Assistant Underwriter - Portfolio Solutions
AEGIS London·London·United Kingdom·Insurance & Actuarial
AEGIS London is hiring a Assistant Underwriter - Portfolio Solutions in London. Posted 2026-09-15; applications close 2026-11-14 (in 55 days).
Role details
Time Type: Full time
Working Pattern: Onsite
Purpose of the Role
AEGIS London has an opportunity within the Portfolio Solutions team for an Assistant Underwriter to help service, build and diversify the portfolio alongside the existing team.
The role involves underwriting delegated authority and treaty business, while acting as a key liaison for administrative activities including EPI management, bordereaux queries and related operational processes. This is an opportunity to contribute broadly across underwriting and portfolio management within a small, collaborative team, with increasing responsibility and underwriting authority as experience develops.
Duties and Accountabilities
- Underwrite business on behalf of the Syndicate in accordance with personal underwriting authority, underwriting procedures and class underwriting guidelines, achieving the business mix, premium income and loss ratio targets set out in the business plan.
- Review and process submissions, renewals, endorsements and new business opportunities accurately and promptly.
- Monitor the performance of delegated authority and reinsurance arrangements, including binding authorities, lineslips, consortia and quota share treaties.
- Act as a key liaison with internal teams, including Exposure Management, Credit Control, Actuarial, Wordings, Compliance, Delegated Authority, Operations, Claims, Data Science and Risk Management.
- Support premium and exposure monitoring, bordereaux and delegated data queries, credit control and related operational processes.
- Support portfolio monitoring, management information, business planning, presentations and ad hoc analysis.
- Provide a high standard of service to brokers and clients. The role is client-facing and may involve travel where appropriate in the normal course of business.
- Complete other ad hoc duties as directed.
- Work collaboratively within AEGIS London and maintain effective relationships with stakeholders and colleagues.
Skills, Knowledge and Experience
The successful candidate will have:
- Experience within the Lloyd’s and/or London Market.
- Experience of delegated authority business, including binding authorities, lineslips or consortium arrangements, would be advantageous.
- Exposure to reinsurance, delegated authority or portfolio-based underwriting products would be beneficial.
- Knowledge of underwriting support functions, including Exposure Management, Credit Control, Delegated Authority, bordereaux management and underwriting operations, would be advantageous.
- Strong organisation, administration and planning skills, with excellent attention to detail.
- Good communication skills and the ability to present effectively to internal and external audiences.
- Demonstrable analytical skills, including the ability to interpret underwriting, exposure and financial performance data.
- Commercial awareness and an interest in delegated authority and reinsurance markets.
- A proactive approach and the ability to manage multiple priorities in a fast-paced environment.
- Strong relationship-building skills and a desire to develop market-facing responsibilities.
- ACII qualification, or progress towards it, would be advantageous.
- Good IT skills, including proficiency with Microsoft Office applications, particularly Excel, and the ability to learn new systems.
- The ability to work effectively as part of a team and build relationships with internal and external stakeholders.
AEGIS Values
Fairness and Respect
We make decisions considering the best interests of key stakeholders. We are direct and straightforward in our actions, working collaboratively to create a culture of fairness and respect.
Open and Inclusive
We act with integrity, valuing diversity of thought and background. We take time to listen to the needs of our customers, stakeholders and colleagues, working together to seek and share information.
Ambitious
We have a passion for success, aspiring to be recognised as best in class. We embrace new opportunities and encourage innovation in pursuit of our goals.
Striving to Be Better
We strive to improve at all times, challenging complacency, being agile and adapting to change. We always seek to improve our customers’ experience with us.
Investing in People’s Potential
We provide an environment where each employee can reach their personal potential. We encourage personal accountability for performance and individual ownership of growth and success.
Diversity, Inclusion and Accessibility
AEGIS London is an equal opportunities employer and recognises the value of a diverse workforce in facilitating better decision-making and business growth. We encourage a variety of views, perspectives and insights to create a collaborative working environment. Diversity and inclusion are fundamental to our business, and we welcome applications from all backgrounds, recognising the diversity of society and our customers.
We want every applicant to perform at their best during the recruitment process. If there are any reasonable adjustments we can make to ensure the process is accessible, please contact us on +44 (0)20 7856 7856 or email recruitment@aegislondon.co.uk.
We understand that individual circumstances may differ and aim to be adaptable in supporting flexible working practices. Please speak to our recruitment team to understand how AEGIS London can support you in reaching your full potential.
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Applying to this role
This Assistant Underwriter - Portfolio Solutions role at AEGIS London runs through the firm's own careers portal and expects a CV and cover letter written specifically for the posting, not a portable submission carried across firms. Jorb AI's application agent tailors a CV and cover letter from your background to this posting and tracks the role alongside the rest of your applications.
Jorb AI tracks details for Assistant Underwriter - Portfolio Solutions at AEGIS London. Postings refresh hourly from primary careers pages. Job details mirror the firm's posting; the apply link goes directly to the source. Last refreshed 2026-09-19.
