Lucion
Interim Finance Systems & Process Improvement Lead

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Job Introduction
Interim Finance Systems & Process Improvement Lead
Financial Controller level or just below | 3–6 month contract | 5 days per week | Runcorn / hybrid
The role
We’re looking for a hands-on interim finance professional who can get under the bonnet of our finance function, work out what’s creaking, and build the fix.
This is a delivery role, not an advisory one. We want someone who can diagnose the gaps, roll up their sleeves and improve the underlying systems and processes themselves.
We run NetSuite, so strong practical knowledge of the platform is essential.
Your first 4–8 weeks
You’ll Have Two Big Priorities
- Treasury and cashflow modelling & reporting — including a likely rebuild of our existing cashflow forecasting model
- AR and AP process improvement — an end-to-end review covering collections, approvals, controls and the impact on month-end
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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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.
In short: find the friction, fix the process, make the numbers better.
The broader mission
Once the immediate priorities are under control, you’ll also:
- Identify and implement opportunities to automate manual and repetitive finance tasks, making full use of NetSuite functionality
- Support the development of financial and non-financial reporting, including KPIs and management reporting
- Document the improved processes so the permanent team can pick things up without needing a decoder ring
- Leave the finance function in a better, cleaner and more scalable place than you found it
What we’re looking for
You’ll be a qualified accountant (ACA/ACCA/CIMA) with FC-level or senior finance manager experience, plus:
- Strong NetSuite experience, including configuration and reporting — not simply end-user experience
- Advanced financial modelling skills, particularly cashflow and treasury forecasting
- A demonstrable track record of finance process improvement and automation
- Experience working in a business of similar size and complexity
- The ability to work independently, move quickly and get things done without needing extensive hand-holding
- A practical mindset: you’re as comfortable improving a process as you are explaining why it needs improving


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If you’re the sort of finance professional who sees a spreadsheet held together with seventeen tabs and thinks “right, let’s sort this out”, you’ll probably fit in well.
The essentials
- Contract: 3–6 months
- Location: Runcorn / hybrid
- Working pattern: 5 days per week
- Level: Financial Controller / Senior Finance Manager
- Rate: £450–£650 per day, outside IR3
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