Software Developer SME

Leidos is seeking a Software Engineer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers and data engineers. The successful candidate will support continuity of our customer’s mission by helping to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted availability of IT systems.Primary Responsibilities:o Comfort and familiarity in maintaining legacy applicationso Experience in modernization of legacy applicationso Ability to write custom scripts to install and configure code in EC2 instanceso Experience leveraging Amazon Web Serviceso Experience creating RESTful APIo Experience with spring booto Develop Java and Angular (Typescript) that leverage Elasticsearcho Comfort and familiarity designing and utilizing custom ETL methodologyo Strong communication, design, and documentation skillso Strong time and workflow management skillso Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute)o Work within the parameters of Agile & Scrum methodologieso Willingness to mentor and teach junior developers’ community best practices in a constructive fashiono Ability to methodically think through new and exciting challenges in a collaborative team environment in order to provide technically sound solutionsRequired Qualifications• Active TS/SCI with Polygraph• Master's degree and 15+ years of experience. Additional experience in lieu of degree.• Must have experience with Java, spring boot, Angular (Typescript), and the Cloud / Amazon Web Services• Prior experience reading and developing solutions to customer requirements and specifications• Prior experience developing custom ETL• Knowledge of Git, Jenkins, selenium, and Rundeck• Experiencing working in Command Line (RH Linux)Desired Qualifications• Understanding and knowledge with Identity and Accessibility development practices• Experience with automation methodologies like selenium• Experience with containerization and modular development• Familiarity with UI/UX Design• Full Stack Development• Certification - Amazon Web Services (AWS)FIPIf 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:June 29, 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.Pay Range:Pay Range $154,050.00 - $278,475.00The 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.SummaryLocation: Chantilly, VAType: Full time