26 principal systems engineer jobs found

Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience. Agile experience preferred.   CLEARANCE REQUIREMENTS: Department of Defense TS/SCI with Polygraph 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-Level Systems Engineer for CISR, you’ll be a lead member of cross-functional hardware and system design teams responsible for the realization of complex computing and communications systems. You’ll make...

Description: The Lockheed Martin Space RF Talent Center is seeking a motivated RF Staff Engineer to lead a skilled team in Highlands Ranch, CO supporting the Space Development Agency (SDA) Wildfire Program Portfolio with a focus on theT3 Tracking program. This position is responsible for the design, development, and delivery of multiple communication subsystems to the program. The communication subsystem consists of digital, RF, and optical components and that collectively transmit mission information across a constellation of satellites. You will guide a team of Payload subsystem Certified Principal Engineers (CPEs), Responsible Systems Engineers (RSEs), and Integration and Test engineers in the design, development, integration, and delivery of complex RF subsystems and flight hardware. You will ensure technical requirements, specifications, analyses, and test strategies are successfully executed while driving trade studies and technical decisions that impact mission...

Description: You will be the Electro-Optical Engineer for the Electro Optical Infrared (EOIR) Team which is responsible for... What You Will Be Doing As the Electro-Optical Engineer you will be responsible for leading the integration of EOIR solutions within advanced aircraft programs. Your responsibilities will include: Define, review, and document engineering requirements for EOIR systems. Coordinate with principal engineers, stakeholders, and customers to align specifications. Plan, develop, integrate, and validate optical, infrared, and laser systems on fighter aircraft. Prepare and deliver technical briefings to customers and senior leadership. Support travel to national and international program sites for testing and meetings. What’s In It For You We are committed to supporting your work‑life balance and overall well‑being, offering flexible scheduling options. Learn more about Lockheed Martin’s comprehensive benefits package here....

Description: The Fleet Ballistic Missile (FBM) program is seeking an Lead Electronics Engineer to develop Automated Test Equipment. Location: This position does not support teleworking; the preferred candidate will be located near our Lockheed Martin Space facility at one of the Coolest places to work: Cape Canaveral FL and be expected to work a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space 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. What does this role look like? You will support FBM LE refresh and design update projects for Electrical Ground Support Equipment (EGSE). Use your strong electrical engineering skills to work with all project partners and define the future for FBM! Key activities you...

Description: Lockheed Martin Space is seeking a full-time Electronics Engineer where you will work as a GNC Hardware Development Tech Lead on the development of a sophisticated state-of-the-art avionics product in a world class Integrated Product Development environment. Location: This position does not support teleworking ; the selected candidate will be located near our Lockheed Martin Space facility in Sunnyvale CA and will be working a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space 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...

Description: Lockheed Martin Space is seeking a full-time Electronics Engineer where you will work as a GNC Hardware Development Tech Lead on the development of a sophisticated state-of-the-art avionics product in a world class Integrated Product Development environment. Location: This position does not support teleworking ; the selected candidate will be located near our Lockheed Martin Space facility in Sunnyvale CA and will be working a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space 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...

Basic Qualifications Requires a Bachelor’s degree in Electrical Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience.     Due to the nature of work performed within our facilities, U.S. citizenship is required.   Responsibilities for this Position ROLE AND POSITION OBJECTIVES:   Serve as technical lead for RF system and product development, providing guidance and mentoring to engineering teams Architect, design, simulate, and validate analog, digital, and RF circuits including antennas, amplifiers, mixers, oscillators, filters, and PLLs across a broad frequency range Develop system and subsystem specifications ensuring alignment across electronic, mechanical, and software domains Perform schematic capture, Worst Case Analysis (WCA), PCB design reviews, component...

Description: Role Overview As a Test Engineer within Lockheed Martin Space, you will play a key role in ensuring complex aerospace systems are properly assembled, integrated, and tested before delivery. You will support the full lifecycle of hardware integration and testing—helping verify system performance, resolve issues, and ensure mission readiness. This role offers hands-on technical work, collaboration across disciplines, and the opportunity to grow into a Certified Test Conductor supporting high-visibility aerospace programs. Key Duties / Responsibilities • Test Lead for Mission Support Vehicle on NGI • Execute assembly, integration, and test activities to ensure systems operate as designed • Develop, update, and maintain test procedures that support vehicle integration and delivery • Plan and coordinate daily test readiness and execution across multiple internal and external teams • Support and perform system and subsystem testing, including regression testing after...

Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently June 2026. Any job offers extended to chosen candidates will include a contingency clause stating that the offer is dependent on Lockheed Martin securing the contract.*** Position details: Location: Littleton, CO Work Schedule: 9x80 Position type: Full-time onsite (this is not a hybrid position) ________________________________________ Lockheed Martin Space is seeking an advanced career RF Engineer to join our team in Littleton, CO! As an RF Engineer, you will architect, design, and develop RF systems and circuitry, including receivers, transmitters, antennas, and frequency synthesizers. You will perform hardware layout, component evaluation, prototype construction, and test, while supporting manufacturing during assembly and verification. You will also develop RF system and subsystem architectures, perform link analysis, and track technical...

Basic Qualifications Requires a Bachelor’s degree in Electrical or Computer Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience. Agile experience preferred.     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 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 Primary Job Qualifications: We encourage you to apply if you have any of these preferred skills or experiences: In-depth experience using...

Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently May 2026. Any job offers extended to chosen candidates will include a contingency clause stating that the offer is dependent on Lockheed Martin securing the contract.*** Position details: Location: Littleton, CO Work Schedule: 9x80 Position type: Full-time onsite (this is not a hybrid position) _____________________________________________ Lockheed Martin Space is seeking a mid-career career RF Engineer to join our team in Littleton, CO ! As an RF Engineer, you will architect, design, and develop RF systems and circuitry, including receivers, transmitters, antennas, and frequency synthesizers. You will perform hardware layout, component evaluation, prototype construction, and test, while supporting manufacturing during assembly and verification. You will also develop RF system and subsystem architectures, perform link analysis, and track technical...

Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently May 2026. Any job offers extended to chosen candidates will include a contingency clause stating that the offer is dependent on Lockheed Martin securing the contract.*** Position details: Location: Littleton, CO Work Schedule: 9x80 Position type: Full-time onsite (this is not a hybrid position) _____________________________________________ Lockheed Martin Space is seeking an RF Engineer to join our team in Littleton, CO ! As an RF Engineer, you will architect, design, and develop RF systems and circuitry, including receivers, transmitters, antennas, and frequency synthesizers. You will perform hardware layout, component evaluation, prototype construction, and test, while supporting manufacturing during assembly and verification. You will also develop RF system and subsystem architectures, perform link analysis, and track technical performance...

Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently April 2026. Any job offers extended to chosen candidates will include a contingency clause stating that the offer is dependent on Lockheed Martin securing the contract.*** Position details: Location: Littleton, CO Work Schedule: 9x80 Position type: Full-time onsite (this is not a hybrid position) _____________________________________________ 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...

Description: Please join us as a Responsible Product Engineer/Certified Principal Engineer , where you will work on the development of a sophisticated state-of-the-art avionics product in a world class Integrated Product Development environment. Location: This position does not support teleworking ; the selected candidate will be located near our Lockheed Martin Space facility in: • Littleton CO You will be working a flexible 9x80 schedule in the office full-time. What does this role look like? The Digital and Analog Talent Center is looking for an experienced Responsible Engineer/Certified Principal Engineer (CPE) to oversee the design, development, test and integration of digital electronics systems. This role is a critical one that will build your skills and knowledge in technical disciplines required to design and realize a complex digital product. At the same time, you will leverage technical leadership principles to ensure that your team is successful in...

Basic Qualifications Requires a Bachelor’s degree in Electrical Engineering, or a related Science, Engineering, 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: Ability to obtain a Department of Defense TS/SCI with Polygraph 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-Level Electrical Engineer for SC&I, you’ll be a lead member of cross-functional hardware and system design teams responsible for the realization of complex computing and communications systems. You’ll major...

Description: Please join us as a Responsible Product Engineer/Certified Principal Engineer , where you will work on the development of a sophisticated state-of-the-art avionics product in a world class Integrated Product Development environment. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: • Sunnyvale CA • Littleton CO You will work a flexible 9x80 schedule in the office full-time. 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...

Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges. What You Will Be Doing Lockheed Martin is seeking an RF Engineer, for the planning and completion of the product baseline development, integration, and verification efforts, as well as the planning and execution of current and future changes. The candidate will work extensively with suppliers to develop and execute qualification testing schemes and provide requirement verification artifacts. The candidate will need to closely collaborate with internal LM stakeholders as well as U.S Government representatives to ensure all requirements are met. Essential tasks...

Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. We are experiencing growth and looking for a Sr Staff EW RF Payload Design Engineer. What You Will Be Doing IAMD-AP seeks an Electronic Warfare (EW) RF Payload Design Engineer and Technical Lead to support advanced EW decoy system development. The role will drive RF architecture, design, integration, test, and verification for EW payloads that must operate in hostile, spectrum congested environments while supporting tactical Link 16, M code GPS, and navy blue force requirements. This is a significant effort that will develop, integrate and fly multiple EW RF payloads simultaneously for various...

Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. IAMD-AP is seeking an Electronic Warfare (EW) RF Payload Design Engineer to support advanced EW decoy system development. What You Will Be Doing The role will drive RF architecture, design, integration, test, and verification for EW payloads that must operate in hostile, spectrum congested environments while supporting tactical Link 16, M code GPS, and navy blue force requirements. This is a significant effort that will develop, integrate and fly multiple EW RF payloads simultaneously for various customer including ONR, USN IWS 2.0, and internal IRAD activities. The candidate shall operate as a...

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...