Software Engineer Sr Stf - Level 5 (Secret)
Lockheed Martin· enterprise· Defense· Oct 7, 2026 · 21d ago
King of Prussia, PA · Bethesda, MD · Rockville, MD
In office
Full-time
Senior
$121K–$180K est.
Job description
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.
*** This position is contingent upon program award with an expected 4 th Quarter 2026 start date ***
Lockheed Martin is designing, developing, and delivering a next-gen wideband MILSATCOM system comprised of integrated space and ground segments that will provide enhanced communications capacity, flexibility and resiliency.
The selected candidate will support the Ground segment of the program as a Sr Staff Software Engineer for the software lifecycle including requirements analysis, design, code & unit test, integration, and support to formal test/delivery. The candidate will work in a highly collaborative environment with frequent and direct interaction with various engineering disciplines and customers. Prior experience as a Software engineer with extensive domain knowledge of ground systems, networks, and integration & test of enterprise software products is required.
The information below reflects the standard job description for this position:
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
• Bachelors degree in Engineering/Technical discipline or closely related field, or equivalent combination of education and related experience
• Software development experience and proficiency in C++, Linux, and Python
• Excellent communication skills
• Ability to work in a fast-paced environment
• Prior experience with satellite ground systems design, development, integration, or test
• Experience with enterprise Ground Product Line (GPL) products Horizon, Compass, or Hades
• Experience working in an Agile development or I&T environment, including tools such as Jira and Confluence
• A active Secret clearance is required prior to start. (Must be a US citizen)
Desired Skills
• Experience supporting technical performance objectives, deliverables and customer-facing reviews (e.g., SRR, PDR, CDR)
• Experience in requirements definition to derive, decompose and verify requirements
• Familiar with Interface Control Document (ICD) definitions
• Strong knowledge of modern technology frameworks, IP networking, cloud platforms (AWS, Azure, GCP), microservices, APIs, DevSecOps, and data architecture
• Experience in application containerization (e.g., Docker, Kubernetes, Helm, etc.) in a cloud environment (AWS/Azure/Openstack/Openshift)
• Support occasional business travel (up to 25%)
• Proficient in AI prompting as it applies to this position and practice
Pay Information
Full-Time Salary Range: $166900.00 - $309900.00
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.
Application prep
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Keywords to mirror
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- Platform
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Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Pto
Paid Time Off
Parental Leave