The Defense Sector at Leidos is currently seeking a Junior Software Engineer to join a collaborative, product-focused engineering team. In this role, you will contribute to the design, development, testing, and delivery of software products written primarily in Java, Rust and JavaScript. You will work within an Agile development environment, partnering closely with other engineers, product managers, and stakeholders to deliver high-quality software that meets user needs.
This position does allow the ability to telework, but the chosen candidate must be within a reasonable driving distance to one of the following four locations - Morgantown WV, Orlando, FL Omaha NE, or Huntsville AL. Weekly on-site work at one of these four locations is required.
Primary Responsibilities:
Design, develop, and maintain software components and services using Java, Rust, and JavaScript
Build and enhance user-facing features using React
Collaborate with a cross-functional Agile team using Jira for planning, tracking, and execution
Contribute to continuous delivery pipelines with a strong emphasis on automated testing
Write and maintain unit, integration, and system tests to ensure software quality and reliability for backend and frontend systems
Leverage generative AI tools to assist with development, testing, documentation, and problem-solving where appropriate
Participate in code reviews, design discussions, and sprint ceremonies
Work closely with product and user-facing teams to incorporate feedback and improve functionality and usability
Support ongoing improvements to development practices, tooling, and processes
Basic Qualifications:
US Citizen with the ability to obtain and maintain a Top Secret clearance with 365 days from the start of your employment with Leidos.
Bachelor's degree in a relevant field and 0-2 years of professional software development experience or a Master’s degree. Additional experience may be considered in lieu of a degree
Proficiency in Java, Rust, and/or JavaScript, with willingness to work across both languages
Experience working in Agile/Scrum environments
Familiarity with Jira or similar Agile project management tools
Experience with automated testing frameworks and test-driven or test-focused development practices
Strong problem-solving skills and attention to detail
Ability to work effectively as part of a larger engineering team
Preferred Qualifications:
US Citizen with an active Top Secret clearance.
Experience with CI/CD pipelines and continuous delivery practices
Exposure to cloud-based or distributed systems
Experience using or experimenting with AI-assisted development tools
Understanding of software usability and user-centered design principles
What We Offer
Opportunity to work on impactful software products delivered continuously to users
A collaborative team environment that values learning, feedback, and improvement
Support for modern development practices, automation, and emerging tools
Competitive compensation and comprehensive benefits package
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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.
May 26, 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 a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
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 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, visit careers.leidos.com for our latest opportunities.
