Full-Time

Technical Calculations Actuarial Consultant

Team Leadership, Nationwide

Posted on 3/28/2026

Marsh

Marsh

10,001+ employees

Global insurance brokerage and risk advisory

No salary listed

London, UK + 5 more

More locations: Edinburgh, UK | Leeds, UK | Belfast, UK | Manchester, UK | Liverpool, UK

Hybrid

Hybrid: requires at least three days per week in the local office; teams will identify an anchor day.

Category
Finance & Banking (1)
Requirements
  • Qualified or part-qualified actuary
  • Experience in technical calculations for actuarial projects
  • Strong understanding of UK Defined Benefit pension schemes and experience in benefit calculations
  • Excellent analytical, numerical, and critical thinking skills, with a solid grasp of actuarial approaches for pensions
  • People management skills
Responsibilities
  • Collaborate and Lead: Work within a fantastic multi-disciplinary team on complex defined benefit modelling, utilising advanced actuarial skills and techniques to specialise in intricate UK pension solutions
  • Quality Assurance: Take charge of checking and reviewing complex calculations, ensuring accuracy and clarity in communicating results to consultants and wider support teams
  • Drive Improvement: Contribute to our culture of continuous improvement by developing and delivering knowledge-sharing initiatives, training sessions, and coordinating new process rollouts across various locations
  • Build Relationships: Partner with internal teams to deliver a seamless service across different lines of business within Mercer, enhancing collaboration and efficiency
  • Support and Develop: Play a key role in the development of junior colleagues within the team, supporting their performance reviews, training, and personal development plans. As a team leader, you will inspire and motivate your team, fostering a culture of excellence and accountability
  • Client Engagement: Develop your consulting skills by engaging directly with clients on various aspects of actuarial projects, enhancing your professional experience
  • Project Involvement: Participate in a variety of actuarial projects, including but not limited to pension scheme valuations, risk assessments, and benefit design initiatives. Your role will involve applying actuarial techniques to solve complex problems and deliver tailored solutions for our clients
  • Team Leadership: As a team leader, you will be responsible for setting clear objectives for your team, aligning their efforts with the broader goals of the organisation. You will facilitate regular team meetings to discuss progress, share insights, and address challenges, ensuring that everyone is working towards common objectives
Desired Qualifications
  • Previous experience in a similar role within an Actuarial team, particularly in Pensions, with a focus on technical aspects and solid exposure to consultants and broader client support teams
  • Proven leadership skills, with the ability to inspire and motivate a team while fostering a collaborative and high-performance culture

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.

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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