Leeds Building Society
Model Validation Specialist

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How You'll Help Us Live Our Purpose
We've been helping our members save for their future and buy a home of their own since 1875. By joining us, you'll play a big role in helping us to put home ownership within reach of more people, generation after generation.
It's a purpose that drives everything we do and one we're proud of. And you can play your part too – join our dedicated Risk division on a 12 month fixed term contract as a Model Validation Specialist and play an important part in that purpose by providing independent, expert challenge across the models that help us understand credit risk, make sound decisions and meet regulatory expectations.
How You'll Make a Difference
You will perform independent model validation reviews and oversight of the Society's residential mortgage IRB and other credit-related models to ensure they are conceptually sound, appropriately implemented, and are compliant with internal policies and external regulations. In addition, the role will support with the independent validation of other financial models performed within the team, as required.
What will you bring to the role?
- Knowledge and experience of using Python, SAS and other programming languages e.g. SQL.
- Be highly numerate with proven experience of credit risk / IRB model development or validation within a financial institution.
- A good understanding of residential mortgage portfolios, risk drivers, and lifecycle credit risk behaviour.
- Experience of model performance metrics, validation techniques and ideally knowledge of model risk management regulatory requirements is preferred.
- Excellent analytical skills and a strong attention to detail.
- Excellent written and verbal communication skills with the ability to clearly convey complex issues to non-technical stakeholders.
- High levels of independence, integrity and professional judgement.
- Be a self-motivator with good planning and organisational skills.
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.
And in return, you'll get the best from us:
- An annual colleague bonus of up to 12%
- Hybrid working with 60% of your time at home
- Matched pension contributions of up to 10%
- 26 days holiday, plus bank holidays and holiday purchase scheme of up to 5 days each year
- Colleague Mortgage and Saver products
- Electric vehicle scheme/ Cycle to Work scheme
- 2 days' volunteering per year
We'll give you a place to belong with the support to learn, develop and shape a meaningful career.
Why choose Leeds Building Society?
Our business is centred around our people. Our colleagues are at the heart of everything we do and we're extremely proud of our Inclusive Employers Gold accreditation in 2023. We're committed to equal opportunities regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability or gender identity.


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You'll be joining a truly purpose-focused culture which helped us win the Leading with Purpose award at the 2023 Business Culture Awards. This recognises the progress we're making to embed our purpose with our colleagues, and the actions we've taken to put home ownership within reach of more people, generation after generation.
Why wait? Apply now
We'd love to hear from you. But don't wait around - we may close the advert early and we'd hate for you to miss out.
Leeds Building Society is devoted to creating a culture and workplace that is representative of the communities we serve. If you'd like to work with us but are unsure if you meet the full criteria for a role, please contact the recruiter as we'd like to find out more about the skills and experience that you could bring to the Society. We're committed to supporting you to be at your best and if you'd like to discuss any reasonable adjustments, please reach out to us on careers@leedsbuildingsociety.co.uk.
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