GCSS-Army / SAP Sustainment SME

Schedule: Approximately 20 hours per week / 0.50 FTE
Work arrangement: Primarily remote with required travel to Fort Lee, VA
Clearance: Active final Secret required

About the role

For this position, knowing Army sustainment terminology isn't enough—we need someone who has actually worked in GCSS-Army and can explain what the data means operationally. The GCSS-Army / SAP Sustainment SME will provide authoritative functional interpretation of GCSS-Army, SAP ECC, and related G4 data. You'll translate Army operational questions into data requirements and ensure dashboards, applications, and AI/ML models accurately reflect Army business rules.

Responsibilities

• Define and validate Army sustainment business rules.
• Identify authoritative GCSS-Army, SAP, NLAC, and G4 data sources.
• Translate operational questions into source fields, relationships, transactions, measures, and data requirements.
• Validate dashboard KPIs and analytical measures.
• Validate AI/ML model features and forecasts against operational realities.
• Review and validate application workflows.
• Reconcile discrepancies between analytical results and source-system records.
• Explain data latency, missing data, status codes, units of measure, organizational relationships, coding practices, and process exceptions.
• Participate in requirements, data-design, model-review, dashboard-review, and acceptance sessions.
• Support user documentation and knowledge transfer.
• Help prioritize analytics and AI use cases according to Army operational value.

Requirements

• Active final Secret clearance.
• Direct, hands-on GCSS-Army experience.
• 7+ years supporting Army logistics, sustainment, maintenance, supply, property, readiness, ammunition, distribution, or financial operations.
• 3+ years of direct GCSS-Army or SAP ECC experience.
• Functional Army sustainment expertise.
• Ability to interpret GCSS-Army/SAP data fields, transactions, statuses, relationships, and business rules.
• Substantive experience in at least two of the following:
  • Supply and inventory
  • Maintenance and equipment readiness
  • Property accountability
  • Financial management
  • Shop stock and bench stock
  • Distribution or transportation
  • Ammunition or NLAC-related operations
• Experience reviewing GCSS-Army reports, extracts, transactions, or data for operational decision support.
• Ability to explain source-system limitations, data timing, status codes, units of measure, organizational relationships, and business-rule exceptions.
• Availability for recurring requirements and validation sessions.

Qualifications

Strongly preferred:

• Background as an Army logistics warrant officer, senior NCO, functional analyst, ERP analyst, or sustainment data analyst.
• GCSS-Army BI, BusinessObjects, Army Vantage, AESIP, LMP, or related reporting-platform experience.
• Power BI, SQL, Excel Power Query, data mapping, or testing experience.
• CASCOM, AMC, IMCOM, Army G-4, sustainment brigade, installation logistics, or depot experience.
• System migration, data reconciliation, or enterprise analytics experience.

About Xtreme Solutions

XSI is a leading provider of information technology and professional services known for outstanding service delivery in a wide range of professional services engagements around the country. Team XSI continually meets and exceeds customer expectations. We are passionate about our work and making a difference. Our vision is to be the best professional services management company for both our customers and our employees. We need employees that share this vision. Our remarkable employees are the key to our company's incredible success. XSI promotes a work environment of trust, integrity, respect, continual improvement, customer satisfaction, and business success. We strive to provide a competitive salary and benefits, an engaging and rewarding work environment, and training and development opportunities.