Work setup: Role is remote based out of Seattle, WA, but requires candidate flexibility to travel as needed by the client (travel and expenses ARE reimbursed by the client). Reason for opening: Critical S/4HANA OTC-SD functional leadership needed for an enterprise Aerospace & Defense implementation. Deliverables & Scope: S/4HANA SD/OTC configuration, interface integration design (PI/PO, IBP, AIF), blueprinting, and client process alignment. NON-NEGOTIABLES Education: IT Degree required. SAP S/4HANA OTC – SD (10+ yrs) – Senior-level mastery in designing, configuring, and executing Order-to-Cash and Sales & Distribution solutions in S/4HANA environments. Aerospace & Defense Industry Experience (Required) – Direct experience applying SAP SD/OTC business processes within the Aerospace & Defense domain. Active SAP Certifications – Candidate must hold active and verifiable SAP certifications. NICE-TO-HAVES Hands-on experience with PI/PO, IBP, and AIF cross-module integrations and interface management. Strong leadership, client-facing presentation, and stakeholder management skills. DISQUALIFIERS Lack of an IT degree or lack of active SAP certifications. Lack of direct Aerospace & Defense industry experience. Inability or unwillingness to travel as needed for client engagements. Required qualifications & skills 5+ years SAP implementation experience, including hands-on SAP S/4HANA configuration in SD, integration with MM, FI/CO and related modules. Proven experience implementing OTC/SD processes in defense or highly regulated industries, including MTO and MTS order flows. Direct experience with third‑party billing/drop‑ship implementations in S/4HANA and EDI integrations. Experience with data migration tools and master data governance. Experience with Agile and/or hybrid delivery methods and tools (JIRA, Confluence). Preferred / nice-to-have Prior implementation experience at aerospace OEMs, prime contractors or defense subcontractors. Background in Earned Value Management (EVM) and Program Controls integration to SAP. Experience with SAP EWM, TM or Advanced ATP in complex supply chains. Certifications: SAP S/4HANA (functional/technical), PMP, PMI‑ACP, or Six Sigma. Experience with WAWF/GEX automation and government portals integration. Familiarity with DD250 processes, WAWF invoicing, government contract requirements, FAR/DFARS, ITAR/EAR and WBS/EVM integration. Strong experience with integration technologies (SAP CPI/PI, middleware, EDI, GEX/WAWF connectors).