Internal HR Officer Intern – French & English Speaking

Working place: Company office, satellite offices

Contract type: Internship

Location: Luxembourg Hamm

Ready to start your next challenge?

Grant Thornton Luxembourg is currently seeking an Internal HR Officer Intern (m/f) to start in January 2026.

A first working experience with Grant Thornton Luxembourg is an effective opportunity to develop your potential in a human-sized company with a young and dynamic team. It is an operational experience and a springboard for your future career!

For us, you are a strength, your experience is a real added-value and places you as a key element in the realisation of our People & Culture department ambitions.

Main mission

Join our People & Culture team, a group of six passionate professionals split across three key areas: Talent, Learning & Development, and Compensation & Benefits.
You’ll primarily support our Compensation & Benefits team, making sure our HR administration and payroll processes run smoothly. And because we want you to get a full picture of the HR world, you’ll also collaborate with our Talent and Learning teams.

Main responsibilities

Working closely with your supervisor, you will:

• Support the Compensation & Benefits team with daily HR tasks: time management (all types of leave), employee data updates, onboarding and offboarding processes, personal file maintenance, folder creation, trackers, HR documents and presentations.
• Assist with the preparation of reports and HR-related analyses.
• Help the Learning team with training administration, including planning training programs and preparing the INFPC report.
• Work with the Talent team to organize our participation in recruitment fairs and contribute to the onboarding experience.
• Dive into the HR world within the financial sector and build a solid understanding of the profession.

Main requirements

• Be a student in a Masters degree in Human Resources, Business Administration, Law or Social Sciences;
• Looking for a 6-months internship;
• First internship within a HR department in Luxembourg is considered an asset;
• Basic knowledge of Luxembourg Labor Law and of Social Security Law is considered an advantage;
• Fluent in French and English (any additional language is a plus);
• Proficient with Microsoft applications (e.g.: Outlook, Word, Excel);
• Excellent analytical, confidentiality, organisational, and multitasking skills;
• Proactivity, curiosity, dynamism, autonomous and detail-oriented.

3, 2, 1… Get ready to go beyond and apply!

Next steps

• HR interview with our Talent team.
• Technical interview with your People & Culture Manager.

Grant Thornton Information

Grant Thornton is a collaborative, entrepreneurial firm on the move! As part of a dynamic, global organisation of more than 73,000 people serving clients in more than 150 countries, we have the agility and focus it takes to be a leader.

Here in Luxembourg, 340 professional staff and 21 partners are offering high-quality assurance, tax and advisory services to clients that range from private individuals to corporations, banks and public institutions.

5 reasons to join us

1. Work life balance (additional holidays, flexibility, satellite offices, parking possibility);

2. Interesting Benefits (trainings/certifications, lunch voucher);

3. Proximity management in agreement with our CLEARR values;

4. Integration follow-up to ensure yours & career development opportunity (on-demand feedback);

5. Company life (events, afterworks, teambuilding, sport events) & engagements (Corporate Social Responsibility, Human Rights, Diversity & Inclusion);

6. You are the one that we are looking for!

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