Senior SAP Functional Lead - Ariba

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

Essential Duties

• Solution Design & Implementation
  Lead full lifecycle SAP Ariba and S/4HANA 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/4HANA 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 practic

Qualifications Required

• 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/4HANA implementation.

General Knowledge, Skills and Abilities

• 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/4HANA integration frameworks, S/4HANA procurement and inventory processes, Fiori apps for procurement
• Experience working in multi-plant, global manufacturing environments.
• Strong communication, stakeholder management, and problem-solving skills.

Qualifications Preferred

• Experience with Ariba Supply Chain Collaboration (SCC) preferred
• Exposure to WM, QM, or IBP preferred
• SAP Ariba or S/4HANA 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 programs and courses, as well as a generous tuition reimbursement program. 6. We're committed to fostering a culture that reflects our values to connect, empower, evolve, and inspire. We offer many opportunities for employees to connect with one another, including through our Employee Resource Groups who focus on education and allyship for all of our employees.

GAF complies with federal, state, and local disability laws and makes reasonable accommodations for applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact HR Services at 833-HR-XPERT.

We believe our employees are our greatest resource. We offer competitive salary, benefits, 401k, and vacation packages for all full time permanent positions. We are proud to be an equal opportunity workplace. We are committed to equal employment opportunity on the basis of each candidate's qualifications, experience, and merit, without regard to race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. If you have a disability or special need that requires accommodation, please let us know. If applying for positions in the U.S., must be eligible to work in the U.S. without need for employer sponsored visa (work permit).