Reserving Actuary

About MS Reinsurance

MS Reinsurance is a global reinsurer domiciled in Switzerland with underwriting offices in Zurich, Bermuda, Miami, and New York. The Company underwrites non-life treaty reinsurance solutions on a worldwide basis through its three business units: Americas, International, and Specialty Lines. As part of the world-leading insurance group MS&AD, MS Reinsurance combines reliability and agility to make its clients’ businesses stronger. With a drive to move quickly and a commitment to long term partnership, MS Reinsurance supports its partners with the momentum and stability they can build on.

About the role

Be part of a seven-person team where reserving insights influence underwriting strategy for a Swiss-regulated global reinsurer. You will lead deep-dive analyses, improve our processes, and communicate with senior stakeholders.

Your responsibilities

Reporting to the Head of Reserving, you will:

• Set up and run quarterly reserving analyses – from first assumptions through data preparation to reporting.
• Lead deep-dives on complex classes, refining methods and assumptions.
• Automate and streamline workflows in Python and enhance existing Excel tools.
• Present results to Underwriting and Finance teams, turning technical findings into business decisions.
• Challenge data and assumptions with a curious mindset to sharpen accuracy and insight.

Your profile

• 5 years’ experience in reserving, pricing, capital modelling or similar preferable.
• Degree in mathematics, statistics, physics or a closely-related field.
• Near-completed or fully completed actuarial qualification; we provide study leave and exam sponsorship.
• Solid understanding of (re)insurance industry.
• Hands-on Python skills (or strong willingness to deepen them) and advanced Excel skills.
• Professional English; German or another European language is a plus.

What we offer

We offer a modern workplace, an entrepreneurial culture with room for innovation and a hybrid work model. Collaboration, Empowerment and Responsibilities are key values we live on a day-to-day basis. You will be part of a hands-on culture where you really can make an impact. We place mutual trust at the forefront of our collaboration and path to growth.

Note that we will only consider applicants eligible to work in Switzerland.

In case of questions, please contact us via email: careers@msreinsurance.com

MS Reinsurance is the market-facing brand of the risk carrying legal entity MS Amlin AG, a global reinsurer domiciled in Switzerland and operating in Bermuda as MS Amlin AG, Bermuda Branch, in the United States through MS Amlin Reinsurance Managers, Inc, and in Labuan, Malaysia as MS Amlin AG, Labuan Branch.

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