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Lockheed Martin Logo

Software Engineer Sr - Level 3 - Top Secret Clearance Required

Lockheed Martin

Salary not specified
Dec 17, 2025
King of Prussia, PA, US
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Lockheed Martin Space is seeking to protect space assets by developing cutting-edge web applications within the Victor Portfolio of Space Security. The goal is to support a critical space security mission by creating future-ready solutions that ensure resiliency and security in space.

Requirements

  • Experienced in software development using programming and scripting languages such as Java, JavaScript, C-Sharp, Python, etc.
  • Experience working in an Agile development environment, including tools such as Jira and Confluence
  • Experience in application containerization (e.g. Docker, Kubernetes, Helm, etc.) in a cloud environment (AWS/Azure/Openstack/Openshift)
  • Experience with frameworks such as .NET Core, Angular, etc.
  • Experience with GitLab CI/CD - Deployment pipelines, automated build, and/or configuration tools
  • Experience with databases (PostgreSQL & Redis)
  • Strong knowledge of modern technology frameworks, cloud platforms (AWS, Azure, GCP), microservices, APIs, DevOps, and data architecture.

Responsibilities

  • Collaborate with an exceptional team of Software Engineers implementing solutions and developing new features for a command and control application.
  • Serve as a software developer on an Agile team tasked with developing cutting edge web applications within multiple classification domains.
  • Participate in daily scrums, software sprint/release planning, demos, and retrospectives.
  • Develop & demonstrate software capabilities to both internal and external partners.
  • Apply Software Engineering background to develop web applications in an open architecture infrastructure.
  • Work on a variety of tasks in various areas across the mission and collaborate with the development teams, contractors, customers, and subject matter experts.
  • Participate in the entire engineering life-cycle as a key member of the software development team.

Other

  • US citizenship is required to obtain a government security clearance
  • Ability to obtain and maintain a Top Secret and SCI clearances
  • Must meet eligibility requirements for access to classified information and maintain the required security throughout the course of employment
  • Work onsite at a designated Lockheed Martin facility
  • Work schedule follows a 9x80 every other Friday off schedule