[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Marriott International jobs](https://jobs.opennash.com/companies/marriott-international/) · [Search jobs](/search/) Marriott International # FLEX Senior Manager, Benefits Operations & Administration Manager or lead Administrative Listed on Marriott International’s official careers site. Listed as of October 20, 2026. Check that it is still open and apply there. [Apply on Marriott International’s careers site →](https://careers.marriott.com/flex-senior-manager-benefits-operations-administration/job/P1-7186773-0) [OpenNash Jobs](https://jobs.opennash.com/) / [Marriott International](https://jobs.opennash.com/companies/marriott-international/) / FLEX Senior Manager, Benefits Operations & Administration ## Job description This is a temporary position The assignment duration is through 03/31/2028 ### JOB SUMMARY The Benefits team is responsible for developing and managing programs, resources, and administrative solutions that support Marriott’s associates and strengthen the company’s ability to attract, retain, and engage top talent. This temporary role will provide critical backfill support for a vacant Benefits Operations position, helping maintain day-to-day operational continuity while the team supports a major enterprise-wide initiative. The FLEX Senior Manager, Benefits Operations & Administration is responsible for strategic oversight, operational management, and continuous improvement of Marriott's Benefits Administration function. This leader serves as the primary operational owner for benefit plan administration, vendor management, systems integration, eligibility administration, escalations, and service delivery performance. The role partners closely with Benefits Operations leadership, HR Technology, Payroll, Finance, Legal, and external vendors to ensure accurate, compliant, and efficient delivery of benefit programs. This position provides leadership across day-to-day operations while driving process improvements, automation, data integrity, and service excellence initiatives that enhance both the associate and administrator experience and improves the overall performance of Marriott’s benefits operations. CANDIDATE PROFILE ### Education and Experience Required - Bachelor’s degree or equivalent experience 5+ years’ experience in benefit plan administration, consulting, or plan management - Strong knowledge of employee benefit plan administration and plan regulations, including IRS and DOL requirements Experience with HRIS and vendor platforms (Oracle HCM, WTW, etc.) - Demonstrated excellence in program and project management with the ability to manage cross-functional projects in a large, complex environment - Strong analytical and problem-solving skills Continuous improvement mindset Preferred Experience with outsourced health and welfare benefits administration through WTW and associated vendors Experience with Collective Bargaining Agreements CORE WORK ACTIVITIES Drive cross-functional initiatives for automation and system process improvements to eliminate/reduce manual processes in collaboration with internal and external partners. Lead the strategy, execution and continuous improvement between internal HRIS/payroll and external vendor systems. Troubleshoot and provide issue resolution, as needed. Lead root cause analysis and corrective actions for systemic issues impacting benefits such as enrollment or payroll issues. Manage vendor relationships for Health and Welfare Benefits Administration providers. Serve as Operations Lead for new vendor implementations, system upgrades and annual enrollment. Identify and implement improvements to policies, procedures, programs, and benefits leveraging technology solutions and vendor resources. 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: Not stated - First seen by OpenNash: Oct 13, 2026 - Last checked: Oct 20, 2026 - Listed for: 7 days[Apply on Marriott International’s careers site →](https://careers.marriott.com/flex-senior-manager-benefits-operations-administration/job/P1-7186773-0) ## More jobs at Marriott International ### [1st Shift Loss Prevention Officer](https://jobs.opennash.com/companies/marriott-international/jobs/4a0644c14b6cf6fcf59e/) ### [2nd Shift Loss Prevention Officer- $250 Sign On Bonus](https://jobs.opennash.com/companies/marriott-international/jobs/58cdf1258cee91578dab/) ### [Administrative Assistant](https://jobs.opennash.com/companies/marriott-international/jobs/d88694951526e355e76c/) ## Similar jobs at other companies ### [Financial Manager Operations (f/m/d) Loan Administration (Fixed-Term 24 Months)](https://jobs.opennash.com/companies/siemens/jobs/c5c8a82b8dd4e0d4ca7b/) Siemens ### [Sr. Benefits Consultant, Benefits Operations](https://jobs.opennash.com/companies/mckesson/jobs/b820b4dfa1d437d3db5c/) McKesson ### [Flex Driver](https://jobs.opennash.com/companies/fedex/jobs/2e01ae088f28925f4375/) FedEx ### [Business Administration Profesional](https://jobs.opennash.com/companies/siemens/jobs/a5bcc71d19e2b7324a80/) Siemens ### [Administration Assistant](https://jobs.opennash.com/companies/wilmar-international/jobs/759004cde0a1c6005524/) Wilmar International OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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