Location Bilbao (Spain)

Company Overview Sibelco is a integral specialty minerals company dedicated to delivering high‑value, sustainable materials across a range of industries including glass, ceramics, construction, coatings, polymers, and water purification.

Specialist Tax Projects – A tax role focused on high‑impact strategic projects that influence key business decisions. You will join the Group Tax team and support M&A;, restructurings and cross‑border initiatives, acting as a trusted partner to finance, legal and leadership teams.

Your Impact In this Role

M&A;, Projects & Structuring

Provide tax guidance on acquisitions, divestments, reorganizations and joint ventures

Perform tax due diligence and identify risks and opportunities

Advise on optimal tax structuring aligned with Group policies

Support cross‑border initiatives (legal entity rationalization, financing, cash repatriation, etc.)

Pillar 2 & International Tax

Assess Pillar 2 implications of transactions and reorganizations

Collaborate with Tax Accounting & Reporting on impact analysis

Transfer Pricing Strategy & Governance

Support transfer pricing strategy, compliance and operational discussions

Contribute to governance, best practices and implementation across the Group

Tax Audit & Advisory Support

Support local teams during tax audits

Provide guidance on tax technical positions, documentation and risk mitigation

Process, Controls & Governance

Contribute to the design and implementation of Group Tax internal controls

Support the development of tax policies, standards and governance frameworks





Drive process improvements and leverage technology for efficiency

What You Bring to the Table

Around 6–7 years of experience in international tax, transaction tax or similar roles (ideally in a Big 4 or multinational environment)

Strong technical expertise in international tax, M&A; tax, structuring, transfer pricing and Pillar 2

Experience supporting complex, cross‑border projects

Strong analytical skills with a structured, problem‑solving mindset

Ability to influence stakeholders and communicate effectively across functions and geographies

Proactive, autonomous and comfortable working in a dynamic environment

Tech‑savvy with an interest in process improvement and automation

Fluency in English and Spanish is required; additional languages such as French or Dutch are a plus

About The Role This position is part of the Group Tax organization, reporting to the VP Tax. You will work closely with central functions such as M&A;, Finance, Treasury and Legal, and local business teams across different regions. The role offers strong exposure to strategic decision‑making and the opportunity to contribute to the ongoing development of Group Tax processes, controls and governance frameworks.

Employee Type Permanent

Benefits

Work in a brand‑new office in the heart of Bilbao

Be part of a central finance transformation

Collaborate with Group Tax HQ in Belgium and global teams

Enjoy a flexible, international work environment

EEO Statement Sibelco welcomes applications from all backgrounds and is committed to providing reasonable adjustments throughout the selection process.

📌 Specialist Tax Projects (Madrid)
🏢 Sibelco Group
📍 Madrid