Actuarial Reserving Manager at Simply Business (14 to 15-month fixed-term contract)

Overview

We are seeking a talented Actuarial Reserving Manager to join our dynamic team on a 14 to 15-month fixed-term contract. This is a high-autonomy, high-impact role where you’ll own the end-to-end reserving process and directly influence our financial strength and strategic agility. You will work closely with senior leadership to provide actionable actuarial insight and ensure robust, auditable processes.

Responsibilities

• Own and manage the full end-to-end reserving process, conducting monthly and quarterly reviews, and assess reserve adequacy
• Lead the annual profit share process, including accurate calculations and liaison with insurance capacity providers
• Collaborate with the Finance team to ensure accurate and timely actuarial inputs for financial reporting, while maintaining auditable processes
• Work with the Risk Pricing team to ensure consistency and identify growth opportunities that protect performance
• Conduct deep-dive claims analysis to identify trends and inform wider business strategy
• Ensure the reserving function is always “audit ready”, with clear documentation and compliance

Qualifications

• A qualified actuary (FIA or equivalent) with post-qualification experience in non-life (GI) insurance or reinsurance
• Highly experienced in actuarial reserving and profit share arrangements, with a strong technical and commercial grounding
• Skilled in R, Python, or SAS and comfortable building and validating actuarial models
• Proficient in SQL, with the ability to work directly with complex data to drive meaningful insights
• A strong communicator who can present actuarial findings clearly to non-technical stakeholders, including senior leadership
• Detail-oriented, highly organised, and focused on ensuring compliance and process integrity

Reminders

(We know it’s tough, but you don’t have to match all the bullet points above to be considered for this role.) We encourage people of all different backgrounds and identities to apply. We are committed to maintaining an inclusive, supportive place for you to be you and do your best work.

About Simply Business

We insure small businesses and enable big dreams – not just for our customers, but for our people and communities too. With over 1,000,000 active insurance policies, we protect builders, bakers, landlords and more than 1,200 other trades. We’re a technology company as well as one that sells insurance, and we’re a B Corp with a track record of positive impact.

Benefits

We offer a great work-life balance with hybrid working, 25 days annual leave (plus bank holidays) with options to buy extra days. We provide flexible parental leave, life event leave, a sabbatical after five and ten years, private medical insurance through BUPA, a health cash plan, competitive salary, potential annual bonus, and a range of flexible benefits including pension match up to five percent, life assurance options, a salary sacrifice car scheme, and more. We also provide learning and mental health support, plus access to a dedicated learning platform.

Ready to join us and drive success as a high-performing team? Apply today.

Location

Reigate, England, United Kingdom; London, England, United Kingdom