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30 security clearance jobs found

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General Dynamics Mission Systems, Inc
Mar 11, 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,...
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
Lockheed Martin
Mar 10, 2026
Mechanical Engineer
Lockheed Martin Moorestown, NJ, USA
Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work We are seeking a Mechanical Engineer to join the Advanced Electronics Packaging & Analysis group in the Sensor Mechanical Design Center. In this role, the selected candidate will work as part of an engineering team to develop electro-mechanical packaging concepts for elements of large scale radars or airborne systems. This candidate will interface with Systems, Electrical Engineers, Drafting and Operations personnel in the development of detailed packaging designs and assembly strategies. The candidate will also work on advanced microelectronics technologies in support of low-SWaP (Size Weight, and Power) solutions to meet Lockheed Martin sensor and mission needs. The...
General Dynamics Mission Systems, Inc
Mar 10, 2026
Mechanical Engineer
General Dynamics Mission Systems, Inc Taunton, 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. 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 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...
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 06, 2026
Mechanical Engineer Senior (Level 3)
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 Our Multidisciplinary Engineering Team to Deliver World Class Flight Representative Units (FRUs) You will be joining the Next Generation Interceptor program as...
Lockheed Martin
Mar 05, 2026
Dynamics and Technical Lead - Acoustics Mechanical Engineering
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. Become a valued member of the Loads & Dynamics central function organization! In...
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...
Lockheed Martin
Mar 03, 2026
Mechanical Design Engineer Sr
Lockheed Martin Orlando, FL, USA
Description: You will be the Mechanical Engineering Design Sr for the Future Terminal Interceptor capability development team. Our team is responsible for developing key technologies to support the follow-on upper tier missile program to THAAD. The next generation missile system will play a critical role to our Warfighter's ability to defeat the growing complex threats. The vehicle will be enabled by the next generation seekers, controls, avionics, and communications subsystems. 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...
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...
Lockheed Martin
Feb 27, 2026
Mechanical Engineer
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. Come work with multidisciplinary engineers focused on delivering world class...
Lockheed Martin
Feb 26, 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
Feb 24, 2026
Mechanical Engineer, Senior - Lexington, KY
Lockheed Martin Lexington, KY, USA
Description: Lockheed Martin Missiles & Fire Control, Special Operations Forces Global Logistics Support Services (SOFGLSS) contract, located in Lexington, KY, is seeking a Mechanical Engineer to design and complete modifications on various military vehicle and aircraft platforms in support of the warfighter. This program, critical to the success of US service men and women deployed throughout the world has a mission to rapidly and properly equip the SOF community and its war fighters with the best possible systems and equipment anywhere in the world. Your Responsibilities Will Include • Collaborating with lead engineers, project engineers, and systems and design teams to support existing platforms to ensure the customer fleets’ continued operation. • Reviewing customer requests, deconflicting technical data, determining and developing solutions to issues, submitting and processing necessary documentation. • Development of component installation, assembly, and part designs...
Lockheed Martin
Feb 18, 2026
Mechanical Designer Spec
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
Feb 18, 2026
Aircraft Mechanic II (Aircraft Ground Support Equipment)
Lockheed Martin Crestview, FL, USA
Description: You will be an Aircraft Ground Support Equipment (AGSE) (Aircraft Mechanic II) for our Special Operations Forces Global Logistic Support Services (SOF GLSS) team, based in Crestview, FL. Our team is responsible for modifying military aircraft and ground vehicles to meet the evolving operational needs of the SOF community. The AGSE Aircraft Mechanic II is responsible for performing scheduled and unscheduled maintenance on Aircraft Ground Support Equipment (AGSE). What You Will Be Doing As an AGSE Aircraft Mechanic II you will be responsible for inspecting, testing, and operating AGSE to determine equipment serviceability and proper operation. Diagnosing mechanical and electronic circuitry malfunctions using visual and auditory senses, test equipment, and technical publications. Removing, disassembling, repairing, cleaning, treating for corrosion, assembling, and reinstalling AGSE accessories and components. Providing dispatch service for AGSE, including positioning...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Mechanical Engineer – Entry Level
General Dynamics Mission Systems, Inc VA-Marion, UNAVAILABLE
Basic Qualifications Requires a Bachelor’s degree in Mechanical Engineering, or a related Science, Engineering or Mathematics field. Also requires one year of experience, or a Master's degree.   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...
General Dynamics Mission Systems, Inc
Feb 12, 2026
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. 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 mechanical eng ineer for FBM Fire Control, you’ll be a member of a cross functional team responsible for Designing, Testing, Implementing, Building, and Installing Fire Control Tactical, Trainer,...
Lockheed Martin
Feb 11, 2026
Mechanical Engineer
Lockheed Martin Moorestown, NJ, USA
Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work We are seeking a Mechanical Engineer to join the Advanced Electronics Packaging & Analysis group in the Sensor Mechanical Design Center. In this role, the selected candidate will work as part of an engineering team to develop electro-mechanical packaging concepts for elements of large scale radars or airborne systems. This candidate will interface with Systems, Electrical Engineers, Drafting and Operations personnel in the development of detailed packaging designs and assembly strategies. The candidate will also work on advanced microelectronics technologies in support of low-SWaP (Size Weight, and Power) solutions to meet Lockheed Martin sensor and mission needs. The...
Lockheed Martin
Feb 10, 2026
Mechanical Design Engineer - Level 4
Lockheed Martin Fort Worth, TX, USA
Description: You will be the Mechanical Design Engineer for the Mechanism Design Team which is responsible for creating high‑performance mechanical systems for LM ADP and F‑35 aircraft. What You Will Be Doing As the Mechanical Design Engineer you will be responsible for delivering robust mechanism designs, from concept through production, while partnering with program, manufacturing, and supplier teams. Your responsibilities will include: Develop kinematic models and detailed mechanism layouts. Design machined and composite parts, and generate release drawings with 3‑D annotation. Create sweep models and rigging procedures for mechanisms. Provide technical engineering support for manufacturing, installation, and testing at Lockheed Martin and supplier facilities. Conduct trade studies and evaluate alternatives to optimize form, fit, and function of mechanical systems. What’s In It For You We are committed to supporting your work‑life...
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