Skip to content

Software & IT

Software Engineer Sr - E3

Lockheed Martin logoLockheed Martin$95,900–$227,600/yrPosted 3d agoStill open, checked every night
  • Top Secret clearance

Open in 24 locations

Lockheed Martin posts this job separately for each location. Apply to the one where you can work: the team, schedule and pay can differ between locations.

Colorado

31 open
Show 26 more locations in 7 more states

Pennsylvania

13 open

California

4 open

Florida

3 open

Maryland

2 open

Texas

2 open

Alabama

1 open

Virginia

1 open

About the job

Standard Job Description

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.

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.

  • Generating and simulating operational level plans to explore the art of the possible, how we could defend the ultimate high ground in a future space war
  • Dynamically optimizing both terrestrial and space-based sensors to provide comprehensive space domain awareness
  • Strategically optimizing the placement and maneuvering of constellations of satellites to satisfy multiple, evolving priorities

Our team leverages industry standard open-source software solutions such as GitLab, Kubernetes, Docker, and Rancher. Our automation-first and “everything as code” mindset allows our software engineers to focus their time and efforts on what is most important - building cutting edge functionality for our end users

Basic Qualifications

  • Experience working in an Agile development environment, using tools such as JIRA and Confluence
  • Demonstrated ability to establish strong team relationships and deliver exceptional results
  • Strong critical thinking and problem-solving skills
  • Ability to work effectively in a fast-paced and rapidly changing environment
  • Ability to obtain and maintain a Top Secret Clearance

Desired Skills

  • Development experience with any of the following programming languages: Java, JavaScript, Python
  • Experience with any of the following programming languages: Java, JavaScript, Python
  • Familiarity with the Space Domain

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.

From Lockheed Martin's job posting for King of Prussia, PA, checked 12 Nov 2026. Requirements, and whether the role is still open, are settled on the employer's own page.

Selected agencies hiring now

  • Contract Professionals Inc (CPI)Engineering and technical staffing agency

    Aerospace and defense staffing firm in Waterford, Michigan, placing engineers, maintenance technicians, mechanics, welders and CNC machinists.

    Places: Propulsion, Mechanical, Avionics, RF & Payloads

  • The Josef GroupEngineering and technical staffing agency

    Recruiting firm placing US government security-cleared IT and engineering professionals (TS/SCI with a CI or full-scope polygraph) with defense and intelligence contractors.

    Places: Software & IT, Systems & Test, Avionics

These agencies and apps pay SpaceJobs.Now a referral fee when someone we introduce is placed or signs up. You pay nothing for it, and the fee never comes out of your pay. Employers' own jobs below keep their own order.

Sponsored

Sponsored jobs from job networks, which pay SpaceJobs.Now when you click one.

Before you apply, free help with this posting: test your resume against it, draft answers to its questions or browse all our free tools.

New ground software and IT jobs in space, by email

A weekly email with the newest of them, pulled from the companies' own career sites, with the pay each one lists. Free; unsubscribe in one click.

About Lockheed Martin

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

Pay on its listings: 98.6% of its open jobs state their pay

How it pays: Paid as an employee on Lockheed Martin's own payroll (salaried or hourly, as each posting states).

More open jobs at Lockheed Martin

More ground software and IT jobs in space

A software or IT professional?

One profile for every employer here. Space companies and their recruiters ask us for people with a specific degree, clearance, specialty or location: add yours once, and when a job fits, we introduce you, only with your yes. Free.

Create my profile

Lockheed Martin openings, sent to you weekly

Each week we send the newest postings from Lockheed Martin's own careers site, along with similar openings at other space employers. It's free, and one click in any email stops it.