MCCO Software Developer SME | Active TS/SCI CI Poly, Maryland

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.

Transform technology into opportunity as a Software Developer SME 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 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.

WHAT YOU’LL NEED TO SUCCEED

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

Preferred Qualifications:

• 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

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.

Years of Experience

10 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Travel Required

None

Citizenship

U.S. Citizenship Required