Senior Software Engineer

leidos· 00100 LEIDOS, INC.
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📍 Chantilly, VAFull time💰 USD 108K–195K

About this role

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 Engineer will work with a large team of developers, software engineers and data engineers.  The successfully 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

  • Experience in modernization of legacy applications (new software development)
  • Strong communication, design, and documentation skills
  • Comfort and familiarity in maintaining legacy applications
  • Strong time and workflow management skills
  • Comfort and familiarity designing and utilizing custom ETL methodology
  • Knowledge/experience with the development of Cloudformation scripts to generate network and application
  • infrastructure in a repeatable fashion
  • Ability to write custom scripts to install and configure code in EC2 instances
  • Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute)
  • Experience with Python.
  • Develop Java and Python applications that leverage Neo4j and Elasticsearch
  • Ability to Implement NodeJS PM2 for application monitoring and resiliency
  • Utilized SAFe agile techniques to manage workload
  • Leverage Amazon Web Services
  • Experience creating RESTful API
  • Willingness to mentor and teach junior developers’ community best practices in a constructive fashion
  • Work within the parameters of Agile & Scrum methodologies
  • Ability to methodically think through new and exciting challenges in a collaborative team environment in order to provide technically sound solutions

 

Required Skills

  • Active TS/SCI with Polygraph
  • Bachelor's degree and 8+ years of experience. Additional experience in lieu of degree.
  • Must have experience with Java, Springboot, Python and the Cloud / Amazon Web Services
  • Prior experience reading and developing solutions to customer requirements
  • Knowledge of Git, Jenkins, or Rundeck
  • Experiencing working in Command Line (RH Linux)

  

Desired Skills

  • Experience with Angular is preferred
  • Certification - Amazon Web Services (AWS)
  • 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

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:

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:

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.

Frequently Asked Questions

What is the salary for the Senior Software Engineer role at leidos?
The listed salary for this Senior Software Engineer position at leidos is USD 108K–195K. This is an Full time role.
Where is the Senior Software Engineer position at leidos located?
This Senior Software Engineer role at leidos is based in Chantilly, VA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Software Engineer role at leidos full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Software Engineer role in the 00100 LEIDOS, INC. department at leidos.
Which team or department does the Senior Software Engineer at leidos belong to?
This Senior Software Engineer position is part of the 00100 LEIDOS, INC. department at leidos. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Software Engineer position at leidos?
Click the "Apply Now" button on this page. You will be redirected to leidos's official application portal hosted on workday where you can submit your application directly.
When was the Senior Software Engineer job at leidos posted?
This Senior Software Engineer position at leidos was posted on Aug 26, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Software Engineer
leidos · 💰 USD 108K–195K
Apply for this role ↗

You'll be redirected to leidos's official application page on Workday.