Responsibilities

The Opportunity

We are seeking an experienced Senior Underwriter, Casualty Treaty to play a key role in delivering the Casualty Treaty business plan. This is a high‑impact position offering significant involvement in underwriting strategy, portfolio development, broker engagement and team mentoring.

Reporting to the Head of Casualty Treaty, you will underwrite business within agreed authority, support the development of the portfolio, and act as a senior technical presence within the team.

Key Responsibilities

Underwriting & Portfolio Strategy

Underwrite casualty treaty business in line with underwriting guidelines, processes and delegated authority
Support the Head of Department in business planning, budget activity and portfolio strategy
Promote and develop client and broker relationships through meetings, travel and marketing activity
Assess emerging risks, market developments and underwriting issues, and recommend appropriate actions
Ensure robust technical evaluation of exposures in collaboration with Actuarial
Support pricing tool development and ensure correct and consistent usage
Ensure all underwriting decisions, peer reviews and records are fully documented and compliant

Performance, Analytics & Governance

Contribute to quarterly post‑mortem reviews, providing analysis on new business, declined risks and market conditions
Support retrocession purchase analysis where required
Maintain underwriting discipline and ensure adherence to governance frameworks

Aggregate & Exposure Management

Assist in the development and ongoing maintenance of casualty aggregate monitoring processes and controls
Work with Actuarial to develop realistic disaster and aggregation scenarios

Leadership & Team Development

Mentor and support junior members of the Casualty Treaty team
Contribute to training, research projects and broader team development initiatives
Escalate relevant team and portfolio issues to senior leadership as appropriate

Qualifications

Skills, Knowledge & Experience

Strong, demonstrable experience in Casualty Treaty Reinsurance underwriting
Excellent knowledge of the reinsurance market and underwriting processes
Strong commercial and financial acumen
Highly analytical, numerate and detail‑focused
Confident communicator with strong written and verbal skills
Proven ability to manage competing priorities and meet deadlines
Capable of working independently while promoting a collaborative, collegiate culture
Degree educated (preferred but not essential)

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