Global Mobility Expert

Overall Purpose of Job:

We are looking for a hands-on Global Mobility Expert to manage international assignments across multiple locations. In this role, you will ensure mobility cases are delivered efficiently, compliantly, and with a strong focus on employee experience. You will combine operational case management with process improvement and close collaboration across HR, business leaders, and external partners.

Your Responsibilities

Global Mobility Program Management

• Manage global mobility policies, processes, and standards across different assignment types.
• Maintain and improve policy elements such as eligibility, benefits, cost controls, and approvals.

Assignment Management

• Manage the full lifecycle of international assignments, including assessment, offer and letter support, pre-assignment planning, onboarding, in-assignment support, extensions, repatriation, and post-assignment transition.
• Partner with HR Business Partners and business leaders to define assignment objectives, timelines, and expected outcomes.
• Guide employees and their families throughout the assignment process to ensure a smooth experience.

Compliance, Tax & Immigration

• Coordinate immigration and work authorization processes with external providers and local stakeholders.
• Work with tax advisors on tax briefings, tax equalization/protection, and year-end compliance.
• Monitor and help mitigate risks related to social security, payroll, permanent establishment, and labour law.

Vendor & Stakeholder Management

• Manage relationships with mobility vendors, including relocation, immigration, tax, destination services, and moving companies.
• Act as a trusted mobility expert for internal stakeholders and regional HR teams.

Cost Management & Reporting

• Prepare assignment cost estimates and budgets.
• Track mobility-related costs and variances.
• Identify opportunities to improve efficiency, standardize processes, and optimize mobility spend.

Your Profile

• Bachelor’s degree in Human Resources, Business Administration, International Management, or a related field.
• Minimum 5 years of hands-on experience in Global Mobility or International Assignment Management.
• Strong experience in direct case management, not only policy or advisory work.
• Experience supporting multiple countries or entities is an advantage.
• Practical knowledge of payroll, tax coordination, and immigration processes.
• Strong understanding of global mobility operations and assignment lifecycle management.
• Experience with HR systems, case management tools, and mobility trackers.
• Advanced MS Excel skills.
• Fluent in English; German is a strong advantage.
• Additional languages are a plus.

What You Bring

• Hands-on, solution-oriented, and execution-focused mindset.
• Strong organizational skills and attention to detail.
• Ability to manage multiple cases in a dynamic international environment.
• Strong communication and stakeholder management skills.
• Customer-focused approach with a commitment to employee experience.
• High level of ownership and accountability.

Why Join Us

• Opportunity to work in an international and collaborative environment.
• A role with real ownership and impact across global mobility operations.
• The chance to shape and improve mobility processes while supporting employees worldwide.

What do we offer :

• Flexible working conditions with remote work possibility (in-person presence is required from time to time), you can have a real work-life balance
• Modern, newly renovated, sustainable office with parking space and bicycle storage area in the heart of Budapest
• Supportive, diverse and highly skilled community
• Ability to really make a difference and build new processes from scratch, you can participate in the formation and shape of the BSC processes
• KOSTAL is a dynamically developing company, an independent, family-run business which provides much flexibility
• You can enjoy our value-oriented work culture: we are down-to-earth, appreciative, inspiring and innovative