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Defense, Government Contracting, Cybersecurity, IT Services, Aerospace, Healthcare Technology

Software Engineer

VirginiaOnsiteFull Time$131,300–$237,350 /yrPosted 1 month agoVisa sponsorship available

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Required skills

  • TS/SCI With Poly
  • Java
  • Java EE
  • Java Secure Sockets
  • Spring
  • JPA
  • Hibernate
  • Tomcat
  • REACT
  • JavaScript

Nice to have

  • travel OCONUS
  • cloud development
  • storage technologies
  • serverless functions
  • cloud APIs
  • Android app development

Role summary

Leidos is seeking a Software Engineer to join a small development team, contributing to all phases of the software development lifecycle. The role involves defining requirements, coding, testing, and documentation, with a focus on recommending and critiquing technical solutions. The ideal candidate must be self-motivated, able to work independently, and possess excellent communication and collaboration skills to interact with CONUS and OCONUS teams across time zones. A background in software engineering best practices, object-oriented design, TDD, and various development tools is essential. A TS/SCI With Poly clearance is required.

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)

#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:

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.

Sample Leidos interview questions

  • 1

    What are the key considerations when designing a highly available and consistent service registry?

    system designmedium
  • 2

    Buildings with an Ocean View Find all buildings that have an ocean view. Input: heights = [1,2,3,4] Output: [3] Explanation: Since the ocean is to the right, only the rightmost tallest building (index 3) is not blocked by any others.

    codingmedium
  • 3

    Merge K Sorted Linked Lists Merge K sorted linked lists. Input: lists = [[2,2,3],[1,5]] Output: [1,2,2,3,5] Explanation: Extracts the smallest current node iteratively using a priority queue to build a single merged and sorted linked list.

    codingmedium
  • 4

    Optimal Meeting Point Calculate the optimal meeting point for multiple people on a 2D grid. Input: grid = [[1,0],[0,1]] Output: 2 Explanation: The optimal meeting point is either (0,1) or (1,0), requiring exactly 1 step from each person resulting in a total distance of 2.

    codingmedium
  • 5

    Maximize the minimum distance between aggressive cows in stalls. Input: stalls = [0,4,3,7,10,9], cows = 3 Output: 4 Explanation: Placing the cows at positions 0, 4, and 10 yields a maximum possible minimum distance of 4 between any two cows.

    codingmedium

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