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Salary
$131k – $237k per year
Location
In office (Chantilly)
Seniority
Principal · 12+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 29, 2026. First seen by Alion on Sep 28, 2026. Leidos scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Leidos is an American technology and engineering services company created in 2013 when Science Applications International Corporation split in two, with Leidos taking the technical services and solutions business. It is one of the largest suppliers to the United States government, working across defence programmes, intelligence systems, civil agencies including the Federal Aviation Administration, and healthcare services for the Department of Veterans Affairs. Headquartered in Reston, Virginia, the company also builds security detection products for airports and borders, and has concentrated recent investment on trusted artificial intelligence and autonomy for mission environments.

This position is for a software engineer to join a small development team. This engineer will be responsible for participating in all aspects of the software development life cycle including requirements definition and analysis, coding and implementation, system test, and documentation generation and support. The ideal candidate will have strong problem solving skills, and must be able to communicate effectively and work in a collaborative team environment. This includes being experienced in recommending creative and sound technical solutions as well as reviewing and critiquing proposed technical solutions. Ability to self-motivate and work independently is a must.

The program is made up of CONUS and OCONUS teams who regularly interact across varying time zones. As a result, the candidate must have excellent communication skills and be flexible with regards to teamwork and tasking. A demonstrated ability to perform in cross-functional teams to achieve results in a timely manner is desired.

This is a technical position to support a wide variety of mission activities performed both locally and OCONUS. Candidates should have a background in software engineering best practices, object-oriented concepts and design, test driven development and unit testing frameworks like JUnit, Java build environments, library dependency management, configuration management and integrated development environments (IDE) like VS Code, Eclipse, or IntelliJ.

Primary Responsibilities:

  • Actively participate in requirements identification, definition and analysis
  • Create detailed design documentation
  • Develop and test software to include writing meaningful unit tests
  • Propose changes to current Java infrastructure
  • Participate in code reviews with peers
  • Prepare and produce software components that are deployable with associated deployment documentation
  • Support production systems by helping to troubleshoot issues by analyzing log files and associated data

Clearance Requirement: Must have an active and in-scope TS/SCI With Poly to be considered

Required Skills, Experience, and Education:

  • Bachelor’s degree in software engineering, computer science, or related subject and at least 12 years of experience OR Master’s degree in software engineering, computer science, or related subject and at least 10 years OR 16 years relevant work experience with a combination of college coursework and certifications in lieu of degree

Proficient in the following technologies and programming languages:

  • Java, Java EE, Java Secure Sockets, Spring, JPA or Hibernate
  • Tomcat (or similar app server)
  • Experience using REACT or other JAVASCRIPT technologies - with additional experience using HTML, CSS, Building and Consuming RESTful web services
  • Scripting languages (Python and/or Bash)
  • Agile software development and tools like Jira
  • MySQL database (or similar relational database experience)
  • git (experience with version control systems)
  • VS Code, Eclipse, or IntelliJ IDE
  • Ant with Ivy or comparable build tools like Maven or Gradle
  • Linux (RHEL/Rocky) command line experience
  • Cloud development experience helpful

Desired Qualifications (one or more preferred):

  • Willingness to travel OCONUS to support software deployments and upgrades
  • Experience with cloud development including storage technologies, serverless functions and accessing cloud APIs
  • Experience with Android app development and security best practices
  • Experience with automated test tools
  • Familiarity with Linux system administration (RHEL/Rocky)

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 28, 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.

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