Software Engineer Sr - E3

Space Security Software Engineer

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.

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.

• Recent experience using Java, JavaScript, and Node.js, for full-stack software development
• Experience with Git/Gitlab/Git Bash for software version control
• Experience with CI/CD - deployment pipelines, automated build, and configuration tools
• Experience with application containerization (e.g., Docker, Kubernetes, Helm, Rancher, etc.) in a cloud environment (AWS/Azure/Openstack/Openshift)
• Bachelor's degree in computer science, computer engineering, another engineering discipline, or equivalent experience
• Familiarity with software test best practices, including unit test, integration test, and end-to-end test
• Experience working in an Agile development environment, using tools such as Jira and Confluence
• Active Top Secret security clearance required to start

• Three years' experience developing software on the Whiskey program
• Experience as a maintainer on the Whiskey Program
• Active Whiskey program clearance
• Experience with API design and development, such as RESTful APIs
• Experience with microservices and microservice architecture
• Recent JavaScript library experience with web-based components (e.g., Lit, React, Angular)
• Experience with Lit for JS front-end
• Experience with CesiumJS
• Experience with HTML/CSS
• Experience with Quarkus for backend Java development
• Experience with Helm charts for infrastructure as code (IaC)
• Knowledge of database management systems, such as PostgreSQL or MySQL
• Familiarity with the Space Domain
• Ability to communicate effectively and work in a collaborative environment
• Experience in running unit tests with Playwright and/or integration testing with Cucumber
• Experience working on large-scale software projects with multiple teams and stakeholders
• Proficient in AI prompting as it applies to this position and practice

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…