Jobs Companies Leidos Senior Software Engineer

About this Senior Software Engineer role at Leidos

Leidos · Onsite · Chantilly, VA

Leidos is seeking a Software Developer 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 Developer 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:

  • List daily duties and/or specific job responsibilities.
    • Maintain and modernize legacy applications
    • Ability to write/develop custom scripts to install and configure code in EC2 instances
    • Leverage Amazon Web Services
    • Design and utilize custom ETL Methodology
    • Develop RESTful API (spring boot)
    • Develop Java and Angular (Typescript) applications leveraging Elasticsearch
    • Conduct unit testing and peer code reviews
    • Utilize automated testing frameworks (Selenium)
    • Possess strong communication, design, and documentation skills
    • Possess strong organization, time, and workflow management skills
    • Collaborate with internal/external teams to deliver technically sound solutions
    • Ability to methodically think through technical challenges in a collaborative team environment in order to provide technically sound solutions
    • Work within the parameters of Agile & Scrum methodologies
    • Mentor junior developers on community best practices

Required Quals:

  • Active TS/SCI with Polygraph
  • BS degree and 8+ years of prior relevant experience. Additional experience in lieu of degree.
  • Full Stack Development
  • Experience in multiple programming languages (Java, spring boot, Angular (Typescript), and the Cloud / Amazon Web Services)
  • Experience in reading and developing solutions to satisfy customer requirements and specifications
  • Experience working in Command Line (RH Linux)
  • Experience developing custom ETL methodology
  • Knowledge of Confluence, Jira, Git, and Jenkins

Desired Quals:

  • Experience with Identity and Accessibility development practices
  • Experience with containerization and modular development
  • Experience with automation methodologies like selenium
  • Experience with automation services such as Rundeck
  • Familiarity with UI/UX Design
  • Certification - Amazon Web Services (AWS)

#MSBA

FIP

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:

September 17, 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 $107,900.00 - $195,050.00

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.

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How this Software Engineer salary compares

This role pays $151,475/yrin line with the typical range for Software Engineer roles.

$113,700 median $159,000 $217,714

Typical range $139,950–$191,441/yr, from 114 comparable Software Engineer listings on JobsRadar (pay annualized to USD). See Software Engineer salary insights →

About Leidos

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 $17.2 billion for the fiscal year ended January 2, 2026. 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

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