SAP Senior Functional Lead - Materials Management

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.

Job Summary
The Senior SAP MM Consultant will lead procurement, sourcing, and inventory management solution design across S/4

HANA and Ariba platforms within a manufacturing environment. This role requires deep functional expertise, strong understanding of end-to-end supply chain processes, and the ability to architect integrated P2P solutions that leverage both S/4

HANA and Ariba capabilities.

• Lead full lifecycle S/4
  
  HANA MM and SAP Ariba implementations, including requirement gathering, solution design, configuration, testing, deployment, and hypercare.

• Conduct workshops with procurement, supply chain, and manufacturing stakeholders to capture business requirements and translate them into functional specifications.

• Configure and optimize core SAP MM components:
  
  • Procurement (PR/PO)
  
  • Source determination & vendor evaluation
  
  • Inventory management
  
  • Material master & BOM integration
  
  • Invoice verification
  
  • Subcontracting & consignment
  
  • Batch management

• Design and integrate SAP Ariba modules such as:
  
  • Ariba Sourcing
  
  • Ariba Buying & Invoicing
  
  • Ariba Supplier Lifecycle & Performance
  
  • Ariba Contracts

• Ensure seamless integration between Ariba and S/4
  
  HANA for end-to-end P2P processes.

• Support manufacturing-specific scenarios:
  
  • Make-to-Order (MTO) and Make-to-Stock (MTS)
  
  • Subcontracting and external processing
  
  • Material staging and shop-floor integration

• Collaborate with cross-functional teams (SD, PP, FI/CO, QM, WM) to ensure integrated business flows.

• Prepare functional specs for RICEFW objects and work closely with ABAP and integration teams.

• Lead testing cycles: unit testing, SIT, UAT, and defect resolution.

• Support data migration, cutover planning, and post-go-live stabilization.

• Ensure alignment with SAP Activate methodology and industry best practices.

Qualifications Required

• Associate’s Degree required or

• Associate’s Degree with 20+ years of experience

• 12+ years of hands-on SAP MM functional experience required

• 2–3 full-cycle S/4
  
  HANA implementations in manufacturing required

• Hands-on SAP Ariba implementation experience (at least one full cycle) required

• Strong understanding of P2P processes, sourcing, procurement, and supply chain operations required

• Experience with Ariba Guided Buying, Ariba Network, or Ariba Catalogs preferred

• Exposure to WM, QM, PP, or Ariba SCC (Supply Chain Collaboration) preferred

• SAP MM or Ariba 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 and your family. 2. Our Family-Building benefits support the many different journeys to fertility and parenthood. 3. Our robust 401K plan includes an employer match contribution with your pre-tax and/or Roth contributions.
  4. Other exciting programs and perks are available to help employees achieve work-life balance, including (but not limited to) a wellness program, free financial coaching, a referral program, and product rebates when purchased for an employee’s primary residence.
  5. Professional growth and development are very important to us! We offer internal training…