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 SummaryJoin 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 ResponsibilitiesOwn the testing strategy as the lead Test Engineer on a fast-paced, mission-critical programPartner directly with software and DevOps engineers to deliver high-quality, resilient systemsDesign, develop, and execute automated and manual tests across system, integration, regression, and stress scenariosDevelop and maintain test documentation, including test plans, test cases, and test reportsValidate data ingest pipelines and ensure alignment with data lifecycle management requirementsIdentify, document, and track defects through resolutionContribute to automated testing efforts using tools such as JUnit and MockitoBasic Qualifications8+ years of experience as a Test Engineer supporting programs of similar scope and complexityBachelor’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 MockitoExperience testing in Linux environments and familiarity with AWSDemonstrated understanding of data ingest processes and data lifecycle managementClearance Requirement - Active TS/SCI with PolygraphconmdCSSRCIf 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, 2026For 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 - $210,325.00The 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.SummaryLocation: Annapolis Junction, MDType: Full time