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867 Security Clearance jobs

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LMI
Feb 19, 2026
Information System Security Engineer (ISSE) AWS Cloud Security - Clearance Required
LMI NC, USA
Overview LMI is seeking a skilled Information System Security Engineer (ISSE) with hands-on experience in AWS cloud security to provide advanced cybersecurity engineering and Risk Management Framework (RMF) support for Department of Defense (DoD) cloud-based systems. This position focuses on designing, implementing, and maintaining secure AWS environments aligned with DoD Cloud Computing Security Requirements Guide (CC SRG), NIST SP 800-53, and DISA STIGs/SRGs to support Authorization to Operate (ATO) efforts.   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 solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government,...
TRISTAR INC
Mar 09, 2026
Maintenance Trainer
TRISTAR INC Bloomington, IN, USA
We are seeking a highly skilled Maintenance Trainer to join our dynamic team. This position will support the Program Manager Marine Air-Ground Task Force Command and Control (PM MAGTF C2) Air Command & Control and Sensor Netting (AC2SN) portfolio by analyzing, designing, developing, implementing, evaluating, and delivering training products. This role supports the development and execution of training in accordance with Marine Corps instructional and training standards and provides direct support to operational units through formal and informal training delivery methods. This is a full time, Hybrid position out of Bloomington, IN. The position requires both technical expertise in tactical data links and network systems, as well as experience in instructional systems design and training delivery for military systems. Position Responsibilities Analyze, design, develop, implement, evaluate, manage, and support training products for the PM MAGTF C2 AC2 portfolio....
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 09, 2026
Security Generalist Sr./ Luke AFB, AZ - Level 3
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
Mar 09, 2026
Classified Cyber Security Sr / ISSO / Orlando
Lockheed Martin Orlando, FL, USA
Description: You will be the Information Systems Security Officer Sr for the team. Our team is responsible for ensuring the security and integrity of our information systems. What You Will Be Doing As the Information Systems Security Officer Sr, you will be responsible for overseeing day-to-day information system security operations, including auditing and ensuring compliance with internal LM and customer security requirements. You will also be responsible for technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF). Your responsibilities will include: Overseeing day-to-day information system security operations Carrying out technical administration of IS in accordance with internal LM and customer security requirements Upkeeping, monitoring, analyzing, and responding to network and security events Documenting compliance actions with the ISSM to address non-compliance in...
Lockheed Martin
Mar 09, 2026
Logistics Project Manager
Lockheed Martin King of Prussia, PA, USA
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 successful candidate will be the Fenwick Logistics Project Manager (LPM) supporting the sustainment contract located in the King of Prussia, PA facility. In this role, you'll be responsible for the execution and...
QED Systems, LLC
Mar 09, 2026
Program Analyst, ICIDS Site Lead
QED Systems, LLC VA
QED Systems, LLC, is currently recruiting a Program Analyst, ICIDS Site Lead tojoin our team at Fort Belvoir, VA to support our Product Manager Force Protection Systems (PdM FPS) contract. Duties: Represent the Integrated Commercial Intrusion Detection System (ICIDS) program and the PM Force Protection Systems (FPS) Program Office to the military installation (site), and the ICIDS installation contractor, from pre-site survey through the operations and sustainment for the ICIDS installation. Act as the interface/intermediary between these organizations and as the Program Office Subject Matter Expert (SME) for the sites assigned. Arrange site meetings/visits, participate in conference calls and design reviews with the site and installation contractor. Confer with the installation contractor’s site manager and Site Points of Contact (POCs) on a weekly basis and report results to the ICIDS Assistant Product Manager (APM). Coordinate with the site principals for...
General Dynamics Mission Systems, Inc
Mar 09, 2026
Space Force – Missile Tracking Systems Engineer (Sign-On Bonus Available)
General Dynamics Mission Systems, Inc Scottsdale, AZ, USA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience. Agile experience preferred.     CLEARANCE REQUIREMENTS:  Department of Defense Secret security clearance with the ability to obtain a TOP SECRET with Polygraph eligibility 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   As a  Missile Tracking Systems  Engineer for the  US Space Force  S pace  D evelopment  A gency  (SDA)  G round ,   M anagement   and  I ntegration (GMI)  program, you will be...
General Dynamics Mission Systems, Inc
Mar 09, 2026
Test Engineer (cleared)
General Dynamics Mission Systems, Inc Dedham, MA, USA
Basic Qualifications Requires a Bachelor’s degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 2+ years of job-related experience, or a Master's degree and 6 months of job-related 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 General Dynamics Mission Systems is actively seeking a Test Engineer for our Secure Network and Voice Product Development Team. This position is critical for advancing our automated testing capabilities, requiring collaboration within an agile team to convert operational concepts into practical designs and...
General Dynamics Mission Systems, Inc
Mar 09, 2026
2026 SkillBridge Candidates/HOH Fellows
General Dynamics Mission Systems, Inc UNAVAILABLE, UNAVAILABLE
Basic Qualifications DoD SkillBridge Eligibility: Has served at least 180 days on active duty Is within 12 months of separation or retirement Will receive an honorable discharge Has taken any service TAPS/TGPS Has attended or participated in an ethics brief within the last 12 months Received Unit Commander (first O-4/Field Grade commander in chain of command) written authorization and approval to participate in DoD SkillBridge Program prior to start of internship.   Responsibilities for this Position If you’re looking for a chance to experience civilian life and continue your mission to support our nation, then the General Dynamics Mission Systems Military Internship Program is the amazing challenge you’re looking for! At General Dynamics Mission Systems, you’ll learn from the best, those teams that create the technologies, products and services that help our nation’s heroes keep our nation safe. We are operating as an...
General Dynamics Mission Systems, Inc
Mar 09, 2026
NC3 Messaging Advanced Software Engineer (TS Cleared)
General Dynamics Mission Systems, Inc Dedham, MA, USA
Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred.     CLEARANCE REQUIREMENTS: : Department of Defense Top 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 ROLE AND POSITION OBJECTIVES: As a software engineer for the NC3 business segment, you’ll be a member of a cross functional team responsible for developing the next generation of NC3 strategic deterrence systems.   We encourage you to apply if you have any...
General Dynamics Mission Systems, Inc
Mar 09, 2026
Test & Evaluation Engineering Support Specialist (CWL)
General Dynamics Mission Systems, Inc Manassas, VA, USA
Basic Qualifications Requires a Bachelor’s or Technology degree in Engineering or a related specialized area/field, or equivalent (4 years job-related experience).  Must have experience with one of the following skills: the AN/BLQ-10, AN/BYG-1, Submarine Weapon Launchers, or AN/BQQ-10 systems. 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 Exceptional Job Opportunity: Test & Evaluation Engineering Support Specialist (CWL)!! Progeny Systems, a General Dynamics Mission Systems company is a high-tech b usiness focusing on software and hardware system integration, cutting-edge...
General Dynamics Mission Systems, Inc
Mar 09, 2026
Senior Systems Engineer (Nuclear Weapons Security)
General Dynamics Mission Systems, Inc Pittsfield, MA, USA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 2+ years of job-related experience, or a Master's degree and 6 months of job-related experience.   CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is obtainable within a reasonable amount of time after 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: As a senior systems engineer for the NWS program, you’ll be a member of a cross functional team responsible for design, development, testing, installation, and support of electronic security systems that support Navy strategic...
General Dynamics Mission Systems, Inc
Mar 09, 2026
Advanced Mechanical Engineer and Product Owner
General Dynamics Mission Systems, Inc Pittsfield, MA, USA
Basic Qualifications Requires a Bachelor’s degree in Mechanical Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience.     CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is obtainable within a reasonable amount of time after 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: As a mechanical engineer f or the Fleet Ballistic Missile Fire Control programs, you’ll be a Lead of a cross functional team responsible for Mechanical design, development, and insertion of high technology refreshes of...
General Dynamics Mission Systems, Inc
Mar 09, 2026
AI Solutions Engineer
General Dynamics Mission Systems, Inc McLeansville, NC, USA
Basic Qualifications Requires a Bachelor’s degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 2+ years of job-related experience, or a Master's degree and 6 months of job-related experience.   CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is obtainable within a reasonable amount of time after 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 Job Summary: The AI Solutions Engineer will partner with our multi-disciplinary engineering development teams (Systems, Mechanical, Electrical, Software) to identify and implement artificial intelligence solutions. This role focuses on leveraging internal Large Language Models (LLMs) and...
General Dynamics Mission Systems, Inc
Mar 09, 2026
Space Force - Software Engineer
General Dynamics Mission Systems, Inc Scottsdale, AZ, USA
Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred.     CLEARANCE REQUIREMENTS: Department of Defense Top Secret security clearance is preferred 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: As a Software Engineer for the SDA GMI program, you will be an integral part of a cross-functional team developing and deploying state-of-the-art ground operational systems. Your work will directly contribute to the success and...
General Dynamics Mission Systems, Inc
Mar 09, 2026
Program Manager
General Dynamics Mission Systems, Inc San Jose, CA, USA
Basic Qualifications Bachelor’s degree or equivalent is required plus a minimum of 8 years relevant experience; or Master's degree plus a minimum of 6 years relevant experience to meet managerial expectations. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance is required at time of hire. The selected candidate must be able to obtain a Polygraph within a reasonable amount of time from date 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 The responsibility is career-defining. So is the opportunity. At General Dynamics Mission Systems, we invent the technologies, products and services, that help our nation’s heroes keep our nation safe. The work is so advanced, our...
General Dynamics Mission Systems, Inc
Mar 09, 2026
Advanced Systems Engineer - Test and Evaluation Lead / Test Director
General Dynamics Mission Systems, Inc McLeansville, NC, USA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred.     CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is obtainable within a reasonable amount of time after 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: As a Test and Evaluation Lead / Test Director (Advanced Systems Eng) for Undersea Maritime Systems, you’ll be a member of a cross functional team responsible for developing a test program to very...
General Dynamics Mission Systems, Inc
Mar 09, 2026
Seeking a prior FT (Submarines) for Technical Writing, SME and Training role
General Dynamics Mission Systems, Inc Manassas, VA, USA
Basic Qualifications Requires a Bachelor’s or Technology degree in Engineering or a related specialized area/field, or equivalent (4 years job-related experience). Requires an additional 2+ years of job-related experience, or a Master's degree.  Must have AN/BYG-1 / Fire Control Technician 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 Ready to be a leader with the company that is committed to pushing the limits of truly advanced technologies? At General Dynamics Mission Systems, we create the products and services that help our service members, intelligence analysts and first...
General Dynamics Mission Systems, Inc
Mar 09, 2026
RF Systems Architect Engineer
General Dynamics Mission Systems, Inc Colorado Springs, CO, USA
Basic Qualifications Education Requirements: Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience. Agile experience preferred.   Clearance Requirements: Ability to obtain a 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 ROLE AND POSITION OBJECTIVES: As a Senior RF Systems Architect E ngineer fo r Advanced Electronics Systems , you’ ll lead a cross functional team responsible for envisioning and realizing the next generation...
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