Global Tax Director

Join Us in Powering the Future of Renewable Energy

Are you passionate about green energy and looking to be part of a dynamic, fast-growing international organization?

At Muehlhan Wind Service, we are driven by a shared ambition to support the global energy transition. Through the expertise, dedication, and commitment of our people, we deliver high-quality solutions that contribute to lowering the cost of green energy worldwide.

If you are looking for an opportunity to make a real impact, work alongside talented professionals, and grow your career in a thriving and purpose-driven environment, Muehlhan Wind Service could be the place for you.

About The Role As

Global Tax Director , you will be part of the Global Corporate Tax team at Muehlhan Group and will take overall responsibility for Global Corporate Tax matters across the organization.

Based in our

Porto office, Portugal , this role has been established to serve as a knowledge center and support hub for tax matters across the Group. As Muehlhan Group continues to expand internationally, you will play a key role in organizing and managing the Group’s corporate structure, corporate tax matters, intercompany arrangements, and transfer pricing framework.

You will work closely with stakeholders across Finance, Operations, Legal, and Sales functions, as well as colleagues from recently acquired businesses being integrated into the Group. This is a senior-level position offering significant influence on the future structure and development of the business. The role includes regular international collaboration and approximately 50 days of travel per year across Europe, with additional travel.

Department and reporting Line Department:

Finance

Reporting Line:

Head of Global Tax

Key responsibilities

Support the setup and maintenance of the Group’s corporate and intercompany structure.

Investigate and help design cross-border working models from tax, transfer pricing, risk, and operational perspectives in collaboration with internal stakeholders.

Provide guidance on tax-related matters and assist in preparing descriptions of working models for future business use cases.

Contribute to the development and enhancement of the organization’s tax practices and policies.

Manage communication with external tax advisors and specialists regarding corporate tax matters.

Support tax due diligence, structuring, and review activities related to mergers and acquisitions.

Monitor and assess international tax regulation developments across relevant jurisdictions.

Increase internal tax awareness and support employees with practical solutions for managing intercompany transactions.

Support transfer pricing compliance and documentation obligations across Group entities.

Assess and manage permanent establishment (PE) risks and obligations arising from activities in new and existing markets.

Act as a trusted advisor to the organization on corporate tax matters, supporting optimal business solutions while mitigating tax risk exposure.

Skills, Knowledge And Experience To succeed in this role, you should have:

Minimum 10–15 years of experience in international taxation within multinational organizations or advisory environments.

Strong knowledge of international corporate taxation, corporate structuring, and transfer pricing.

Professional proficiency in English, both written and spoken.

Ability to work independently, manage priorities effectively, and take ownership of tasks from initiation through completion.

Strong analytical skills, with the ability to evaluate complex information, develop practical business solutions, and communicate technical concepts to non-specialist audiences.

Excellent stakeholder management and interpersonal skills, enabling successful collaboration across all organizational levels, including senior leadership.

A structured and detail-oriented working style combined with the agility to respond to changing business priorities.

A positive mindset towards working in a rapidly growing and evolving international organization.

It Would Be An Advantage If You Also Have

Experience with indirect taxation, particularly VAT.

Previous exposure to M&A transactions, tax due diligence, and post-acquisition integration activities.

Knowledge of international tax planning and capitalization rules.

A pragmatic, approachable, and collaborative working style, balanced with the confidence to challenge and influence where required.

What we offer

Health insurance and Mental Health Support

Employee Assistance Program (Workplace Options)

Flexible working arrangements

Career development opportunities

International exposure within a dynamic and fast-growing environment

Continuous training and development

Regular team-building activities and celebration events

Meal allowance (paid in meal card)

Free fruit, snacks and soft drinks in the office

Equal Opportunities Statement Muehlhan Wind Services is committed to creating an inclusive and diverse workplace. We welcome applications from all qualified candidates and make employment decisions without regard to race, religion, gender, age, disability, sexual orientation, or any other protected characteristic.

Location: Porto, Portugal

Start Date: As soon as possible

About Muehlhan Wind Service Muehlhan Wind Service (MWS) is a world-leading, full-scope independent service provider, specializing in wind turbine installation and Operations & Maintenance solutions global wind energy clients.

Headquartered in Fredericia, Denmark, MWS is part of the Muehlhan Group, an international industrial services company based in Hamburg, Germany. With operations spanning multiple countries and business units, we deliver specialized solutions across the entire lifecycle of wind energy assets, both onshore and offshore.

Our expertise covers a wide range of services, including onshore and offshore installation, high-voltage and electrical services, blade inspections and repairs, statutory inspections, main component exchange, paint, special projects, manpower solutions, welding repairs, and more.

At Muehlhan Wind Service, our people are at the heart of everything we do. We are proud to foster a collaborative, international, and safety-driven environment where talented professionals can grow, make an impact, and contribute to the global transition towards renewable energy.

If you are passionate about working in a dynamic industry and want to be part of a team that is helping shape the future of sustainable energy, we would love to hear from you.

For more information, please visit www.muehlhan.com.

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