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Head of FP&A

Infinitesima
CompanyInfinitesima
CategoryFinance
LocationAbingdon
RemoteOn-site (inferred)
EmploymentNot stated
LevelDirector
SalaryNot stated by the employer
Posted20 Jun 2026
Last verified6 Aug 2026
SourceEmployer ATS (greenhouse)
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Description
Would you like to be instrumental in enabling the next generation of semi-conductors?   Are you comfortable working in a fast paced, scale up environment? If so, we  can offer you a unique opportunity to step into a newly created Head of FP&A  role at Infinitesima, building a finance capability that directly shapes how we scale. You’ll be the CFO’s analytical partner, owning the models, the insights, and the story behind the numbers. You’ll work across the business, turning complex data into decisions that actually drive outcomes.   If this sounds like you, read on….   Reward and Benefits :   £80,000 to £90,000 depending on experience   25 days annual leave, death in service and private health care benefits, personal pension contributions of 4% with salary sacrifice and a generous EMI Share scheme   Based in Abingdon, Oxford, UK, we are a high calibre team of 100 plus people and we are growing fast. We are backed by global financial and industry investors including  Applied Ventures , the strategic venture arm of the industry leading equipment company.     About the role:   This is a hands-on, high-impact role where you are building and owning the financial planning and analysis function from the ground up. You are partnering closely with the CFO while working across engineering, manufacturing, supply chain, commercial, and HR teams.   You are not waiting for data, you are actively shaping it, challenging it, and turning it into clear, decision-ready insight.   No two days are the same, a typical month as Head of FP&A could look like this:   Owning and delivering monthly forecasts, clearly linking risks to cash runway and business outcomes   Building and maintaining driver-based financial models across headcount, revenue, supply chain, and capital projects   Owning revenue forecasting, creating a pipeline-backed view the board can rely on   Partnering with commercial teams on pricing and deal structure, making cash implications visible upfront   Working with engineering and manufacturing teams on project costs and capital planning   Promoting visibility in supply chain commitments and cash flow impacts   Partner with colleagues across the globe as the company continues its international expansion   Producing board-quality financial materials and supporting investor-facing outputs   Translating management accounts into forward-looking insight — what happened, why it matters, and what’s next   Implementing KPI-driven reporting that tells the story of the business, not just the numbers     Who we are looking for:   To succeed as a Head of FP&A, we do need you to have demonstrable experience of w orking in environments where processes are being built, not inherited. Candidates from a scale-up background would be ideal. We are also looking for:  Accountancy Qualified (ACA, ACCA or CIMA) with strong FP&A experience   Building and owning financial models in complex business environments   Partnering effectively with non-finance stakeholders, influencing engineers, scientists, and commercial teams   Operating with autonomy, making judgement calls and owning outputs   Communicating financial insights clearly and concisely   Nice to have:   Supporting a fundraise or building investor-facing financial models   Familiarity with manufacturing or supply chain finance   Experience in investor-backed businesses and understanding investor expectations   Commercial finance with