with Active Duty, US Government, and contractor personnel to provide top-notch support with a focus on system/network security in support of national security; provide break/fix and design supporting Information Technology in a fast paced, high-energy environment; provide root cause analysis and be comfortable recommending permanent configuration changes when necessary. Support will encompass a range of capabilities from server and workstation configuration and support, LAN setup and maintenance. This position is based at Kirtland Air Force Base in New Mexico. Primary duties and responsibilities may include:...
Odyssey Systems Consulting Group
Apr 10, 2026
Full time
Network and Computer Systems Administrator (Evergreen)
Odyssey Systems Consulting Group Niceville, FL
Position Summary Evergreen (Pipeline) Requisition   This requisition is used to build a pipeline of qualified candidates for future opportunities. While there may not be an immediate opening, candidates will be considered as positions become available based on their qualifications and program needs.   Odyssey is seeking experienced Network and Computer Systems Administrators to join our talent community for anticipated opportunities supporting the Air Force Life Cycle Management Center (AFLCMC) Armament Directorate and other Department of Defense (DoD) programs.   Our Network and Computer Systems Administrators support the government with the installation, configuration, operation, and maintenance of network and computer systems infrastructure. They ensure the reliability, security, and performance of systems supporting mission-critical operations, and provide technical expertise to maintain compliance with DoD cybersecurity and information...
Lockheed Martin
Apr 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 •...
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
Mar 18, 2026
Systems Administrator
SAIC HI
Description SAIC is seeking a Systems Administrator located on Ford Island in Hawaii to support the HQ USINDOPACOM J76, K. Mark Takai Pacific Warfighting Center to enhance and upgrade 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: Provide level II and III systems support to Helpdesk and staff of PWC. Create and manage user and group accounts across enclaves of responsibilities. Create and maintain baseline system images and configuration using MDT, MECM, DSC Kickstart, and Ansible. Respond to and implement Cyber Tasking Orders. Apply patches to systems and conduct regression tests. Apply STIGs and conduct regression tests. Set up and monitor backups. Restore files as needed. Routinely test restoral process. Monitor cloud consumption and cost. Monitor hardware health. Monitor...
SAIC
Mar 11, 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 ideal candidate must be an independent self-starter, be adept at supporting both Linux in a heterogeneous environment, and have excellent customer-facing...
Lockheed Martin
Feb 17, 2026
Systems Administrator Lead
Lockheed Martin Herndon, VA
Description: The Contractor shall provide a Systems Administrator Lead to provide the Sponsor with a single POC to oversee and document administration, management, and provisioning of environments, accounts, permissions and roles, and profiles required for the development, O&M, and use of the Sponsor’s systems and applications. Basic Qualifications: - Bachelor's degree in Information technology, Computer Science, Cybersecurity, Computer Engineering, or Information Systems and three (3) years of combined experience in IT systems administration, IT systems/software development and integration, IT systems/software testing, cybersecurity compliance, IT systems troubleshooting, and incident response OR High School Diploma and five (5) years of combined experience in IT systems administration, IT systems/software development and integration, IT systems/software testing, cybersecurity compliance, IT systems troubleshooting, and incident response - Demonstrated two (2) years of...
SAIC
May 13, 2026
Systems Administrator and Network Specialist
SAIC MD
Description The Vanguard 2.2.1 program is seeking a qualified professional to perform as an operations technical resource in support of the Department of State's (DoS) Bureau of Information and Resource Management (IRM). The operations organization provides administrator levels 1/2/3 Information Technologies (IT) support for Microsoft active directory and domain controllers' technologies to domestic and overseas embassies and consulates. The candidate will be responsible for the operations and maintenance of production systems. This includes proactive and corrective maintenance duties, incident management, event management, service request fulfillment, problem management and performance management. The position also requires the proven ability to ensure the highest standard of system maintenance, monitor system performance, install windows server software (patches, etc.), maintain reliable system operation, system availability, training sessions for other level 1 and level 2...
SAIC
May 13, 2026
Senior Systems Administrator and Network Specialist
SAIC VA
Description The Vanguard 2.2.1 program is seeking a qualified professional to perform as an operations technical resource in support of the Department of State's (DoS) Bureau of Information and Resource Management (IRM). The operations organization provides administrator levels 1/2/3 Information Technologies (IT) support for Microsoft active directory and domain controllers' technologies to domestic and overseas embassies and consulates. The candidate will be responsible for the operations and maintenance of production systems. This includes proactive and corrective maintenance duties, incident management, event management, service request fulfillment, problem management and performance management. The position also requires the proven ability to ensure the highest standard of system maintenance, monitor system performance, install windows server software (patches, etc.), maintain reliable system operation, system availability, training sessions for other level 1 and level 2...
SAIC
May 13, 2026
Senior Systems Administrator and Network Specialist
SAIC MD
Description The Vanguard 2.2.1 program is seeking a qualified professional to perform as an operations technical resource in support of the Department of State's (DoS) Bureau of Information and Resource Management (IRM). The operations organization provides administrator levels 1/2/3 Information Technologies (IT) support for Microsoft active directory and domain controllers' technologies to domestic and overseas embassies and consulates. The candidate will be responsible for the operations and maintenance of production systems. This includes proactive and corrective maintenance duties, incident management, event management, service request fulfillment, problem management and performance management. The position also requires the proven ability to ensure the highest standard of system maintenance, monitor system performance, install windows server software (patches, etc.), maintain reliable system operation, system availability, training sessions for other level 1 and level 2...
Lockheed Martin
May 12, 2026
Windows & Linux Systems Administrator Staff
Lockheed Martin Fort Meade, MD
Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK: The GG System Administrator is a senior level role that blends enterprise system administration (Linux & Windows) with full cycle network engineering, including design, deployment, and...
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