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26 senior systems engineer level 3 jobs found

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Lockheed Martin
May 15, 2026
Environmental Health & Safety Engineer Senior
Lockheed Martin Camden, AR
Description: You will be the Environmental Health & Safety Engineer Senior with Lockheed Martin Missiles & Fire Control in Camden, AR. Our team is responsible for identifying hazards, ensuring regulatory compliance, and fostering a safe work environment. What You Will Be Doing As the Environmental Health & Safety Engineer Senior you will be responsible for assessing workplace conditions, mitigating risks, and leading safety initiatives. Your responsibilities will include, but are not limited to: Identifies hazardous workplace conditions and takes preliminary samples and measurements of hazardous forces and toxic substances. Removes hazards and/or protects employees by guarding, revising work procedures, and training or requiring use of protective clothing and personal protective equipment. Takes effective steps to ensure that workplace conditions comply with applicable federal and state occupational safety and health standard provisions of...
Lockheed Martin
May 15, 2026
Staff Thermal Analyst
Lockheed Martin Highlands Ranch, CO
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. OVERVIEW: 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. What does this role look like? Lockheed Martin Space is seeking a...
Lockheed Martin
May 12, 2026
Power Electronics Engineer
Lockheed Martin Liverpool, NY
Description: WHAT WE'RE DOING Provide technical support for Radar and/or Sonar programs focusing on power‑supply design and power‑subsystem engineering. The role drives reliable, high‑performance power solutions that enable mission‑critical sensor systems. THE WORK Design, analyze, and simulate power‑supply circuits, distribution networks, and power‑conversion topologies to meet system requirements. Perform root‑cause investigations and develop corrective‑action plans for power‑related issues. Build and refine engineering procedures, seeking continuous‑improvement opportunities and greater efficiency. Mentor junior engineers, sharing expertise in power‑electronics best practices and troubleshooting techniques. Collaborate closely with senior engineers, subject‑matter experts, and cross‑program teams to integrate power solutions into radar/sonar platforms. WHO WE ARE Lockheed Martin is an equal‑opportunity employer that values diversity, integrity, and innovation. Our...
Lockheed Martin
May 11, 2026
Environmental Health & Safety Engineer Senior
Lockheed Martin Camden, AR
Description: You will be the Environmental Health & Safety Engineer Senior for Lockheed Martin Missiles & Fire Control in Camden, AR. Our team is responsible for ensuring a safe and compliant operational environment across the site. What You Will Be Doing As the Environmental Health & Safety Engineer Senior, you will be responsible for driving safety compliance across the site and supporting the customer’s needs. Your responsibilities will include, but are not limited to: Identifies hazardous workplace conditions and takes preliminary samples and measurements of hazardous forces and toxic substances, removes hazards and/or protects employees by guarding, revising work procedures, and training or requiring use of protective clothing and personal protective equipment. Takes effective steps to ensure that workplace conditions comply with applicable federal and state occupational safety and health standard provisions of any labor agreement,...
Lockheed Martin
May 08, 2026
Sr. Power Electrical Engineer
Lockheed Martin Moorestown, NJ
Description: WHAT WE'RE DOING Provide technical support for Radar and/or Sonar Programs focusing on power‑supply design and power‑subsystem engineering. The role drives reliable, high‑performance power solutions that enable mission‑critical sensor systems. THE WORK Design, analyze, and simulate power‑supply circuits, distribution networks, and power‑conversion topologies to meet system requirements. Perform root‑cause investigations and develop corrective‑action plans for power‑related issues. Build and refine engineering procedures, seeking continuous‑improvement opportunities and greater efficiency. Mentor junior engineers, sharing expertise in power‑electronics best practices and troubleshooting techniques. Collaborate closely with senior engineers, subject‑matter experts, and cross‑program teams to integrate power solutions into radar/sonar platforms. WHO WE ARE Lockheed Martin is an equal‑opportunity employer that values diversity, integrity, and innovation. Our culture is...
Lockheed Martin
May 06, 2026
Circuit Design Engineer Sr
Lockheed Martin Orlando, FL
Description: You will be the Senior Circuit Design Engineer for the Command Launch Assembly (CLA) Carrier Card Assembly (CCA) team within Missiles & Fire Control (MFC). Our team delivers the high performance electronic hardware that powers the Next Generation Short Range Interceptor (NGSRI) and other precision engagement systems for the United States and allied forces. What You Will Be Doing As the Senior Circuit Design Engineer you will own the end to end design of the CCA, translating system requirements into reliable, production ready circuit cards that power, communicate with, and integrate into the launcher’s subsystems. You will work hand in hand with mechanical, electrical, and systems engineers, perform verification and validation, and ensure every design meets rigorous power conditioning, signal integrity, and environmental standards. Your responsibilities will include: • Defining performance, power, and interface requirements for the CCA and documenting them in...
Lockheed Martin
Apr 30, 2026
Counter-Unmanned Aircraft Systems (C-UAS): RF Engineer - Dallas, TX
Lockheed Martin Grand Prairie, TX
Description: Lockheed Martin Missiles and Fire Control (MFC) is seeking a Senior RF Engineer to join our growing engineering team. MFC is a recognized designer, developer, and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. This role offers an excellent working environment with a mix of cutting-edge design, hands-on laboratory testing, and product development. You will work with and learn from industry-leading RF and microwave design professionals in a collaborative, mission-driven environment. What You Will Be Doing Non Kinetic Air Defense (NKAD) and Counter Swarm team is looking for an multidisciplined RF Design Engineer to join a growing team responsible for design, prototype, test and rapid fielding of solutions within highly accelerated timelines for all services. Seeking someone with experience with fast-paced programs and familiar with rapid hardware development to support design tasks that will include electrical...
Lockheed Martin
Apr 28, 2026
Mechanical Design Engineer Staff
Lockheed Martin Grand Prairie, TX
Description: You will be the Mechanical Design Engineer for the GMLRS Development Team. Our team drives the design, build, and test of the Guided Multiple Launch Rocket System (GMLRS) missiles and launch pods, delivering new rocket configurations and supporting supplier development across the program. What You Will Be Doing As the Mechanical Design Engineer you will be responsible for creating and releasing component and assembly drawings, drafting Instructional Change Notices (ICNs), and coordinating hardware development from concept through flight testing. You’ll work side by side with cross functional partners, the Camden manufacturing group, and external suppliers to ensure designs meet schedule, performance, and safety targets. Your responsibilities will include: • Generate and release 2 D/3 D mechanical drawings for new rocket parts and assemblies. • Author and manage Instructional Change Notices for development builds. • Participate in weekly Integrated Product Team...
Lockheed Martin
Apr 23, 2026
ElectroMechanical Engineer Sr.
Lockheed Martin Orlando, FL
Description: You will be the Senior ElectroMechanical Engineer on the Advanced Programs hardware engineering team within Lockheed Martin Missiles & Fire Control (MFC). Our team designs, develops, and manufactures precision engagement aerospace and defense systems for the U.S. and allied militaries. You’ll work on cutting edge electronics packaging, hands on prototype builds, production support, and technical leadership that directly impact next generation missile and radar programs. What You Will Be Doing As the Senior ElectroMechanical Engineer you will act as a key technical contributor on one or more defense programs, guiding hardware from concept through low rate production and full rate manufacturing. You’ll lead cross functional teams, create detailed electromechanical models and drawings, define test criteria, and drive issue resolution while mentoring junior engineers and championing an inclusive, collaborative culture. Your responsibilities will include: • Lead...
Lockheed Martin
Apr 23, 2026
Circuit Design Engineer Sr
Lockheed Martin Grand Prairie, TX
Description: You will be the Senior Circuit Design Engineer for the Non Kinetic Air Defense (NKAD) & Counter Swarm team. Our team designs, prototypes, tests, and rapidly fields advanced electronic solutions that protect U.S. and allied forces. We turn high risk concepts into flight ready hardware on accelerated schedules. What You Will Be Doing As the Senior Circuit Design Engineer you will be responsible for leading end to end circuit card development—from early architecture through production release—while collaborating with system, software, test, and manufacturing partners. You will help shape the technical direction of multiple defense programs and ensure that every design meets strict SWaP C, performance, and reliability requirements. Your responsibilities will include: • Defining subsystem requirements, conducting trade studies, and establishing architecture for platform and sensor electronics. • Driving schematic capture, EPCAD layout, and signal integrity...
Lockheed Martin
Apr 22, 2026
Senior Safety Engineer
Lockheed Martin Troy, AL
Description: You will be the Senior Safety Compliance Engineer for the Environmental Safety and Health team. Our team is responsible for ensuring safety compliance and risk mitigation across all programs at the Troy, Alabama Missiles and Fire Control facility. What You Will Be Doing As the Senior Safety Compliance Engineer, you will analyze accident and injury data to develop mitigation strategies, ensuring adherence to safety regulations and safeguarding employees from potential hazards. Your key responsibilities will include, but are not limited to: Conducting compliance assessments to verify adherence to safety standards and procedures. Collaborating with cross-functional teams to implement ergonomic tools and practices within manufacturing operations. Developing job hazard analyses and risk assessments to support manufacturing processes. Conducting incident investigations with recommended corrective actions. Applying relevant standards from...
Lockheed Martin
Apr 22, 2026
Senior Safety Engineer
Lockheed Martin Troy, AL
Description: You will be the Senior Process Safety Engineer for the Environmental Safety and Health team. Our team is responsible for ensuring safety compliance and risk mitigation across all programs at the Troy, Alabama Missiles and Fire Control facility. What You Will Be Doing As the Senior Process Safety Engineer, you will analyze new processes and technologies to identify risks, implement mitigation strategies to ensure compliance with ordnance safety requirements, and protect employees from potential hazards. You'll be expected to be hands on with daily interaction in the production manufacturing areas. Your key responsibilities will include, but are not limited to: Troubleshooting safety-related process equipment, identifying and assessing equipment and process risk through regular onsite inspections and meetings Working with data tracking and engineering software reviewing engineering drawings for hazards and risks Reviewing Manufacturing...
General Dynamics Mission Systems, Inc
Apr 17, 2026
Senior Systems Engineer - Nuclear Safety / Surety
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 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 a reasonable amount of time.  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 We are seeking a highly skilled Advanced Systems Engineer 3 to support and lead systems engineering efforts with a specialized focus on Nuclear Surety . The ideal candidate will possess extensive experience in nuclear weapons systems,...
Lockheed Martin
Apr 15, 2026
Sr. Power Electronics Engineer
Lockheed Martin Liverpool, NY
Description: WHAT WE'RE DOING Provide technical support for Radar and/or Sonar programs focusing on power‑supply design and power‑subsystem engineering. The role drives reliable, high‑performance power solutions that enable mission‑critical sensor systems. THE WORK Design, analyze, and simulate power‑supply circuits, distribution networks, and power‑conversion topologies to meet system requirements. Perform root‑cause investigations and develop corrective‑action plans for power‑related issues. Build and refine engineering procedures, seeking continuous‑improvement opportunities and greater efficiency. Mentor junior engineers, sharing expertise in power‑electronics best practices and troubleshooting techniques. Collaborate closely with senior engineers, subject‑matter experts, and cross‑program teams to integrate power solutions into radar/sonar platforms. WHO WE ARE Lockheed Martin is an equal‑opportunity employer that values diversity, integrity, and innovation. Our...
Lockheed Martin
Mar 20, 2026
Lead Electrical Power Engineer (Lead MBR Eng. Staff)
Lockheed Martin Moorestown, NJ
Description: What We're Doing Lockheed Martin is shaping the future of defense through cutting edge radar and missile defense technologies, and we want you to help write the next chapter. As the premier developer of active electronically scanned array (AESA) radars and integrated air and missile defense solutions for the U.S. military, our allies, and more than 45 nations worldwide, we deliver world class situational awareness, early warning, and kill assessment capabilities in the most demanding environments. Join a global team of 35 000 engineers, software developers, and cyber experts who turn complex challenges into reliable, next generation systems that keep warfighters ahead of emerging threats. Your talent will power everything from space domain awareness to ground based radar testbeds, ensuring the safety of today’s forces and the security of tomorrow’s world. The Work Successful can will: The Level 4 Power Systems Engineer is a senior technical contributor...
Lockheed Martin
Mar 20, 2026
System Engineer, Safety Sr - Level 3
Lockheed Martin Fort Worth, TX
Description: You will be the System Safety Engineer for the System Safety Engineering Team which is responsible for ensuring the safety and mission success of the F‑22 aircraft. What You Will Be Doing As the System Safety Engineer you will be responsible for leading safety analyses and supporting the System Safety Program Plan throughout the aircraft development lifecycle. Your responsibilities will include: Conduct Functional Hazard Analysis, Fault Tree Analysis, Preliminary Hazard Analysis, System Safety Analysis, and Software Hazard Analysis. Develop, maintain, and execute the System Safety Program Plan. Perform quantitative and qualitative risk assessments and trade studies to optimize design choices and recommend controls. Coordinate system safety activities with design teams, suppliers, internal management, and external customers. Provide technical guidance on hazard mitigation and collaborate with adjacent disciplines to support program...
Lockheed Martin
Feb 18, 2026
Sr Mass Properties Engineer
Lockheed Martin King of Prussia, PA
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...
Lockheed Martin
May 07, 2026
Mechanical Engineer
Lockheed Martin Moorestown, NJ
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 Mechanical Cabinet Design group in the Sensor Mechanical Design Center. In this role, the selected candidate will work as part of an engineering team to responsible for the design, analysis, verification, and production support of mechanical structures, enclosures, and electronic modules for multiple programs across the RMS Line of Business. This candidate will interface with Systems, Electrical Engineers, Drafting and Operations personnel in the development of detailed designs and assembly strategies. The selected candidate will work closely with cross-functional teams in the design, development, integration, and testing and...
Lockheed Martin
May 06, 2026
Sr. Mechanical Engineer
Lockheed Martin Moorestown, NJ
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 Sr. Mechanical Engineer to join the RF & Microwave 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
May 01, 2026
Mechanical Design Engineer Sr
Lockheed Martin Arlington, TX
Description: You will be the Mechanical Design Engineer Sr for an Integrated Air and Missile Defense - Advanced Programs development team. Our team is responsible for designing and producing key components of the missile system, including tactical RF sensor and structural hardware. What You Will Be Doing As the Mechanical Engineering Designer Sr, 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 model-based designs (MBD) for ICDs, components, sub-assemblies, assemblies, and integration test articles •Building BOMs, creating parts, assemblies, and design documentation within Windchill PLM •Coordinating...
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