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Senior Test Engineer

Leidos
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Annapolis Junction, MD, USA
May 06, 2026
Leidos has a new and exciting opportunity for a Senior Test Engineer in our Intelligence Sectors, Cyber and Analytics Business Area (CABA).  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!  

Job Summary

Join a high-impact program delivering critical data capabilities that directly support national security operations. You’ll play a key role in ensuring the reliability and integrity of complex data pipelines and systems, working at the intersection of software, infrastructure, and mission-driven analytics.

Primary Responsibilities

  • Own the testing strategy as the lead Test Engineer on a fast-paced, mission-critical program
  • Partner directly with software and DevOps engineers to deliver high-quality, resilient systems
  • Design, develop, and execute automated and manual tests across system, integration, regression, and stress scenarios
  • Develop and maintain test documentation, including test plans, test cases, and test reports
  • Validate data ingest pipelines and ensure alignment with data lifecycle management requirements
  • Identify, document, and track defects through resolution
  • Contribute to automated testing efforts using tools such as JUnit and Mockito

Basic Qualifications

  • 8 years of experience as a Test Engineer supporting programs of similar scope and complexity
  • Bachelor’s degree in a technical field (or 4 additional years of experience in lieu of degree)
  • Experience with automated testing and scripting (e.g., Python, Java, Bash)
  • Hands-on experience with testing tools such as JUnit and Mockito
  • Experience testing in Linux environments and familiarity with AWS
  • Demonstrated understanding of data ingest processes and data lifecycle management
  • Clearance Requirement - Active TS/SCI with Polygraph

conmd

CSSRC

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:

March 19, 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 $116,350.00 - $210,325.00

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.

Security Clearance

TS/SCI
About Leidos
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