GCSS-MC Consultant - government clearance eligible

GCSS-MC Subject Matter Expert

Navaide is seeking a qualified GCSS-MC Subject Matter Expert to support an enterprise-wide contract delivering functional and advisory assistance to the Marine Corps GCSS-MC user community. This on‑site position is based at Quantico, VA, and candidates must reside in the Quantico / National Capital Region (NCR) area. The ideal candidate possesses substantive hands‑on experience in GCSS-MC financial management or supply/maintenance operations and can advise and support users across a broad range of organizational contexts and mission requirements.

• Serve as a functional SME for GCSS-MC, providing expert guidance to end users, unit administrators, and staff across Marine Corps commands.
• Analyze user‑reported issues and business process challenges; develop and communicate practical, experience‑based solutions within the GCSS‑MC environment.
• Develop and maintain SOPs, quick reference guides, job aids, and training materials that translate GCSS‑MC system behavior into actionable user guidance.
• Support functional testing, user acceptance testing (UAT), and system validation activities associated with configuration changes, upgrades, or new capability roll‑outs.
• Participate in working groups, help desk escalations, and stakeholder engagements representing the functional user perspective.

• Provide SME support for GCSS‑MC financial management functions including obligation management, expenditure processing, reimbursable order workflows, and fund control transactions.
• Assist users with financial reconciliation, transaction error resolution, and end‑of‑period closeout procedures within GCSS‑MC.
• Advise on GCSS‑MC interfaces with enterprise financial systems and support users in identifying and resolving interface discrepancies.
• Support audit readiness and financial improvement activities by advising on system‑generated documentation, transaction audit trails, and data integrity practices.
• Develop and deliver financial management‑focused user training and functional walkthroughs for a diverse Marine Corps user base.

• Provide SME support for GCSS‑MC supply chain and maintenance management functions including demand management, requisitioning, inventory control, asset visibility, and equipment readiness reporting.
• Assist users with work order management, equipment lifecycle tracking, and maintenance business process execution within GCSS‑MC.
• Advise on supply/maintenance module configuration, transaction workflows, and resolution of functional discrepancies at the unit and activity level.
• Support materiel obligation validation, supply chain data quality reviews, and inventory audit support activities across the enterprise user community.
• Develop and deliver supply/maintenance‑focused user training and functional walkthroughs tailored to the needs of Marine Corps operating forces and supporting establishments.

• Serve as a trusted liaison between end users and technical/program teams — translating operational needs into clear system guidance and actionable recommendations.
• Communicate effectively across a wide range of stakeholders including unit‑level users, G‑4/G‑8 staffs, system administrators, and program office representatives.
• Contribute to continuous improvement of enterprise support processes by identifying recurring user issues, trends, and training gaps and recommending solutions.

• 5+ years of hands‑on experience with GCSS‑Marine Corps (GCSS‑MC) in either a financial management or supply/maintenance functional capacity.
• Demonstrated expertise in one or more GCSS‑MC functional domains: financial management (obligations, expenditures, reimbursables, fund control) or supply/maintenance (supply chain, requisitioning, work order management, inventory control).
• Proven ability to clearly communicate complex processes and procedures to users with varying levels of system proficiency.
• Experience supporting Marine Corps operating forces, supporting establishments, or subordinate activities in a system support or advisory capacity.
• Active DoD clearance or the ability…