Join Our Innovative Team at Leidos!
Job Description: Jr Software Developer
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.
Why You’ll Love Working Here
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 Impact
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.
We’re Looking for Innovators Like You
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.
What’s in It for You?
Stability & Growth: Join one of the longest-running Leidos contracts, spanning over 30 years. Enjoy extensive career mobility and professional growth.
Flexibility: Early bird or night owl? Work the hours that suit you, whether starting at 5 am or wrapping up at 4 am.
Impactful Work: Engage in meaningful projects with systems going into production within six months. Your work matters here.
Overtime Compensation: Any hours worked beyond the standard 40-hour workweek are compensated at straight time rates.
Required Education & Experience
Education: B.S./B.A. in Computer Science or equivalent experience.
Citizenship: U.S. Citizenship and eligibility for a U.S. Government granted security clearance. Interim Secret security clearance required for employment.
Skills: 0+ years of C++ or Java software development, strong Linux tools/library knowledge, and a solid grasp of software engineering principles.
Desired Experience
Education: Advanced degree, continuing education in computer science, or advanced math/physics background.
Skills: Experience in cluster computing, signal processing, Kubernetes, numerical simulation, multi-threading, GPUs, data visualization, underwater acoustic modeling, and sonar systems.
Tools: Familiarity with Agile development, Atlassian products, and DevSecOps methods/tools (Gitlab, Conan, Jenkins, Docker).
Join Us at Leidos
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.
Original Posting:February 25, 2026For 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.
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.
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
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