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23 mechanical design engineer jobs found

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Security Clearance Onsite mechanical design engineer
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Lockheed Martin
Mar 12, 2026
Electro-Optical Controls Systems Engineer (Level IV) - TS clearance
Lockheed Martin Louisville, CO, 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, in-vest, 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 work-force 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 an Electro-Optical Controls Systems Engineer to...
General Dynamics Mission Systems, Inc
Mar 12, 2026
Mechanical Engineer – Entry Level
General Dynamics Mission Systems, Inc Pittsfield, MA, USA
Basic Qualifications Requires a Bachelor’s degree in Mechanical Engineering, or a related Science 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   Duties and Tasks:   • Performs design and development in such areas as mechanical, thermal, hydraulic, thermodynamic, or heat    transfer for production, transmission, measurement, and use of    mechanical and/or electromechanical systems, instruments, controls, engines and/or machines • Conducts feasibility studies and testing on new and modified designs • Provides design information for detailing packaging...
SAIC
Mar 11, 2026
Spacecraft Systems Engineer
SAIC VA
Description SAIC is seeking a Spacecraft Systems Engineer . This position is located in Chantilly, VA and requires an active TS/SCI clearance with Polygraph . This role will support a program office for a Major System Acquisition who requires a mid-career engineer with technical expertise in systems engineering who is anxious to grow their skills. In this role you will perform the following duties: Provide direct support for major program acquisitions. Provide leadership as a liaison with our sister program office that is developing an enterprise solution to support unified U.S. Space Battle Management Command and Control (BMC2). Provide a key role in the verification of system level requirements and selloff by the developer within a government program office. Be part of a team working with both developer and operators after launch for the initialization of multiple satellites on orbit. Provide operations planning and execution support....
SAIC
Mar 11, 2026
Principal Systems Engineer
SAIC UT
Description SAIC is seeking an exceptional Principal Systems Engineer to provide critical interface management and integration support to one of the Department of Defense's most complex and vital acquisition efforts - the Sentinel Intercontinental Ballistic Missile (ICBM) Program. This position offers a unique opportunity to contribute to the modernization of the U.S. Air Force's land-based strategic deterrent, ensuring its operational readiness and sustainability well into the 21st century. This position is located at Hill AFB, UT. The Sentinel ICBM Program, formerly known as the Ground Based Strategic Deterrent (GBSD), is a massive, multi-faceted initiative to replace the aging LGM-30G Minuteman III weapon system. This career-defining program involves designing and integrating advanced ballistic missile systems, refurbishing or replacing key infrastructure, and fielding state-of-the-art command, control, and support systems. As a Senior Systems Engineer, you will provide...
SAIC
Mar 11, 2026
Fire Protection Engineer
SAIC VA
Description SAIC is seeking a Fire Protection Engineer to join our team in our Chantilly, VA office. This position requires the interest & ability to obtain a TS/SCI security clearance with Polygraph . In this role you will be responsible for providing compliance with life safety requirements for the protection of personnel, mission and property through the role of enterprise Authority Having Jurisdiction. Additionally, you will evaluate compliance with applicable federal, state, and local laws and Department of Defense regulations to limit client exposure to civil and criminal liability. The following duties are a representative summary of the primary duties and responsibilities: Serve as a Fire Protection Engineering subject matter expert (SME) for all client locations. Review planning, programming, architectural and engineering design documents, specifications, and other technical documents for proposed construction activities to validate compliance...
General Dynamics Mission Systems, Inc
Mar 10, 2026
Shipyard Installation and Test Specialist
General Dynamics Mission Systems, Inc Groton, CT, 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. 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 Shipyard Installation and Test Specialist for GDMS Field Engineering, you’ll be a member of a cross functional team responsible for supporting the construction and integration of the COLUMBIA Class ballistic missile submarines. This...
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...
Lockheed Martin
Mar 04, 2026
Test Software/Hardware Systems Engineer, Staff
Lockheed Martin Littleton, CO, 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...
Lockheed Martin
Mar 03, 2026
Sustainment Engineer
Lockheed Martin Orlando, FL, USA
Description: You will be the Weapons Sustainment Engineer for the Advanced Weapons Sustainment Team. Our team keeps the Joint Air-to Surface Standoff Missile (JASSM) and Long Range Anti Surface Missile (LRASM) fleets mission ready by integrating weapons, managing logistics, and driving inventory and Government Furnished Property (GFP) processes. What You Will Be Doing As the Weapons Sustainment Engineer you will be responsible for depot level repair, modification, and refurbishment of JASSM and LRASM systems. You’ll serve as the logistics liaison for customers, coordinate material repairs and upgrades, and provide data driven recommendations on spares procurement and sustainment planning. Your responsibilities will include: • Coordinate and monitor repairs, retrofits, and upgrades at organic and sub vendor facilities. • Serve as the primary logistics point of contact, advising customers on sustainment status and repair progress. • Perform end to end analysis of the...
General Dynamics Mission Systems, Inc
Mar 03, 2026
Senior Electrical Engineer- Power Converter/ Systems Design
General Dynamics Mission Systems, Inc Scottsdale, AZ, USA
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 TS/SCI security clearance is preferred at time of hire. Candidates must be able to obtain a TS/SCI clearance with 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 ROLE AND POSITION OBJECTIVES: GDMS has an immediate opening for a Senior Power Converter Design Engineer. This position provides an opportunity to further advance the...
TRISTAR INC
Mar 02, 2026
Sr. Mechanical Engineer
TRISTAR INC Crane, IN, USA
We are seeking a Sr. Level Mechanical Engineer to support various systems in the Radar Technologies Division. This position will provide mechanical/electrical engineering support to ensure procedural documents are accurate and correct. Position responsibilities Develop procedures with initial guidance and in-process review from Government subject matter experts (SME). Implement Government SME comments as part of this support tasking. Review performance specification/performance requirements to identify test parameters necessary to establish radar subsystems test capability. Design multi-functional test stations capable of energizing/testing Radar subcomponent performance parameters. Analyze test data. Update performance requirements as necessary to meet ever changing needs. Requirements Professional experience in the mechanical design of shipboard radar systems. Demonstrate expertise in corrosion prevention in marine environment, in DC and AC...
General Dynamics Mission Systems, Inc
Mar 02, 2026
Shipyard Installation and Test Engineer
General Dynamics Mission Systems, Inc North Kingstown, RI, 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. 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 Shipyard Installation and Test Engineer for GDMS Field Engineering, you’ll be a member of a cross functional team responsible for supporting the construction and integration of the COLUMBIA Class...
Lockheed Martin
Feb 20, 2026
Senior Systems Engineer, Level 3
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 FBM Program is experiencing significant growth, and we are currently seeking a Senior...
Lockheed Martin
Feb 18, 2026
Sr Mass Properties 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. Mass Properties Engineering is the art and science of predicting the mass properties of...
General Dynamics Mission Systems, Inc
Feb 17, 2026
Shipyard Installation and Test Engineer
General Dynamics Mission Systems, Inc Groton, CT, 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. 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 Shipyard Installation and Test Engineer for GDMS Field Engineering, you’ll be a member of a cross functional team responsible for supporting the construction and integration of the COLUMBIA Class...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Advanced Systems Engineer
General Dynamics Mission Systems, Inc Herndon, VA, USA
Basic Qualifications Education Requirements: 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 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 Systems Engineer – IPT Lead for Intelligence Systems, you’ll be leading a cross-functional Integrated Product Team (IPT) designing and analyzing unique mechanical and structural systems, leading...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Structural Mechanical Engineer
General Dynamics Mission Systems, Inc Herndon, VA, 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 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 Structural-Mechanical Engineer for Intelligence Systems, you will be responsible for performing structural analysis using applicable material resources, methods, and standards; perform design and development of mechanical systems; and carry out...
Lockheed Martin
Feb 11, 2026
Senior Systems Engineer, Level 3
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 FBM Program is experiencing significant growth and we are currently seeking a Senior...
Lockheed Martin
Dec 16, 2025
Electro-Optical Laser Systems Engineer (Level IV) - TS clearance
Lockheed Martin CO, 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, in-vest, 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 work-force 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 an Electro-Optical Laser Systems Engineer to join...
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