MCCO Software Developer SME | Active TS/SCI CI Poly
GDIT· Defense IT· Aug 26, 2026 · 2mo agoPosted 62 days ago
Fort Meade, MD
In office
Full-time
Principal
$170K–$230K
10+ years exp
Before you apply
Ghost Signal:
Open 62 days.
Job description
Type of Requisition:
Regular
Clearance Level Must Currently Possess:
Top Secret SCI + Polygraph
Clearance Level Must Be Able to Obtain:
Top Secret SCI + Polygraph
Public Trust/Other Required:
None
Job Family:
Software Engineering
Job Qualifications:
Skills:
Cloud Platform, Software Development, Software Development Life Cycle (SDLC) Certifications:
None Experience:
10 + years of related experience US Citizenship Required:
Yes
Job Description:
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.
The likely salary range for this position is $170,000 - $230,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
Scheduled Weekly Hours:
40
Travel Required:
None
T elecommuting Options:
Onsite
Work Location:
USA MD Fort Meade
Additional Work Locations:
Total Rewards at GDIT:
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.
Our Identity Verification Process:
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.
About Our Work:
We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.
Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc .
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
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Benefits
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401k
401(K)
Paid Time Off
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