Senior Actuarial Specialist

Markel; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Annual bonus

25 days holiday + Bank Holidays

Company pension scheme

Private medical and dental cover

Life assurance

Travel insurance cover

Income protection

Season ticket loan

Job summary

Markel Group in Greater London is seeking an actuary to support Global Reserving—driving reserving analysis, reporting, and transformation initiatives across the organisation.

The role involves engagement in reserve close, analytics, ERMS enhancements, data integration, and communication with senior stakeholders. Strong actuarial experience and a track record in reserving are essential, with hybrid working in the UK.

Qualifications

• Degree in actuarial science, mathematics, statistics, or related discipline.
• Credentialed member of an internationally recognised actuarial association (IFoA or CAS).
• Proven actuarial experience in reserving or financial reporting.
• Strong analytical, problem-solving, and communication skills.
• Ability to translate technical findings into practical business insights.
• Experience with actuarial and data tools: ResQ, Excel, MRD; SQL/Python/Alteryx preferred.

Responsibilities

• Contribute to quarterly reserve close and Reserve Committee materials.
• Support ResQ/MRD development, testing, and maintenance.
• Assist in embedded margin roll-off methodologies development.
• Standardise and streamline reserving processes across Markel.
• Assist ERMS-based reserving enhancements and data integration.
• Simplify reserving data structures and workflows (ResQ/MRD).
• Perform reserve reviews and monitoring including adequacy and embedded margin.
• Develop and maintain reserving tools and analytics, enabling visualization and communication.
• Utilize ResQ, Excel, MRD, SQL, Python, and Alteryx for analyses.
• Communicate findings to Actuarial, Finance, Claims, Underwriting, and Exec leadership.
• Support IBNR uploads, pre-close processes, ERMS/Claims Centre initiatives.
• Contribute to centralisation of reserving activities and automation opportunities.
• Represent the Department on cross-functional teams.

Skills

Analytical thinking

Communication skills

Actuarial proficiency

Problem-solving

Education

Degree in actuarial science/related field

Credentialed member of IFoA/CAS

Tools

ResQ

Excel

MRD

SQL

Python

Alteryx

Job description

Looking for a role that will have a meaningful impact in Actuarial?

This role supports Global Reserving at Markel by delivering reserving analysis, reporting, and transformation initiatives, leveraging actuarial expertise, data analytics, and process improvement to enhance reserve insights, operational efficiency, and strategic decision‑making across the organization.

What part will you play? If you’re looking for a place where you can make a meaningful difference, you’ve found it. The work we do at Markel gives people the confidence to move forward and seize opportunities, and you’ll find your fit amongst our global community of optimists and problem‑solvers. We’re always pushing each other to go further because we believe that when we realise our potential, we can help others reach theirs.

Join us and play your part in something special!

The opportunity:

This role offers a high-visibility opportunity to help shape the future of Global Reserving at Markel. Positioned within a global actuarial function, the role supports critical reserving execution while contributing to enterprise-wide transformation initiatives that improve consistency, efficiency, and insight across the corporation. For an actuarial professional seeking broader exposure, greater influence, and a more direct connection to corporate priorities, this position provides meaningful involvement in Global Re runoff reserving, reserve transformation, analytics, industry research, visualization of results, and communication with senior actuarial and business stakeholders. The role also supports important actuarial activities including internal and external audits, confidence‑level analysis, IT and infrastructure projects, and development of scalable reserving solutions that strengthen decision‑making across Markel.

What you’ll be doing:

Reserving Operationalization

• Contribute to quarterly reserve close, reporting, and Reserve Committee materials

• Participate as needed in ResQ/MRD development, support, and testing

• Assist in development and implementation of embedded margin roll‑off methodologies

Reserve Transformation & Process Improvement

• Support and maintain initiatives to standardise and streamline reserving processes across Markel

• Assist in ERMS‑based reserving enhancements, including MIICL/MISE solutions and data integration

• Contribute to simplification of reserving data structures and workflows (ResQ/MRD)

Global Re Reserving Analytics

• Perform reserve reviews and monitoring, including adequacy, AvE, and embedded margin analysis

• Support development and maintenance of reserving tools and analytics (e.g., AvE, reserve performance tracking) that support visualization and communication

• Utilise actuarial and data tools including but not limited to ResQ, Excel, MRD, SQL, Python, & Alteryx

Excellence in Non-Product Work

• Effectively communicating findings to Actuarial, Finance, Claims, Underwriting, and Executive Leadership, presenting analyses clearly and responding promptly to additional requests

• Support IBNR uploads, pre‑close processes, and ERMS/Claims Centre initiatives
  Contribute to centralisation of reserving activities and reduction of product‑actuary dependency

• Provide support to broader global reserving (e.g., P&S, W&S, International) as needed
  Identify and support opportunities to improve efficiency through automation and AI
  Contribute to scalable solutions that enhance actuarial workflows and data quality

• Representing the Department on cross‑functional teams

• Other actuarial work and Ad hoc requests from product line leaders and executive leadership

Our must-haves:

• Degree in actuarial science, mathematics, statistics, or a related discipline, or equivalent relevant experience

• Credentialed member of an internationally recognised actuarial association (for example CAS or IFoA)

• Proven actuarial experience, ideally in reserving or financial reporting

• Strong analytical, problem‑solving, and communication skills

• Ability to translate technical findings into practical business insights

• Experience with actuarial and data tools (ResQ, Excel, MRD; SQL/Python/Alteryx preferred)

Who we are:

Markel Group (NYSE – MKL) a Fortune 500 company with over 60 offices in 20+ countries, is a holding company for insurance, reinsurance, specialist advisory, and investment operations around the world.

We’re all about people | We win together | We strive for better | We enjoy the everyday | We think further

What’s in it for you?

• A great starting salary plus annual bonus & strong benefits package…

• 25 days paid holiday plus Bank Holidays, with the opportunity to buy/sell extra leave

• Fantastic company pension scheme, private medical and dental cover, life assurance, travel insurance cover, income protection, season ticket loan as well as other great benefits on offer

• There are countless opportunities to learn new skills and develop in your career and we can provide the support needed to do just that!

Markel celebrates the value of a diverse workforce that brings experience and expertise from a wide variety of backgrounds and life circumstances. Whatever your background, if you feel you meet the requirements of this role then we want to hear from you. We are also happy to consider candidates who are looking for flexible working patterns.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.

We will ensure that individuals with disabilities are provided with all reasonable accommodations to be able to participate in the job application or interview process and to perform essential job functions if successful. Please contact us via email at [e-mail] or call us at 0161 507 5827 to request any accommodations that may be needed. This includes any alternative formats of any documents or information on how to apply offline.

#LI-Hybrid #PlayYourPartUK