Corporate Gray Online
  • Jobs
  • Companies
  • Post a Job
  • Resume Search
  • Employer Products
  • Job Seeker Products
  • Resources
  • Corporate Gray
  • Absolutely American
  • Proud American E-zine
  • Military Minute Podcast
  • Military Officer Career Conference
  • Sign in
  • Sign up
  • Jobs
  • Companies
  • Post a Job
  • Resume Search
  • Employer Products
  • Job Seeker Products
  • Resources
  • Corporate Gray
  • Absolutely American
  • Proud American E-zine
  • Military Minute Podcast
  • Military Officer Career Conference

425 system administrator jobs found

Refine Search
Current Search
United States Onsite system administrator
Refine by Job Categories
Information Technology  (253) Security Clearance  (99) Management  (34) Law Enforcement  (28) Engineering  (23) Program Management  (18)
Legal  (16) Finance  (13) Accounting  (10) Manufacturing  (8) Electronics  (8) Admin-Clerical  (3) Executive  (3) Marketing  (3) Business Development  (2) Facilities  (2) Energy  (2) Customer Service  (1) Government  (1)
More
Refine by State
Texas  (65) Colorado  (59) Florida  (47) Pennsylvania  (44) Virginia  (24) Massachusetts  (21)
Maryland  (20) California  (19) New Jersey  (18) Connecticut  (14) Arizona  (13) Alabama  (12) Arkansas  (9) Ohio  (7) Georgia  (5) New York  (5) Utah  (5) District of Columbia  (4) Kentucky  (4) Nevada  (4)
More
Refine by City
King of Prussia  (42) Fort Worth  (38) Orlando  (25) Littleton  (16) Grand Prairie  (14) Huntsville  (12)
Moorestown  (12) Colorado Springs  (11) Stratford  (11) Highlands Ranch  (10) Pittsfield  (9) Arlington  (8) Boulder  (8) Sunnyvale  (8) Dayton  (7) Centennial  (6) Eglin Air Force Base  (6) Camden  (5) Cape Canaveral  (5) Englewood  (5)
More
Refine by Company Name
Lockheed Martin  (331) General Dynamics Mission Systems, Inc  (34) Odyssey Systems Consulting Group  (26) LMI  (17) DLH  (8) Arrow Electronics  (6)
TRISTAR INC  (2) Command Investigations LLC  (1)
More
Refine by Employment Type
Full time  (27)
Lockheed Martin
Jun 25, 2026
Senior System Administrator
Lockheed Martin King of Prussia, PA
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...
Lockheed Martin
Jun 24, 2026
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...
Lockheed Martin
Jun 24, 2026
Multi-Function Info Systems, System Administrator (Barnes ANGB)
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...
General Dynamics Mission Systems, Inc
Jun 17, 2026
Linux System Administrator - Service Desk
General Dynamics Mission Systems, Inc San Antonio, TX
Basic Qualifications Master's degree. Bachelor's degree in a specialized area or equivalent relevant experience is required; plus, a minimum of 2 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   Join the dynamic SPRINT Next Team as a Linux Systems Administrator - Service Desk specializing in Red Hat and PitBull technologies. PitBull is a highly secure operating system designed for environments that require strict security controls and data protection....
General Dynamics Mission Systems, Inc
Jun 17, 2026
Operations Linux System Administrator - Web/DB/Cloud
General Dynamics Mission Systems, Inc San Antonio, TX
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...
Odyssey Systems Consulting Group
Jun 15, 2026
Full time
Senior System Administrator
Odyssey Systems Consulting Group MA
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,...
General Dynamics Mission Systems, Inc
Jun 11, 2026
Senior SIPRNet System Administrator
General Dynamics Mission Systems, Inc Scottsdale, AZ
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...
Lockheed Martin
Jun 02, 2026
System Administrator Field Service Representative (FSR)
Lockheed Martin Fort Worth, TX
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...
Lockheed Martin
May 23, 2026
F-22 System Administrator (Level 2), Secret Clearance
Lockheed Martin Joint Base Pearl Harbor Hickam, HI
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,...
Lockheed Martin
May 23, 2026
System Administrator Senior Staff
Lockheed Martin MD
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...
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
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...
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
Jun 19, 2026
IMIS System Administrator, F-22 - Level 3
Lockheed Martin Hill Air Force Base, UT
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...
Lockheed Martin
Jun 06, 2026
Classified IT System Administrator, Sr / 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
May 23, 2026
System Administrator / OMS / ALIS / Luke AFB
Lockheed Martin AZ
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 The OMS/ALIS Systems Administrator serves as the primary custodian for training system readiness and operational continuity at Luke AFB. This role oversees the full lifecycle of system installations, upgrades, and...
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
Jun 25, 2026
System Administrator (Tyndall AFB)
Lockheed Martin Tyndall Air Force Base, 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 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
Jun 19, 2026
System Administrator, Sr / TS/SCI / Onsite: CO
Lockheed Martin Littleton, CO
Description: 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 employees work with our partners around the world to bring the latest technology 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 70 countries. This Enterprise Operations (EO) position supports the Lockheed Martin Space division located in Denver, CO. The selected candidate will be responsible for providing support to the critical programs under the responsibility of the Space Division. This IT professional will ensure that the Lockheed Martin IT systems are managed, controlled, and compliant with the Corporate Information Protection Manuals (CIPM). This includes upgrades, operations and maintenance, hardware and software installations, and service requests (servers, workstations, containers,...
DLH
Jun 18, 2026
PITCO Project Coordinator | Senior System Administrator (Job 1263)
DLH Norfolk, VA
About Us DLH delivers improved health and national security readiness solutions for federal programs through science research and development, systems engineering and integration, and digital transformation. Our experts in public health, performance evaluation, and health operations solve the complex problems faced by civilian and military customers alike by leveraging advanced tools – including digital transformation, artificial intelligence, data analytics, cloud enablement, modeling, and simulation, and more. With over 2,400 employees dedicated to the idea that “Your Mission is Our Passion,” DLH brings a unique combination of government sector experience, proven methodology, and unwavering commitment to innovation to improve the lives of millions. Overview Are you a senior systems professional who thrives in high-tempo, mission-critical environments? Do you bring both deep technical expertise and the discipline required to drive complex...
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Create Resume
  • Sign in
  • Facebook
  • X
  • Instagram
  • LinkedIn
© 2008-2026 Corporate Gray, powered by Absolutely American, Inc.