> Markdown version of [/jobs/ext/4157962-sap-s-4hana-defense-security-functional-lead-sme](https://www.wearedevelopers.com/jobs/ext/4157962-sap-s-4hana-defense-security-functional-lead-sme). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # SAP S/4HANA Defense & Security Functional Lead SME - **Company:** CACI International Inc. - **Location:** Reston, VA, United States - **Experience:** Expert - **Salary:** $95,500 - $210,100 - **Contract:** Permanent contract - **Skills:** Agile Methodology, JIRA, Data Migration, SAP ERP, Mendix, SAP (Applications), Systems Modeling Language, Model-Driven Development, Signavio, SAP Business Technology Platform, Sap Fiori, SC Clearance, Information Technology, SAP S/4HANA, Low-code - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3467377278&tx=CT3432TYD&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * Bachelor's degree in information technology, Computer Science, Engineering, Business, Supply Chain, Logistics, Finance, or related discipline; equivalent relevant experience may be considered. * 10+ years of SAP ERP/SAP functional experience. * 5+ years of SAP S/4HANA experience preferred. * Demonstrated experience serving as an SAP Functional Lead, Senior Functional Consultant, or SME. * Experience supporting at least one large-scale SAP S/4HANA implementation or ERP modernization. * Experience leading or supporting SAP Fit-to-Standard workshops. * Experience performing SAP fit/gap analysis. * Experience translating complex business requirements into SAP functional solutions. * Experience developing future-state/To-Be business processes. * Experience developing SAP functional specifications. * Strong understanding of SAP end-to-end business processes and cross-module integration. * Experience with RICEFW/WRICEF requirements and functional design. * Experience supporting SAP integration and interface requirements. * Experience supporting data migration and conversion activities. * Experience with SAP testing, SIT, and UAT. * Strong analytical and problem-solving skills. * Strong facilitation and stakeholder-management capabilities. * Excellent written and verbal communication skills. * US citizen with an active Secret clearance Desired: * SAP S/4HANA Defense & Security implementation experience. * SAP Defense & Security functional expertise. * DoD SAP/ERP modernization experience. * SAP S/4HANA certification in a relevant functional area. * SAP Activate experience. * SAP Signavio experience. * SAP Fiori experience. * SAP BTP experience. * SAP Integration Suite experience. * Understanding of SAP clean-core principles. * Experience with Agile and/or SAFe delivery. * Experience with Jira or enterprise ALM tools. * Experience with Model-Based Systems Engineering (MBSE). * Experience supporting Model-Driven Design and Implementation (MDDI). * Experience with SysML or architecture/requirements modeling. * Experience with Mendix or another enterprise low-code/agility platform. * Experience working within large system-integrator environments. ## Description * Provide functional leadership across business-process transformation, SAP Fit-to-Standard (F2S), solution design, configuration, integration, testing, and deployment. * Work closely with Defense mission stakeholders, Business Process Reengineering (BPR) teams, SAP functional and technical teams, solution architects, integration teams, data teams, cybersecurity teams, testers, and program leadership to translate complex Defense requirements into scalable SAP S/4HANA solutions. * This role requires an individual who can combine Defense mission and logistics knowledge with deep SAP functional expertise while promoting SAP standard capabilities, clean-core principles, and business-process transformation.