388 system administrator jobs found

Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently September 2026. Any job offers extended to chosen candidates will include a contingency clause stating that the offer is dependent on Lockheed Martin securing the contract.*** Position details: Location: King of Prussia, PA Work Schedule: 9x80 Position type: Full-time onsite (this is not a hybrid position) _____________________________________________ 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, in-vest, 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...

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...

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...

Description SAIC has an immediate need for a System Administrator that can troubleshoot and resolve Tier 1-2 operational tickets as part of a 24/7/365 operations located in either location Charleston, SC or New Orleans, LA. This is a hybrid/remote role; however, the candidate MUST be within 30 miles of either location. NOTE: this is a 3rd shift position (12:00a-8:00aEST) Tuesday-Saturday (subject to adjust for peer/customer support) Typical Duties Include: Acknowledge or receive Priority 1 system outages then troubleshoot Troubleshooting system admin related hosting outages and operational tickets Work with application team and other team members to resolve outages Report outages and issues to data center team members, leadership and program teams Perform software updates and patches, as necessary Use of monitoring systems such as SolarWinds and SPLUNK Manage Active Directory, group policy and Account issues Interpret technical information to create...

Description SAIC has an immediate need for a System Administrator that can troubleshoot and resolve Tier 1-2 operational tickets as part of a 24/7/365 operations located in either location Charleston, SC or New Orleans, LA. This is a hybrid/remote role; however, the candidate MUST be within 30 miles of either location. NOTE: this is a 3rd shift position (12:00a-8:00aEST) Tuesday-Saturday (subject to adjust for peer/customer support) Typical Duties Include: Acknowledge or receive Priority 1 system outages then troubleshoot Troubleshooting system admin related hosting outages and operational tickets Work with application team and other team members to resolve outages Report outages and issues to data center team members, leadership and program teams Perform software updates and patches, as necessary Use of monitoring systems such as SolarWinds and SPLUNK Manage Active Directory, group policy and Account issues Interpret technical information to create...

Description SAIC is currently hiring a System Administrator to support Ground Intelligence Support Activity (GISA) Fort Gordon, GA. This role supports a 24/7 Service environment and the SA will support a rotating-shift work schedule. Job Description : Serve as part of a support team and will be available to respond to the issues defined by GISA; candidates will provide support for SAN integration, configuration and Level I/II sustainment of GISA CI, as well as System Administration for Windows and Linux systems and other application expertise on emerging systems Provide support to the underlying system architecture management applications like VMWare Virtual Center, and other "platform" tools supporting configuration, monitoring, and documentation Assist in the installation and maintenance of the Virtual Environment VM 8.03 for four (4) networks, and will maintain VDI functionality Assist in TTC and TGS integration and maintenance for Operational Ground Station...

Basic Qualifications Master's degree, plus 3 years of relevant experience. Bachelor's degree in a specialized area or equivalent relevant experience is required; plus, a minimum of 5 years of relevant experience.   CLEARANCE REQUIREMENTS: Current or active Department of Defense Top Secret clearance with SCI eligibility required with ability to obtain a 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 J oin the dynamic SPRINT Next Team as a Linux Systems Administrator specializing in Red Hat and PitBull technologies with an emphasis on web servers, databases, and cloud-based infrastructure knowledge. What You'll Experience Hands-on...

Position Summary Odyssey Systems has an exciting opportunity for a Senior Systems Administrator  providing support to the Air Force Life Cycle Management Center-Ground Base Air Defense Sensor division (AFLCMC/ESG).   The ESG Division manages efforts focused on developing, acquiring, fielding and sustaining programs that support worldwide communications, Battle Management, Command & Control, Intelligence, Surveillance & Reconnaissance (C2ISR), Air/Ground Surveillance, Time Critical Targeting, Combat Identification, Radar Imagery, Integrated Air/Missile Defense, and Mobile/Fixed C2ISR Performance, Exploitation & Dissemination Facilities.   This is a full-time position located at Hanscom AFB, MA   Responsibilities Duties include, but not limited to:    • Develop and maintain a range of system security documents, including System Security Management Plans, Program Protection Plans, OPSEC Plans,...

Description SAIC is seeking a System Administrator Associate to be managing and maintaining systems across Windows, macOS, and/or Linux platforms across multiple networks in support of the Army Research Laboratory in Adelphi, MD . Work is performed on site. You will be a part of a diverse team supporting globally distributed information systems, responsible for the analysis, administration, voice, video, and data communications networks. Join our dynamic team at a top-tier organization, where work-life balance and employee well-being take center stage. This exciting opportunity lets you contribute to cutting-edge projects while safeguarding our national security. Job Responsibilities: Install, configure, and troubleshoot servers and workstations, ensuring optimal performance and security Manage Windows Server environments and support Active Directory, Group Policy, and MECM operations Install and configure operating systems and software updates following Security...

Basic Qualifications Education Requirements: Bachelor's degree in Computer Science, a related field or equivalent combination of education and relevant work 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 Secret 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...

Description: ** Assignment will relocate to an undisclosed location that will be discussed during candidate interviews** This position is with Advanced Development Programs (ADP), known as the historic Skunk Works. We are looking for world-class talent for this position to join the 75+ year tradition of creating advanced aircraft and technology. The candidate will join an ADP effort as a System Administrator Field Service Representative (FSR) on the Air Base Air Defense System-Missile Defense (ABAD-MD) program. The ABAD program was developed to provide Air Force air bases and other critical infrastructure with networked, resilient air-defense capability that can execute the full kill-chain against airborne threats. The system will deliver a tactical operational picture aligned with Joint Integrated Air and missile Defense (IAMD) and Joint All-Domain Command and Control (JADC2) theater capabilities, while providing point-defense through command and control of organic sensors...

Description: Join the Lockheed Martin Aeronautics Field Sustainment Team as an F-22 System Administrator for our Hickam Airforce Base in Hawaii. Our team is responsible for operational support to active fighter units world-wide as an administrator for the Integrated Maintenance Information Systems servers. What You Will Be Doing As critical members of the F-22 Field Operations Team, all Integrated Maintenance Information Systems (IMIS) Administrators must be able to: • Perform daily data back ups • Pull data from Fort Worth servers and load to local servers. • Maintaining related hardware and software • Must be able to obtain and maintain Special Access Program clearance required for program access • Must be 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,...

Description: WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. 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 In this role you will: • Serve as the senior system administrator with extensive experience supporting Windows‑based desktops, laptops, and virtual server environments. • Manage and maintain...

Description SAIC is seeking an Application Systems Administrator to join our team and play a critical role in managing hybrid cloud and client/server-based systems. This role directly supports the performance, security, and reliability of the program's business systems, ensuring seamless operations and scalability. As an Application Systems Administrator, you will address server-related issues for COTS applications, collaborate on system build & configuration, and support end users who rely on business systems. Success in this position requires technical expertise in system operations, the applications software development lifecycle, a commitment to continuous improvement, and a collaborative mindset. ONSITE: 5 Days a week Wash. DC. Key Responsibilities System Administration: Manage, maintain, and optimize client/server-based and hybrid cloud-based and business application systems. Identify and resolve application-related issues while working closely with...

Description SAIC is currently hiring for a System Administrator in North Charleston, SC. Job Duties: Take full ownership of the day-to-day stability and performance of a dedicated infrastructure stack built on Cisco computing, VMware, and NAS storage. Act as the first responder for hardware and platform-level incidents, applying strong, methodical troubleshooting skills to diagnose and resolve issues. Manage, maintain, and troubleshoot network components, with a focus on Cisco and Juniper OS, including switches, routers, and VPNs. Work with a high degree of autonomy to manage the health of the hypervisor environment, collaborating with senior engineers when issues require escalation beyond the platform level. Contribute to the administration of hosted services, with an emphasis on supporting and maintaining our Kubernetes (k8s) infrastructure. Work alongside senior system engineers to learn established best practices and progressively take on more system...

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...

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...

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...

Description: Join the Lockheed Martin Aeronautics Field Sustainment Team as an IT Systems Administrator for our Hill AFB, Utah office. As critical members of the F-22 Depot 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. What You Will Be Doing: 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 customer inquiries, field any questions and/or concerns and troubleshoot any reported problems. You will be assigned tasks in most IMIS administrative roles to further develop your skills and increase capabilities within the IMIS...

Description SAIC is seeking a Systems Administrator for the Joint Expeditionary Command and Control (JEXC2) program in Port Hueneme, CA. The qualified candidate will support the Joint & Expeditionary Command and Control (JEXC2) program, providing IT support to expeditionary C2 and C4I military systems. Job Responsibilities: • Work on deployable IT systems that communicate over satellite. • Development and integration of new software and technology. • Management of trouble tickets and reporting of issues and actions taken daily and weekly. • Communicate effectively with end users via phone, email, chat, etc. • Troubleshoot and resolve customer issues in timely manner according to mission guidelines. • Installation of new hardware or software. • Creating and managing user accounts. • Maintaining computer systems such as servers and databases. • Planning and properly responding to system outages and various other problems. • May include light programming or...