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Test Engineer Security Clearance

Job in Chantilly, Fairfax County, Virginia, 20151, USA
Listing for: Open Systems Technologies Corporation
Full Time position
Listed on 2026-06-02
Job specializations:
  • Software Development
    Software Engineer, Software Testing, Agile Developer
Job Description & How to Apply Below
Position: Test Engineer with Security Clearance
Open Systems Technologies is looking for a Testing Engineer to conduct testing of technically complex software applications.

Essential Functions:

* Evaluate and understand system's requirements and capabilities. Analyze high-level requirements to derive test cases.

* Develop test procedures to validate and verify requirements and capabilities.

* Perform testing on complex software applications and provide associated documentation and recommendations.

* Document workflows.

* Support test team execution, including providing input for test reviews.

Qualifications:

* CLEARANCE:
Active TS/SCI w/CI poly required

* 6+ years of experience testing software applications Sound understanding of, and experience with, the testing process at both the unit testing and system testing levels.
* Experience in developing test plans/procedures, expected outcomes, and verification statements.

* Playwright automated test experience or similar (previously used Selenium)

* Comprehensive understanding of Agile & Dev Ops methodology and culture.

* Understanding of software lifecycle management skills related to application development tasks and planning testing cycles.

* Ability to apply in-depth knowledge of the Software Development Life Cycle to help anticipate complexities in the system.

* Proficient in JIRA/Confluence (or equivalent) and MS Excel spreadsheets.

* Strong oral and written communication skills.

* B.S. or M.S. degree in Software Engineering, Computer Science, Quality Engineering, or a related technical field. Preferred Additional

Skills:

* Active TS/SCI security clearance + CI Polygraph

* Security+ certification

* Experience with Java, ideally comfortable reading (not coding) Java to understand the code being tested when necessary.

* Experience with modern web client technologies and the associated front-end to-backend interactions.

* Experience developing/testing software using an Agile/Scrum methodology.

* Comfortable working with aggressive timelines, in a team environment, self-starter, and ability to work independently with a willingness to learn and grow.

* It would be beneficial for the candidate to have some background in space systems. BENEFITS Our company OST has been operating since 1996 and have various contracts with Government agencies. We offer a comprehensive benefit package that includes 3 weeks paid time off, 2 weeks Holiday pay, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end of year profit sharing paid out in 401k.
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