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Software Engineer Sr - E3 at Lockheed Martin in Littleton, CO
Skills
Job Description
Job Description
Job Title: Software Engineer Sr - E3
Posting Start Date: 9/1/26
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!
We are seeking for a Senior Software Engineer to join our FSW/Sim Integration team that develops Sim Software and provides support to the integration team in integration and test of flight software and Sim products in Hardware in the loop.
Core Responsibilities • Maintain and develop simulation software • Drive enhancements to end to end test scripts • Work closely with Navigation, Guidance & Control, Flight Software development, and HWIL teams to ensure compliance with integration standards and test procedures. • Understand and operate the Hardware In the Loop Testbed, including configurations, tools, and processes. • Collaborate with engineering groups to resolve technical problems, communicate status, and maintain documentation. • Uphold rigorous standards and processes through strong organizational and communication skills.
Key Success Factors • Ability to work independently with minimal supervision. • Diagnose and resolve software configuration or baseline issues during integration and installation phases. • Review problem reports and enhancement requests to assess impacts on testing and regression plans.
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
• Experience in Linux or UNIX environments. • Experience on a software development program • Experience with integrating and testing hardware/software products or equivalent technical experience • Python development experience • C++ development experience • Good verbal, written, and interpersonal communication skills.
Desired Skills
• Experience with Matlab development • Ability to read and modify Matlab tool • Experience with Agile development methodologies • Experience developing and maintaining simulation software • Ability to analyze test results and coordinate with SME to verify functionality and requirements
#LMSpaceSoftwareEng
Pay Information
Full-Time Salary Range: $110300.00 - $204900.00
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.