Finance Systems Administrator (Yooz & SAP) - 12 month fixed term contract

Octopus Energy Group

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London (GB) hybrid Until 9/23/2026 First posted July 25, 2026 Last posted July 25, 2026
Job description

At Octopus Energy Generation (OEGEN), we're passionate about powering a sustainable future. As pioneers in the renewable energy space, we don’t just invest in utility-scale projects; we invest in people, communities, and a greener tomorrow.

Since stepping into the renewables arena in 2010, we've made waves - becoming a top investor in onshore wind across mainland Europe and the largest backer of solar power in Europe. Today, we proudly manage over £8bn in renewable energy assets worldwide.

We are looking for an experienced Finance Systems Administrator with strong, practical knowledge of both Yooz, or a comparable purchase-to-pay system, and SAP.

You will join a dynamic transformation function supporting a global portfolio of renewable energy assets. You will work closely with Finance, Fund Operations and Asset Management teams, as well as external asset managers and third-party system providers, to maintain reliable systems and effective financial controls.

You will take day-to-day ownership of Yooz administration and support the associated purchase-to-pay processes across a complex portfolio of energy assets. This is a hands-on role requiring someone who can quickly understand existing configurations, investigate issues independently and maintain strong financial controls.

You will work with supplier master data, bank-detail changes, invoice and payment workflows, user access and approval structures. You will need to exercise sound judgement, understand requests accurately and recognise when an issue can be resolved independently and when it should be stopped or escalated.

Whilst we maintain a degree of flexibility, this position requires an average of three days per week in the office. This is an initial 12-month fixed-term contract. 

What you'll do

    Yooz administration and purchase-to-pay support
  • Act as the primary day-to-day administrator for Yooz, managing system configuration, operational queries and issue resolution.
  • Manage supplier onboarding and amendments, including bank-detail changes, in line with established verification and approval processes.
  • Maintain invoice, purchase order, payment and approval workflows, including user roles, permissions, approval limits and access rights.
  • Investigate and resolve invoice-routing, data and processing issues across Yooz, SAP and connected systems. This can include collaboration with internal and external stakeholders.
  • Perform reconciliations between systems and support safe correction or reprocessing where transactions have failed or been recorded incorrectly, while managing duplicate-posting and payment risks.
  • Apply appropriate controls to supplier data, payments and user access, maintaining segregation of duties and clear audit trails.
  • Ensure manual overrides and administrator functions are used only where appropriate and fully documented.
  • Support system enhancements, integrations, testing and migration activity across Yooz, SAP and related finance platforms.
  • Maintain system documentation, access records and process guidance, while identifying opportunities to simplify workflows and reduce manual intervention.

What you'll need

    Essential 
  • Demonstrable hands-on experience administering Yooz, or a comparable purchase-to-pay system in a live finance environment.
  • Practical experience using and supporting SAP, ideally within accounts payable, supplier management or purchase-to-pay processes.
  • Experience managing supplier records, bank-detail changes, invoice workflows, approval chains and user access.
  • Strong understanding of purchase-to-pay controls, segregation of duties and the risks associated with supplier and payment data
  • The ability to investigate and resolve finance-system issues, interpret available evidence and progress appropriate solutions independently.
  • Strong attention to detail and the ability to manage competing operational priorities without weakening controls
  • Clear written and verbal communication skills, including the ability to understand requests accurately and explain system issues in plain English.
  • Experience supporting system change, enhancement, testing or migration activity.
    • Desirable 
  • Experience integrating or reconciling data between Yooz and SAP.
  • Experience in renewable energy, infrastructure, investment management or another asset-backed environment
  • Familiarity with SAP finance modules and accounts-payable processes.
  • Experience working with external asset managers, outsourced finance providers or third-party system vendors.
  • Experience documenting finance-system processes, controls and operating procedures.
💚 Why else you'll love it here 💚

• 💰 Wondering what the salary for this role is? Just ask us! On a call with one of our recruiters it's something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don't advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn't apply to Octopus - what's more important to us is finding the right octofit!
• 🎉 Octopus Energy Group is a unique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! We were recently named the UK's top company to work for, and we ranked in the top ten in the Sunday Times Best Places to Work 2024. Our Group CEO, Greg has recorded a podcast about our culture and how we empower our people. We’ve also been placed in the top 10 companies for senior leadership
• 🎁 Visit our UK perks hub - Octopus Employee Benefits

If this sounds like you then we'd love to hear from you. 🚀

P.S. Our process usually takes up to 4 weeks, but we’ll always do our best to flex around what works for you. Along the way, you’ll chat with our recruitment team and your Recruiter will help you throughout different stages. Got any burning questions before then? Drop us a message at [email protected] and we’d love to help!

Are you ready for a career with us? We want to ensure you have all the tools and environment you need to unleash your potential. Need any specific accommodations? Whether you require specific accommodations or have a unique preference, let us know, and we'll do what we can to customise your interview process for comfort and maximum magic!

Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Octopus, we're looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.
About this role

Summary

Administer Yooz and support SAP in finance processes for renewable assets.

Job title

Finance Systems Administrator (Yooz & SAP)

Experience level

practical experience

Industry

renewable energy

Location requirements

London, UK, with flexible hybrid work allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

YoozSAPsupplier managementinvoice workflowssystem issues

Preferred skills

data reconciliationrenewable energySAP finance modulesthird-party system integration

Specializations

purchase-to-paySAPsystem administrationfinance controlssupplier management
Locations

Structured locations inferred from the posting.

London, UK

Hybrid City