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Leidos has a new and exciting opportunity for a Senior Java Software Engineer in our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary

Build scalable Spring Boot applications, deploy to Kubernetes, and help modernize mission-critical Intelligence systems supporting national security.

Leidos is seeking a Java Software Engineer to join an Agile development team responsible for enhancing and modernizing a mission-critical enterprise application. You'll help evolve a high-performance Java platform that processes large volumes of operational data while transitioning to a modern, containerized architecture.

Working alongside experienced software engineers, you'll develop Spring Boot services, build RESTful APIs, optimize relational databases, and contribute to Kubernetes deployments and CI/CD automation. This is an opportunity to work across the full software development lifecycle, influence technical direction, and deliver software that directly supports critical Intelligence missions.

If you're passionate about backend engineering, modern Java development, scalable architectures, and continuous improvement, you'll find challenging technical work, a collaborative engineering culture, and the opportunity to make a meaningful impact.

Primary Responsibilities

• Design, develop, test, and maintain enterprise Java applications using Spring Boot and modern software engineering best practices.


• Develop scalable RESTful APIs and backend services supporting mission-critical applications and high-performance enterprise systems.


• Design, optimize, and troubleshoot relational database solutions using MariaDB and other enterprise database technologies.


• Support application modernization initiatives through containerization, Kubernetes deployments, and continuous improvements to system architecture.


• Participate in technical design sessions, architecture discussions, code reviews, troubleshooting, and Agile software development activities.


• Develop and maintain automated testing solutions and GitLab CI/CD pipelines to improve software quality, deployment efficiency, and operational reliability.


• Collaborate with cross-functional engineering teams using Jira and Confluence while supporting the complete software development lifecycle.

Basic Qualifications

• Bachelor's degree in Computer Science or a related technical discipline from an accredited college or university. Candidates without Bachelors degrees will require an additional 4 years of software engineering experience.


• Minimum of twelve (12) years of software engineering experience on programs and contracts of similar scope, type, and complexity.


• Experience developing Java enterprise applications using Spring Boot or similar modern frameworks.


• Experience developing RESTful APIs and working with relational databases such as MariaDB, PostgreSQL, Oracle, or similar technologies.


• Experience with container technologies (Docker or Podman), Kubernetes, or other modern application deployment platforms.


• Experience working in Agile development environments using Git-based source control, CI/CD pipelines, and automated testing practices.


• Security Clearance Requirement: Active TS/SCI with Polygraph.

Preferred Qualifications

• Experience developing Angular or other modern web applications.


• Experience with microservices architecture, application modernization, or cloud-native software development.


• Experience implementing GitLab CI/CD pipelines and DevSecOps best practices.


• Experience tuning SQL performance and supporting high-volume enterprise applications.


• Experience using Jira and Confluence to support Agile software development.


• Strong troubleshooting, debugging, and problem-solving skills across application, database, and deployment technologies.


• Experience supporting enterprise software within secure or classified environments.

Original Posting

July 31, 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

Pay Range $131,300.00 - $237,350.00

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.

About Leidos

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

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.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.