Tax Specialist

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.
• Ability to work accurately against statutory deadlines.
• Good analytical, organizational and documentation skills.
• Experience within manufacturing, industrial or multinational environments would be a plus.