GCSS-MC Capability Support and Decommissioning Services

The Marine Corps Systems Command, acting on behalf of the Portfolio Acquisition Executive Mission Systems, is conducting market research under FAR Part 10 to identify qualified sources capable of providing capability support and decommissioning services for the Global Combat Support System Marine Corps (GCSS-MC), an Oracle-based Enterprise Resource Planning system with extensive Java and HTML customizations supporting over 25,000 users worldwide. This Request for Information, identified as M67854-26-I-4414, is strictly limited to sustaining the existing system and planning its orderly decommissioning, with no scope for enhancements or modernization. The primary place of performance is Stafford, Virginia, with all deliverables submitted through the iRAPT system and work requiring adherence to DoD cybersecurity, ITIL v3, and public key infrastructure standards. The solicitation deadline is May 14, 2026, with responses limited to 20 pages and submitted electronically via email in .docx or .pdf formats, with a strict 8 MB total email size limit and no compressed files permitted. All contractors must demonstrate proven experience with Oracle ERP systems and decommissioning efforts, and must comply with stringent personnel and security requirements. Key personnel—including the Program Manager, Chief Engineer, Information Systems Support Lead, and Operations and Support Lead—must hold DoD 8570.1-M IAM Level II/III and IAT Level II/III certifications, achieved within 30 days of contract award. All workforce members must possess favorably adjudicated background investigations appropriate to their IT level, with U.S. citizenship required for IT-II roles. Security protocols mandate the appointment of a Facility Security Officer, implementation of an internal OPSEC program, mandatory annual training in cybersecurity, PII handling, and privacy compliance, and immediate reporting of any data breaches, with contractors bearing full liability for breach remediation. Physical and digital access to Government systems is controlled, travel requires pre-approval, and all deliverables—including the Technical Data Package, Quality Management Plan, and Software Development Plan—must align with CDRL requirements and be submitted through iRAPT. Responses must include UEI and CAGE codes, NAICS 541519 classification, socioeconomic status disclosures, and past performance demonstrating successful transitions and decommissioning of enterprise systems.