Software Developer SME
At a glance
Mid-level Software Engineering role at Leidos. Chantilly · full-time · $154,050–$278,475 base.
techroles summary, based on the employer's posting.
What you'll do
- Maintain older applications and help move them onto current approaches while keeping IT services secure and available
- Build Java and Angular features with Elasticsearch, REST APIs, and Spring Boot
- Write scripts to install and configure code on EC2, and create custom ETL workflows
- Test and review code using unit tests, peer reviews, and Selenium automation
- Work in Agile and Scrum, document technical designs, and coach junior developers
What you bring
- Active TS/SCI clearance with a polygraph
- A master’s degree and at least fifteen years of experience, or additional experience instead of the degree
- Hands-on experience with Java, Spring Boot, Angular with TypeScript, and AWS
- Experience translating customer requirements into solutions and building custom ETL
- Knowledge of Git, Jenkins, Selenium, Rundeck, and command-line work in Red Hat Linux
Who this fits
You’ll suit a hands-on software engineering role working with developers and data engineers on customer systems. The work includes mentoring junior developers and collaborating through Agile and Scrum. The role is based in Chantilly and requires an active TS/SCI clearance with a polygraph.
From the employer
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 applications
o Experience in modernization of legacy applications
o Ability to write custom scripts to install and configure code in EC2 instances
o Experience leveraging Amazon Web Services
o Experience creating RESTful API
o Experience with spring boot
o Develop Java and Angular (Typescript) that leverage Elasticsearch
o Comfort and familiarity designing and utilizing custom ETL methodology
o Strong communication, design, and documentation skills
o Strong time and workflow management skills
o 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 methodologies
o Willingness to mentor and teach junior developers’ community best practices in a constructive fashion
o Ability to methodically think through new and exciting challenges in a collaborative team environment in order to provide technically sound solutions
Required 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)
FIP
#MSBA
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:
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.
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