Atrium
Underwriting Assistant - Casualty

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About Atrium
In a world of constant change, you need an insurer who has stood the test of time. Our reputation is built on consistency, expertise, and a client-first approach.
We manage Syndicate 609, one of the oldest syndicates at Lloyd’s, and Syndicate 2026 which launched at 1/1. With a proud history going back to the 1930s our longevity reflects the strength of our underwriting discipline, the depth of our relationships, and our ability to adapt to the evolving needs of our clients and the wider insurance marketplace.
We’re all in it together at Atrium
We are committed to creating an environment where people learn, grow, and follow what they’re passionate about. Our culture encourages staff to feel confident in making decisions at any stage of their career and do work that makes them proud, knowing they’re playing a valuable role in shaping the success of the business.
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Role
This is a great entry-level role, ideally for a school leaver, who is looking to start their career in the Lloyd's market. You will provide underwriting support and assistance to the underwriters and to create and maintain syndicate records.
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.
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
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.
See breakdownIt searches the market for you
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.
Description
Underwriter Support
- Assisting underwriters with their underwriting at the box in Lloyd’s, in the office or on Teams
- Pre-underwriting risk data analysis
- Creation and monitoring of the underwriting reports
- Mapping of data and assisting with model development
- Assisting with all online trading platforms
- Income and performance monitoring on large accounts
- Liaising with brokers and clients as necessary on live risks and quotes
Underwriting Records
- Managing risk records
- Entry of risk data into underwriting system
- Managing underwriter workflows
- Responsibility for pre and post bind contract quality assurance
- Entry of aggregate data onto the appropriate systems
- Management of filing and data storage
- Managing credit control
- Creation and monitoring of renewal list report
- Slip copying and scanning
- Ad hoc jobs as required
Required knowledge and skills
- A proven interest in a career in insurance and underwriting.
- An understanding of Lloyd’s and the insurance market, industry and people.
- Excellent attention to detail and the ability to work independently
- An interest in undertaking the CII exams
- IT skills (Word, Excel and other software packages used within the business)


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Atrium
Atrium offers all permanent employees the chance to work flexibly through our charter for flexible working - we actively invite applications from candidates requiring any form of flexible working arrangements.
Atrium is an Equal Opportunities employer with a strong and passionate commitment to Diversity, Equity, and Inclusion. Atrium actively invites applications from candidates requiring any form of flexible working arrangements.
We do not discriminate based upon age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, sexual orientation, or any other applicable legally protected characteristic.
We’re committed to providing reasonable adjustments or accommodations for applicants, so if you need assistance or support during the recruitment process, please get in touch.
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