SUMMARY OF THE ROLE

Location: Europe

Fulltime/Parttime: Fulltime

Are you an experienced Global Mobility or International Tax professional looking to make real impact in a truly international organisation?

At Mammoet, our employees work on complex heavy lifting and transport projects all over the world. As Global Mobility Tax Advisor, you play a key role in ensuring compliance with international tax and social security regulations while supporting the business in the successful deployment of talent globally.

You will operate in a dynamic stakeholder environment and contribute to continuous improvement initiatives within Global Mobility, Tax and Payroll processes.

WHAT YOU’LL BE DOING

In this role, you will combine operational execution with advisory responsibilities and take ownership of mobility-related tax and payroll processes across multiple jurisdictions.

Your responsibilities will include:

Advising management, HR, Payroll and employees on international tax, social security and mobility compliance matters.
Coordinating personal income tax filings for internationally mobile employees in cooperation with external tax advisors.
Managing relationships with key internal stakeholders including European HR teams, Payroll, Finance and business leadership.
Liaising with external parties such as tax firms, social security institutions, embassies and foreign payroll providers.
Overseeing, executing and validating international payroll calculations, tax equalisation settlements and mobility-related compensation structures.
Performing net-to-gross and hypothetical tax calculations for international assignments
Monitoring changes in international tax and social security legislation and translating these into practical business impact.
Supporting and initiating process improvement and standardisation projects within Global Mobility.
Reviewing and validating invoices from external vendors.

WHAT YOU’LL NEED

Bachelor’s or Master’s degree in Tax Law, Finance, HR, Economics or a related field.
5–10 years of relevant experience in Global Mobility, International Tax or Expatriate Payroll.
Solid understanding of cross-border employment taxation and social security frameworks.
Experience working in an international corporate environment.
Exposure to international payroll structures and tax equalisation policies is highly desirable.
Strong stakeholder management skills and ability to influence at different organisational levels.
Excellent communication skills in English, both written and verbal.
A structured, analytical and proactive working style.

WHAT YOU’LL GET

A challenging and impactful role in a globally operating organisation.
Opportunity to work on complex international mobility cases and projects.
A collaborative and professional team environment.
Room for personal growth and development within Tax, Mobility and Finance.
Flexible working options.
A modern office location in Schiedam.

WANT TO KNOW MORE?

Get in touch — email shai.ponit@mammoet.com

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Mammoth

Smarter Safer Stronger

Mammoet offers solutions for every heavy lifting or transport challenge. We strive for long-term relationships with our customers to understand the challenges within their markets. By working closely with our partners, we achieve the most efficient and cost-effective approach. Customers trust us to help them achieve feats once considered impossible. And we've often broken records in the process.

Some dream about a future that is Smarter, Safer and Stronger. We actually build it.

Mammoet is a leading global company. We lift, transport, install, and dismantle objects, from dormers to wind turbines and from bridge components to petrochemical columns. We do this in ports and construction, but also in the petrochemical, energy, and offshore sectors. We operate an impressive fleet of machinery.

Customers know we can deliver results that often seem impossible. That's because, through our extensive global experience, we've built up extensive technical expertise. We're known for the quality we deliver and the high safety standards we adhere to. We've made the impossible possible more than once.

We work hard with 7,000 like-minded colleagues. We're a proud club, and you can be a part of it. You're welcome. Together we make a difference!

Your career: always evolving

Our employees deliver the quality Mammoet is known for. That's why we're always working on their development, expanding their knowledge and skills in the field.

Moreover, there are always opportunities for growth. You'll need to bring motivation and ambition. We'll train you at our own Academy. You can, for example, train to become a crane operator. It's up to you. Management positions? If you're interested, there's a path. Close to home, but also internationally if you prefer.

Together we make the difference

At Mammoet, we work together to tackle the challenges of tomorrow. We work hard with loyal colleagues. We're a team that strives to grow every day. If you want to make the impossible possible with us, you're welcome. Together, we make a difference!

“Some dream about a future that is Smarter, Safer and Stronger. We actually build it. ”