✦ Luna Orbit — Software Engineering

Software Engineer SME

at Leidos Holdings

📍 Gaithersburg, MD Unknown 💰 $131K – $237K USD / year Posted March 13, 2026
Salary $131K – $237K USD / year
Type Not Specified
Experience senior
Exp. Years Not specified
Education Not specified
Category Software Engineering

This role involves designing and developing secure, scalable software solutions for defense and intelligence applications, leading technical efforts, and ensuring compliance with security standards.

  • Design scalable software
  • Develop RESTful services
  • Lead technical teams
  • Maintain secure systems
  • Collaborate with stakeholders

The technical environment includes object-oriented programming, REST API development, Linux, GitLab CI/CD, DevSecOps practices, and cloud-native methodologies, supporting mission-critical defense projects.

The ideal candidate is a senior software engineer with extensive experience in object-oriented programming, REST API development, and cloud-native solutions. They possess a strong background in secure, scalable software systems within a defense or government environment and hold an active Top Secret clearance.

Object-Oriented ProgrammingREST API DevelopmentLinux EnvironmentsGitLab CI/CDActive Top Secret clearance
DevSecOpsAgile methodologiesCloud-native developmentDatabase schema designSecurity clearance management
GitLabLinuxAgileDevSecOps
Object-Oriented ProgrammingREST APILinuxGitLab CI/CDDevSecOpsAgileSecurity ClearanceTop SecretPolygraphCloud-nativeScalable softwareSecure systems
Object-Oriented ProgrammingREST API DevelopmentFront-End DevelopmentSQLDatabase DesignLinuxGitLab CI/CDDevSecOpsAgileSecure Software DevelopmentCloud-nativeActive Top Secret clearancePolygraph
Technical LeadershipMentoringCollaborationProblem-solvingCommunication

Required

Active Top Secret clearance
Industry Defense, Government/Public Sector
Job Function Senior Software Engineer SME for defense and intelligence software solutions
Clearance Required Top Secret with SCI eligibility
Software EngineerObject-Oriented ProgrammingREST APIFront-End DevelopmentSQLLinuxGitLab CI/CDDevSecOpsAgileSecurity ClearanceTop SecretPolygraphCloud-nativeScalable softwareSecure systems

Lack of active Top Secret clearance, No experience with secure software development, Unwillingness to work in Gaithersburg, MD, Lack of experience with DevSecOps, No background in defense or government projects

Apply for this Position →

Get matched to jobs like this

Luna finds roles that fit your skills and career goals — no endless scrolling required.

Create a Free Profile