About MSIG Specialty Marine

MSIG Specialty Marine is a specialist marine MGA (coverholder) providing tailored insurance solutions across global markets. We combine multiple carrier options, giving us A‑rated capital flexibility, and are backed by one of the largest teams of marine underwriters and claims specialists in Europe. This depth of expertise allows us to support clients with knowledge‑led underwriting, risk advisory, and claims insight. With approximately 250 specialists and one of the broadest product ranges in the market, we are recognised for our technical expertise, client focus, and solution‑driven approach. We aim to be a world‑class marine insurance partner, working closely with our clients to deliver innovative risk solutions and first‑class service from underwriting through to claims.

The Opportunity

We are looking for an Underwriter Builders Risk to join our team in Rotterdam. This is a key role within a high‑performing and strategically important area of the business. You will be part of a strong, experienced team with an established market reputation, while also having the opportunity to develop your own expertise and impact.

Depending On Your Experience And Background, You Will

Contribute to underwriting complex risks and support portfolio decisions
Take increasing ownership of accounts and broker relationships over time
Play a role in shaping portfolio development and profitable growth

The Role in Practice

This role sits at the intersection of technical underwriting, commercial thinking, and relationship management. You won’t just assess risk, you will be reviewing complex projects, working closely with brokers, and contributing to decisions on what business makes sense for MSIG Specialty Marine to write. This is not a purely transactional role. You will be encouraged to apply judgement, challenge risk, and develop a commercial mindset. Support and guidance will be available, whilst also giving you the space to take ownership as you grow.

You will work on a broad range of shipbuilding risks at shipyards, on all kinds of vessels such as dredging, mega yachts, offshore, military and other special vessels. New building, repairs, conversions and with a growing attention towards energy related risks.

The Portfolio Is Highly International, With Exposure To

The Netherlands
London / UK market
Germany, France, Spain
US / Canada and wider global markets
Eastern Europe

This Is a Fast-moving Environment Where You Will

Navigate multiple priorities and deadlines
Balance underwriting, administration, and client engagement
Build confidence in decision-making, even when information is incomplete

What You Will Be Doing

Supporting and underwriting Builders’ Risk and Energy risks in line with appetite and guidelines
Managing and developing a portfolio (or supporting portfolio management, depending on experience)
Building and maintaining relationships with brokers and clients
Conducting risk assessments using data, insight, and market knowledge
Monitoring portfolio performance and supporting improvements
Contributing to underwriting strategy and identifying opportunities
Working closely with claims and internal teams to ensure alignment
Representing MSIG Specialty Marine in the market

What We Are Looking For

Background in marine insurance, underwriting, or a related field
Exposure to Builders Risk, Hull, Machinery, Energy, or similar lines is beneficial but not essential
Experience analysing or supporting complex risks
Experience working with brokers, clients, or internal stakeholders

We are also open to candidates from across the wider marine ecosystem (e.g. broking, surveying, operations, legal), provided you understand how risk connects across the value chain and are motivated to develop within underwriting.

Skills & Mindset

This role is suited to someone who brings curiosity, ownership, and a willingness to learn.

You May Be

Building your underwriting expertise and looking to take the next step
Or bringing deeper experience and ready to take ownership and mentor others

We Are Looking For Someone Who Is

Proactive and solutions-focused
Commercially aware, with a developing or established sense of judgement
Confident communicating with stakeholders (or keen to build this)
Detail-oriented with strong accuracy
Comfortable working in a dynamic environment
Open to learning and continuous improvement

Team & Culture

Collaborative, open, and supportive
Straightforward and transparent, with a focus on shared success
Built on trust, ownership, and accountability
High performing, with clear expectations and standards

Benefits

30 vacation days per year (based on a full-time 40‑hour workweek)
13th-month salary as an additional financial benefit
Opportunity to lease a bike for sustainable commuting
50% contribution to additional health insurance
Participation of bonus scheme
Contribution towards sports facility memberships
A dynamic work environment in the heart of Rotterdam
A collaborative and supportive team culture where your contributions are valued

If this sounds like the right next step for you, and you are interested in joining a specialist marine insurance business where you can develop your expertise, take ownership and contribute to a growing international portfolio, we would be pleased to hear from you.

We look forward to hearing from you.

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MSIG Europe