Senior Construction & Casualty Underwriter – Growth Leader

Company: Arthur J. Gallagher & Co. (AJG)
Apply for the Senior Construction & Casualty Underwriter – Growth Leader
Location: London
Job Description:

Pen Underwriting, part of Gallagher, seeks a Senior Development Underwriter/Manager to lead the Construction & Casualty book in the UK. You will develop and deliver the new business plan, build broker relationships, and manage facilities while ensuring underwriting discipline and alignment with insurer appetite.

You will underwrite complex risks, provide technical guidance, and mentor colleagues in a collaborative, supportive environment that values initiative and growth.

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Posted: September 30th, 2026