Lead Tax ManagerContract Length: 6 months + potential extensions Location: Hybrid - can be based anywhere in the UK, with 40-60% attendance at a local office (York, Cambridge, Manchester, Carlisle)IR35: InsidePay Rate to Candidate: £600 / day umbrella A Tax Manager is required to join a public organisation on a contract role. The Lead Tax Manager will provide senior-level tax expertise and act as the lead specialist for IR35, taxable benefits, and corporation tax, while supporting VAT compliance as part of the wider Compliance and Financial Accounting Team. The role spans operational tax work, process improvement, advisory activity, and stakeholder engagement, including interactions with HMRC and the Government Tax Centre of Excellence.Key Responsibilities Lead IR35 compliance, setting and maintaining robust processes and guidance.Oversee data capture and review for PAYE Settlement Agreement (PSA) returns.Ensure full compliance and governance for all taxable benefits.Manage the corporation tax function for Natural England, including accurate and timely re-turns.Maintain tax policies, guidance notes, and training materials across the organisation.Act as senior tax adviser on complex, ambiguous or high risk tax queries.Work collaboratively with the wider tax team across VAT, benefits, IR35, and corp tax.Engage externally with HMRC and the Tax Centre of Excellence as required.Represent tax interests in finance system changes and upgrades.Build strong working relationships with