About Leidos
Leidos is a FORTUNE 500® company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and health industries. We deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success.
The Leidos Intel Sector combines technology-enabled services and mission software capabilities to support Intelligence Community customers as they address evolving national security challenges.
About the Opportunity
Leidos is seeking a Junior Software Engineer to join a team developing, maintaining, and enhancing software systems supporting critical mission needs.
This is an opportunity for an early-career software engineer to contribute to real-world software development while working individually and as part of an engineering team. You'll analyze requirements, design and modify software, debug defects, integrate software into operating environments, and help test software components against documented requirements.
No demonstrated professional software engineering experience is required for this position.
Why This Role Matters
Mission software must continue to evolve as requirements, technologies, and operational needs change. As a Junior Software Engineer, you'll contribute directly to the development and improvement of software capabilities while building experience across the software engineering lifecycle.
What You'll Do
Software Development & Integration
Analyze user requirements to derive software design and performance requirements.
Design and code new software or modify existing software to add new features.
Debug existing software and correct defects.
Integrate existing software into new or modified systems and operating environments.
Develop simple data queries for existing or proposed databases and data repositories.
Software Quality & Engineering Practices
Review and test software components for adherence to design requirements and document test results.
Help resolve software problem reports.
Apply software development and design methodologies appropriate to the development environment.
Provide recommendations for improving documentation and software development process standards.
Contribute to software-related system design considerations, including hardware/software tradeoffs, software reuse, COTS/GOTS alternatives, and requirements analysis from the system level to individual software components.
Required Qualifications
Clearance
TS/SCI with Polygraph required upon Application, to be considered for this position.
Education & Experience
Candidates may qualify through either of the following paths:
Bachelor's degree in Computer Science or a related discipline from an accredited college or university. No demonstrated software engineering experience is required.
OR
Four (4) years of Software Engineering experience on projects using similar software processes may be substituted for the bachelor's degree.
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.
August 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.
