SAP S/4 HANA Technical Architect

Title: SAP Technical S/4HANA Architect
Location: California - Remote with Occasional travel to different Client sites.
Duration: Full Time

Key Responsibilities
Define and lead the end-to-end technical architecture for SAP ECC to S/4HANA migration.
Assess and recommend appropriate migration approaches, including system conversion, selective migration and integration architecture across S/4 and enterprise platforms.
Lead and interpret outputs from SAP Readiness Check, custom code impact analysis, and simplification item reviews.
Guide and oversee custom code adaptation and technical remediation for S/4HANA compatibility.
Develop and execute data archiving and data volume management strategies to reduce system footprint prior to migration.
Collaborate closely with functional teams, SAP Basis, infrastructure, security, and external system integrators.
Ensure system performance, stability, compliance, and data integrity throughout the migration lifecycle.
Provide hands-on technical guidance and best practices during sandbox, development, quality, and production phases.
Support governance, risk management, and decision-making related to technical scope, sequencing, and dependencies.
Act as a trusted technical advisor to program leadership throughout the S/4HANA transformation by developing, reviewing, and approving key design deliverables (architecture diagrams, KDDs, technical design standards)

Required Skills & Experience
Proven hands-on experience delivering SAP S/4HANA brownfield and/or landscape transformation projects.
Demonstrated experience as a Technical Architect on ECC to S/4HANA migration initiatives.
Deep understanding of S/4HANA technical architecture, including data model changes, simplification items, and compatibility scope
Proven experience with system landscape transformation and phased migration approaches
Experience with SAP Data Archiving 
 Experience supporting ECC to S/4HANA system conversion or selective data migration approaches.
Strong knowledge of custom code adaptation and remediation (SPAU/SPDD, ABAP Test Cockpit, Custom Code Migration tools)
Deep experience designing and governing integration architecture between S/4HANA and enterprise platforms
Experience aligning S/4 integration with platform-based / enterprise architecture
Solid understanding of SAP Basis, system sizing, performance tuning, and overall landscape architecture.
Ability to work cross-functionally and communicate complex technical topics clearly to both technical and business stakeholders.