Job Description

KOSTAL Group is a globally active, family-owned German company renowned for delivering innovative, market-leading solutions in the solar and automotive industries. Founded in 1912, the company has grown into a worldwide organization with around 20,000 employees across 47 locations in 22 countries.

As part of its continued expansion, KOSTAL established KOSTAL Business Services (KBS) in 2022, marking the launch of its first Business Service Centre in Hungary. This hub provides high-level support across key functions including IT, finance, procurement, master data, sales, and human resources.

Designed as a global centre of excellence, KBS focuses on delivering complex, high value-added services that strengthen and support KOSTAL’s international operations.

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.

Qualifications

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.

Additional Information

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