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Software & IT

Software Engineer Sr - E3

Lockheed Martin logoLockheed Martin$122,600–$227,600/yrSunnyvale, CA, United StatesPosted 1mo ago

This posting asks for U.S. citizenship. It also names a Secret clearance.

The posting offers a 9/80, 4/10 or other compressed week. More with a 9/80 schedule

About the role

Standard Job 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 is leading the way in hypersonic missile development and we want you to be a part of it! We are creating the first hypersonic boost/glide system for the US Army and Navy here on the Conventional Prompt Strike (CPS) program, and our NGC-SW Integrated Product Team (IPT) is responsible for the algorithms and software that control it. Our group includes the Navigation, Guidance, and Control (NG&C or GN&C) subsystem, which flies the missile and glide body, and the embedded Flight Software (FSW) which hosts the NG&C algorithms and provides health, status, and sequencing for the entire system. Additionally, we develop and maintain the Flight Software testbeds (HILs or HWILs) which provide complete hardware integration testing with feedback and flight simulation to test the NG&C algorithms and flight software.

Lockheed Martin Space is seeking a full time Lead Engineer to support the NGC test bed in Sunnyvale, CA. This team will support the larger HWIL (Hardware In the Loop) team on the CPS program. In this role you will support integration of software applications, simulations and operating systems into the Flight Software Testbeds.

Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met.

Basic Qualifications

  • Recent Software/Hardware integration experience
  • Prior Team Lead experience
  • Knowledge of Agile Software Development
  • Proficient Linux experience
  • US Citizenship required . Interim Secret Clearance needed start with the ability to obtain and maintain final secret clearance.

Desired Skills

  • Active DoD Secret security clearance
  • Experience with TLYF (Test Like You Fly), HWIL (Hardware In the Loop), and/or PIL (Processor In the Loop)
  • Ability to work in a collaborative and team based environment
  • Excellent written and oral communication skills

Pay Information

Full-Time Salary Range: $122600.00 - $227600.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow - both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.

Benefits offered:Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

  • Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
  • For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.

Copied from the listing Lockheed Martin published, verified 31 Oct 2026.

About Lockheed Martin

Lockheed Martin Space builds GPS and missile warning satellites, NASA's Orion crew capsule and deep space probes.

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