Jobs › Marsh McLennan

Senior Actuarial Associate

Marsh McLennan · Chicago, IL · $84,700–$155,400 a year · Full time

Posted Sep 10, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

How do you guide junior team members when they are researching industry and regulatory developments?

What they are checking: Early leadership and the ability to direct research toward what affects loss liabilities.

Tell me about a time you built a relationship with someone outside your team that helped your work.

What they are checking: Relationship building with brokers and reinsurers, which the role asks for.

Which actuarial exams have you passed, and how do you balance study with client work?

What they are checking: Progress on credentials and the discipline needed to keep moving forward.

What would you do

How would you explain the assumptions behind a model result to a broker who is not an actuary?

What they are checking: Ability to explain results clearly, which the role says is part of daily work.

A broker needs results by end of day, but the data has issues you have not resolved. What do you do?

What they are checking: Whether they stay open about data problems even when a broker is pressing for fast results.

About the work

When you receive client loss data, what do you check before loading it into a model?

What they are checking: Data reasonableness habits such as reconciling totals, spotting gaps and questioning sudden changes.

Walk me through how you would use MetaRisk or a similar model to evaluate a reinsurance program.

What they are checking: Hands-on modeling ability and understanding of how assumptions drive simulated results.

What is the difference between a quota share and an excess of loss treaty, and when would a client want each?

What they are checking: Core reinsurance knowledge tied to client risk tolerance.

How would you adjust historical losses for trend and development before using them in pricing?

What they are checking: Understanding of on-leveling, trending and developing losses to an ultimate basis.

What regulatory or industry change could affect loss liabilities for a casualty client right now?

What they are checking: Awareness of current developments and their link to client outcomes.

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The full job description

As published by Marsh McLennan.

Company: Guy Carpenter Description: We are seeking a talented individual to join our team at Guy Carpenter. This role is available in several locations and is a hybrid position that requires at least three days in the office each week. This role supports reinsurance actuarial services by working with brokers, performing risk analyses, guiding junior team members, and maintaining key client and market relationships. We will count on you to: • Communicates directly with brokers regarding client needs and advises on reinsurance programs based on risk tolerance and industry trends. • Performs calculations using specialty models and client data to assess risk exposures and project outcomes. • Reviews client data for reasonableness, loads data into predictive models, runs analyses, and shares results with brokers to support the reinsurance transaction process. • Directs junior team members in analyzing industry and regulatory developments that may affect loss liabilities and client outcomes. • Independently builds more complex MetaRisk analyses and uses the model to explain assumptions and results. • Establishes and maintains relationships with brokers, reinsurers, and clients to support new business development in reinsurance actuarial services. What you need to have: • Bachelor’s degree in Actuarial Science, Data Science, Economics, Accounting, Physics, or a related field. • 2+ years of actuarial or related experience in underwriting, brokerage, or P&C insurance, with at least one actuarial exam completed. • Curious, proactive, and growth-oriented, with the ability to lead internal initiatives and research projects to completion. • Strong communication and presentation skills, with the ability to explain complex technical concepts clearly to brokers and clients. • Collaborative, team-oriented, and proficient in MS Excel and other Microsoft Office products. What makes you stand out: • 1+ year of experience or internship in insurance or reinsurance. • Progress towards CAS track. • Familiarity with R, Python, SQL, Alteryx, or Power BI. 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. Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit marsh.com, or follow us on LinkedIn and X. Marsh 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 reasonableaccommodations@marsh.com. Marsh 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 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 $84,700 to $155,400. 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.

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