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Senior Client Manager – Business Insurance

Marsh McLennan

Senior Client Manager – Business Insurance

full-timePosted: Aug 2, 2026Updated: Sep 1, 2026Chesterfield - Maryville

Job Description

Company:Marsh McLennan AgencyDescription:Senior Client Manager – Business InsuranceOur not-so-secret sauce.Award-winning, inclusive, Top Workplace culture doesn’t happen overnight. It’s a result of hard work by extraordinary people. The industry’s brightest talent drive our efforts to deliver purposeful work and meaningful impact every day. Learn more about what makes us different and how you can make your mark as a Senior Client Manager at MMA.Marsh McLennan Agency (MMA) provides business insurance, employee health & benefits, retirement, and private client insurance solutions to organizations and individuals seeking limitless possibilities. With offices across North America, we combine the personalized service model of a local consultant with the global resources of the world’s leading professional services firm, Marsh (NYSE: MRSH).A day in the life. As our Senior Client Manager on the Business Insurance team, you will be responsible for overseeing and managing client accounts, ensuring exceptional service delivery, and customer satisfaction. This role involves leading the marketing process, preparing comprehensive proposals, binding coverage, and ensuring the accuracy of policy documentation. The Senior Client Manager will also mentor team members, collaborate with cross-functional teams, and contribute to the agency's growth and retention goals.Our future colleague.We’d love to meet you if your professional track record includes these skills:High school diploma or equivalent3+ years of experience working in customer service, underwriting, commercial lines insurance for a carrier or broker preferredFamiliarity with insurance company markets, binding authority, and underwriting guidelines preferredProperty/Casualty license or ability to attain is requiredThese additional qualifications are a plus, but not required to apply:AAI, CIC, CISR, or CRIS designation preferredWe know there are excellent candidates who might not check all of these boxes. Don’t be shy. If you’re close, we’d be very interested in meeting you.Valuable benefits.We value and respect the impact our colleagues make every day both inside and outside of work. Our culture promotes colleague well-being through robust benefits programs and resources, professional and personal development opportunities, and fulfillment through meaningful work.Some benefits included in this role are:Generous time off, including personal and volunteeringTuition reimbursement and professional development opportunitiesHybrid workCharitable contribution match programsStock purchase opportunitiesTo learn more about a career at MMA, check out our website or flip through our recruiting brochure.Follow us on social media to meet our colleagues and see what makes us tick:InstagramFacebookXLinkedInWho you are is who we are. We embrace a culture that celebrates and promotes the many backgrounds, heritages and perspectives of our colleagues and clients. We are always seeking those with ethics, talent, and ambition who are interested in joining our client-focused teams.Marsh McLennan and its affiliates are EOE Minority/Female/Disability/Vet/Sexual Orientation/Gender Identity employers.#MMAUMW#LI-Hybrid#MMABI

Locations

  • Chesterfield - Maryville

Required Qualifications

  • We embrace a culture that celebrates and promotes the many backgrounds, heritages and perspectives of our colleagues and clients. We are always seeking those with ethics, talent, and ambition who are interested in joining our client-focused teams. (experience)

Responsibilities

  • Generous time off, including personal and volunteering
  • Tuition reimbursement and professional development opportunities
  • Hybrid work
  • Charitable contribution match programs
  • Stock purchase opportunities
  • To learn more about a career at MMA, check out our website or flip through our recruiting brochure.
  • Follow us on social media to meet our colleagues and see what makes us tick:
  • Instagram
  • Facebook
  • LinkedIn

Benefits

  • general: We value and respect the impact our colleagues make every day both inside and outside of work. Our culture promotes colleague well-being through robust benefits programs and resources, professional and personal development opportunities, and fulfillment through meaningful work.

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