Automated Test Engineer SME

Leidos is seeking an Application Tester for a technical development program of 200+ FTE supporting the Sponsor’s Attribute/Entitlement Services within the IDAM/ICAM space. The Test Engineer will support the test of access control systems for a government customer. The successful candidate will support continuity of our customer’s mission by helping ensure secure, reliable, and uninterrupted availability of IT systems.Key Responsibilities:Design, develop, and maintain test plans for web, mobile, and API testing.Execute manual tests to identify defects and report them to the development teamCollaborate with developers and QA peers to identify test scenarios and automation opportunities.Contribute to test planning, case design, and documentation.Support the team with User acceptance teams to include roles, test scripts, reporting results and scheduling testing meetings with the UAT users.Familiar with agile methodology and continuous feature testingStay updated with emerging test automation tools and techniques.Required QualificationsMaster's degree in Computer Science, Engineering, or related field 15+ years of experience. Additional experience in lieu of degree.Software professional experience in QA with a focus on automationStrong knowledge of automation frameworks/tools (e.g., Selenium, Cypress, Playwright, Katalon)Proficiency in at least one programming/scripting language (Java, Python, JavaScript, or C#)Experience in API testing (Postman, REST Assured)Familiarity with CI/CD tools (Jenkins, GitLab CI, GitHub Actions, or Azure DevOps)Understanding of software testing methodologies, SDLC, and Agile/ScrumStrong problem-solving and analytical skillsDesired QualificationsAutomation Testing - Katalon experienceGood knowledge of SQL for database testing.Experience with version control (Git).Knowledge of performance testing tools (JMeter, Locust).Knowledge of cloud platforms (AWS, Azure, or GCP).FIP#MSBAIf 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:October 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 $139,100.00 - $251,450.00The 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: Chantilly, VAType: Full time