Finance Transformation Manager

Octopus Energy

London (GB), United Kingdom

Full Time

Posted September 7, 2026

£27k - £29k· Est.

Energy Management

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Job Description

We are a market-leading, mission-driven organisation focused on accelerating the transition to a net-zero economy through innovative financing solutions.

Key Responsibilities

Own the finance requirements for the development of our leasing and billing platform, ensuring it supports securitisation reporting, accounting treatment and day-to-day operational finance
Translate complex finance processes into clear, testable requirements that engineering and product teams can build from
Design and build new finance processes end to end and hand them over so they run reliably without you
Identify and remove manual BAU work across Financial Operations, Financial Control, FP&A, Credit and Capital Markets
Lead the practical deployment of AI (we use Claude Enterprise) to automate repetitive finance tasks, applying rigorous cost/benefit judgement
Work collaboratively across Finance, Data, Product and Operations on problems that don’t sit neatly within one team’s remit
Help drive AI and data literacy across the Finance team

Requirements

4+ years experience in consulting, finance transformation, finance systems, or finance-technology advisory, with accountability for delivery rather than contribution
Experience shaping requirements for, implementing or advising on finance systems that connect billing, accounting, reporting and operational finance — you understand how data moves from a contract through to a report or regulatory return
A consulting or internal-consulting background, with clear evidence of getting up to speed on unfamiliar finance processes quickly and driving structured problem solving independently
The ability to translate finance needs into requirements technology and product teams can build from
In-house operating experience after consulting, ideally in a fast-moving scale-up or comparably autonomous environment
Exposure to financial services, energy, leasing, billing, securitisation or other complex finance and operational systems
Finance process improvement, workflow automation, data analytics, SQL or low-code automation experience — enough to have a real conversation with engineers and data people
Practical AI literacy — you’ve used AI tools to improve real processes, not just trialled them
A track record of building processes and operating models, not only producing recommendations