Software Engineer Sr. - (TS/SCI)

  • Lockheed Martin
  • King of Prussia, Pennsylvania
  • Full Time
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. Were creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security vision. Were erasing boundaries and forming partnerships across industries and around the world. Were advancing spacecraft and the workforce to fuel the next generation. And were 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.

Within LM Space, the Fishhooks Program is looking for a highly motivated individual to join the program area as a Software Engineer Senior to support the development team. As part of an Agile team, you will have the opportunity to work on a variety of tasks in various areas across the mission and collaborate with the development teams, customers, and subject matter experts.

If you are looking for a challenging, collaborative, fast paced environment then this is the position for you.

Note: This position requires a government security clearance, US citizenship is a requirement for consideration.

In this position you will:

Collaborate with an exceptional team of Software Engineers implementing solutions and developing new features for an RPO mission planning, scheduling, and command and control application.

Serve as a software developer on an Agile team tasked with developing cutting edge web applications within multiple classification domains to serve an emerging area of protecting USG space assets.

Participate in daily scrums, software sprint/release planning, demos, and retrospectives.

Design, develop & demonstrate software capabilities to both internal and external partners.

Work on a mission that you can be proud of, knowing that you are making a lasting difference in the world and in the Space domain. Bachelor's degree in a related discipline, such as Computer Science, Software Engineering or other engineering disciplines or equivalent experience

Experience in software development using programming or scripting languages such as C#, JavaScript, Java, or Python

Software design, problem solving, and troubleshooting skills

This position requires an Active DOD Security Clearance to begin employment, at a minimum level of:Top Secret with active SCI

Experience working in an Agile development environment, using tools such as Jira and Confluence Full development lifecycle experience

Experience with the frameworks .NET Core and Angular

Experience working as a member of an Agile Scrum or Kanban team

Experience with databases (PostgreSQL & Redis)

Experience with GitLab CI/CD - Deployment pipelines, automated build, and/or configuration tools

Experience will cloud native development (Docker, Kubernetes, Helm)

Familiarity with Mission Planning software applications for satellites, antennas, and ground hardware assets

Familiarity with proximity operations, & satellite mission planning

Experience with LMs Conductor or Compass products

Experience withDevSecOps

Experience with Git, JIRA, Confluence

Ability to communicate effectively and work in a collaborative environment

Familiarity with the Space Domain

Knowledge of Orbital dynamics

Experience producing quality documentation

Ability to obtain/maintain a TS/SCI clearance; US citizenship is required (no clearance is required to start; unclassified work is available until the clearance is obtained)

Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information, and must maintain the required security throughout the course of employment

#LMSpaceSoftwareEng
#SpaceSecurity
Job ID: 522777492
Originally Posted on: 5/28/2026

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