Mid-Market Senior Underwriter

Aviva; City Of London; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leading insurance firm in London is seeking an experienced underwriter to join their Global Broker Team. This role involves mentoring colleagues, delivering exceptional service, and driving business growth in a vibrant market. The ideal candidate will have strong underwriting expertise in Property & Casualty and proven ability to build broker relationships. The position offers competitive salary, bonus opportunities, generous holiday, and numerous employee benefits.

Benefits

Competitive Salary

Bonus opportunity –10%

Generous pension scheme

29 days holiday plus bank holidays

Aviva-funded Private Medical Benefit

Up to 40% discount on Aviva products

Up to £1,200 of free Aviva shares per year

Supportive policies including parental leave

Flexible benefits

3 paid volunteering days

Wellbeing support and tools

Qualifications

• Experience in real estate, specialty lines, or motor is a plus.

Responsibilities

• Deliver exceptional service and drive business growth.
• Mentor colleagues and improve underwriting capability.
• Contribute to underwriting profit and loss.

Skills

Strong underwriting expertise in Property & Casualty

Proven ability to win and retain business

Experience applying underwriting knowledge to improve processes

Ability to manage own caseload

Diploma in CII or willingness to study towards CII qualifications

Job description

Are you someone who thrives on building strong broker relationships and driving profitable growth in Property & Casualty?

This role is perfect for an experienced underwriter who enjoys trading in a dynamic market, mentoring others, and shaping tailored solutions for customers. If you have leadership skills and a proven track record in winning new business, this could be your next step.

A bit about the job:

You’ll join our Global Broker Team in London, one of Aviva’s key trading hubs, working closely with global brokers in a vibrant and fast‑paced market. Your focus will be on delivering exceptional service, driving new and existing business, and contributing to underwriting profit and loss. Alongside trading responsibilities, you’ll mentor colleagues and help improve underwriting capability across the team. This is a fantastic opportunity to influence strategy and make a real impact.

Skills and experience we’re looking for:

• Strong underwriting expertise in Property & Casualty, with experience in real estate, specialty lines, or motor as a plus
• Proven ability to win and retain business through effective negotiation and relationship management
• Experience applying underwriting knowledge to improve processes and deliver quality outcomes
• Ability to manage your own caseload within a regulatory environment
• Diploma in CII or willingness to study towards CII qualifications

What you’ll get for this role:

Our purpose – with you today, for a better tomorrow – is a promise we make to our colleagues too. And one of the ways we live up to that promise is by investing in you. We have so much to offer when it comes to being an Aviva colleague:

• Competitive Salary (depending on location, skills, experience, and qualifications)
• Bonus opportunity –10% of annual salary
• Generous pension scheme – Aviva will contribute up to 14%, depending on what you put in
• 29 days holiday plus bank holidays, with the option to buy or sell up to 5 days
• Aviva-funded Private Medical Benefit
• Up to 40% discount on Aviva products, and other retailer discounts
• Up to £1,200 of free Aviva shares per year through our Matching Share Plan and Save As You Earn scheme
• Brilliantly supportive policies including parental and carer’s leave
• Flexible benefits to suit you, including sustainability options such as cycle to work
• Make a difference, be part of our Aviva Communities and use your 3 paid volunteering days to help others
• We take your wellbeing seriously with lots of support and tools
• Take a look to learn more.

Aviva is for everyone:

We’re inclusive and welcome everyone – we want applications from all backgrounds and experiences. Excited but not sure you tick every box? Even if you don’t, we would still encourage you to apply. We also consider all forms of flexible working, including part time and job shares.

We flex locations, hours and working patterns to suit our customers, business, and you. Most of our people are smart working – spending at least 50% of their time in our offices every week – combining the benefits of flexibility with time together with colleagues.

We’d love it if you could submit your application online. If you require an alternative method of applying, or if you have any queries in relation to the vacancy, please email [e-mail].