Senior Tax Analyst

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At Illumina, we are expanding access to genomic technology to realize health equity for billions of people around the world. Our efforts enable life-changing discoveries that are transforming human health through the early detection and diagnosis of diseases and new treatment options for patients.
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Working at Illumina means being part of something bigger than yourself. Every person, in every role, has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible.
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Sr. Tax Analyst / VAT Manager – Cambridge   
Onsite 1 day per week (minimum)

The Role

We are looking for an experienced VAT/US Sales Tax professional to join the Tax team on a six-month fixed-term contract. This is a project-focused role supporting key VAT/US Sales Tax transformation initiatives across EMEA and the US, with particular emphasis on the SAP S/4HANA implementation and strengthening VAT processes and controls across our EMEA entities.

You will bring strong technical VAT/US Sales Tax expertise together with practical experience of VAT/Sales Tax processes, ERP systems and tax controls. They will work closely with the EMEA and US Tax teams, Finance, IT and other stakeholders to ensure that VAT/Sales Tax requirements are appropriately designed, tested and implemented within SAP S/4HANA.

The role will also undertake a programme of VAT health checks across Illumina's EMEA entities, identifying compliance risks, process gaps and opportunities to simplify, standardise and improve the efficiency of VAT processes.

Key Responsibilities

SAP S/4HANA implementation and UAT

- Support the EMEA and US Tax teams with VAT/US Sales Tax-related User Acceptance Testing (UAT) for the SAP S/4HANA implementation.
- Develop, review and execute VAT/US Sales Tax test scenarios covering key transaction flows and VAT/US Sales Tax requirements.
- Validate VAT/US Sales Tax determination, tax codes and VAT treatment across relevant purchase and sales transactions.
- Identify, document and help resolve VAT/US Sales Tax-related system defects and configuration issues arising through UAT.
- Work with Tax, Finance, IT and project stakeholders to ensure VAT/US Sales Tax requirements are correctly reflected within the new system.
- Support testing of end-to-end VAT/US Sales Tax processes, including relevant VAT/Sales Tax reporting and compliance outputs.
- Help ensure appropriate documentation and controls are in place ahead of implementation.

EMEA VAT health checks

- Undertake structured VAT health checks across Illumina's EMEA entities.
- Review key VAT processes, transaction flows, VAT determination and compliance controls.
- Identify potential VAT risks, control weaknesses and areas requiring remediation.
- Assess whether existing VAT processes can be simplified, standardised or automated.
- Develop practical recommendations and work with the EMEA Tax team and relevant stakeholders to implement improvements.
- Identify opportunities to improve the efficiency and consistency of VAT compliance processes across the region.
- Document findings, actions and recommendations to provide a clear audit trail and support ongoing VAT governance.

Tax process improvement

- Support the wider Tax team in developing more efficient and scalable VAT processes.
- Identify opportunities to reduce manual intervention and improve the use of systems and data within VAT compliance and reporting.
- Help standardise VAT processes and controls across EMEA where appropriate.
- Provide technical VAT input into wider finance and tax transformation initiatives as required.

Experience and Skills

- Significant practical experience in VAT/US Sales Tax, ideally gained within a multinational organisation, Big Four firm or other complex international environment.
- Strong knowledge of EU, UK VAT and US Sales Tax principles and cross-border transactions.
- Experience of reviewing VAT processes and controls and conducting VAT health checks or similar risk reviews.
- Experience working with ERP systems, ideally SAP and preferably SAP S/4HANA.
- Previous experience of system implementation, VAT/US Sales Tax configuration testing or UAT would be highly desirable.
- Strong understanding of VAT/US Sales Tax determination and typical order-to-cash and procure-to-pay transaction flows.
- Ability to translate technical VAT/US Sales Tax requirements into practical system and process requirements.
- Strong analytical and problem-solving skills.
- Ability to work independently and manage multiple workstreams within a defined project timetable.
- Strong communication skills and the ability to work effectively with Tax, Finance, IT and other business stakeholders across different jurisdictions.

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

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The estimated base salary range for the Senior Tax Analyst role based in United Kingdom is GBP 63,800 - 95,600.

The range reflects long‑term growth in the role; therefore, most candidates are hired between the minimum and middle of the range. Placement depends on experience, skills, location, and internal equity. This salary range applies to the primary posting location listed above. Should the level or location of the role change during the hiring process, the applicable base pay range will be updated accordingly. Compensation ranges for other locations will differ to reflect local market competitiveness and will be shared with candidates if applicable during the recruitment process.

Additionally, all employees are eligible for one of our variable cash programs (bonus or commission) and eligible roles may receive equity as part of the compensation package.

We offer a thoughtfully designed benefits package that supports your wellbeing, flexibility, and life beyond work—combining globally differentiated offerings with locally tailored programs. This includes support during important life moments, flexible time off, opportunities to give back, and a weeklong company-wide summer shutdown. In the UK, we also offer flexible benefits, a company contribution of 10% into your pension, and private medical insurance, alongside additional benefits to support you and your family.
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We are a company deeply rooted in belonging, promoting an inclusive environment where employees feel valued and empowered to contribute to our mission. Built on a strong foundation, Illumina has always prioritized openness, collaboration, and seeking alternative perspectives to propel innovation in genomics. We are proud to confirm a zero-net gap in pay, regardless of gender, ethnicity, or race. We also have several Employee Resource Groups (ERG) that deliver career development experiences, increase cultural awareness, and offer opportunities to engage in social responsibility. We are proud to be an equal opportunity employer committed to providing employment opportunity regardless of sex, race, creed, color, gender, religion, marital status, domestic partner status, age, national origin or ancestry, physical or mental disability, medical condition, sexual orientation, pregnancy, military or veteran status, citizenship status, and genetic information. Illumina conducts background checks on applicants for whom a conditional offer of employment has been made. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable local, state, and federal laws. Background check results may potentially result in the withdrawal of a conditional offer of employment. The background check process and any decisions made as a result shall be made in accordance with all applicable local, state, and federal laws. Illumina prohibits the use of generative artificial intelligence (AI) in the application and interview process. If you require accommodation to complete the application or interview process, please contact [email protected]. To learn more, visit: https://www.dol.gov/ofccp/regs/compliance/posters/pdf/eeopost.pdf. The position will be posted until a final candidate is selected or the requisition has a sufficient number of qualified applicants. This role is not eligible for visa sponsorship.