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Senior Test Engineer

Leidos Gaithersburg, Maryland, United States

onsitefull-time

Salary: $92,300 - $166,850 / year

Posted Feb 27, 2026

Role & seniority: Senior Test Engineer (Manual Tester) within Geospatial Analyst Solutions Directorate

Stack/tools: Manual QA; web applications; RESTful APIs; defect tracking tools; test management systems; familiarity with REST/HTTP/JSON; potential exposure to Playwright/Cypress/Selenium; CI/CD familiarity as a plus

Top 3 responsibilities

  • Develop, document, and execute manual test plans, test cases, and test scripts

  • Perform functional, regression, integration, and smoke testing; validate APIs

  • Identify, document, track, and verify defects; analyze requirements and ensure test coverage; collaborate with developers and cross-functional teams

Must-have skills

  • U.S. citizenship; Bachelor’s (CS/Engineering) with 8–12 yrs or Master’s with 6–10 yrs; or equivalent experience

  • 4+ years in software quality assurance and manual testing

  • Experience testing web apps and RESTful APIs; strong defect tracking and test artifact documentation

  • Familiarity with REST/HTTP/JSON; strong analytical, troubleshooting, and communication skills

Nice-to-haves

  • Exposure to automated testing frameworks (Playwright, Cypress, Selenium)

  • Familiarity with CI/CD pipelines and release processes

  • Security/compliance-focused testing practices

  • Location & work type: Location not specified; U.S. citizenship required; Top Secret clearance with SCI eligibility and Polygraph; full-time position

Full Description

Leidos Intelligence Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Our team’s focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets. The Geospatial Analyst Solutions Directorate, part of the National Solutions Business Area, is currently seeking a highly motivated Senior Test Engineer for the Maru program, a critical initiative focused on modernizing geospatial processing and exploitation mission software. We are seeking a detail-oriented Manual Tester to support quality assurance efforts across web applications, APIs, and microservices within an agile development environment. This role focuses on executing manual test cases, identifying defects, validating system functionality, and ensuring software meets functional and performance requirements prior to release. The ideal candidate has strong experience in manual software testing, requirements analysis, and defect tracking. This individual will work closely with developers, DevSecOps engineers, product owners, and other stakeholders to ensure high-quality, reliable software delivery. Clearance Level Required: Top Secret with the ability to obtain SCI, as well as a Polygraph. Primary Responsibilities: Test Planning & Execution: Develop, document, and execute manual test plans, test cases, and test scripts based on system requirements and user stories. Functional Testing: Perform functional, regression, integration, and smoke testing. API Validation: Validate RESTful APIs using the available tools. Defect Management: Identify, document, track, and verify defects. Requirements Analysis: Analyze system requirements and user stories to ensure complete test coverage and identify edge cases. Test Documentation: Maintain traceability matrices, test artifacts, and supporting documentation in accordance with program standards. Collaboration: Work closely with developers and cross-functional teams to clarify requirements, reproduce issues, and validate fixes. Basic Qualifications: US citizenship is required per contract. Bachelor’s degree in Computer Science, Engineering, or related field with 8-12 years of relevant experience; or Master’s degree with 6-10 years of relevant experience. 4+ years of experience in software quality assurance and manual testing. Strong experience developing and executing manual test cases. Experience testing web-based applications and RESTful APIs. Familiarity with defect tracking tools and test management systems. Working knowledge of RESTful services, HTTP, JSON, and web application workflows. Strong analytical, troubleshooting, and documentation skills. Excellent written and verbal communication skills. Preferred Qualifications: Exposure to automated testing frameworks (e.g., Playwright, Cypress, Selenium). Familiarity with CI/CD pipelines and release processes. Familiarity with security or compliance-focused testing practices. 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 27, 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 $92,300.00 - $166,850.00 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 a Fortune 500® innovation company rapidly addressing the world's most vexing challenges in national security and health. The company's global workforce of 47,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenue of approximately $15.4 billion for the fiscal year ended December 29, 2023. For more information visit 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 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 spam.leidos@leidos.com. 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.

Manual TestingTest PlanningTest ExecutionFunctional TestingRegression TestingIntegration TestingSmoke TestingAPI ValidationRESTful APIsDefect ManagementRequirements AnalysisTest DocumentationTraceability MatricesAgileWeb ApplicationsMicroservicesmulti-location

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