Senior Test Engineer

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. 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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit 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 here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity 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.