International Mobility Manager

Support the Head of International Mobility in operationalizing the new Zug GEC, assisting with the rollout of assignment workflows, administrative governance, and functional handoffs. Oversee the full international assignment lifecycle, acting as a primary operational contact for assignees and Corporate/Country People Partners - partnering closely with Talent Management to support seamless repatriation, career continuation, and succession pipeline integration. Coordinate with external tax, immigration, and legal advisors to execute compliance requirements, leveraging Swiss posting frameworks and A1 protocols for assigned pools. Support the annual compensation cycle for international assignees, coordinating salary reviews, shadow payroll data delivery, and balance sheet recalculations (COLA, hypothetical tax, etc.). Maintain day-to-day operational relationships with external vendors (tax, immigration, relocation), monitoring service levels, invoice processing, and operational quality. Assist in drafting operational guidelines, standard operational procedures, and employee communications that reflect updated mobility policies and GEC framework updates.

Holcim is the leading partner for sustainable construction, creating value across the built environment from infrastructure and industry to buildings. Headquartered in Zug, Switzerland, Holcim has more than 48,000 employees in 45 attractive markets – across Europe, Latin America, Asia, Middle East & Africa. Holcim offers high-value end-to-end Building Materials and Building Solutions, from foundations and flooring to roofing and walling – powered by premium brands including ECOPlanet, ECOPact, and ECOCycle®. As a global leader in innovative and sustainable building solutions, Holcim is enabling greener cities, smarter infrastructure, and improved living standards around the world. With sustainability at the core of our strategy, we are becoming a net-zero company, with our people and communities at the heart of our success. We are driving circular construction as a world leader in recycling to build more with less. Together with our 45,000 talented and passionate people around the world, we are building progress for people and the planet through four business segments: Cement, Ready-Mix Concrete, Aggregates, and Solutions & Products.

• Bachelor’s degree in HR, Business Administration, International Law, or an equivalent professional qualification

• 5 - 8 years of experience managing complex international mobility portfolios within a global, decentralized organization.

• Previous exposure to or practical experience working within a GEC structure is considered as a plus.

• Strong track record in expatriate payroll coordination, shadow payrolls, and tax equalization cycles.

• Demonstrated experience in cross-functional project coordination, successfully collaborating with internal stakeholders (Finance, Legal, Payroll, Local HR) to support organizational or process changes.

• Strong knowledge of international tax, immigration, and employment law, with the ability to translate regulations into clear, actionable advice for the business

• Proven project management skills in a multi-faceted, global and multi-functional setup

• Ability to communicate effectively with internal and external stakeholders, combined with excellent organizational and analytical skills to manage complex, multi-layered projects

• Uncompromising ethics and discretion in handling sensitive executive compensation and personal data, combined with high analytical accuracy

• Strong command of English

• Additional languages such as German, French or Spanish are considered a plus