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3902 security clearance jobs found

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LMI
Mar 16, 2026
Information System Security Engineer (ISSE) AWS Cloud Security - Clearance Required
LMI NC
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,...
Lockheed Martin
Apr 08, 2026
Security Rep Staff / Active Secret Clearance/Orlando, FL
Lockheed Martin Orlando, FL
Description: Lockheed Martin's Missiles and Fire Control (MFC) business, the leading provider and pioneer for superior weapon systems, sensors and services seeking an Industrial Security Professional Staff / Contractor SAP Security Officer (CSSO) to join the security team in Orlando, FL. What You Will Be Doing As the CSSO you will perform program security duties supporting multiple special access programs as well as collateral efforts. Responsibilities also include but are not limited to: • All aspects of security to include personnel, physical, technical, and classification management utilizing the requirements set forth in Department of Defense Manual 5205.07, and National Industrial Security Program Operating Manual (NISPOM), and others as applicable. • Completing Program Access Requests (PAR), classified meeting support, program management support, and security education. Why Join Us Do you want to be part of a company culture that empowers employees to think big,...
Lockheed Martin
Apr 07, 2026
Security Assistant, Secret Clearance, Hourly - Orlando, FL
Lockheed Martin Orlando, FL
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
Mar 25, 2026
Security Representative, Associate Manager (TS Clearance Required)
Lockheed Martin Orlando, FL
Description: Manage the DISS/JVS and Escalation Team within the LMSecurity Operations Center (LMSOC). This role has enterprise wide responsibility for assisting with the management of security clearance operations and processing for the corporation; and for leading security professionals working within Lockheed Martin's consolidated Security Clearance Center. The selected candidate will also serve as Lockheed Martin's primary liaison/interface with the United States Government regarding personnel security clearance matters and be responsible for the following: -Collaborate in a team environment with multiple security disciplines. -Interpret and implement government security requirements; and understand government methodologies, practices and technologies with an emphasis on personnel security. -Identify and support internal and external customer needs and incorporate them into business processes. The selected candidate will also be responsible for, but not limited to:...
LMI
Feb 06, 2026
ISSO - Information System Security Officer - Clearance Required
LMI Colorado Springs, CO
Overview LMI is seeking a highly motivated mid-level Information System Security Officer (ISSO) looking for hands-on experience and opportunity for career growth under direction of the Chief Information Security Officer.   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, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and...
Lockheed Martin
Apr 26, 2026
MRP Planning/Scheduling Senior Manager - Level 6
Lockheed Martin King of Prussia, PA
Description: Protecting what matters most is the mission that matters most. As we journey through a new era of space, Lockheed Martin Space is a pioneer, partner, innovator and builder. Our amazing team is on a mission to make a difference in the world. Every day, our 115,000 employees come to work with one focus – our customers’ hardest missions. Those that demand extraordinary amounts of courage, resilience, and precision. They’re dangerous. Critical. Sometimes they even provide an opportunity to change the world and save lives. Those are the missions we care about. We provide the resources, support, and the focus. You bring the passion and courage to envision limitless possibilities and we’ll tackle those missions with you and stay ahead of ready. Going to space is just the beginning. It’s what you do when you get there that matters. We build satellites and spacecraft that do amazing things in space for our government and commercial customers. Connecting people, advancing...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Senior Advanced Engineering Support Specialist - Test Program Lead - $5,000 Sign On Bonus
General Dynamics Mission Systems, Inc Manassas, VA
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 8+ years of job-related experience, or a Master's degree with 6+ years 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 This position has a $5,000 sign on bonus.   The Test Program Lead serves as the technical and programmatic authority for all CWL and MTWS verification and validation activities. This role owns the end-to-end Test & Evaluation strategy, including test planning,...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Advanced Software Engineer - $5,000 Sign On Bonus
General Dynamics Mission Systems, Inc Middletown, RI
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 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 This position has a $5,000 sign on bonus.    We are hiring an Advanced Software Engineer.  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...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Senior Full Stack Engineer (Java/React)
General Dynamics Mission Systems, Inc Taunton, MA
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 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 Job Description:  Advanced Software Engineer Make the world’s most advanced Encryptor Manager even smarter   ROLE AND POSITION OBJECTIVES: As an Advanced Software Engineer, working on the Encryptor Manager, you’ll be a member of a cross functional...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Sr Advanced Space Systems Engineer- Chantilly, VA
General Dynamics Mission Systems, Inc Chantilly, VA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred. .   CLEARANCE REQUIREMENTS:  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 GDMS Sr. Advanced Systems Engineers analyze, design, develop and test GDMS systems to ensure the integration of software, hardware, reliability, maintainability, safety and other requirements in the total engineering effort.   Responsibilities include...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Test Engineer (cleared)
General Dynamics Mission Systems, Inc Dedham, MA
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
Apr 26, 2026
Sr Advanced Space Systems Engineer- Pittsburgh, PA
General Dynamics Mission Systems, Inc Pittsburgh, PA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred.   CLEARANCE REQUIREMENTS:  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 GDMS Sr. Advanced Systems Engineers analyze, design, develop and test GDMS systems to ensure the integration of software, hardware, reliability, maintainability, safety and other requirements in the total engineering effort.   Responsibilities include...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Senior Systems Engineer (Nuclear Weapons Security)
General Dynamics Mission Systems, Inc Pittsfield, MA
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
Apr 26, 2026
Systems Engineer – CMOSS Mounted Form Factor (CMFF)
General Dynamics Mission Systems, Inc Taunton, MA
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: 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:   Join our dynamic CMOSS Mounted Form Factor (CMFF) team as a Systems Engineer and play a key role in delivering cutting-edge integrated systems solutions. As part of a collaborative, cross-functional team, you will contribute across all aspects...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Electromagnetics & High Frequency Power Electronics Engineer
General Dynamics Mission Systems, Inc McLeansville, NC
Basic Qualifications Requires a Bachelor’s degree in Electrical Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 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 an Electromagnetics & High Frequency Power Electronics Engineer for General Dynamics Mission Systems, you’ll be a member of a cross functional team responsible for developing smaller, more efficient high voltage power...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Software Engineer – (Proficient in JAVA)
General Dynamics Mission Systems, Inc Pittsfield, MA
Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering or Mathematics field. 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 software engineer for General Dynamics Mission Systems at our Pittsfield, Massachusetts site, you’ll be a member of a cross functional team responsible for development throughout the entire software lifecycle.   We encourage you to apply if you have any of these preferred skills or experiences: Proficiency in...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Manager, Engineering Program Management
General Dynamics Mission Systems, Inc Bloomington, MN
Basic Qualifications Education Requirements:  Requires a Bachelor’s degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience.     Clearance Requirements: Department of Defense Secret security clearance is preferred at time of hire [required to be obtained]. 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 Description   ROLE AND POSITION OBJECTIVES This high-visibility Engineering Management role offers the opportunity to lead a team of Deputy Program Manager Engineers (DPMEs) and drive development of complex, next-generation DoD systems. The role...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Seeking a prior FT (Submarines) for Technical Writing, SME and Training role
General Dynamics Mission Systems, Inc Manassas, VA
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 S1000D and XML 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 responders keep our...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Mid-level C++ Software Engineer
General Dynamics Mission Systems, Inc Manassas, VA
Basic Qualifications Requires a Bachelor’s degree in Computer Engineering, Software Engineering, Computer Science, 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 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: We are seeking a highly skilled and experienced Software Engineer with a Mathematics background to join our dynamic team focused on undersea sensor systems. In this role, you will be responsible...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Agile Release Train Engineer (RTE)
General Dynamics Mission Systems, Inc Dedham, MA
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 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: We are seeking a highly skilled and motivated Release Train Engineer (RTE) to join our team. The RTE will be responsible for driving the execution and improvement of the Agile Release Train (ART) and ensuring the successful...
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