We are seeking a talented individual to join our GHSC Operations Client Support team at Mercer, a Marsh business. This role will be based in Phoenix and offers a hybrid work arrangement, requiring a minimum of three days per week in the office.
As a Client Support Administrator, you will play a key role in keeping the team organized, efficient, and client-focused by managing a variety of administrative, project, and operational responsibilities. This position offers the opportunity to collaborate closely with senior leaders while producing polished, high-quality documents, coordinating client invoicing, and ensuring projects stay on track through strong attention to detail and sound judgment. Success in this role comes from balancing multiple priorities, handling confidential information with professionalism, and proactively supporting a seamless team workflow in a fast-paced, collaborative environment.
We will count on you to:
- Complete monthly client invoicing
- Establish, maintain, and manage client subject files, personal working files, and legal plan documents as applicable
- Thrive and be motivated by an environment that embraces AI and technology-enabled tools
- Provide peer review of documents before final production/distribution to ensure quality control of the final product
- Ensure all documents produced adhere to Mercer's global identity/document standards
- Contribute to accurate client/project budget management through accurate and prompt time entry
- Handle sensitive information with professionalism and integrity while communicating openly and often among team members
- Frequently interact and collaborate with senior-level leadership while performing tasks under limited supervision
- Assist team with a variety of tasks as assigned
What you need to have:
- HS Diploma or equivalent
- 5+ years of administrative support experience, preferably in a consulting environment or professional service industry
- Advanced computer skills, including extensive experience with Microsoft Office (Outlook, Word, Excel, PowerPoint)
- Strong judgment, discretion, confidentiality, and decision-making skills with the ability to interact with all levels within the organization
- Capability to work well under pressure and with limited direction while handling multiple tasks and prioritizing effectively
- Exceptional interpersonal, organizational, business communication, and time management skills.
- Strong attention to detail
- Demonstrated problem solving capabilities
What makes you stand out?
- Bachelor’s Degree
- Strong project management skills
- Excellent oral and written communication skills
- Ability to adapt quickly to business needs and priorities
- Previous billing/invoicing experience
Why join our team:
- We help you be your best through professional development opportunities, interesting work and supportive leaders.
- We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have an impact on colleagues, clients, and communities.
- Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.
Skills Required
- High school diploma or equivalent
- 5+ years administrative support experience, preferably in consulting or professional services
- Advanced computer skills with extensive experience using Microsoft Office (Outlook, Word, Excel, PowerPoint)
- Strong judgment, discretion, confidentiality, and decision-making skills
- Ability to work under pressure with limited direction, managing multiple tasks and priorities
- Exceptional interpersonal, organizational, business communication, and time management skills
- Strong attention to detail
- Demonstrated problem-solving capabilities
- Bachelor's degree
- Project management skills
- Excellent oral and written communication skills
- Ability to adapt quickly to changing business needs
- Previous billing/invoicing experience
Marsh McLennan Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Marsh McLennan and has not been reviewed or approved by Marsh McLennan.
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Leave & Time Off Breadth — Leave offerings are described as generous, including sizable PTO, paid holidays, paid sick days, and additional time off such as paid volunteer time and “Summer days.” These time-off benefits are portrayed as a standout part of the overall rewards package.
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Healthcare Strength — Healthcare coverage is characterized as comprehensive, spanning medical, dental, and vision options, with additional supports like disability and life insurance and access to mental health resources and an EAP. The breadth of plan options is positioned as a core strength of the benefits package.
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Retirement Support — Retirement benefits are framed as solid, with 401(k) programs and employer matching frequently highlighted alongside other financial programs. Stock purchase options are also referenced as an additional wealth-building component of the total rewards mix.
Marsh McLennan Insights
What We Do
Marsh McLennan (NYSE: MMC) brings together nearly 78,000 experts in risk, strategy, and people across Marsh, Guy Carpenter, Mercer, and Oliver Wyman, serving clients in over 130 countries. Marsh enables enterprise worldwide by helping clients manage risks, transforming uncertainty into opportunity. Guy Carpenter helps clients grow profitably with reinsurance broking expertise, advisory services, and advanced analytics. Mercer helps organizations advance the health, wealth, and careers of their most vital asset — their people. Oliver Wyman’s expertise in strategy, operations, risk, and organization transformation changes what is possible for our clients, their industries, and society. Together, we combine a unique range of capabilities to help our clients solve problems, seize opportunities, and build lasting success in increasingly complex operating environments.
