Portfolio Underwriter

Company: Atrium
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About Atrium

In a world of constant change, you need an insurer who has stood the test of time. Our reputation is built on consistency, expertise, and a client-first approach.

We manage Syndicate 609, one of the oldest syndicates at Lloyd’s, with a history going back to the 1930s. Our longevity reflects the strength of our underwriting discipline, the depth of our relationships, and our ability to adapt to the evolving needs of our clients and the wider insurance marketplace.

We’re all in it together at Atrium

We are committed to creating an environment where people learn, grow, and follow what they’re passionate about. Our culture encourages staff to feel confident in making decisions at any stage of their career and do work that makes them proud, knowing they’re playing a valuable role in shaping the success of the business.

Click here to find out more–> About Us

We have a fantastic opportunity for an experienced Portfolio Underwriter to take ownership of the performance and profitability of key commercial products and portfolios.

Role

  • Analyse and review portfolio performance to ensure optimisation, resilience and profitable outcomes through the cycle
  • Define, develop, and deliver the underwriting strategy for the cross-class portfolios, ensuring that the annual business plan is written profitably and within all agreed risk constraints/aggregate budgets, with a view to long term expansion of the portfolio and proposition.
  • Bring an understanding of the Lloyd’s and global market
  • Continually monitor risk appetite patterns to drive the team’s portfolio strategy, maintaining profitability targets
  • Hold strong senior market relationships to enable the development of a profitable portfolio and continue to build new global relationships to access distribution channels.
  • Clearly document and regularly update the underwriting strategy and maintain up-to-date appetite to reflect the market conditions
  • Focus on areas of the portfolio and review based on distribution partner and market feedback.
  • Work with the distribution partners on development and management of the underwriting strategy and portfolio management
  • Develop the revenue strategy with input from the exposure management team to optimise revenue generation and business mix.
  • Work with the actuarial function (especially capital) to ensure understanding and alignment of the portfolio strategy with the capital strategy
  • Work with the active underwriter on communications with and reports for capital providers

Required Knowledge and Skills

  • Previous experience across Underwriting in either the Lloyds or company market
  • Strong analytical and decision-making skills.
  • A strong commercial understanding of underwriting. Able to assimilate into strategic discussions around the structuring and management of portfolios.
  • Track record of success in the development and execution of commercially viable strategies, with high standards of delivery in a timely, cost-effective way.
  • Excellent negotiation, communication, and presentation skills to drive revenue and business development opportunities across our distribution network.
  • Strong organisational credentials to help drive a dynamic team to deliver the revenue strategy in a coherent manner.

Atrium offers all permanent employees the chance to work flexibly through our charter for flexible working – we actively invite applications from candidates requiring any form of flexible working arrangements.

Atrium is an Equal Opportunities employer with a strong and passionate commitment to Diversity, Equity, and Inclusion. Atrium actively invites applications from candidates requiring any form of flexible working arrangements.

We do not discriminate based upon age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, sexual orientation, or any other applicable legally protected characteristic.

We’re committed to providing reasonable adjustments or accommodations for applicants, so if you need assistance or support during the recruitment process, please get in touch.

Posted: March 13th, 2026