iO Associates
Modelling Engineer

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Modelling Engineer - Defence Logistics
Contract | £550-£600 per day | Outside IR35 | Predominantly Remote
We are supporting a leading consultancy on a significant project within the defence logistics sector and are looking for experienced Digital Modellers to join the team.
This is an opportunity to work on a sensitive, technically complex programme focused on data science, operational analysis and quantitative modelling, with a particular emphasis on logistics and cost modelling.
The Role
We are looking for 1-3 experienced Digital Modellers who can work with a high degree of autonomy and contribute quickly to the development of analytical and modelling solutions.
You will be involved in areas such as:
- Developing logistics and logistical flow models
- Building cost models
- Developing stock and flow models
- Creating event-based / discrete-event logistical models
- Applying quantitative analysis and data science to complex logistics problems
- Translating real-world operational challenges into robust computational models
- Working with stakeholders to understand requirements and communicate modelling outputs
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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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.
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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.
Essential Experience
- Current SC Clearance - essential
- Proven experience in programming and quantitative modelling
- Strong background in data science, operational analysis or a closely related discipline
- Experience developing one or more of:
- Logistics models
- Cost models
- Stock and flow models
- Logistical flow / event-based models
- Ability to work independently and make an immediate contribution
- Strong analytical and problem-solving skills
Python experience is currently used within the project, but the programming language is not prescriptive. Candidates with strong modelling experience in other languages are encouraged to apply.


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Contract & Location
- Initial contract: From next week through to December
- Location: Predominantly remote
- Some travel to customer sites may be required
- Potential customer locations include Reading, Preston and Warton
- Flexibility on location is available for the right candidate
If you are an experienced Digital Modeller with a background in logistics, operational analysis, data science or quantitative modelling, and are looking for an opportunity to work on a complex defence-related programme, we would be keen to hear from you.
Interested in hearing more? Please get in touch with Rebecca Long on 0117 332 8100 / r.long@ioassociates.co.uk
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
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