Senior Underwriter - US Casualty; US Desk

We are looking for a Senior Underwriter to underwrite US Casualty business, based in London.

At Allianz Commercial we combine specialist expertise and global reach with high levels of AA‑rated underwriting capacity to industry‑specific exposures. This allows us to establish a reputation as leaders of some of the largest and most complex liability risks in the market.

Reporting directly to the Head of US Casualty, Regional Unit London, you will underwrite profitable US‑domiciled casualty business, develop strong broker and client relationships, and undertake business travel where necessary.

• Underwrite large new and renewal accounts to meet top and bottom line targets.
• Negotiate participation, pricing and terms and conditions with brokers; proactively manage capacity.
• Provide expert underwriting perspective in the development of new insurance products, responding to client need or emerging risks in the marketplace.
• Underwrite in line with the US Casualty governance framework – e.g. Underwriting Authorities, global MSU, Underwriting Guidelines, Rules and Principles.
• Proactively support acquisition of new business and retention of existing business.
• Positively represent Allianz Commercial externally to the market and encourage more junior team members to raise their own profile and that of the team.

• About 7‑10 years’ proven experience in the US Casualty large corporate marketplace, either in underwriting or broking.
• Strong understanding of risk assessment, insurance programme structure design, and contract wording.
• Ideally CII/CPCU qualified or working towards it.
• Recognised relationships with clients and brokers at peer‑group level and well‑established within your reference market.
• Excellent communication and influencing skills.
• Specialised understanding of regional/national US Casualty insurance markets and the competitor landscape.
• Ability to negotiate effectively, achieving the best outcome for the portfolio while maintaining positive business relationships with clients and brokers.
• Ability to leverage data and analytics to make business more efficient and effective.
• Good understanding of the legal and regulatory framework.
• Ability to design, develop and implement consistent, robust wording for contracts.
• Ability to integrate AI‑driven insights into your work to optimise outcomes and support broader organisational goals.
• Ability to work in a global matrix organisation.
• Fluent English skills; proficiency in additional languages would be advantageous.

We are committed to nurturing an inclusive environment where everyone feels they belong. We offer a hybrid working model and flexible arrangements. Compensation includes a generous bonus scheme and pension.

From career development and digital learning to international mobility, we provide lifelong learning and an innovation‑favouring culture.

We support flexible working, health and wellbeing—including private healthcare, generous parental leave and support for returning after career breaks.

Opportunities to engage in shaping a sustainable future for our people, industry and clients.

Allianz Commercial is the centre of expertise of Allianz Group, insuring mid‑sized businesses, large enterprises and special risks. Our clients include top consumer brands, financial institutions, the global aviation and shipping industries and family‑owned and medium enterprises. We cover unique risks such as offshore wind farms, infrastructure projects and film productions.

We welcome applications from all backgrounds and are committed to equal opportunity. Inclusive workplace, culture grounded in integrity, fairness, inclusion and trust.

If you need any adjustments during the application process, please email

Allianz Commercial has an in‑house recruitment team and does not accept unsolicited resumes from agencies. Fees will not be paid for candidates submitted without an agreement.