Full-Time

Senior Reinsurance Technician

Posted on 11/30/2025

Marsh

Marsh

10,001+ employees

Global insurance brokerage and risk advisory

No salary listed

Essex, UK

Hybrid

Three days on-site per week required.

Category
Finance & Banking (1)
Required Skills
HTML/CSS
Requirements
  • Calculate and allocate pro-rata premiums and claims for reinsurance contracts.
  • Knowledge of reinsurance concepts and principles, laws and regulatory requirements (e.g., FCA), and general business trends.
  • A track record of successful client account management, relationship management, engagement, and development.
  • Strong verbal and written communication skills for complex communications (presentations, negotiations, etc.) with clients, markets, and colleagues at all levels.
  • Demonstrated ability to work as part of a high-performance team and attention to detail in completing assigned tasks.
  • A positive attitude, willingness to offer and execute ideas and solutions to enhance processes in a changing environment.
Responsibilities
  • Manage service operations and functions within a client support process team, whilst providing direction on internal governance and compliance.
  • Support, assist and provide guidance to less experienced colleagues as needed.
  • Support Senior Management by contributing to the execution of Global CSS strategic objectives; lead and direct how the collective objectives of CSS in local Region and Globally are delivered.
  • Lead training sessions for all CSS colleagues as applicable.
  • Contribute to, and where required, lead change efforts, projects, quick wins, promote ideas to improve our provision of service, always question what next, never allows us to stand still.
  • Provide service process information for Request for Proposal (RFP) and sales opportunities.
  • Lead team meetings and activities to promote the sharing of opinions, ideas, knowledge and solutions; maintain strong working relationships and participate in initiatives and/or contribute where required to deliver outcomes.
Desired Qualifications
  • A degree in finance, mathematics, actuarial science, or a related field.
  • Strong knowledge of reinsurance concepts, including treaty and facultative reinsurance, proportional and non-proportional structures, and claims handling.
  • Excellent analytical and problem-solving skills, with the ability to interpret complex reinsurance contracts and resolve discrepancies.
  • In-depth technical knowledge of the reinsurance industry.
  • Experience in the London Market.
  • Consistent provision of guidance through mentoring and/or training colleagues.

Marsh is a diversified professional services firm that helps clients manage risk, secure insurance, and design risk-transfer programs. Its core work combines risk advisory with insurance brokerage, acting as a buyer of coverage and placing policies across multiple underwriters. It includes Mercer (HR consulting), Guy Carpenter (reinsurance brokerage), and Oliver Wyman (management consulting) under a holding structure. Its goal is to lower clients' financial risk and total cost of risk by combining risk transfer with advisory and consulting services across insurance, reinsurance, HR, and business strategy.

Company Size

10,001+

Company Stage

Seed

Total Funding

$110K

Headquarters

New York City, New York

Founded

1871

Simplify Jobs

Simplify's Take

What believers are saying

  • Mercer consulting revenue grew 11% in Q1 2026, outpacing traditional brokerage and driving higher margins.
  • EMEA division surged 14.1% year-over-year in Q1 2026, signaling strong European and emerging market expansion.
  • Niche insurance products like Port Blockage Insurance and Micassure capture underserved segments as commoditization pressures traditional lines.

What critics are saying

  • Aon's $13B Willis Towers Watson acquisition enables aggressive pricing that erodes Marsh's 30% global brokerage share.
  • Guy Carpenter's 2% organic growth in Q1 2026 trails Arthur J. Gallagher's 15% YoY, signaling reinsurance market share loss.
  • Sentrisk AI platform faces class-action lawsuits alleging misuse of client supply chain data for competitive intelligence.

What makes Marsh unique

  • Sentrisk AI platform maps supply chains with geospatial satellite imaging, uniquely addressing geopolitical and climate risks.
  • Holding company structure enables separately managed businesses: Marsh, Mercer, Guy Carpenter, Oliver Wyman.
  • Broker-as-advisor model since 1905 spreads client risk across multiple underwriters, not single insurers.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Paid Vacation

Paid Sick Leave

Hybrid Work Options

401(k) Retirement Plan

401(k) Company Match

Employee Stock Purchase Plan

Professional Development Budget

Tuition Reimbursement

Mental Health Support

Paid Holidays

Company News

Smartbroker Holding AG
Jul 28th, 2025
Mitsubishi Electric to Transfer Shares of Insurance Subsidiary to Marsh Japan

28.07.2025 - Mitsubishi Electric Corporation (TOKYO: 6503) announced today that it has concluded a share transfer agreement under which it will transfer shares of its Tokyo-based subsidiary Mitsubishi Electric Insurance Service Co., Ltd. to Marsh Japan, Inc. on ...

Coverager
Aug 28th, 2024
Marsh Launches Port Blockage Insurance

Marsh <i class="fa fa-info-circle company-popover" data-content="h3Marsh/h3. div. table

Business Wire
May 16th, 2024
Marsh Mclennan Stockholders Re-Elect Board Of Directors During 2024 Meeting

NEW YORK--(BUSINESS WIRE)--Marsh McLennan (NYSE: MMC), the world’s leading professional services firm in the areas of risk, strategy, and people, today announced the results of its 2024 Annual Meeting of Stockholders. Stockholders elected the entire slate of 2024 director nominees for a one-year term expiring at next year’s annual meeting. The 11 directors are: Anthony K. Anderson, John Q. Doyle, Oscar Fanjul, H. Edward Hanway, Judith Hartmann, Deborah C

Coverager
May 9th, 2024
Marsh Introduces Micassure

Marsh <i class="fa fa-info-circle company-popover" data-content="h3Marsh/h3. div. table

Coverager
May 2nd, 2024
Marsh Launches Sentrisk

Marsh <i class="fa fa-info-circle company-popover" data-content="h3Marsh/h3. div. table

INACTIVE