Actuary - Marine, Energy & Engineering - Guy Carpenter

MARSH & MCLENNAN COMPANIES, INC; City of Westminster; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading risk advisory firm in London seeks an experienced actuary to lead client casework, manage complex reinsurance programmes, and contribute to model development. The ideal candidate has a strong analytical background and is proficient in actuarial software tools like Python, R, and SQL. This position offers the opportunity for professional development in a collaborative, diverse environment, with flexibility for hybrid work.

Benefits

Professional development opportunities

Inclusive culture

Hybrid working arrangements

Qualifications

• Part-qualified, nearly qualified or fully qualified actuaries will be considered (e.g., IFoA, SOA, CAS, or equivalent).
• Experience in Marine, Energy, Engineering and Terror lines of business is preferable but not necessary.

Responsibilities

• Lead client casework with care and precision, including risk analysis, structuring, pricing, and optimisation.
• Collaborate on model and tool development, bringing fresh ideas and perspectives.
• Translate complex technical concepts into accessible insights for diverse audiences.

Skills

Pricing actuary expertise

Analytical skills

Problem-solving skills

Communication skills

Client-facing experience

Education

Bachelor’s degree in Mathematics, Statistics, Economics or related field

Tools

Python

R

SQL

Excel

Job description

Company: Guy Carpenter

Marine, Energy, and Engineering Analytics Team

The Marine, Energy, and Engineering Analytics team currently comprises eleven actuaries and two catastrophe modellers in London, along with three additional catastrophe modellers in Mumbai. We are a truly global team serving large multinational clients, regularly collaborating with our broking and analytical colleagues across the US and Asia. There is ample opportunity to add real value to our clients and plenty of room for creativity. Our team is collaborative and innovative, having naturally grown over the years with colleagues joining from other teams within the company. The team maintains a significant client and market‑facing presence, and team members are expected to support this by presenting and pitching to prospective clients. While based in London, the successful candidate will have the opportunity to become a key part of a team with a global reach and remit.

Key Responsibilities

• Lead client casework with care and precision, including risk analysis, structuring, pricing, and optimisation of technically complex reinsurance programmes.
• Collaborate on model and tool development, bringing fresh ideas and perspectives.
• Design innovative tools to process, visualise, and analyse data in ways that empower decision‑making.
• Communicate clearly and empathetically, engaging brokers and delivering presentations that build trust and understanding.
• Balance multiple priorities with confidence, managing deadlines and stakeholder needs thoughtfully.
• Translate complex technical concepts into accessible insights for diverse audiences.
• Pursue independent research in Marine, Energy, Terrorism, and Engineering, nurturing your expertise and staying connected to market and regulatory developments.

Qualifications

• Demonstrated expertise as a pricing actuary or capital modelling actuary, preferably in the London Market.
• Part‑qualified, nearly qualified or fully qualified actuaries will be considered (e.g., IFoA, SOA, CAS, or equivalent).
• Bachelor’s degree in Mathematics, Statistics, Economics, or a related field.
• Strong analytical, problem‑solving, and communication skills.
• Proficiency in actuarial software and statistical/data analysis tools (e.g., Python, R, SQL, Excel).
• Experience in Marine, Energy, Engineering and Terror lines of business is preferable but not necessary.

What Makes You Stand Out

• A mature, self‑driven individual with the curiosity to question and learn.
• Client‑facing experience.
• Ability to remain calm under pressure and work flexibly when required.

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 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.

Company Overview

Guy Carpenter, a business of Marsh McLennan (NYSE: MMC), is 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.

For more information, visit guycarp.com, or follow on LinkedIn and X.

Equality, Diversity and Reasonable Adjustments

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 [e-mail].

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.