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23 systems administrator jobs found

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General Dynamics Mission Systems, Inc
Mar 09, 2026
Enterprise Operations Linux Systems Administrator
General Dynamics Mission Systems, Inc San Antonio, TX, USA
Basic Qualifications Bachelor’s degree in a 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 is required at time of hire. Candidates must be able to obtain a Polygraph within reasonable amount of time.  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...
Lockheed Martin
Mar 04, 2026
Systems Engineer Stf
Lockheed Martin Jacksonville, AR, USA
Description: b>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. THE WORK The Training Device Systems Engineer (SE) is a multi-discipline role and reports directly to the C-130J MATS TSSC Engineering Manager. Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for fielded Aircrew and Maintenance Training Devices. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation...
Lockheed Martin
Feb 25, 2026
Security Systems Specialist & Technical Operations
Lockheed Martin King of Prussia, PA, USA
Description: Current Secret with ability to obtain TS/SCI access. The Security Systems Specialist & Technical Operations performs a variety of activities on security systems. The activities ensure compliance with applicable LM policies and US Government secure facility design requirements in CFR 117, ICD 705, and applicable UFC guides and system. Responsibilities include: - Performs a variety of activities on information systems utilized in the Security organization including data extraction and report generation. - Requires proficiency in physical security systems applications for video surveillance, security alarms, access control systems. - Provides definitive security system requirements for proprietary areas, and system level requirements for classified program areas in conjunction with the Physical Security and Accreditation Branch for their application. - Recommends and assists in the development and enforcement of LM Space enterprise standards for these...
Lockheed Martin
Apr 08, 2026
Security Generalist/Luke AFB, AZ - Level 1
Lockheed Martin AZ, USA
Description: What We’re Doing: Lockheed Martin’s, Rotary & Mission Systems (LM RMS), Program Security and Compliance invites you to step up to one of today’s most daunting challenges: the protection of exquisite government capabilities leading to warfighter supremacy against our peer and near peer adversaries. As a program security professional at Lockheed Martin, you’ll safeguard the sensitive information and warfighting capabilities that our citizens and the world depend upon to protect U.S. and ally interests. Here, you’ll work alongside other program security experts and military members to support their military operational objectives by providing them with a safe and secure operating environment. 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 these exquisite capabilities protected. The Work: This position is located at Luke AFB, AZ and will support F-35 security...
Lockheed Martin
Apr 08, 2026
Security Representative
Lockheed Martin Las Vegas, NV, USA
Description: Lockheed Martin Aeronautics Company, home of the world-renowned Skunk Works®, turns visionary aircraft into reality and is known for building the finest military aircraft in the world. This recognition is continually earned through our commitment to relentless research and development of high-performance aircraft, continuously seeking innovative, low-cost design and manufacturing strategies, and delivering operational readiness for our customers' missions to ensure continued relevancy for the life cycle of our products. Lockheed Martin is looking for an experienced security professional to support an emerging program on the Advanced Development Programs (ADP), Enduring Program’s branch inside the Security & Emergency Services (SES) organization. Seeking a skilled and motivated Contractor SAP Security Officer (CSSO) with strong Special Access Program (SAP) understanding and experience with an all-embracing knowledge to support Development, Production, and...
Lockheed Martin
Apr 08, 2026
Security Supervisor / Infrastructure Protection / Camden, AR
Lockheed Martin Camden, AR, USA
Description: **Must have the ability to work Third Shift** You will be a Security Supervisor/Infrastructure Protection/Crisis Manager for our team in Camden, Arkansas. Our team is responsible for ensuring the safety and security of our facilities, employees, and assets, while complying with relevant regulations and guidelines. What You Will Be Doing As a Security Supervisor/Infrastructure Protection/Crisis Manager, you will be responsible for ensuring compliance with national security standards, interpreting and implementing governmental policies, and representing the site security manager during your shift. You will also administer and support critical physical security technology platforms, support enterprise physical security initiatives, and develop and administer policies and procedures for DoD activities. Your responsibilities will include: • Ensuring compliance with the National Industrial Security Program Operating Manual (NISPOM), ICD 705, Underwriter Laboratories...
Lockheed Martin
Apr 07, 2026
Security Generalist/Luke AFB, AZ - Level 2
Lockheed Martin AZ, USA
Description: What We’re Doing: Lockheed Martin’s, Rotary & Mission Systems (LM RMS), Program Security and Compliance invites you to step up to one of today’s most daunting challenges: the protection of exquisite government capabilities leading to warfighter supremacy against our peer and near peer adversaries. As a program security professional at Lockheed Martin, you’ll safeguard the sensitive information and warfighting capabilities that our citizens and the world depend upon to protect U.S. and ally interests. Here, you’ll work alongside other program security experts and military members to support their military operational objectives by providing them with a safe and secure operating environment. 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 these exquisite capabilities protected. The Work: This position is located at Luke AFB, AZ and will support F-35 security...
Lockheed Martin
Apr 07, 2026
Security Assistant, Secret Clearance, Hourly - Orlando, FL
Lockheed Martin Orlando, FL, USA
Description: Lockheed Martin’s Security Operations Center (LMSOC) is seeking a seasoned Security Assistant Senior Specialist to support our consolidated personnel security clearance or pre employment screening programs. The incumbent will provide advanced security services for domestic and international operations, supporting both internal security professionals and external government agencies. This role requires knowledge of personnel security processes, and a strong ability to navigate complex environment. The selected candidate must exercise independent judgment and decision making and be able to work with minimal supervisory oversight. Day to day tasks may include: - Defense Information System for Security (DISS) administration - Security Information Management System (SIMS) administration - Security Central system administration - Applicant tracking system - Analyzing clearance and pre-employment data to determine appropriate actions - Researching and resolving...
Lockheed Martin
Apr 01, 2026
Security Supervisor/Infrastructure Protection/Grand Prairie, TX/Secret
Lockheed Martin Grand Prairie, TX, USA
Description: **Work Schedule is Thursday, Friday, Saturday and Sunday Work hours (estimate and subject to change): 10PM-8AM** Lockheed Martin Missiles and Fire Control (MFC) business, the leading provider and pioneer for superior weapon systems, sensors, and services is seeking am Infrastructure / Facilities Protection Security Supervisor to join the MFC Security Team in Grand Prairie, TX. You will be an Infrastructure Protection Security Supervisor for our team in Grand Prairie, Texas. Our team is responsible for ensuring the safety and security of our facilities, employees, and assets, while complying with relevant regulations and guidelines. What You Will Be Doing As an Infrastructure Protection Supervisor, you will be responsible for ensuring compliance with national security standards, interpreting and implementing governmental policies, and representing the Infrastructure Protection Security Manager during your shift. You will also administer and support critical...
Lockheed Martin
Mar 31, 2026
Classified Cyber Security / COMSEC Custodian / Troy AL
Lockheed Martin Troy, AL, USA
Description: The selected candidate will join the MFC Classified Cybersecurity Team as a COMSEC Custodian supporting Special Access Programs (SAP) and collateral Programs, located in Troy, AL to ensure classified information systems (IS) meet cybersecurity requirements and government directives. Responsibilities include, but are not limited to, detailed knowledge in cryptographic techniques, including crypto key receipt and distribution; operations of managing a COMSEC Account; install crypto keys and troubleshoot COMSEC equipment; provide COMSEC support/oversight to establish secure voice and data links as required; and ensure COMSEC compliance in support of successful government reviews. The candidate will support the development/administration of a robust COMSEC Training Program for the COMSEC user community on the handling of keying material, job aids and equipment; manage a COMSEC Material Control System and inventory process; safeguard/account for classified and...
Lockheed Martin
Mar 31, 2026
Information Systems Security Officer ISSO - Cyber Security - Level 2
Lockheed Martin Palmdale, CA, USA
Description: Lockheed Martin Aeronautics. Be More Than You Can Imagine. 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 cyber security professionals seeking a place to make their mark –or for seasoned cyber security professionals seeking their next career challenge. Join us and see where your Lockheed Martin Aeronautics journey will take you. As an Information Systems Security Officer (ISSO) you will join the Classified Cyber Security Team supporting Department of Defense (DoD) programs to ensure classified information systems meet cyber security requirements and government directives. In this role, you will leverage your technical skills to: •Interpret the Joint Special Access Program Implementation Guide (JSIG) in determining technical Information Assurance (IA) requirements, conduct cyber risk assessment activities including...
Lockheed Martin
Mar 28, 2026
Information Systems Security Officer, Classified Cybersecurity
Lockheed Martin Cape Canaveral, FL, USA
Description: This position will perform duties as a Classified Cybersecurity Information Systems Security Officer (ISSO) for the LM Space facility in Cape Canaveral, FL. Classified Cybersecurity Analysts help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability and commercial use. The work that Cybersecurity Analysts do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline. - You can enjoy a work-life balance that allows for flex hours and a family-first culture. Key Responsibilities of this role includes: - Oversee day-to-day information system security...
Lockheed Martin
Mar 24, 2026
Information Systems Security Manager / Classified Cyber Security Mgr
Lockheed Martin Orlando, FL, USA
Description: Unleash your cybersecurity prowess to shield the heartbeat of technological evolution. Your role goes beyond securing products; it's about empowering the builders of tomorrow, whether they're on the frontlines, exploring the cosmos, or shaping industries. Lockheed Martin Enterprise Operations is seeking a Classified Cyber Security Manager and Information System Security Manager to join our team’s efforts in supporting and defending classified networks hosted at the corporate level. The Enterprise Operations team of cyber security professionals are Subject Matter Experts (SME) supporting Department of Defense (DoD) programs to ensure classified information systems meet cyber security requirements and government directives by auditing, detecting, analyzing and mitigating cyber threats across multiple Enterprise networks. The work that our team does can be summarized in this way: • You will have a direct impact to national security, ultimately contributing to...
Lockheed Martin
Mar 24, 2026
Security Rep Asc
Lockheed Martin Orlando, FL, USA
Description: Lockheed Martin’s Security Operations Center (LMSOC) is seeking a Security Rep Asc to support our consolidated personnel security clearance program. The incumbent will provide advanced security services for domestic and international operations, supporting both internal security professionals and external government agencies. This role requires knowledge of personnel security processes, and a strong ability to navigate complex environment. The selected candidate must exercise independent judgment and decision making and be able to work with minimal supervisory oversight. Day to day tasks may include: - Defense Information System for Security (DISS) administration - Security Information Management System (SIMS) administration - Security Central system administration - Analyzing clearance data to determine appropriate actions - Providing support for special program driven actions - Researching and resolving escalated clearance tickets - Providing efficient customer...
Lockheed Martin
Mar 17, 2026
Information System Security Officer, Classified Cybersecurity
Lockheed Martin Cape Canaveral, FL, USA
Description: Lockheed Martin Space (LMS) is seeking a Classified Cybersecurity Information Systems Security Officer (ISSO) supporting the Fleet Ballistic Missile (FBM) program. This position is located in Cape Canaveral, FL. The selected candidate will conduct daily cybersecurity operations, to include auditing, creating information system authorization packages, and implementing cybersecurity requirements for both classified and unclassified information systems. The position requires a current Secret clearance and the ability to obtain a Top Secret security clearance. Candidates should possess 1 to 3 years of related experience and may have a post secondary degree. Key Responsibilities of this role include: • Carry out technical administration of an Information System in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF). • Upkeep, monitor, analyze, and respond to network and security events. • Document compliance...
LMI
Mar 16, 2026
Senior Business Analyst
LMI Alexandria, VA, USA
Overview LMI is seeking an experienced Senior Business Analyst at the Department of Homeland Security (DHS), Federal Protective Service (FPS) headquarters in Alexandria, VA.  This position will support the FPS Office of Professional Responsibility with a myriad of analytical and business process matters impacting criminal and administrative investigations.  In addition, the incumbent will provide critical operational support and integration of new or improved programs and processes across the organization. You must be able to work on client site full-time in Alexandria, VA (ad hoc telework flexibility may be available).     LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed.  Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and...
General Dynamics Mission Systems, Inc
Mar 13, 2026
Advanced Security Specialist / CPSO
General Dynamics Mission Systems, Inc Bloomington, MN, USA
Basic Qualifications Bachelor’s degree in Administration of Justice, Criminal Justice, Law Enforcement or related field or the equivalent is required plus a minimum of 5 years relevant experience; or Master's degree plus a minimum of 3 years relevant experience. General Dynamics experience is strongly preferred. CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense TS/SCI 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 Help make the technologies, products and services that make a difference. That’s the opportunity that’s waiting for you at General Dynamics Mission Systems. We help our nation’s heroes keep our nation safe by creating...
Lockheed Martin
Mar 09, 2026
Classified Cyber Security Sr
Lockheed Martin Huntsville, AL, USA
Description: What We’re Doing: 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 and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, and education. As a cyber security professional at Lockheed Martin, you’ll safeguard the sensitive information and warfighting capabilities that our citizens and the world depend upon to protect U.S. and ally interests. Here, you’ll work alongside other cyber security experts and military members to support their military operational objectives by providing them with a safe and secure operating environment. 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 these exquisite capabilities protected. We are looking for an individual to serve as a Information System...
Lockheed Martin
Mar 05, 2026
Information System Security Officer, Classified Cybersecurity
Lockheed Martin Colorado Springs, CO, USA
Description: Current Secret clearance required with ability to obtain Top Secret clearance. This role will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) in Colorado Springs, CO. ISSOs help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability and commercial use. The work that ISSOs do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline - You can enjoy a work-life balance that allows for flex hours and a family-first culture Key Responsibilities of this role...
Lockheed Martin
Mar 05, 2026
Information System Security Officer (ISSO)
Lockheed Martin Boulder, CO, USA
Description: This position requires a Final Secret clearance with ability to obtain and maintain Top Secret clearance. The Cybersecurity Analyst will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) in Boulder, Colorado. Classified Cybersecurity Analysts help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability, and commercial use. The work that Cybersecurity Analysts do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline - You can enjoy a work-life balance that allows for flex...
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