Software Test Engineer

ctional Agile Scrum teams to ensure delivery of high-quality software solutions.

• Analyze system and capability requirements to ensure implementations are verifiable and testable.

• Support definition and refinement of acceptance criteria within user stories.

• Develop, execute, and maintain test plans, test cases, and test procedures for both:

  • Existing system capabilities under maintenance
  • Newly developed React front-end and Java backend services

• Perform regression testing based on analysis of newly implemented features and system impacts.

• Analyze test results, document findings, create and track defects, and contribute to test reports and metrics.

• Trace test cases to capability requirements to ensure full requirement coverage and validation.

• Support the Independent Test Manager in development and execution of formal test procedures.

• Participate in sprint planning, sprint reviews, and technical discussions.

• Develop domain knowledge of the NATO mission environment to effectively contribute to system validation efforts.

• Potentially support installation and user acceptance testing activities at the customer site in Belgium.

Basic Qualifications (Required):

• U.S. Citizenship required.

• Active DoD Secret security clearance required to start, with ability to obtain and maintain DoD Top Secret security clearance.

• Bachelor's degree in Software Engineering, Computer Science, or related technical field and 4-8 years of relevant experience, or Master's degree with 2-6 years of relevant experience.

• Experience developing test plans, designing and writing test cases, executing tests, analyzing results, tracking defects, and contributing to test metrics and reports.

• Experience tracing test cases to system and capability requirements.

• Ability to determine appropriate regression test scope based on new feature implementation.

• Experience working across multiple test environments.

• Strong written and verbal communication skills.

• Demonstrated ability to work independently while contributing to team objectives.

• Ability to quickly learn complex systems and adapt to evolving priorities.

Preferred Qualifications:

• Experience testing web-based applications.

• Experience with React front-end and Java backend technologies.

• Experience with Solaris x86 and/or Red Hat Enterprise Linux (RHEL).

• Experience working in virtual machine environments.

• Experience supporting applications for DoD operations.

• Knowledge of Agile development methodologies and Scrum practices.

• Experience using Jira and Confluence.

• Experience with Jira test management plugins such as Xray or Zephyr.

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:
February 18, 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 $73,450.00 - $132,775.00

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.

About 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit https://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 available at https://www.leidos.com/careers/pay-benefits .

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected] .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.