Senior Underwriter Assistant

Our team provides underwriting support across Sompo's global reinsurance platform. We partner closely with brokers, underwriters, and cross-functional teams to deliver accurate, timely underwriting execution through technical contract expertise, disciplined data management, and operational excellence. Working alongside underwriting, claims, finance, actuarial, legal, IT, and operations, you'll play a key role in supporting deal execution, renewals, and portfolio management.

What you’ll be doing

• Interpret and analyze reinsurance deals for accurate system entry and program setup.
• Manage underwriting programs by maintaining data integrity, documentation, reports, and portfolio tracking.
• Coordinate the renewal process, including gathering prior-year data, experience reports, AM Best information, and accounting items.
• Review slips and contracts for accuracy, compare renewals, maintain diary systems, and ensure complete documentation supporting final contract terms.
• Monitor accounts, premium activity, cash receipts, contract adjustments, and provisional notices of cancellation.
• Partner with brokers, clients, Finance, Claims, IT, and Business Services to support contract administration and account processing.
• Create and maintain management and portfolio reports using underwriting systems, Excel, and reporting tools.
• Support business initiatives through research, financial analysis, presentations, marketing materials, and special projects.
• Identify opportunities to improve processes and systems, participate in user acceptance testing (UAT), and contribute ideas that enhance team effectiveness.

What You'll Bring

• 5+ years of reinsurance industry experience with a broker, reinsurer, or ceded reinsurance department.
• Strong knowledge of reinsurance contract wording and underwriting support processes.
• Bachelor's degree or equivalent combination of education and relevant experience.
• Advanced Excel skills, including PivotTables; experience with Power BI is a plus.
• Strong analytical, organizational, and problem-solving skills with exceptional attention to detail.
• Ability to manage multiple priorities, work proactively, and collaborate effectively across teams.
• Experience maintaining accurate data, producing reports, and supporting underwriting operations in a fast-paced environment.