Working Student Tax

Celonis
Madrid, SpainPosted 16 April 2026

Tech Stack

Job Description

Celonis is the global leader in Process Intelligence and the pioneer of Process Mining technology. As one of the world’s fastest-growing enterprise SaaS companies, we are changemakers pushing the boundaries of what’s possible. We invest heavily in advanced AI capabilities—specifically our Process Intelligence Graph—to turn data insights into immediate business action. We believe there is a massive opportunity to unlock global productivity and sustainability by placing intelligence at the core of every business process. Join our mission to make processes work for people, companies, and the planet. The Team: Our Finance Tax team in Madrid is a group of high-performing professionals dedicated to navigating the complexities of the global fiscal landscape. We act as strategic partners to the business, ensuring compliance while driving efficiency through data and automation. Joining this team means working in a collaborative, fast-paced environment where your analytical skills will support Celonis’ rapid global expansion. We value precision, transparency, and a proactive approach to solving financial challenges. The Role: As a Finance Tax Intern, you will dive deep into the world of international corporate taxation and statutory reporting. This isn't just about "crunching numbers"—it’s about understanding the financial heartbeat of a global tech leader. You will support our tax experts in everything from Direct and Indirect Tax compliance to Transfer Pricing and RD credits. We are looking for a detail-oriented student who is eager to learn how a modern finance department operates and who isn't afraid to leverage AI and automation to optimize traditional processes. The work you’ll do: Assisting with Direct Tax compliance obligations and the statutory reporting process. Providing support for Indirect Taxation compliance, such as VAT and Sales Use Tax filings. Supporting the assessment of Withholding Tax (WHT) obligations. Assisting with the preparation and maintenance of Transfer Pricing (TP) documentation, including Master and Local Files. Supporting data gathering and analysis for benchmarking studies and TP calculations. Working on Tax Audit readiness and comprehensive data compilation. Assisting with documentation and reporting for RD Tax Credit works. Contributing to the development and involvement in AI and Automation tools to optimize tax processes. The qualifications you need: Academic Background: Currently enrolled in the final years of a degree in Law, Finance, Accounting, or a related field. Language Skills: Mandatory fluency in English (written and verbal). Technical Skills: Strong command of Microsoft Excel. Soft Skills: Analytical mindset, proactive attitude, and meticulous attention to detail. Experience: Prior exposure to an accounting or tax environment is highly valued, but not required. Availability Location: 40h / week 6-12 months located in Madrid What Celonis can offer you: Pioneer Innovation: Work with the global leader in Process Mining and the Process Intelligence Graph to shape the future of AI-driven business operations. Ownership from Day 1: Every full-time "Celonaut" is an owner, receiving Restricted Stock Units (RSUs) and merit-based refresh grants. Unrivaled Family Support: Benefit from our inclusive parental leave policy—24 weeks of fully paid leave for primary carers and 12 weeks for supporting carers, available from your first day of employment. Work-Life Integration: Enjoy Unlimited PTO (in applicable regions) and generous PTO globally, as well as a flexible hybrid work model that balances remote focus with vibrant office collaboration. Continuous Growth: Elevate your skills through our 70-20-10 learning framework, mentorship programs, and access to a dedicated learning platform. Holistic Well-being: Prioritize your health with subsidized Wellhub memberships, mental health counseling, and dedicated "Wellness Weeks" that prioritize work/life balance. Drive Sustainabi ... (truncated, view full listing at source)
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