Capital Solutions Actuary

Willis Re (UK) Limited; Greater London; On-site; GBP 100,000 - 140,000; Full time

Job summary

Willis Re in London seeks an experienced Capital Solutions Actuary to join the Capital Solutions & Advisory team. You will build and run capital models, quantify capital needs on one-year, ultimate and multi-year bases, and translate results into practical client recommendations.

You will present insights to senior stakeholders, design capital solutions such as sidecars and alternative capital, and support rating agency interactions.

Qualifications

• Fully qualified actuary with extensive capital management experience.
• Immediate experience building and running capital models.
• Strong knowledge of capital settings and risk transfer concepts.

Responsibilities

• Build, parameterise and run stochastic capital models for insurers, reinsurers, Lloyd’s syndicates and investors.
• Design and evaluate capital solutions including sidecars and alternative reinsurance structures.
• Parameterise risk categories and calculate capital requirements (1-year, ultimate, multi-year).
• Present complex capital analysis to senior stakeholders and advise on capital allocation.
• Support rating agency engagements and assess impact of capital strategies.

Skills

Capital modelling

Client-facing

Stochastic modelling

Excel

Education

FIA/FFA/FCAS

Tools

Python

R

SQL

Job description

Seeking an experienced Capital Solutions Actuary for our Capital Solutions & Advisory team. The Role This is an exciting opportunity for an experienced capital modelling actuary to step out of a traditional internal modelling role and into a client-facing capital solutions advisory position. Joining Willis Re’s Capital Solutions & Advisory division, you will put years of capital modelling expertise to work for a broad range of insurers, reinsurers, Lloyd’s syndicates and investors, providing capital advisory and creating new capital solutions that help clients make Better-informed decisions about capital, risk appetite and risk transfer. Operating at the intersection of actuarial analytics, broking and capital markets, the successful candidate will design and evaluate capital solutions spanning traditional reinsurance, retrocession, and alternative third‑party capital and reinsurance structures. They will build, parameterise and run capital models, quantify capital requirements on one-year, ultimate and multi‑year bases, and translate the results into clear, practical recommendations on capital efficiency and return on capital. Develop scenarios that deliver client-insights on return on capital overall level, volatility and resilience under key variable and broader stress scenarios. We are looking for someone with immediate, current industry experience of capital management and capital modelling, who can work directly with senior client stakeholders, build trusted relationships and ensure that every engagement is responsive, practical and focused on measurable client outcomes.

Key responsibilities include:

• Build, parameterise and run stochastic capital models for insurers, reinsurers, Lloyd’s syndicates and investors, supporting capital management, business planning and strategic decision-making.
• Design and evaluate capital solutions, including reinsurance, retrocession, third‑party capital and alternative reinsurance structures such as sidecars, collateralised reinsurance, insurance‑linked securities and structured covers.
• Parameterise the key risk categories within capital models, including insurance (premium and catastrophe), reserve, market and credit risk, together with appropriate dependency structures.
• Calculate one‑year, ultimate and multi‑year capital requirements, and assess the impact of alternative business plans and risk‑transfer strategies on required and available capital.
• Calculate and interpret return metrics such as return on investment (ROI), return on capital (ROC) and risk‑adjusted return on risk‑adjusted capital (RORAC) to inform structure selection and capital allocation.
• Simulate the distribution of profit and loss to support risk appetite setting, earnings volatility analysis, capital allocation and the evaluation of reinsurance and capital options.
• Perform scenario and stress testing, including Realistic Disaster Scenarios (RDS), to assess resilience and validate model outputs.
• Advise clients on capital requirements and capital adequacy under Lloyd’s, SolvencyII and BCAR frameworks, and on the treatment of risk transfer within rating agency capital assessments.
• Support clients with rating agency engagement, analysing the impact of capital and reinsurance strategies on rating agency capital adequacy and ratings outcomes.
• Present complex capital analysis clearly and persuasively to senior client Stakeholders, including CFOs, CROs, chief actuaries, boards and investors.
• Partner closely with brokers, catastrophe modellers, capital markets specialists and analytics colleagues to develop compelling capital narratives that support placements and client strategy.
• Build strong rapport with clients through regular, senior‑level engagement, developing a deep understanding of their strategy, portfolios, capital position and decision‑making needs.
• Contribute to the development of capital modelling tools, methodologies and client‑facing outputs, improving technical accuracy, workflow efficiency and governance.
• Contribute to RFP responses, new‑business opportunities, thought leadership and long‑term client engagement strategies within capital solutions and advisory.

About You Essential Qualifications & Experience:

• Fully qualified actuary (FIA, FFA, FCAS or equivalent) with extensive years’ relevant experience in insurance, reinsurance or advisory.
• Immediate, current industry experience of capital management, including building, parameterising and running capital models.
• Strong experience parameterising insurance, reserve, market and credit risk, including dependency modelling.
• Experience calculating one‑year, ultimate and multi‑year capital requirements for insurers and/or investors.
• Experience calculating and interpreting return metrics, including ROI, ROC and RORAC.
• Experience of scenario analysis and stress testing, including Realistic Disaster Scenarios (RDS), and of simulating P&L distributions.
• Sound understanding of how reinsurance, retrocession, third‑party capital and alternative reinsurance structures affect capital requirements and returns.
• Strong knowledge of capital setting regimes, including Lloyd’s, SolvencyII and BCAR.
• Strong knowledge of rating agency capital requirements and methodologie.
• Demonstrated ability to explain complex actuarial and capital concepts clearly to senior stakeholders and non‑technical audiences, and to challenge assumptions constructively.
• Exceptional relationship‑building and influencing skills, with the confidence to operate in a fast‑paced, client‑facing environment.
• Ability to manage multiple complex projects and coordinate contributors across actuarial, broking, catastrophe‑modelling and capital markets teams.
• Advanced Excel skills and proficiency in stochastic capital modelling tools; working knowledge of Python, R or SQL is an advantage.
• Desirable: Knowledge of Igloo or similar stochastic capital modelling platforms.
• Knowledge of running the Lloyd’s Standard Model for new syndicates.
• Experience of running SolvencyII Standard Formula capital requirement calculations.

Personal Qualities and Attitude

• Integrity: work with the highest ethical standards in handling client and WRe confidential information, handling modelling processes and outcomes with the highest professional standards.
• Accountability: taking ownership of assignments, whether internal and/or client‑related, being reliable and transparent at all time.
• Result orientation: being willing and able to go the extra mile to deliver outstanding client results in line with project/transaction success metric.
• Collaborative approach: team‑first attitude, work constructively with colleagues and client representatives in multi‑disciplinary tea.
• Proactiveness: seek personal and team improvement beyond what is required, propose and lead initiatives that enhance team performance and client value delivery.

About Willis Re

We combine specialist broking with analytics, modeling and research to help insurers optimize risk transfer, strengthen balance sheets and achieve sustainable growth. Our approach is relationship‑driven, transparent and outcome‑focused. At the heart of Willis Re is a focus on delivering the most cutting‑edge analytical solutions to enable more informed, better decision‑making for risk selection, portfolio optimization, and capital management. The launch of Willis Re brings a strategic advantage of being unhindered by legacy, an ability to leverage data, statistical models and advanced technologies with the best knowledge and expertise to deliver more efficient and effective reinsurance outcomes. This places Willis Re in a unique position to build a truly analytically driven business, focused on creating solutions for the reinsurance industry that are future led and forward thinking. Willis Re will also leverage recognized technical expertise from WTW’s Insurance Consulting & Technology business including their advanced modeling and analytical capabilities.

Alongside this will be WTW’s Research Network, an award‑winning business supporting and influencing science to improve the understanding and quantification of risk. Willis Re is committed to embracing a diverse, inclusive, and flexible work environment. We provide equal opportunity to all qualified individuals regardless of race, colour, religion, age, gender, gender expression, national origin, veteran status, disability, orientation, or any other legally protected categories.

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