✦ Luna Orbit — Software Engineering

Sr. Software Engineer

at Leidos Holdings

📍 Annapolis Junction, MD Unknown 💰 $131K – $237K USD / year Posted March 26, 2026
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Position Details

Salary $131K – $237K USD / year
Type Not Specified
Experience senior
Exp. Years 12+ years
Education Bachelor's Degree in a technical discipline
Category Software Engineering

About this role

This role involves developing secure, high-performance Java applications for defense and national security, requiring strong expertise in Java frameworks and security protocols.

Key Responsibilities

  • Develop secure Java applications
  • Integrate complex systems
  • Maintain security standards
  • Collaborate with cybersecurity teams
  • Ensure compliance with security protocols

Technical Overview

Focuses on Java development, system integration, security clearance compliance, and software engineering best practices within defense environments.

Ideal Candidate

The ideal candidate is a senior Java developer with extensive experience in Java frameworks, Spring Boot, and secure software development within defense or national security sectors, holding an active DoD TS/SCI clearance.

Must-Have Skills

JavaJava frameworksExperience with Spring BootExperience with JPAEJBJTAExperience with JavaFX or SwingExperience with development IDEs

Nice-to-Have Skills

CybersecuritySystems integrationNetwork engineeringSecurity protocols

Tools & Platforms

EclipseVisual Studio CodeWebStormRhapsody

Required Skills

JavaJava frameworksSpring BootJPAEJBJTAServletJacksonJerseySwingJavaFXEclipseVisual Studio CodeWebStorm

Hard Skills

JavaJava frameworksSpring BootJPAEJBJTAServletJacksonJerseySwingJavaFXEclipseVisual Studio CodeWebStorm

Soft Skills

Problem-solvingTeamworkCommunicationAnalytical thinkingAdaptabilityDetail-oriented

Industry & Role

Industry Defense / National Security
Job Function Senior Java Software Development
Role Subtype Software Engineer
Tech Domains Java, Software Development, Cybersecurity

Clearance & Visa

Clearance Required Active DoD TS/SCI with Polygraph
Visa Sponsorship No

Keywords for Your Resume

JavaJava frameworksSpring BootJPAEJBJTAServletJacksonJerseySwingJavaFXEclipseVisual Studio CodeWebStormSecurity clearanceDoD TS/SCICybersecuritySystems integrationNetwork engineeringCryptographySoftware developmentAgileObject-oriented programming

Deal Breakers

Lack of active DoD TS/SCI clearance, Less than 12 years of experience, No experience with Java frameworks

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