MCCO Software Developer SME | Active TS/SCI CI Poly

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 Software Developer SME, the work you’ll do for GDIT will be impactful to the mission of Marine Corps Forces Cyberspace Command (MARFORCYBER) at Ft. Meade, MD:

• Drive the full software development lifecycle for cutting-edge cyberspace capabilities that directly support Marine Corps cyber missions.
• Shape project vision, scope, and timelines to deliver high-impact technical solutions.
• Partner with stakeholders to gather, analyze, and prioritize mission requirements that guide development.
• Identify risks early, assess vulnerabilities, and engineer secure, resilient solutions.
• Design detailed system architectures, models, and prototypes that bring cyber capabilities to life.
• Build, test, and refine software across multiple programming languages in a fast-paced, mission-driven environment.
• Architect solutions using modern approaches including microservices, monolithic systems, and event-driven designs.
• Write clean, well-documented code that supports long-term scalability and maintainability.
• Manage configurations and version control with industry-standard tools like Git.
• Lead quality assurance with rigorous unit, integration, system, and acceptance testing.
• Implement secure coding practices, perform vulnerability assessments, and ensure compliance with strict cybersecurity standards.
• Create and refine operational scripts that directly support cyberspace operations.
• Integrate capabilities with USCYBERCOM’s common services to ensure interoperability across the joint cyber mission.
• Contribute to the development of cyberspace tradecraft and TTPs that strengthen MARFORCYBER’s operational advantage.

Bring your software engineering expertise along with a drive for innovation to GDIT. Our Software Developer SME must have:

• Security Clearance Level: Active TS/SCI with CI Poly
• Experience: 10+ years of experience in software development, with demonstrated expertise across the full lifecycle.
• Proficiency in programming languages such as Java, Python, C, C++, and Assembly.
• Experience with development tools including Visual Studio and Git.
• Familiarity with operating systems including Windows, Linux, and macOS.
• Experience with cloud platforms such as AWS, Microsoft Azure, and Google Cloud Platform.
• Strong background in software architecture, modeling, and configuration management.
• Secure coding practices and vulnerability assessment experience.
• Education: Bachelor’s Degree; additional years of experience may be considered in lieu of degree; Master’s Degree preferred
• Work Location: Onsite in Ft. Meade, MD.
• US Citizenship Required, * Experience developing cyberspace capabilities (implants, exploits, tradecraft, and TTPs).
• Familiarity with event-driven architectures and microservices design.
• Knowledge of USCYBERCOM mission systems and MARFORCYBER operational environment.
• Systems Programming
• CNO Development
• Mobile Devices
• Linux
• Writing applications
• Virtualization
• Containerization
• VR/VRE
• Network Devices
• Automation
• Scripting
• Methodology
• Malware experience
• 8140 Compliant

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