SAP Senior Functional Solutions Architect

Overview

At GAF, we cover more than buildings. We cover each other. No matter what role, tenure, or track, under this roof you are empowered to be there for your teammates, your customers, and especially your community. Under this roof, we don’t back down from hard work– we support one another in pursuit of something bigger. We define the future while leading the present.

And under this roof, we own our opportunities. Becoming the market leader only happens when everyone feels they have the opportunity, and the support, to thrive. We are GAF. And under this roof, we protect what matters most.

The Senior SAP Functional Architect will serve as the enterprise-level solution leader across all major SAP functional domains, including S/4

HANA (FI, CO, MM, SD, PP, PM, QM), Ariba, IBP, and Group Reporting. This role is responsible for defining the end-to-end digital architecture for manufacturing operations, supply chain, procurement, finance, and reporting. The architect will guide global template design, lead complex transformation programs, and ensure cohesive, scalable, and future-ready SAP solutions.

• Enterprise Architecture & Solution Leadership – Own the end-to-end SAP functional architecture across S/4
  
  HANA, Ariba, IBP, and Group Reporting;
  Define and govern the global SAP template for manufacturing, supply chain, procurement, and finance;
  Lead multi-year digital transformation programs, ensuring alignment with business strategy and SAP best practices;
  Drive solution roadmaps, capability assessments, and architecture standards.
• Cross-Functional Design & Integration – Architect integrated processes across Order-to-Cash (OTC), Procure-to-Pay (P2P), Plan-to-Produce (P2P/Manufacturing), Record-to-Report (R2R), and Forecast-to-Stock (IBP + S/4).
• Source-to-Contract (Ariba) – Ensure seamless integration between S/4
  
  HANA modules and external systems (MES, WMS, PLM, tax engines, etc.);
  Oversee integration patterns across Ariba-S/4, IBP-S/4, and Group Reporting-Finance.
• Program Delivery & Governance – Lead blueprinting, solution design, and architecture reviews for global rollouts;
  Provide functional oversight for RICEFW development, data migration, and testing strategy;
  Establish governance frameworks for change management, release management, and solution lifecycle;
  Mentor functional leads across modules and guide cross-functional design decisions.
• Manufacturing & Supply Chain Expertise – Architect solutions for:
  Order Management with advanced Intercompany;
  Multi-plant manufacturing;
  Complex BOMs and routings;
  Capacity planning & scheduling;
  Preventive & predictive maintenance;
  Quality management & compliance;
  Global supply chain planning (IBP);
  Ensure alignment with industry best practices for discrete, process, or hybrid manufacturing.
• Finance, Tax & Reporting – Oversee design for: FI/CO, Product Costing, Profitability Analysis;
  Intercompany processes & transfer pricing;
  Group Reporting consolidation;
  Vertex or other tax engine integrations;
  Ensure compliance with global accounting, audit, and statutory requirements.

• Bachelor’s Degree required
• 15+ years of SAP functional experience across multiple modules required
• Hands-on leadership in at least 2–3 full-cycle S/4
  
  HANA transformations in manufacturing required

• Deep expertise across: S/4
  
  HANA core modules (FI, CO, MM, SD, PP, PM, QM), SAP Ariba (Sourcing, Buying & Invoicing, SLP, Contracts), SAP IBP (Demand, Supply, S&OP, Inventory), SAP Group Reporting
• Strong understanding of end-to-end business processes and cross-module integration
• Proven experience designing global templates and leading global rollouts
• Ability to translate business strategy into scalable SAP architecture
• Strong leadership, communication, and stakeholder management skills

• Experience with Central Finance, EWM, TM, GTS, MES/MII integration, Predictive analytics or SAP BTP extensions preferred
• SAP certifications in multiple modules or architecture tracks preferred
• Experience working in multi-entity, multi-plant manufacturing organizations preferred

Base salary and/or rate of pay ranges listed are…