ONYX Insight
Accounts Payable Specialist

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The Role
We are looking for an organised and detail-oriented Accounts Payable Specialist to join our Finance team on an interim basis. This role will be responsible for ensuring the accurate and timely processing of supplier invoices, employee expenses, and payment runs, while supporting the wider finance function with reconciliations and process improvements.
This is an excellent opportunity for someone who enjoys working in a fast-paced environment and can quickly add value by maintaining strong financial controls and building effective relationships with internal stakeholders and suppliers.
Key responsibilities
- Process high volumes of supplier invoices accurately and efficiently.
- Manage the end-to-end accounts payable process, ensuring invoices are approved and paid in line with agreed terms.
- Prepare and support weekly and monthly payment runs.
- Reconcile supplier statements and investigate discrepancies.
- Resolve supplier queries in a timely and professional manner.
- Process employee expenses and company credit card transactions.
- Maintain accurate vendor records within the finance system.
- Support month-end close activities, including accruals and balance sheet reconciliations.
- Assist with audit requests and financial compliance requirements.
- Monitor aged creditors and provide reporting to the Finance leadership team.
- Identify and implement process improvements to enhance efficiency and accuracy.
- Support the wider Finance team with ad hoc tasks and projects as required.
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.
Ideally, you’ll have/be
- Previous experience in an Accounts Payable, Purchase Ledger, or Finance Assistant role.
- Strong understanding of accounts payable processes and controls.
- Experience working with ERP systems, ideally Microsoft Dynamics 365 or similar.
- Good Excel skills and confidence working with financial data.
- Excellent attention to detail and accuracy.
- Strong organisational skills with the ability to manage multiple priorities.
- Good communication and stakeholder management skills.
- A proactive and collaborative approach to problem solving.
- Experience in a fast-paced SME or international business environment is desirable.
About ONYX
ONYX Insight is a growing technology and engineering organisation in the renewable energy sector. Our vision is to build a more efficient future by becoming the world’s most innovative provider of predictive technology solutions. Our advanced sensing, software, and analytics combined with our engineering experience are deployed on wind turbines around the world to maximise production and make turbines more reliable for longer, optimising energy production.


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ONYX Insight is part of the Macquarie Group. Macquarie is a global financial services group operating in 34 markets in asset management, leasing and asset financing, market access, commodity trading, renewables development, specialist advisory services, capital raising, and principal investment. The diversity of the Macquarie Group operations combined with a strong capital position and robust risk management framework has contributed to a 54-year record of unbroken profitability.
For any further information, or to understand our products and services better, please feel free to look through our website: https://onyxinsight.com/
ONYX Insight are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
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