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Leidos
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April 15, 2026
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Jr. Software Developer

Manassas, VA
Full-time
Onsite
$58K/yr - $105K/yr
New Grad, Entry Level
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. They are seeking a Jr. Software Developer to work on naval simulation, training, and analysis for the US Navy, developing real-time software on Linux using C++ and Java. The role involves engaging in meaningful projects that have a direct impact on naval operations.
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Responsibilities

  • Develop real-time software on Linux using C++ and Java
  • Dive deep into all phases of the development process, using the best available tools and modern architectures
  • Shape naval training systems like CIAT - Combined Integrated Air and Missile Defense (IAMD) and Anti-Submarine Warfare (ASW) Trainer
  • Travel to strategic locations like Pearl Harbor, San Diego, and Norfolk

Qualification

Required

  • B.S./B.A. in Computer Science or equivalent experience
  • U.S. Citizenship and eligibility for a U.S. Government granted security clearance
  • Interim Secret security clearance required for employment
  • 0+ years of C++ or Java software development
  • Strong Linux tools/library knowledge
  • Solid grasp of software engineering principles

Preferred

  • Advanced degree, continuing education in computer science, or advanced math/physics background
  • Experience in cluster computing
  • Experience in signal processing
  • Experience in Kubernetes
  • Experience in numerical simulation
  • Experience in multi-threading
  • Experience in GPUs
  • Experience in data visualization
  • Experience in underwater acoustic modeling
  • Experience in sonar systems
  • Familiarity with Agile development
  • Familiarity with Atlassian products
  • Familiarity with DevSecOps methods/tools (Gitlab, Conan, Jenkins, Docker)

Benefits

  • Health and Wellness programs
  • Income Protection
  • Paid Leave
  • Retirement
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.
Glassdoor
3.9
Founded in 1969
Reston, Virginia, USA
10001+ employees
https://www.leidos.com