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Test Engineer

ECS Tech Inc • Stafford, Virginia, United States

onsitefull-time
Posted Jan 28, 2026

Role & seniority: Test Engineer, experienced/senior level (5+ years CODIS testing; capable of leading/mentoring testers)

Stack/tools: .NET client-server app; test automation frameworks (Selenium, Playwright, Appium, Robot, Cucumber); performance testing (JMeter, K6, LoadRunner); web/front-end, web services/APIs, databases; test datasets; GitLab pipelines

Top 3 responsibilities

  • Design, expand, and maintain automated test automation framework; implement tests in GitLab pipelines

  • Develop and execute manual and automated tests across web, APIs, and databases; perform integration and cross-browser/platform testing

  • Collaborate with DevOps and development teams; provide guidance/mentorship on business logic and system architecture; ensure quality and scalability

Must-have skills

  • Secret security clearance; 5+ years CODIS testing experience

  • Experience with test suite development/maintenance and automated testing tools/frameworks

  • Experience with performance testing, cross-browser/cross-platform testing, and SAFe/Agile (Scrum/XP/Kanban)

  • Ability to generate/maintain controlled test datasets and scenarios; strong collaboration and detail orientation

Nice-to-haves

  • Leadership/mentorship experience for a team of testers; customer-facing collaboration

  • Experience with DevOps integration and end-to-end testing in mission-critical government systems

  • Location & work type: Stafford, VA; on-site in-office; full-time, government/mission-critical app

Full Description

ECS is seeking a Test Engineer to work in our Stafford, VA office.

The ECS Team provides focused agile software development and maintenance for a mission-critical application for the government. Today, the application is a client server application developed using Microsoft .NET that supports a database repository of DNA profiles from individuals, unsolved crime scene evidence, and missing persons. The software allows local, state, and national laboratories to compare DNA profiles electronically, thereby linking serial crimes to each other and identifying suspects by matching DNA profiles from crime scenes to individuals’ profiles. Additionally, the software is used to assist with the identification of unidentified human remains, missing persons and disaster victims.

The Test Engineer will support the program with hands-on test development and execution experience implementing automated testing and integration into Gitlab pipelines. This tester is primarily responsible for designing, expanding, improving, and maintaining our test automation framework. This t ester should be self-starting and proactive; they are expected to serve as a trusted resource on the business logic in place as well as our system architecture. They are expected to work collaboratively, with minimal supervision, on teams including DevOps Engineers and Developers to ensure our application meets users’ needs, as well as business requirements and scalability characteristics. Each team member is expected to be cross-functional and take collective ownership to ensure deliverables are met and superb quality is achieved.

Qualifications

  • Secret clearance
  • Minimum 5 years of CODIS testing experience
  • Experience with test suite development and maintenance
  • Experience with automated testing tools and frameworks such as Selenium, Playwright, Appium, Robot, Cucumber, etc.
  • Experience with performance testing tools such as JMeter, K6, Loadrunner, etc.
  • Experience writing automated tests for web front ends, web services, APIs, and databases
  • Experience with manual testing
  • Experience with integration testing
  • Experience cross-browser/cross-platform testing
  • Experience working as part of an agile team using SAFe, Scrum, XP and/or Kanban
  • Generation and maintenance of controlled test datasets and scenarios
  • Desire to work in a collaborative environment
  • Quality and Detail-orientated
  • Team player who works well with customers and colleagues at all levels.
  • Ability to lead and manage a team of testers, providing clear guidance and mentorship
Test DevelopmentAutomated TestingIntegration TestingManual TestingPerformance TestingCross-Browser TestingAgile MethodologiesTeam CollaborationTest Automation FrameworkGitlab PipelinesQuality AssuranceDetail-OrientedLeadershipMentorshipControlled Test DatasetsBusiness Logicmulti-location

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