Sr. Tax Analyst / CT Manager – Cambridge
Onsite 1 day per week (minimum)
The role
As Sr. Tax Analyst / CT Manager here at Illumina in Cambridge, you will play a pivotal role in our EMEA tax operations, reporting directly to the Associate Director - Tax.
You’ll collaborate closely with our General Ledger team, local tax advisers, and global tax colleagues to ensure accurate reporting, strategic tax planning, and compliance with evolving regulations. This is a high-impact role supporting Illumina’s continued growth and innovation across the region.
Illumina's employee benefits are industry-leading and include flexible time off, private medical insurance, compassion and care time off, leisure travel insurance, pension, employee stock purchasing program, volunteer time off, and much more!
Why you
You bring direct tax experience in a high-growth environment, ideally with exposure to multinational operations. You are a qualified Chartered Accountant or Chartered Tax Adviser (or working towards it), with a strong grasp of current Corporation Tax laws and anti-tax avoidance legislation such as ATAD and DAC6. Your analytical skills and accuracy are exceptional, particularly in working with large datasets and spreadsheets, and you’re proficient in SAP or similar ERP systems. You thrive in cross-functional collaboration, have excellent communication skills, and are comfortable navigating complex tax scenarios across jurisdictions. Experience with transfer pricing, R&D tax credits, and global structuring projects will be highly valued.
Key Responsibilities Include:
Corporate Tax Compliance
Prepare and complete Corporation Tax returns , both in-house and via outsourced providers
Compile UK-specific calculations including RDEC, patent box, and share-based payments
Manage CT prepayments to optimize cashflow and leverage discounts
Tax Accounting & Advisory
Collaborate with the General Ledger team on local GAAP tax accounting and US GAAP conversions
Partner with local advisers to ensure correct tax treatment of global activities (e.g., FX, employee allowances, R&D)
Strategic Tax Planning
Evaluate feasibility of bringing outsourced CT compliance in-house
Monitor PE risk and guide business expansion strategies
Support global supply chain and structuring projects
Transfer Pricing & Regulatory Compliance
Ensure compliance with transfer pricing regulations, including local files and CbC reporting
Respond to tax audits, notices, and information requests
Cross-Functional Collaboration
Work with internal systems and departments to ensure accurate documentation of tax positions
Assist with VAT and employment tax compliance as needed
INDEUR