Reserving Actuary - Controller

Liberty Specialty Markets; City Of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A global insurer in London is looking for a Reserving Actuary - Controller to manage reserving processes and deliver analyses. The ideal candidate will have strong actuarial qualifications, reserving experience in the London Market, and excellent communication skills. This permanent role involves collaboration and mentoring within a vibrant team culture, promoting inclusivity and professional development.

Benefits

Supportive culture promoting work-life balance

Career development opportunities

Commitment to diversity and inclusion

Qualifications

• Experience managing multiple competing projects and priorities.
• Ability to explain technical issues clearly to different audiences.
• Strong interpersonal skills for effective stakeholder support.

Responsibilities

• Manage the central estimate process and deliver quarterly analyses.
• Ensure quality and accurate data in the reserving process.
• Foster a culture of technical rigor and mentorship.

Skills

Strong analytical and problem-solving skills

Proven ability to influence senior stakeholders

Reserving experience in the London Market

Excellent written and verbal communication skills

Self-motivated, mature and resilient

Education

Fellow of the Institute and/or Faculty of Actuaries

Job description

Description & Requirements

Role Title: Reserving Actuary - Controller

Department:LII & LMRe Global Reserving

Location:London

Type:Permanent

About the Role:

The role is fundamental to delivery of reserving in a coordinated, robust and rigorous fashion. The “Reserving Actuary - Controller" reports to the Reserving Controller, supporting them in facilitating the LII & LMRe reserving process right through from operations to the reporting of results to management. Further responsibilities are listed below.

About the Department & Team:

The LII & LMRe Reserving team is part of the Global Reserving team within Global Risk Solutions Actuarial & Data Science Solutions. Our team is responsible for actuarial reserving analysis across LII and LMRe businesses providing transparent and independent view of business performance through consistently applied reserving best practice. Acting as independent trusted advisors to the business the team is responsible for objectively communicating the quarterly reserve analyses with insight and confidence.

Key Responsibilities

• Priorities
• Manage the central estimate process, delivering quarterly reserve and margin analysis to the LII & LM Re and GRS senior leadership.
• Ensure robust outcomes - execute on our control framework including formal controls, and regulatory and audit requirements.
• Support across the breadth of the quarterly US GAAP reserving process (gross and net of outwards reinsurance) across LII and LMRe globally.
• Support the transition to the new operating model which will involve close collaboration our stakeholders as well as tactical and strategic process improvement initiatives.
• Consolidation and collaboration
• Stakeholders: the broader reserving team, GRS Head Office, Corporate Reserving and the finance function.
• Act as a trusted independent advisor to the business that communicates the quarterly reserve analyses with insight and confidence, grounded in technical rigor and objectivity.
• Manage and develop the reporting capabilities of the reserving team to ensure stakeholders have access to the MI and insights needed to improve underwriting outcomes.
• Support coordination of response to thematic issues e.g. excess economic inflation modelling.
• Collaborate across GRS Actuarial & Data Science Solutions and partner functions to share knowledge and improve business outcomes, embracing the One GRS culture and the team of teams approach to problem solving.
• Operations quality and control
• Ensure the quality, accuracy and appropriateness of data and its consistent application in the reserving process.
• Continually seek opportunities to improve processes and controls so LII & LMRe reserving deliverables remain timely, accurate and regulatory‑compliant.
• People and professionalism
• Foster a culture of technical rigor, transparency, and consistency.
• Be an inclusive leader committed to mentoring and developing team members to assume progressively senior actuarial and business leadership roles.
• Undertake your role with due regard to the prescribed responsibilities and regulatory requirements associated with the Actuarial Function - which may require undertaking appropriate learning & development.

Skills and Experience

• Fellow of the Institute and/or Faculty of Actuaries (or equivalent qualification).
• Strong analytical and problem‑solving skills.
• Proven ability to influence senior stakeholders, with commercial awareness to support decisions that align with strategic objectives.
• Reserving experience in the London Market and broad knowledge of specialty insurance and reinsurance portfolios.
• Able to manage multiple competing projects and priorities, with strong interpersonal skills to provide effective stakeholder support.
• Equally comfortable working independently or as part of a broader team.
• Excellent written and verbal communication skills; able to explain technical issues clearly to audiences of differing technical ability and seniority.
• Self‑motivated, mature and resilient, with a constructive professional attitude.
• Demonstrated ability to perform effectively through periods of change and transformation

About Liberty Mutual Insurance Group

Liberty Mutual’s purpose is to help people embrace today and confidently pursue tomorrow. Keeping this promise means we are there when our policyholders throughout the world need us most.

Liberty Specialty Markets (LSM) and Liberty Mutual Re (LMRe) are part of Global Risk Solutions and the broader Liberty Mutual Insurance Group, which is a leading global insurer. We offer a breadth of world‑class insurance and reinsurance services to brokers and insureds in all major markets. LSM is managed internally as Liberty International Insurance (LII) comprising our insurances business globally writing in UK &Ireland, MENA, Europe, APAC and LatAm.

Our people are key to our success. That is why "Put People First" is one of the five Liberty values which unite us as a global organisation. We bring this to life for our colleagues through:

Offering a vibrant and inclusive environment and committing to their career development.

Promoting diversity, equity and inclusion (DEI). OurInclusion Matters frameworkand employee‑led networks strengthen the diversity of our workforce and our inclusive environment.

Reinforcing that collaborating together to share our unique perspectives help us make better decisions, deliver innovative solutions and pursue our ambitious goals.

A supportive culture, which includes promoting a healthy work‑life balance and working flexibly.

For more information, please follow the links below:

https://www.libertyspecialtymarkets.com/gb-en/careers/working-for-us

https://www.libertyspecialtymarkets.com/gb-en/careers/diversity-inclusion-wellbeing/diversity-and-inclusion

https://www.libertymutualre.com/careers/working-for-us

https://www.libertymutualre.com/careers/diversity-inclusion-wellbeing/inclusion-matters-networks