FLEX Senior Product Manager, Corporate Systems Procurement

This is a temporary position The assignment duration is through 10/09/2027   JOB SUMMARY Marriott is seeking an experienced FLEX Senior Product Manager, Corporate Systems Procurement to own the strategy, roadmap, and delivery of indirect tax integrations across our procurement platforms. This role will drive the integration of Procure-to-Pay (P2P) and Source-to-Contract (S2C) solutions with the Vertex tax engine, enabling automated, accurate, and compliant tax determination throughout the procurement lifecycle. Partnering closely with Engineering, Architecture, Tax, Procurement, Finance, and Accounts Payable teams, this role will define integration strategies, data models, and scalable solutions that deliver business value while meeting regulatory requirements.   CANDIDATE PROFILE  Education and Experience Required * Bachelor’s degree in Computer Science, Management Information Systems (MIS), Business Administration, Accounting, Finance or equivalent practical experience. * 7+ years of product management experience in enterprise technology, with at least 3 years leading ERP, procurement, or finance system integrations including:  * Demonstrated hands-on product management experience involving Vertex O Series indirect tax engine implementations (sales/use tax, VAT/GST determination, and tax content updates).  * Proven experience managing integration deliverables between procurement platforms (Coupa, Birchstreet) and tax engine.  * Integration Lifecycle Governance: Knowledge of integration concepts (e.g., REST/SOAP APIs, middleware, SFTP batch processing), data mapping and error-handling workflows.  * Quality Assurance & Cutover: Extensive experience in managing Integrated System Testing (SIT), User Acceptance Testing (UAT), end-to-end reconciliation, cutover runbooks, and hypercare support models.  * Stakeholder & Vendor Coordination: Strong track record holding third-party system integrators (SIs), software vendors (Coupa, Birchstreet), and cross-functional technical teams accountable to strict delivery milestones and SLAs. * Proven record delivering complex, cross-functional integration programs from requirements through go-live in an agile environment (Jira, Azure DevOps, or similar).    Preferred * PMP, SAFe, Agile and ITIL v4 Certifications * Direct experience implementing Vertex O Series or Vertex Cloud with Coupa * Experience with global tax requirements, including VAT, GST, and withholding tax * Background in process optimization, lean operations and procurement transformations.     CORE WORK ACTIVITIES   Product Strategy and Roadmap * Own the vision and multi-release roadmap for tax integration across Coupa P2P, Coupa S2C, and Birchstreet. * Prioritize the backlog against compliance requirements, technical dependencies, financial impact, and platform constraints.   Technical Solution and Integration Design * Define integration architecture and data flows between Coupa, Birchstreet, Vertex (O Series or Vertex Cloud), middleware, and the ERP. * Specify API requirements, field mappings, authentication, error handling, retry logic, and idempotency for real-time and batch tax calls. * Own technical requirements for master data: ship-to/ship-from, product and commodity tax codes, supplier tax attributes, exemption certificates, and chart of accounts mappings. * Define tax calculation behavior at each stage (requisition, PO, receipt, invoice, credit memo, expense), including PO-to-invoice tax variances, tolerance handling, and supplier-charged vs. self-assessed use tax. * Define non-functional requirements: performance, scalability, availability, latency, monitoring, and disaster recovery. * Partner with architects on security, data privacy, and environment strategy (sandbox, UAT, production).   Delivery and Execution * Write clear epics, user stories, technical specifications, and acceptance criteria. Lead sprint planning, backlog grooming, and release readiness. * Collaborate daily with developers, QA, DevOps, Coupa and Birchstreet administrators, Vertex consultants, and implementation partners. * Drive test strategy, including integration, regression, performance, and end-to-end testing of tax scenarios across jurisdictions, with automation where possible. * Lead UAT with Tax, AP, and Procurement; manage cutover, data migration, and hypercare for go-lives across entities and countries. * Troubleshoot integration defects and production incidents, performing root-cause analysis with logs, payloads, and tax determination results.   Governance, Compliance, and Operations * Ensure traceability of tax determinations, overrides, and audit logs to support SOX, internal audit, and tax audit requirements. * Define observability and KPIs: tax calculation accuracy, API success rates, exception volumes, override rates, and processing latency. * Track Vertex releases, Coupa and Birchstreet release cycles, and regulatory changes (e-invoicing mandates, new jurisdictional rules), and plan upgrades and regression impacts.   Stakeholder Leadership * Translate between technical and non-technical audiences, including Tax, Procurement, AP, Finance, and executive sponsors. * Communicate status, risks, and decisions to operating committees.   Change Management & Communication * Develop stakeholder engagement, communication, and training plans * Partner with change management teams to drive user adoption across global business units * Communicate program progress, risks, and decisions to senior leadership   Core Competencies * Strong ownership and accountability in ambiguous, multi-stakeholder environments * Ability to translate between business and technical audiences * Structured problem solving and sound risk judgment * Clear, concise written and verbal communication * Influence without direct authority   At Marriott International, we are dedicated to being an equal opportunity employer, welcoming all and providing access to opportunity. We actively foster an environment where the unique backgrounds of our associates are valued and celebrated. Our greatest strength lies in the rich blend of culture, talent, and experiences of our associates.  We are committed to non-discrimination on any protected basis, including disability, veteran status, or other basis protected by applicable law.  All locations offer 401(k) plan, stock purchase plan, discounts at Marriott properties, commuter benefits, employee assistance plan, and childcare discounts.  Benefits are subject to terms and conditions, which may include rules regarding eligibility, enrollment, waiting period, contribution, benefit limits, election changes, benefit exclusions, and others. Click here [https://life.marriott.com/wp-content/uploads/2025/09/benefitsoverviewf_2025edits_8.19.25.pdf] to learn more. Full-time positions also offer coverage for medical, dental, vision, health care flexible spending account, dependent care flexible spending account, life insurance, disability insurance, accident insurance, adoption expense reimbursements, and paid parental leave. Washington Applicants Only: Employees will accrue paid sick leave, 0.0384 PTO balance for every hour worked and be eligible to receive minimum of 9 holidays annually. Marriott Headquarters (HQ) supports a hybrid work environment that helps associates Be Connected. HQ based roles are generally hybrid and require regular in-office presence at the assigned location, including for candidates who live within commuting distance of HQ for a role listed as remote. Remote roles will be clearly identified in the job posting. Marriott International is the world’s largest hotel company, with more brands, more hotels and more opportunities for associates to grow and succeed. Be where you can do your best work, begin your purpose, belong to an amazing global  team, and become the best version of you.