Jr. Software Developer

• Join one of the longest-running Leidos contracts, spanning over 30 years. Enjoy extensive career mobility and professional growth.
• Early bird or night owl? Work the hours that suit you, whether starting at 5 am or wrapping up at 4 am.
• Engage in meaningful projects with systems going into production within six months. Your work matters here.
• Any hours worked beyond the standard 40-hour workweek are compensated at straight time rates.

Have an advanced degree or continuing education in computer science? Maybe you have a knack for advanced math or physics? Perfect. If you’re a whiz with cluster computing, signal processing, Kubernetes, numerical simulation, multi-threading, GPUs, data visualization, underwater acoustic modeling, or sonar systems, you’re exactly who we need., * 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, and a solid grasp of software engineering principles.

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

Ready to break away from the ordinary and dive into an extraordinary career? At Leidos’ High Fidelity Simulation Business Area, we’re not just building systems-we’re revolutionizing the future of naval simulation, training, and analysis for the US Navy. Imagine being part of a team where your work directly redefines naval capabilities. That’s the Leidos experience.

Forget the cookie-cutter corporate gig. Here, every day is a new adventure. You’ll be at the cutting edge, working with state-of-the-art tech to shape naval training systems like CIAT - Combined Integrated Air and Missile Defense (IAMD) and Anti-Submarine Warfare (ASW) Trainer . As a Software Engineer, you’ll develop real-time software on Linux using C++ and Java, diving deep into all phases of the development process, using the best available tools and modern architectures.

Your work won’t just sit on a shelf. It’ll be front and center, shaping the trajectory of naval operations. Plus, you’ll get the chance to travel to strategic locations like Pearl Harbor, San Diego, and Norfolk, immersing yourself in the real-world impact of your creations., Ready to make waves in your career? At Leidos, we don’t just offer jobs-we offer a chance to drive innovation and make a tangible difference. Be part of something bigger. Join Leidos and embark on a career that’s anything but traditional.

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares. July 22, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range $57,850.00 - $104,575.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .