> Markdown version of [/jobs/ext/1593212-mcco-senior-test-engineer-active-ts-sci-ci-poly](https://www.wearedevelopers.com/jobs/ext/1593212-mcco-senior-test-engineer-active-ts-sci-ci-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # MCCO Senior Test Engineer | Active TS/SCI CI Poly - **Company:** General Dynamics Information Technology - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Salary:** $106,250.0 - $143,750.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Unit Testing, Custom Software, Software Engineering, System Testing, Test Data, Test Scripts, Integration Tests, Cyber Warfare, Software Performance - **Published:** July 12, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=2d15f4ebf92cdd54 ## About the Role Bring your software engineering expertise along with a drive for innovation to GDIT. Our Senior Test Engineer must have: * Security Clearance Level: Active TS/SCI with CI Poly * Experience: 5+ years of software test engineering experience. * Education: Bachelor's Degree; additional years of experience may be considered in lieu of degree. * Work Location: Onsite in Ft. Meade, MD. * US Citizenship Required, 5 + years of related experience * may vary based on technical training, certification(s), or degree ## Description Transform technology into opportunity as a Senior Test Engineer at GDIT. Shape what's next for mission-critical government projects while shaping what's next for your engineering career. The Marine Corps Cyberspace Operations (MCCO) Tool Developer program builds custom software that supports real-world cyber missions. Developers create tools that help defend Marine networks, identify vulnerabilities, automate cyber tasks, and support authorized offensive cyber operations. It's a hands-on, mission-driven role where you'll design and prototype solutions used directly by Marine Corps cyber teams and U.S. Cyber Command., As a Senior Test Engineer, the work you'll do for GDIT will be impactful to the mission of Marine Corps Forces Cyberspace Command (MARFORCYBER) at Ft. Meade, MD: * Provide Software Test and Evaluation Capability - plan, prepare, and perform testing, evaluation, verification, and validation of software to evaluate results against specifications, requirements, and operational need. * Developing and maintaining comprehensive test plans and test cases to ensure that software meets specifications, requirements, and operational needs * Conducting unit testing, integration testing, system testing, and acceptance testing to identify and report defects and discrepancies * Evaluating software performance, scalability, and reliability to ensure that it meets operational requirements * Verifying that software meets functional and non-functional requirements, including security, usability, and accessibility * Validating that software meets operational needs and user expectations, including conducting user acceptance testing and feedback sessions * Identifying and reporting defects and discrepancies, and collaborating with development teams to resolve issues and implement fixes * Developing and maintaining test environments, including test data, test scripts, and test tools * Conducting testing and evaluation of software in various environments, including development, staging, and production * Conducting testing and evaluation of capabilities against various hardware, operating systems, software versions and environments * Collaborating with stakeholders to develop and refine testing and evaluation strategies, including identifying and prioritizing testing objectives and scope * Providing testing and evaluation results and recommendations to stakeholders, including developers, project managers, and operational users ## Related Videos - [Dirty Tests And How To Clean Them](https://www.wearedevelopers.com/videos/515-dirty-tests-and-how-to-clean-them) - [Are Classical Automation Frameworks Dead? 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