MS Amlin
Senior Underwriter - Marine & Energy Liability
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Role: Senior Underwriter - Marine & Energy Liability
Location: London
Position: Full time, permanent
About the Role
The Senior Underwriter - Marine and Energy Liabilities is responsible for underwriting and developing a portfolio of marine and energy liability business, contributing to the profitable growth of an established and well-performing account.
The book wrote around 81 million last year with 95% retention, of which around 23 million is led and 57 million followed. It has broadened well beyond its traditional upstream base, with significant growth in power and utilities, and continues to develop as the energy market itself changes.
The team runs as one, rather than as separate marine and energy silos, and is supported by a specialist marine and energy claims function and by the financial security of Mitsui Sumitomo. For an underwriter, that combination means a genuine lead book, a broad appetite, and the backing to write meaningful lines.
About the Job
While there is rarely a typical day, here’s a snapshot of some of the key parts of the job:
- Underwrite and manage a portfolio of marine and energy liability risks, making sound long-term decisions within the agreed appetite and authority.
- Contribute to the lead book, taking underwriting positions the market follows.
- Proactively develop and pursue new business opportunities, clients, and products.
- Build and maintain strong relationships with brokers and trading partners, representing the syndicate at market meetings and events.
- Structure solutions that balance client need with profitability, and negotiate terms with confidence.
- Monitor portfolio performance, identifying trends in pricing, claims, and emerging risk, and contribute to portfolio reviews.
- Support the continued development of the account as the energy market shifts, including the growth we are seeing in power and utilities.
- Work closely with our marine and energy claims colleagues so that the claims proposition forms part of what we offer clients.
- Analyse and write risks in accordance with our appetite and guidelines, making sound, profitable long-term decisions.
- Understand and negotiate wordings in line with corporate standards.
- Undertake analysis of the portfolio to identify business opportunities, products, and clients, building a robust business case for each.
- Drive the client experience through oversight of issues raised, including product design, liaison, and claims management.
- Act as a peer reviewer on risks and material endorsements as required.
- Play an active role in regular underwriting meetings and ensure the risk entry system is maintained.
- Produce accurate class reports, review underwriting figures regularly so that unusual trends or adverse movements are dealt with, and monitor premium payments.
- Remain alert to developments affecting the class, its profitability, and its opportunities, reporting to leadership as appropriate.
- Maintain underwriting documentation and records to a high standard.
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In addition to your key responsibilities, you will be expected to:
- Underwrite within your agreed authority, syndicate policies, and regulatory requirements, maintaining high standards of governance.
- Conduct your role in accordance with the company's Business Ethics policy and ensure compliance with relevant risk, regulatory, and legal requirements.
- Effectively represent yourself and the class in external activities, groups, and committees.
- Share market intelligence and technical knowledge across the underwriting team.
- Contribute to wordings and product development.
- Act as a referral point and support the development of less experienced colleagues.
- Act as an ambassador of our company, raising our profile in the market and proactively strengthening our reputation.
- Build long-lasting trusted relationships, developing client insight, and ensuring fair outcomes.
- Abide by MS Amlin's Conduct Rules and Values.
What You’ll Need
Experience:
- Marine or energy liability underwriting experience gained in the London market.
- Experience of leading business, or the technical depth and confidence to move into a lead role.
- A track record of writing new business and developing broker relationships.
- Sound technical judgement and the ability to make decisions under time pressure.
- Strong negotiating, networking, and relationship-building skills.
- A good understanding of relevant risk, regulatory, and legal requirements.
- ACII or a similar professional qualification would be advantageous.
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What Can You Expect From Us?
As well as a competitive base salary and performance-related discretionary bonus, here is a link to our employee benefits - Benefits of working at MS Amlin | MS Amlin
Hybrid Working
At MS Amlin we operate a hybrid working model to empower our people with flexibility to blend where they work. We value collaboration and believe that we work better together; our teams typically do 3 days a week in the office.
About MS Amlin
MS Amlin is a leading (re)insurer and part of the global MS&AD Group, with operations across Lloyd’s of London, the Middle East, and Asia Pacific. With over 120 years of experience, we support businesses facing complex and demanding risks, providing continuity in an uncertain world. Our expertise covers Property, Casualty, Marine, Crisis Management, Natural Resources, and Reinsurance, backed by strong underwriting capabilities and deep sector knowledge. At the core of our claims service is TRUST - Transparency, Responsiveness, Understanding, Solution-driven thinking, and Technical expertise. This defines how we manage claims and build lasting relationships.
We will build a workplace where all talent is welcomed, and everyone has the opportunity to influence how the business works. We have dedicated employee resource groups that support our Diversity, Equity, and Inclusion (DE&I) goals.
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