Cedar
Senior Finance Systems Accountant

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Senior Finance Systems Accountant - OneStream SME
Salary: £65,000 - £70,000 + Bonus & Benefits
Location: Central London / Hybrid & Remote Options
We are working with a PE-backed business looking to appoint a Senior Finance Systems Accountant to support the development, optimisation and governance of its Finance Systems environment.
This is a hands-on role suited to a qualified accountant with strong Finance Systems experience, particularly across OneStream.
Key Responsibilities
- Act as an OneStream SME, supporting system development, optimisation and governance.
- Own or contribute to OneStream implementation projects from a Finance perspective.
- Support consolidation, reporting, planning and wider Finance processes.
- Work across OneStream, NetSuite, Databricks, Navan and Power BI.
- Support data mapping, reconciliation, master data and reporting structures.
- Identify opportunities to automate and improve Finance processes.
- Work closely with Finance, Systems and wider business stakeholders.
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?
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Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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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.
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About You
- Qualified Accountant - ACA, ACCA, CIMA or equivalent.
- 5+ years' experience across Finance Systems / Finance Transformation.
- Strong OneStream experience, ideally having owned part of an implementation.
- Good understanding of financial reporting, debits & credits and BAU Finance processes.
- Strong communication and stakeholder management skills.
- NetSuite experience is advantageous.
- Exposure to Data Warehousing / MDM would be beneficial.


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This is an excellent opportunity for a qualified accountant looking to combine Finance, Systems, Data and Transformation within a growing PE-backed business.
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