Senior Client Manager

Job Overview

We are seeking a talented individual to join our Region Market Development team and manage a portfolio of large/jumbo client accounts s role will be based in either our Norwalk, CT or New York office.

You will play a critical role in establishing trusted advisor relationships with our Tri‑State clients, working with top tier consulting talent across Mercer's Practices and driving revenue growth. This is a hybrid role that has a requirement of working at least three days a week in the office.

• Manage a portfolio of large/jumbo client accounts (5,000+ employees), ensuring client satisfaction and addressing escalated issues effectively.
• Grow client revenue by establishing internal and external networks and channels with key buyers while generating new business opportunities.
• Develop and maintain process rigor on business development leads, tracking activities, and driving teams toward success.
• Navigate internal networks to bring together cross‑LOB and Marsh McLennan teams to create tailored solutions that meet client needs.
• Collaborate with Mercer consultants and thought leaders to design strategic growth plans and engage C‑suite executives in client and prospect organizations.

• Minimum of 15 years of experience in a consulting environment, with demonstrated success in client management.
• Strong project management, financial acumen, and communication skills.
• Ability to understand and respond to client business needs, priorities, and industry environments.

• Experience in engaging with C‑suite and senior‑level executives across HR, Finance, and IT sectors.
• Proven ability to build and expand buyer hubs, enhancing strategic relationships.
• Strong business acumen and a proactive approach to problem‑solving and solution architecture.

• 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 impact for 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.

Mercer, a business of Marsh McLennan (NYSE: MMC), is a global leader in helping clients realize their investment objectives, shape the future of work and enhance health and retirement outcomes for their people. Marsh McLennan is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses:
Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of $24 billion and more than 90,000 colleagues, Marsh McLennan helps build the confidence to thrive through the power of perspective. For more information, visit , or follow on Linked In and X.

Marsh McLennan is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law.

If you have a need that requires accommodation, please let us know by contacting rea

Marsh McLennan is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh McLennan colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office‑based teams will identify at least one "anchor day" per week on which their full team will be together in person.

The applicable base salary range for this role is $212,000 to $318,000. The base pay offered will be determined on factors such as experience, skills, training, location, certifications, education, and any applicable minimum wage requirements. Decisions will be determined on a case‑by‑case basis. In addition to the base salary, this position may be eligible for performance‑based incentives.

We are excited to offer a competitive total rewards package which includes health and welfare benefits, tuition assistance, 401K savings and other retirement programs as well as employee assistance programs.