Senior Underwriter Assistant

About the role

Sompo has a unique opportunity for a Senior Underwriter Assistant to join our Reinsurance Underwriting Support team. 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.

Responsibilities

• Interpret and analyze reinsurance deals for accurate system entry and program setup.
• Manage underwriting programs by maintaining data integrity, documentation, reports, and portfolio tracking.
• Cook up 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.

Requirements

• 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.
• Able 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.

Qualifications

• Strong communication and interpersonal skills.
• Ability to work independently and as part of a team.
• Proficiency in Microsoft Office Suite.

Skills

• Reinsurance contract interpretation and negotiation.
• Data management and portfolio tracking.
• Renewal process coordination.
• Contract review and documentation.
• Financial analysis and reporting.
• Project management and time management.

Benefits

We strive for collaboration which is why we offer a work environment where our employees thrive and develop long lasting careers. Our comprehensive U.S. benefit programs include:

• Two medical plans to choose from, including a Traditional PPO & a Consumer Driven Health Plan with a Health Savings account providing a competitive employer contribution.
• Pharmacy benefits with mail order options.
• Dental benefits including orthodontia benefits for adults and children.
• Vision benefits.
• Health Care & Dependent Care Flexible Spending Accounts.
• Company-paid Life & AD&D benefits, including the option to purchase Supplemental life coverage for employee, spouse & children.
• Company-paid Disability benefits with very competitive salary continuation payments.
• 401(k) Retirement Savings Plan with competitive employer contributions.
• Competitive paid-time-off programs, including company-paid holidays.
• Competitive Parental Leave Benefits & Adoption Assistance program.
• Employee Assistance Program.
• Tax-Free Commuter Benefit.
• Tuition Reimbursement & Professional Qualification benefits.

Pay

Salary Range: $90,000 – $120,000

Schedule

Location: This position can be based in either our Garden City, Purchase, or New York City, New York office.