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MCCO Senior Test Engineer | Active TS/SCI CI Poly

General Dynamics Information Technology
Full Timesenior
Fort Meade, Maryland, USPosted April 15, 2026

Job 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.

MEANINGFUL WORK AND PERSONAL IMPACT

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

WHAT YOU’LL NEED TO SUCCEED

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

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

  • Growth: AI-powered career tool that identifies career steps and learning opportunities
  • Support: An internal mobility team focused on helping you achieve your career goals
  • Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
  • Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

Explore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation.

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