Reserving Actuary

Hamilton Company

Reserving Actuary in London contributing to actuarial function and GAAP reserving process for Hamilton Global Specialty. Collaborating with various stakeholders and enhancing actuarial models and methods.

Posted 5/2/2026full-timeLondon • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

SQLVBA

About the role

Key responsibilities & impact

Assist in managing the GAAP reserving process for each Hamilton entity for both Lloyd's and other regulatory reporting requirements; review method and assumptions
Assist in managing the Solvency II TPs calculation and validation process for each of the syndicate/entities: review method and assumptions; regulatory reporting for all entities with support from reserving analysts
Actively contribute to the development and application of Technical Actuarial models and methods and the process of continuous improvement within the department
Help manage relationships and communication flows with external auditors
Work with internal stakeholders including Underwriters, Finance, Claims and Outwards Reinsurance
Act in accordance with all applicable supervisory bodies, principles, rules and regulations
Provide support to the capital modelling team by focusing mainly on reserving risks and underwriting risks for parameterisation and validations
Work with the Pricing team on ad-hoc projects as and when they arise
Assist in Group reporting
Develop and communicate associated management information packs

Requirements

What you’ll need

Demonstrable experience in GI reserving; making good progress on actuarial exams or nearly/newly qualified actuary
Extensive experience in GAAP and Solvency II calculation and reporting, preferable with Lloyd’s market experience
Expert user of Microsoft Excel, VBA; Access and SQL
ResQ experience is a plus
Excellent verbal and written communication skills
The ability to be both strategic and pragmatic
A creative, proactive and innovative mindset that does not accept the status quo
Credible across the business with the proven ability to build strong relationships
Previous experience of mentoring and/or managing more junior staff is preferred but not essential

Benefits

Comp & perks

Vibrant, entrepreneurial and collaborative workplace
Inclusive, supportive, and empowering culture
Opportunities for professional development

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

GAAP reservingSolvency II calculationsTechnical Actuarial modelsparameterisationvalidationGI reservingactuarial examsreporting

Soft Skills

verbal communicationwritten communicationstrategic thinkingpragmatic approachcreativityproactivityinnovationrelationship buildingmentoringmanagement