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14 systems administrator jobs found

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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...
Lockheed Martin
May 01, 2026
Physical Security Emerging Technology Lead / FL or TX
Lockheed Martin Grand Prairie, TX
Description: You will be the Physical Security Emerging Technology Lead for the Missiles and Fire Control (MFC) Security team. Our team is responsible for managing core security platforms, ensuring compliance, and driving physical security strategy across the business area. What You Will Be Doing Lockheed Martin MFC Physical Security Emerging Technology Lead is the subject matter expert and chief systems administrator for the business’s core security platforms—access control, video management, and intrusion detection, among many others. You will ensure that enterprise security standards are consistently applied and effectively integrated across every MFC site. You will also oversee high visibility corporate-wide projects to introduce large scale emerging technology and systems, consolidate and streamline current operations, and keep pace with the business’ multi-billion dollar investment in facilities master planning. Success will look like ensuring MFC Security operations...
General Dynamics Mission Systems, Inc
Jun 17, 2026
Cyber Security Analyst - SIEM Engineer
General Dynamics Mission Systems, Inc San Antonio, TX
Basic Qualifications Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 8 years of relevant experience; or Master's degree plus a minimum of 6 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   We are seeking a highly skilled and experienced Cyber Security Analyst / SIEM Engineer to join our SPRINT Next program team in San Antonio, Texas . In this position, you will serve as a security engineer responsible for administering and...
General Dynamics Mission Systems, Inc
Jun 01, 2026
Junior Network Administrator
General Dynamics Mission Systems, Inc San Antonio, TX
Basic Qualifications Associate's degree in related discipline or equivalent combination of education and relevant work experience is required plus a minimum of 3 years of relevant experience.   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 Role and Position Objectives: Join our team as a Junior Network Administrator for Space, Cyber and Intelligence Systems! You'll work alongside experienced network and IT professionals supporting enterprise network infrastructure, secure communications, and network security operations. This is a great opportunity to build foundational...
Lockheed Martin
Jun 09, 2026
Security Supervisor/Infrastructure Protection/Grand Prairie, TX
Lockheed Martin Grand Prairie, TX
Description: **Third Shift** 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 physical security role, support enterprise physical security initiatives, and develop and administer...
Lockheed Martin
Jun 02, 2026
Security Sr Manager
Lockheed Martin Fort Worth, TX
Description: Lockheed Martin’s Aeronautics business, home of the F-35 Lightning II fighter, is looking for an experienced leader to become the Senior Manager of Facility Protection at Air Force Plant 4 in Fort Worth. The Facility Protection Sr Manager will report to the Fort Worth Security & Emergency Services (SES) Director and will be responsible for security oversight of the Fort Worth, Air Force Plant #4 site. The primary objective of the Facility Protection department is to safeguard personnel and property while maintaining compliance with customer facility security and fire requirements. Principle disciplines include Fire Protection and Emergency Medical Services comprised of represented proprietary firefighters/inspectors/EMTs and professional fire protection engineers, Emergency Management, Security Forces Operation comprised of armed Contact Security Services, Parking Administration, and Physical Security systems. Operations include a large workforce of over 20,000...
Lockheed Martin
May 23, 2026
Subcontract Manager Staff
Lockheed Martin Grand Prairie, TX
Description: You will be the Subcontract Manager for the Lower Tier Air & Missile Defense team. Our team drives the Evolutionary Development effort for Lockheed Martin’s critical Air and Missile Defense programs, partnering directly with program managers, engineers, supplier quality, and subcontractor leadership to secure producible, cost‑effective solutions early in the design cycle. What You Will Be Doing As the Subcontract Manager you will be responsible for overseeing all subcontract activities that support a major corporate‑focus development effort. You’ll serve as the primary liaison between Lockheed Martin and our lower‑tier suppliers, ensuring contracts are executed flawlessly, risks are mitigated, and delivery schedules are met. Your responsibilities will include: • Managing the full life cycle of subcontracts — drafting, negotiating, awarding, and closing out agreements. • Conducting subcontract administration and procurement tasks, including purchase order...
Lockheed Martin
May 23, 2026
Subcontract Manager Staff
Lockheed Martin Grand Prairie, TX
Description: You will be the Subcontract Manager for the Lower Tier Air & Missile Defense team. Our team drives the Evolutionary Development effort for Lockheed Martin’s critical Air and Missile Defense programs, partnering directly with program managers, engineers, supplier quality, and subcontractor leadership to secure producible, cost‑effective solutions early in the design cycle. What You Will Be Doing As the Subcontract Manager you will be responsible for overseeing all subcontract activities that support a major corporate‑focus development effort. You’ll serve as the primary liaison between Lockheed Martin and our lower‑tier suppliers, ensuring contracts are executed flawlessly, risks are mitigated, and delivery schedules are met. Your responsibilities will include: • Managing the full life cycle of subcontracts — drafting, negotiating, awarding, and closing out agreements. • Conducting subcontract administration and procurement tasks, including purchase order...
Lockheed Martin
May 12, 2026
Systems Engineer Stf - Level 4
Lockheed Martin Fort Worth, TX
Description: We are Lockheed Martin This position is with the Ground Systems Mission Planning Environment (MPE) Hardware/Software Integration (HSI) team in Fort Worth, TX. The MPE HSI team is responsible for providing MPE hardware and software integration support, familiarization training, user documentation creation and maintenance, troubleshooting, and field support to US and international locations. The Cyber Security Lead is responsible for providing MPE internal Continuous Monitoring Security Technical Implementation Guide (STIG) compliance testing, risk analysis and assessments, and provide fix actions or mitigation rationale for open findings. This position will support IAVM patch releases, firmware updates, vulnerability identification, Security Center (Nessus)/ACAS system-level scans, system regression testing, security assessment test events, and provide lab environment cyber security. What You Will Be Doing - Team Lead for all quarterly/annual Cyber Security...
Lockheed Martin
May 12, 2026
F-35 CLASSIFIED CYBERSECURITY SECURITY TOOL LEAD
Lockheed Martin Fort Worth, TX
Description: This position will report to the Fort Worth, Texas F-35 Classified Cybersecurity Subcontract and Compliance Manager. As a F-35 Classified Cybersecurity Security Tool team member the candidate will be supporting Special Access Programs (SAPs) and you will ensure classified Information Systems (IS) meet cybersecurity requirements and government directives. Interpret the Joint Special Access Program (SAP) Implementation Guide (JSIG) in determining technical Information Assurance (IA) requirements and ensure proper security implementation of the Risk Management Framework (RMF). As a member of the F-35 Security Tool team you will ensure coverage and proper security tool implementation across interconnected WANs, ISOLAN, standalone, and Lab environments. You will assist in determining technical Information Assurance (IA) requirements and ensure proper security implementation of the Risk Management Framework (RMF). You will identify systems and tools to improve security....
General Dynamics Mission Systems, Inc
May 01, 2026
Lead Systems Integration Engineer
General Dynamics Mission Systems, Inc San Antonio, TX
Basic Qualifications Master's degree, plus 6 years of relevant experience. Bachelor's degree in a specialized area or equivalent relevant experience is required; plus, a minimum of 8 years of relevant experience.   CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance is required at time of hire. Must be able to obtain Polygraph. 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 Job Opportunity: Lead Systems Integration Engineer at General Dynamics Mission Systems   Position Overview: Join our team to help architect and lead mission-critical systems that keep people safe. As a Lead Systems Integration Engineer , you'll serve as a strategic technology leader...
Lockheed Martin
Apr 30, 2026
Cyber System Security Engineer Sr
Lockheed Martin Fort Worth, TX
Description: Company Overview : At Lockheed Martin, we unite passionate individuals to drive purposeful innovation, ensuring safety and solving the world's most complex challenges. Our team comprises some of the brightest minds in the industry, making Lockheed Martin an exceptional place to work. We prioritize our employees by offering many career opportunities that promote development and agility. With flexible schedules, competitive pay, and comprehensive benefits, we empower our employees to lead healthy, fulfilling lives both at work and beyond. At Lockheed Martin, we emphasize innovation, integrity, and corporate responsibility. Your mission is ours. Key Responsibilities : The Cyber Systems Security Engineer Sr will be responsible for leading a team of fellow engineers in the designing, assembly, integration, and maintenance of System Integration Lab (SIL). This includes network planning, hardware installation, software integration support, verification, and validation of...
Lockheed Martin
Apr 21, 2026
Cyber System Security Engineer Sr
Lockheed Martin Fort Worth, TX
Description: Company Overview : At Lockheed Martin, we unite passionate individuals to drive purposeful innovation, ensuring safety and solving the world's most complex challenges. Our team comprises some of the brightest minds in the industry, making Lockheed Martin an exceptional place to work. We prioritize our employees by offering diverse career opportunities that promote development and agility. With flexible schedules, competitive pay, and comprehensive benefits, we empower our employees to lead healthy, fulfilling lives both at work and beyond. At Lockheed Martin, we emphasize innovation, integrity, and corporate responsibility. Your mission is ours. Key Responsibilities : The Cyber Systems Security Engineer Sr will be responsible for working with the team of fellow engineers in the designing, assembly, integration, and maintenance of a like family of different Command and Control (C2) System of Systems. This includes network planning, hardware installation, software...
Lockheed Martin
Apr 16, 2026
Cyber Sys Secur Engr Asc Mgr
Lockheed Martin Fort Worth, TX
Description: Company Overview : At Lockheed Martin, we unite passionate individuals to drive purposeful innovation, ensuring safety and solving the world's most complex challenges. Our team comprises some of the brightest minds in the industry, making Lockheed Martin an exceptional place to work. We prioritize our employees by offering diverse career opportunities that promote development and agility. With flexible schedules, competitive pay, and comprehensive benefits, we empower our employees to lead healthy, fulfilling lives both at work and beyond. At Lockheed Martin, we emphasize innovation, integrity, and corporate responsibility. Your mission is ours. Key Responsibilities : At Lockheed Martin we recognize today’s challenges and the need to fuse these disciplines to reshape our future capabilities, enabling us to deliver more autonomous, continuous cyber protection for our classified environments. The Lockheed Martin Aeronautics Emerging Technologies organization is...
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