[Skip to main content](#main-content)

[ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/)

Marriott International · Bethesda, MD

# FLEX Senior Program Manager, Corporate Systems

Bethesda, MD, US Full-time Manager or lead 

Listed on Marriott International’s official careers site. Posted November 7, 2026. Check that it is still open and apply there.
[Apply on Marriott International’s careers site →](https://careers.marriott.com/flex-senior-program-manager-corporate-systems/job/P1-7652332-0)

[OpenNash Jobs](https://jobs.opennash.com/) / [Marriott International](https://jobs.opennash.com/companies/marriott-international/) / FLEX Senior Program Manager, Corporate Systems

## Job description

### JOB SUMMARY

Marriott is seeking an experienced FLEX Senior Program Manager, Corporate Systems to lead the end-to-end integration of the Vertex tax engine with Oracle ERP cloud (Payables & Receivables) and Source-to-pay systems. This role is pivotal in driving the end-to-end planning, execution, and delivery of global indirect tax automation, e-invoicing compliance and boundary systems integrations. This includes managing strategic design, global deployment, and optimization of tax integration, calculation, e-invoicing, and cross-border reporting compliance solutions within our next-generation cloud-based ERP financial platforms.

This role collaborates with project management and business transformation teams as the technology implementation lead to manage priorities, communications, risks, issues and remove blockers. 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 program management experience managing complex enterprise financial application rollouts, tax engines, and systems integrations Core Systems Delivery Experience: Demonstrated hands-on project delivery 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), central ERP and tax engines.

### Integration Lifecycle Governance

Working 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, Vertex, Birchstreet), and cross-functional technical teams accountable to strict delivery milestones and SLAs. Proven ability to lead cross-functional and vendor-supported teams without direct authority Proficiency with program management tools (e.g., Jira, MS Project, Smartsheet, Confluence) Preferred PMP, SAFe, Agile and ITIL v4 Certifications Exposure to multi-country e-invoicing regimes (e.g., PEPPOL, SAF-T, real-time digital reporting requirements) and global hospitality/property-level operating models.

Experience with global tax requirements, including VAT, GST, and withholding tax Background in process optimization, lean operations and procurement transformations.

### CORE WORK ACTIVITIES Program Leadership & Delivery
- Own the program plan, roadmap, and timeline for Vertex tax engine with our Oracle ERP cloud (Payables & Receivables) and Source-to-pay systems
- Define program scope, objectives, success metrics, and governance structure
- Manage dependencies across workstreams, including integration build, data mapping, testing, cutover, and hypercare
- Drive phased or multi-region rollouts, balancing global standards with local tax requirements
- Run steering committee meetings and deliver clear executive-level status reporting Cross-Functional Coordination Oversee Global Technology Services contribution to the program, including architecture, integration engineering, infrastructure, security, and support
- Coordinate with the program team, including project managers, business analysts, technical leads, and workstream owners
- Partner with Tax, Procurement, Finance, and AP stakeholders to define requirements for tax determination, exemption handling, and compliance
- Manage relationships with vendors and system integrators (Vertex, Coupa, Birchstreet, and implementation partners) Technical & Process Oversight
- Ensure integration designs address tax calculation at requisition, PO, invoice, and sourcing/contract stages
- Oversee data readiness, including supplier master, ship-to/ship-from addresses, product and service taxability codes, and exemption certificates
- Validate alignment with ERP and downstream financial systems for tax posting and reconciliation Confirm that testing strategy (unit, SIT, UAT, regression, and performance) covers key tax scenarios and edge cases
- Support defect triage, release management, and go-live readiness decisions Risk, Compliance & Governance
- Identify, track, and mitigate program risks, issues, and dependencies
- Ensure solutions meet regulatory, audit, SOX, and data privacy requirements
- Maintain program documentation, decision logs, and change control processes
- Establish post-go-live support models, knowledge transfer, and continuous improvement plans

### 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

### Key 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 Detail orientation without losing sight of the program outcome 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 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.

## At a glance
- Posted by the employer: Nov 7, 2026
- First seen by OpenNash: Nov 10, 2026
- Last checked: Nov 10, 2026
- Listed for: 3 days
- Location: Bethesda, MD, US
- Employment type: Full-time[Apply on Marriott International’s careers site →](https://careers.marriott.com/flex-senior-program-manager-corporate-systems/job/P1-7652332-0)

## More jobs at Marriott International

### [FLEX Senior Recruiting Coordinator](https://jobs.opennash.com/companies/marriott-international/jobs/85f79da715cd5eb4e1b4/)

Bethesda, MD, US

### [FLEX Senior Software Engineer, Android](https://jobs.opennash.com/companies/marriott-international/jobs/c619873525d6931851ad/)

Bethesda, MD, US

### [Female Spa Locker Room Attendant](https://jobs.opennash.com/companies/marriott-international/jobs/0682b6a76d5f0c3925ee/)

Marco Island, FL, US

### [Fine Dining Server](https://jobs.opennash.com/companies/marriott-international/jobs/ebb8beb0880aa12b2743/)

Irving, TX, US

### [Fireside Server](https://jobs.opennash.com/companies/marriott-international/jobs/18c81c383d1551f5c9d8/)

Avon, CO, US

## Similar jobs at other companies

### [Flex Oven Lead](https://jobs.opennash.com/companies/cargill/jobs/2455d9006fb2fe469ac9/)

Cargill · Round Rock, Texas

### [Warehouse Associate (Flex)](https://jobs.opennash.com/companies/cardinal-health/jobs/bfc45f45180c038020f5/)

Cardinal Health · Syracuse, NY

### [Flex Production Operator](https://jobs.opennash.com/companies/albertsons/jobs/4401fa49a5fb73c932b1/)

Albertsons · Denver, CO, United States

### [Production Operator Flex](https://jobs.opennash.com/companies/albertsons/jobs/f824a89456b6f309aead/)

Albertsons · Denver, CO, United States

### [Warehouse Associate II (Flex)](https://jobs.opennash.com/companies/cardinal-health/jobs/98c508ee28669e791f3b/)

Cardinal Health · Memphis, TN

[Jobs in Bethesda, MD](/locations/us/md/bethesda/)[Jobs in Maryland](/locations/us-md/)

OpenNash lists jobs from employers’ own careers sites and does not handle applications.
Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

[ OpenNash ](https://opennash.com/)

AI-native services firm that builds custom software and 24/7 AI agents.

OpenNash Jobs is an OpenNash Applied AI project.
[Book time with OpenNash](https://calendly.com/opennash/new-meeting?hide_gdpr_banner=1)

Jobs
- [Search jobs](https://jobs.opennash.com/search/)
- [Companies](https://jobs.opennash.com/explore/)
- [Hiring report](https://jobs.opennash.com/reports/hiring/)
- [AI assistants](https://jobs.opennash.com/connect/)
- [How it works](https://jobs.opennash.com/methodology/)

OpenNash
- [opennash.com](https://opennash.com/)
- [Services](https://opennash.com/ai-agent-consulting/)
- [OpenNash CX](https://opennash.com/cx/)
- [AI Tools](https://opennash.com/ai-tools/)
- [Blog](https://opennash.com/blog/)
- [About](https://opennash.com/about/)

Contact
- [hello@opennash.com](mailto:hello@opennash.com)

- [LinkedIn](https://www.linkedin.com/company/opennash)

- [Support](https://jobs.opennash.com/support/)

- [Privacy](https://jobs.opennash.com/privacy/)

- [Terms](https://jobs.opennash.com/terms/)

© 2026 OpenNash, Inc. Company names and public job postings belong to their respective owners. Employers control source availability and application decisions.