Senior Casualty Actuary in London

Are you ready to make a meaningful impact in a supportive and collaborative environment? Join our dynamic actuarial team, where you will work closely with a diverse global client base. You will focus on casualty classes, including professional lines and liability, supporting clients ranging from small monoline accounts to large global treaties.

Responsibilities

• Taking ownership of complex client cases by thoughtfully analysing risk, structuring, pricing, and optimising reinsurance programs.
• Confidently communicating your insights and work to brokers, clients, and markets, balancing technical expertise with commercial understanding.
• Providing expert actuarial support across a broad portfolio of clients, with a special focus on casualty classes such as professional lines and liability.
• Conducting detailed portfolio analyses to uncover key drivers and pricing changes that support successful market placements.
• Collaborating closely with the broking team to ensure clear, consistent messaging and deliver exceptional service to clients.
• Proactively identifying opportunities to improve processes and enhance efficiency in actuarial tasks.
• Continuously growing your knowledge of actuarial methods, systems, and industry trends, while deepening your business and market awareness.

Qualifications

• Be a fully qualified Actuary.
• Reinsurance experience.
• Strong organisational skills with the ability to manage multiple priorities and deadlines with ease.
• Excellent communication skills, enabling you to build meaningful relationships with clients, reinsurers, and internal stakeholders, and to present information clearly and confidently in both written and verbal formats.

Preferred Qualifications / What makes you stand out?

• Knowledge of Capital & Reserving.
• Experience in a non‑life pricing environment.
• Specialisation in casualty classes, including professional lines and liability, particularly within the London Market, international, or US markets.
• Experience working in a broking environment.

Benefits

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.

At Guy Carpenter, a business of Marsh McLennan (NYSE: MMC), we are a leading global risk advisory and reinsurance specialist and broker. 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.

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, civil partnership status, disability, ethnic origin, family duties, gender orientation or expression, gender reassignment, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law. We are an equal opportunities employer. We are committed to providing reasonable adjustments in accordance with applicable law to any candidate with a disability to allow them to fully participate in the recruitment process. If you have a disability that may require reasonable adjustments, please contact us at reasonableaccommodations@mmc.com. 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.