Software Engineer Sr - E3

WHO WE ARE

Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering.

Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering.

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.

Lockheed Martin is seeking a talented Level 3 ground Software Engineer with an active Final Top Secret security clearance to work from either our King of Prussia, PA or Littleton, CO location(s).

This position is contingent upon the program award expected in Oct, 2026.

We are looking for software engineers to craft and build innovative solutions for our customers. You will be part of an Agile team that utilizes state of the art commercial standard methodologies such as Dev Sec Ops  (automated testing, continuous integration, automated deployment, etc.) and modern development tools. You will participate in progressing system capabilities from early design through site acceptance focused on software reuse, COTS/FOSS integrations, and innovative, affordable best practices.

As a member of a hard-working team that are passionate about their trade, focused on mission and system quality, and supportive of timely delivery of features and capabilities. Be able to demonstrate effective communication skills and a desire to have fun with your work.

• 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.

• Strong Software Development, Software Engineering background, with a track record of successful project delivery
• Experience developing ground subsystems
• Demonstrated expertise in Scaled Agile development methodologies, with excellent communication skills for effective collaboration and teamwork across Agile Development Teams.
• Active TS Clearance required for consideration with the ability to obtain an SCI.

• Understanding / proficiency in application containerization (e.g. Docker, Kubernetes, etc.)
• Agile software development experience
• Java EE, C# .NET, JavaScript, Type Script, Angular, Docker, Kubernetes, Rancher, Python, Git Lab
• Web Development Experience
• Cloud-based technologies
• Dev Sec Ops  and CI/CD pipeline experience
• Continuous Integration utomated Testing evOps
• Experience working in Agile teams using SAFe, Scrum, Kanban or other methodologies and/or understanding of Agile development concepts
• Experience designing and documenting microservice-based architectures
• Experience with relational and/or No
  
  SQL databases
• Experience with distributed systems (services and databases)
• Strong background developing /debugging and/or testing of web applications and web services
• Proficient in AI prompting as it applies to this position and practice

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…