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37 security clearance jobs found

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Lockheed Martin
Mar 19, 2026
Designer Senior Specialist
Lockheed Martin Cape Canaveral, FL, USA
Description: 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, invest, 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 resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. The designer will work closely with engineers to provide component or portions of system...
Lockheed Martin
Mar 19, 2026
Mechanical Engineer Senior
Lockheed Martin Cape Canaveral, FL, USA
Description: 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, invest, 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 resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin Space is seeking a full-time Mid-Career Mechanical Engineer with strong...
General Dynamics Mission Systems, Inc
Mar 19, 2026
Senior Mechanical Engineer (Flexible Schedule)
General Dynamics Mission Systems, Inc McLeansville, NC, USA
Basic Qualifications Requires a Bachelor’s degree in Mechanical 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. 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 mechanical engineer for General Dynamics Mission Systems, Undersea Mission Solutions, you’ll be a member of and may lead a cross functional team responsible for the development of electronic and mechanical packaging design,...
General Dynamics Mission Systems, Inc
Mar 19, 2026
Mechanical Engineer
General Dynamics Mission Systems, Inc Quincy, MA, USA
Basic Qualifications Bachelor’s degree in Mechanical Engineering, or a related Science, Engineering or Mathematics field.   CLEARANCE REQUIREMENTS: [Department of Defense 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 Mechanical Design Engineer for the Autonomous Maritime Platforms Business, you’ll be a member of a cross functional team responsible for the design and development of advanced autonomous subsea systems and vehicles. We are looking for a dynamic individual to support our mission of delivering cutting edge solutions to our valued customers.   We encourage you to apply if you have any...
Lockheed Martin
Mar 18, 2026
Utilities & Mechanical Systems Engineer - Level 4
Lockheed Martin Marietta, GA, USA
Description: You will be the Utilities & Mechanical Systems Engineer - Level 4 for the Utility Systems – Vehicle Systems team which is responsible for designing, improving, and sustaining utility and fluid systems on AMMM aircraft such as the C‑130 and C‑5. What You Will Be Doing As the Utilities & Mechanical Systems Engineer - Level 4 you will be responsible for delivering high‑impact mechanical and fluid‑system solutions that keep our transport aircraft mission‑ready. Your responsibilities will include: Design, analyze, and refine mechanical and fluid utility systems for C‑130 and C‑5 platforms. Provide troubleshooting, production support, and sustainment solutions for flight controls, landing gear, fuel, hydraulic, and related subsystems. Generate and update engineering drawings, specifications, and technical documentation. Conduct lab testing, investigate non‑conformances, and implement corrective actions. Coordinate with suppliers,...
Lockheed Martin
Mar 18, 2026
Utilities & Mechanical Systems Engineer - Level 3
Lockheed Martin Marietta, GA, USA
Description: You will be the Utilities & Mechanical Systems Engineer - Level 3 for the Utility Systems – Vehicle Systems team which is responsible for designing, improving, and sustaining utility and fluid systems on AMMM aircraft such as the C‑130 and C‑5. What You Will Be Doing As the Utilities & Mechanical Systems Engineer - Level 3 you will be responsible for delivering high‑impact mechanical and fluid‑system solutions that keep our transport aircraft mission‑ready. Your responsibilities will include: Design, analyze, and refine mechanical and fluid utility systems for C‑130 and C‑5 platforms. Provide troubleshooting, production support, and sustainment solutions for flight controls, landing gear, fuel, hydraulic, and related subsystems. Generate and update engineering drawings, specifications, and technical documentation. Conduct lab testing, investigate non‑conformances, and implement corrective actions. Coordinate with suppliers,...
Lockheed Martin
Mar 18, 2026
Utilities & Mechanical Systems Engineer - Level 2
Lockheed Martin Marietta, GA, USA
Description: You will be the Utilities & Mechanical Systems Engineer - Level 2 for the Utility Systems – Vehicle Systems team which is responsible for designing, improving, and sustaining utility and fluid systems on AMMM aircraft such as the C‑130 and C‑5. What You Will Be Doing As the Utilities & Mechanical Systems Engineer - Level 2 you will be responsible for delivering robust mechanical and fluid‑system solutions that keep our transport aircraft mission‑ready. Your responsibilities will include: Design, analyze, and refine mechanical and fluid utility systems for C‑130 and C‑5 platforms. Provide troubleshooting, production support, and sustainment solutions for flight controls, landing gear, fuel, hydraulic, and related subsystems. Generate and update engineering drawings, specifications, and technical documentation. Conduct lab testing, investigate non‑conformances, and implement corrective actions. Coordinate with suppliers,...
Lockheed Martin
Mar 18, 2026
Mechanical Engineer Staff
Lockheed Martin Huntsville, AL, USA
Description: 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, invest, 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 resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Come join Lockheed Martin's Long Range Hypersonic Weapon (LRHW) team. Our system will...
Lockheed Martin
Mar 18, 2026
Mechanical Engineer - Dynamics - Secret clearance
Lockheed Martin Sunnyvale, CA, USA
Description: 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, invest, 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 resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
General Dynamics Mission Systems, Inc
Mar 18, 2026
Advanced Mechanical Engineer
General Dynamics Mission Systems, Inc Middletown, RI, 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 As an Advanced Mechanical Engineer, you will be a key member of a cross-functional team responsible for the full lifecycle of complex hardware systems, from initial concepts through detailed design, build, integration and test. This role will support the execution...
General Dynamics Mission Systems, Inc
Mar 18, 2026
Advanced Mechanical Engineer
General Dynamics Mission Systems, Inc McLeansville, NC, 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 an acoustics engineer for our internal research and development group, you’ll be responsible for developing the next generation of sensors for undersea monitoring applications.    We encourage you to apply if you have any...
General Dynamics Mission Systems, Inc
Mar 18, 2026
Regional Strike Senior Mechanical Engineer
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 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 ROLE AND POSITION OBJECTIVES: As a senior mechanical engineer for regional strike, you'll be a member of a cross functional team working on projects that support some of our nations fundamental defense services. GDMS employees work closely with esteemed customers to develop solutions that...
Lockheed Martin
Mar 17, 2026
Senior Mechanical Engineer
Lockheed Martin King of Prussia, PA, USA
Description: 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, invest, 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 resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin Space is seeking a Mechanical Engineer to join our FBM Reentry...
Lockheed Martin
Mar 17, 2026
Mechanical Engineer
Lockheed Martin Cape Canaveral, FL, USA
Description: 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, invest, 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 resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Come work with multidisciplinary engineers focused on delivering world class Mechanical...
Lockheed Martin
Mar 17, 2026
Mechanical Designer
Lockheed Martin Huntsville, AL, USA
Description: 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, invest, 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 resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. The designer will work closely with engineers to provide component or portions of system...
Lockheed Martin
Mar 17, 2026
Mechanical Engineer Design Mid Career
Lockheed Martin Huntsville, AL, USA
Description: 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, invest, 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 resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Intercepting a bullet with a bullet while traveling at thousands of kilometers per second...
SAIC
Mar 11, 2026
Mechanical Engineer
SAIC NJ
Description We are seeking motivated Mechanical Engineers to join our team supporting the Aircraft Launch and Recovery Equipment (ALRE), specifically the Electromagnetic Aircraft Launch System (EMALS) and Advanced Arresting Gear (AAG) programs. These systems play a critical role in naval aviation operations, providing advanced solutions for aircraft launches and recoveries aboard Ford-class aircraft carriers. This role offers opportunities for entry to mid-level engineers to work on the design, development, testing, troubleshooting, and ongoing support of high-performance mechanical systems for defense applications. Candidates will contribute to innovative projects that align with national security priorities, including system installations and emergency troubleshooting aboard active vessels or at test sites. This position requries onsite support in Lakehurst, NJ. Must be local to the area. Must be a US citizen and able to qualify for a DoD Secret clearance. Travel...
SAIC
Mar 11, 2026
Mechanical Engineering Intern
SAIC RI
Description SAIC is seeking a Mechanical Engineering Intern in an engineering discipline to join our team as an intern where they will support other engineers to conduct modeling, analysis, and mechanical design in Middletown, RI. The Mechanical Engineering Intern will be responsible for but not limited to the following: Mechanical Engineering design Documentation Analysis Qualifications Required Education: High School Diploma and zero (0) years' experience; Some college-level classes completed in an Engineering discipline is preferred Required Clearance: Must be able to obtain and maintain an active Secret security clearance; US Citizenship required Required Skills: CAD Software such as SolidWorks or AutoCAD
General Dynamics Mission Systems, Inc
Mar 10, 2026
Sr Advanced Mechanical Engineer
General Dynamics Mission Systems, Inc Marion, VA, USA
Basic Qualifications Requires a Bachelor’s degree in Mechanical 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 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 Overview:   The Sr Mechanical Engineer is responsible for the design, development, and testing of mechanical devices, including tools, engines, and machines. They apply principles of engineering, physics, and materials science to create mechanical solutions that are safe, efficient, and...
Lockheed Martin
Mar 03, 2026
Mechanical Design Engineer Sr
Lockheed Martin Orlando, FL, USA
Description: You will be the Mechanical Engineering Designer Sr for a Laser Weapon System. Our team is responsible for developing and implementing detailed designs and layouts of laser weapon system sensors, structures, and subassemblies, driving innovation and excellence in the field. What You Will Be Doing: As the Mechanical Engineering Designer, you will be responsible for supporting the Integrated Product Team in creating detailed designs, layouts, and drawings for various components and subassemblies. You will play a key role in developing and generating CREO layouts, detailed drawings, and design documentation, ensuring seamless collaboration with cross-functional teams. Your responsibilities will include: * Developing and generating CREO layouts and detailed drawings for ICDs, components, sub-assemblies, assemblies, and integration test articles * Building BOMs, creating parts, assemblies, and design documentation within Windchill PLM * Coordinating with the IPT...
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