Mosaic Insurance
Professional Liability Underwriter

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Company Summary Mosaic is a global specialty insurance agency with exceptional expertise, a focus on complex products, and a distinctive operating model. Our innovative structure allows deployment of different forms of capital in full alignment for the benefit of clients and partners. We currently underwrite for close to 30 carriers alongside our Lloyd’s Syndicate 1609—offering lead-line + syndicated capacity, custom service, and full claims-settlement authority across seven product lines in seven countries. We harness the heritage of Lloyd’s and benefit from the market’s global licenses and financial-strength ratings.
Job Spec Mosaic is looking for an experienced underwriter to join our Professional Liability team in London. This is a rare opportunity to take a meaningful role in a market-leading team and further develop your career.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
There are two roles available:
- AVP: four or more years’ experience in a combination of relevant roles, to include professional liability
- VP: eight or more years’ experience in a combination of relevant roles, to include professional liability
Responsibilities
- Execute the underwriting strategy across our diverse professional liability portfolio
- Analyse risk, set pricing and conduct policy reviews
- Negotiate with brokers on new and renewal business
- Develop business globally across both US and international markets
- Identify new distribution channels, products and relationships
- Underwrite in line with the business plan and underwriting guidelines
- Travel to engage with intermediaries and clients
Skills, Experience and Education
- Experience in writing and leading primary businesses
- Ability to develop business
- Ability to be proactive, work independently and make decisions
- In-depth knowledge of marketplace
- Strong interpersonal skills and ability to work collaboratively with others
- Strong written and oral communication skills
- Highly focused, enthusiastic, and creative thinker
- Ability to work in a fast-paced environment
- Ability to negotiate with sophisticated advisors and clients
- Competency in drafting


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Mosaic offers you
- True entrepreneurial culture
- Very competitive total rewards compensation package, reflecting growth of the business
- Opportunity to build and grow with this class of business
Mosaic celebrates diversity, equality and inclusion. We embrace these pillars of excellence as crucial to our business success. We are an Equal Opportunity Employer.
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