At HiTHIUM, we are driving the development of advanced battery energy storage solutions and supporting the transition toward a more sustainable energy future.
As we continue developing our manufacturing footprint in Spain, we are looking for a Tax Specialist to join our Finance team in Navarra.
The position will be responsible for day-to-day tax compliance activities for our Spanish operations, supporting tax filings, invoice management, tax documentation and interaction with tax authorities.

Responsibilities
Prepare and support periodic Spanish tax filings, including VAT, Corporate Income Tax and other applicable statutory tax returns.
Support customs-duty and Intrastat-related tax and reporting requirements.
Manage and review sales and purchase invoices from a tax-compliance perspective.
Prepare tax-return working papers and maintain complete supporting documentation.
Support transfer-pricing documentation and the preparation of materials for tax-incentive applications.
Assist with tax inspections, including the preparation of responses and supporting documentation.




Monitor changes in Spanish and EU tax regulations and assess their potential impact on the local entity.
Coordinate with Payroll and other Finance colleagues on personal income tax and social-security-related financial data where required.
Support communication with local tax authorities and external tax advisors.
Contribute to the development of robust local tax processes and controls as the Spanish organization grows.
Requirements
Bachelor's degree in Accounting, Finance, Tax, Business Administration or a related field.
At least 3 years of professional tax experience in Spain.
Strong working knowledge of Spanish tax regulations, particularly VAT and Corporate Income Tax.
Knowledge of customs and Intrastat requirements is highly valued.
Experience preparing tax filings and supporting tax documentation.
Fluent Spanish and good working-level English.
Strong attention to detail and compliance mindset.
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📌 Tax Specialist (Pamplona)
🏢 Hithium Energy Storage
📍 Pamplona