Colt Technology Services is hiring a Senior HR Generalist for its Brussels office – apply now to join a dynamic team in this exciting HR job opportunity.

Location : Bruxelles

Company Name: Colt Technology Services

Job Type: Full-time, 1 year contract (Hybrid)

Colt Technology Services is a global digital infrastructure and telecommunications provider, offering high-bandwidth voice, data, cloud and managed services to enterprise clients across Europe, Asia and North America.

About the Job

As a Senior HR generalist you’ll manage, develop, and coach a team of HR professionals who support Colt’s employees, including the 85 staff based in Belgium and Luxembourg across various business units.

• Partner with business and HR teams to support daily HR operations.

• Ensure HR practices meet legal standards and industry best practices.

• Support all departments to build a high-performance workplace culture.

• Lead employee relations cases such as redundancies, layoffs, and negotiations.

• Manage grievances, performance plans, and disciplinary investigations.

• Provide expert advice on HR issues like performance management and compliance.

• Advise employees and managers on HR issues, policies, and local employment laws.

• Interpret employee handbooks and legislation to guide employment-related queries.

• Support core HR processes like performance reviews, talent planning, and salary reviews.

• Help roll out HR policies and manage change initiatives in the business.

• Work with global HR teams to deliver key transformation projects.

• Oversee long-term sick leave cases and liaise with occupational health providers.

• Review health recommendations and align actions with managers and employees.

• Support onboarding and senior-level hiring processes across the business.

• Approve and manage accurate monthly payroll submissions.

• Act as the local escalation point for pensions and benefits issues.

Your Profile

• Minimum 7–8 years of HR experience in multinational companies or global environments.

• Proven experience managing Works Councils and leading restructuring projects in Belgium.

• Deep understanding of employee relations and all core operational HR responsibilities.

• Up-to-date knowledge of Belgian employment law and HR best practices (Luxembourg knowledge is a plus).

• Experience working in international HR contexts beyond Belgium is highly desirable.

• Strong project management skills with expertise in prioritising, organising, and meeting tight deadlines.

• Skilled at improving processes and driving operational excellence through continuous improvement.

• Confident, resilient, and diplomatic when working with senior stakeholders or in sensitive situations.

• Customer-focused approach to working with both internal and external stakeholders.

• Able to influence others and solve problems with sound judgment and initiative.

• Comfortable managing multiple stakeholders with conflicting demands or priorities.

• Friendly, approachable, and capable of building rapport at all levels of the organisation.

• Excellent attention to detail and a quality-driven mindset.

• Strong analytical skills including critical thinking and logical reasoning.

• Calm under pressure and able to deliver results in high-stress environments.

Notre offre

• Flexible hybrid working model to support your lifestyle and productivity.

• 39-hour work week with extra time off under our collective bargaining agreement.

• Two paid volunteering days per year to give back to your community.

• Relaxed office dress code so you can feel comfortable at work.

• Competitive benefits package including life insurance, health coverage, and a solid pension plan.

• Flexible benefits scheme to tailor your perks to your personal needs.

• Lunch vouchers or childcare vouchers to support your daily essentials.

• Access to a virtual business school for continuous learning and upskilling.

• Business mentoring programs to accelerate your career growth.

• Work in an inclusive, international team with 35+ nationalities represented.

At Colt Technology Services, we’re committed to building an inclusive, high-performing team where your voice matters. If you’re passionate about HR, thrive in an international environment, and want to make a real impact—apply now and take the next step in your career with us.

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