Senior SAP Functional Lead - Ariba

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 SAP Ariba Functional Lead will drive the design, implementation, and optimization of Source-to-Pay (S2P) processes across Ariba and S/4

HANA within a global manufacturing environment. This role requires deep expertise in Ariba modules, strong understanding of procurement and supply chain operations, and the ability to architect integrated, scalable solutions aligned with S/4

HANA best practices.

• Solution Design & Implementation:
  Lead full lifecycle SAP Ariba and S/4
  
  HANA P2P implementations, including requirement gathering, blueprinting, configuration, testing, deployment, and hypercare. Conduct workshops with procurement, supply chain, finance, and manufacturing teams to capture business requirements and translate them into functional specifications. Design and configure Ariba modules such as Ariba Sourcing, Ariba Buying & Invoicing, Ariba Contracts, Ariba Supplier Lifecycle & Performance (SLP), Ariba Catalogs. Architect seamless Ariba–S/4
  
  HANA integration for end-to-end procurement, invoicing, and supplier collaboration.
• Manufacturing-Focused Process Expertise:
  Support manufacturing procurement scenarios: direct materials procurement; subcontracting and external processing; consignment and vendor-managed inventory; spare parts procurement; multi-plant purchasing. Ensure alignment with shop-floor, inventory, and production planning processes.
• Cross-Functional Collaboration:
  
  Work closely with MM, FI/CO, PP, QM, and EWM teams to ensure integrated business flows. Partner with technical teams to define RICEFW objects and integration requirements. Collaborate with business stakeholders to drive process harmonization and global template adoption.
• Program Governance & Delivery:
  Lead testing cycles: unit testing, SIT, UAT, regression testing, and defect resolution. Support data migration activities (vendors, contracts, catalogs, purchasing info records). Drive cutover planning, deployment strategy, and post-go-live stabilization. Ensure adherence to SAP Activate methodology and industry best practices.

• Bachelor’s Degree required or
• Associate’s Degree with 20+ years of experience required
• 10+ years of SAP functional experience, with at least 5+ years in SAP Ariba.
• Hands-on experience in at least one full-cycle Ariba + S/4
  
  HANA implementation.

• Strong understanding of:
  Source-to-Pay (S2P) processes, Supplier onboarding and lifecycle management, Contract management and compliance, Direct and indirect procurement, Invoice management and tax considerations
• Expertise in:
  Ariba Network integration, Ariba–S/4
  
  HANA integration frameworks, S/4
  
  HANA procurement and inventory processes, Fiori apps for procurement
• Experience working in multi-plant, global manufacturing environments.
• Strong communication, stakeholder management, and problem-solving skills.

• Experience with Ariba Supply Chain Collaboration (SCC) preferred
• Exposure to WM, QM, or IBP preferred
• SAP Ariba or S/4
  
  HANA certification preferred
• Experience with global template design and rollouts preferred

Base salary and/or rate of pay ranges listed are exclusive of fringe benefits and potential bonuses. Individual compensation offers will be determined based on a variety of factors, including but not limited to geographic location, relevant candidate experience and skill, education, and/or qualifications. Base Salary Range: $160,000-$220,000

How We Protect What Matters Most: 1. We offer a wide range of health insurance options that include medical, dental, and vision for you…