Senior Tax Manager

About OrganoX OrganOx is an innovative, fast‑paced, global medical device company with a mission to save lives by making every donated organ count. It is a commercial‑stage organ technology company spun out of the University of Oxford in 2008, committed to improving transplantation outcomes worldwide. The company’s first product, the OrganOx metra® normothermic machine perfusion (NMP) system for liver transplantation, has been used to support more than 5,000 liver transplant operations globally. Position Summary We are seeking a motivated and detail‑oriented Senior Tax Manager to join our in‑house Finance team. The role offers the opportunity to lead on a diverse range of tax initiatives impacting a rapidly growing business. You will report to the VP Finance and deliver tax compliance and reporting obligations while optimizing financial performance through strategic tax planning. The Senior Tax Manager is responsible for all UK, US and Europe tax planning, compliance and reporting with support from external tax advisors and a Finance team member in the US who is responsible for US tax compliance. The role is a key member of the finance leadership team, working closely with the VP Finance and other senior leaders to guide the tax side of the business through growth. The Senior Tax Manager will build and continuously develop effective tax processes and controls that underpin the company’s growth in coming years. This is an excellent opportunity for a tax professional looking to develop their career in a dynamic, fast‑paced environment. OrganOx has a compelling five‑year business plan with profitable growth supported by a strong balance sheet and no debt. The position is on‑site with flexibility in Oxford. Major Responsibilities UK Corporation Tax Returns: completing the provisioning for the Group's financial statements, year‑end and interims. Indirect taxes: overseeing global compliance for VAT and Customs Duty to ensure accurate and timely submissions and optimized financial performance. Transfer Pricing: maintaining UK, US, Canada and Europe transfer pricing documentation and ensuring compliance with inter‑company agreements. Employment taxes: ensuring compliance, timely submission and providing advice on areas including EoR, ERS filing, P11Ds, PSA, STBV. R&D tax credits and patent box tax relief: maintaining appropriate supporting documentation to support and justify the claim. Providing support and advice across the organisation and within Finance as the Group expands into different geographies, ensuring tax‑efficient decisions are made. Maintaining tax and administrative policies and reviewing inter‑company transactions for continuous improvement. Designing and owning key tax controls to ensure a good control environment for OrganoX taxes, ensuring compliance with J‑SOX and SAO. Serving as key contact for liaison with HMRC, tax advisors, external auditors and financial advisors on tax matters to drive projects forward whilst ensuring good value and commerciality. Adhering to the letter and spirit of OrganoX's Code of Conduct and all other company policies. Skills & Experience Skilled tax professional with demonstrable experience in tax compliance, tax accounting or tax advisory roles with a proven record of managing complex tax issues. Relevant tax experience advising companies operating in multiple tax jurisdictions, either in-house or within a practice. Strong technical skills with excellent knowledge of UK tax accounting, tax compliance and good understanding of tax law. Experience with UK HQ Ltd company. Familiarity with transfer pricing principles. Strong analytical abilities and proficiency in Excel. Ability to multitask, work to deadlines and prioritize. Excellent communication skills and ability to work with multiple stakeholders and clients. Ability to take a logical and practical approach. Organised, methodical and with good attention to detail. A team player with a can‑do attitude but with discipline to work autonomously. SAP B1 (Desirable). Experience of external audit of tax matters (Desirable). Experience in growth companies (ideally but not necessarily life sciences) (Desirable). Exposure to US tax reporting (Desirable). Experience working for a publicly traded company (Desirable). Experience in internal controls and Sarbanes Oxley (Desirable). Ability to lead tax planning, research, structuring and compliance for both U.S. and international tax regulations (Desirable). Ability to travel on occasion (Desirable). Qualifications A bachelor's degree in accounting/taxation/finance or a related field. Qualified in a recognised accountancy or tax qualification (ACA / ACCA / CTA / AIT or equivalent) with notable achievements that demonstrate practical tax experience. Benefits At OrganoX, we value innovation, evidence, integrity, teamwork, respect and passion. We offer competitive compensation and comprehensive benefits, including healthcare and retirement plans. We support work‑life balance and provide opportunities for ongoing professional development. Equal Opportunity Statement We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, sexual orientation race, or any other characteristics protected by law. #J-18808-Ljbffr