Administrative and HR Assistant (F/M) – Part-time 50% (Permanent Contract)

Are you organized, detail-oriented, and interested in administrative and HR tasks within an international, structured, and people-focused environment?

We are looking for a Part-time Administrative and HR Assistant (50%) to support our teams on a daily basis with general administrative duties and first-level HR activities.

You will work in a collaborative professional environment where confidentiality, reliability, and quality of service are top priorities.

AGENA3000 (Centaurus Group) is built on strong values shared by all our teams: Well-being – Boldness – Solidarity – Commitment (the B.A.S.E.).

We offer a stimulating, fast-growing environment in France and internationally, placing people and business expertise at the heart of our strategy.

Our mission: to optimize and secure our clients’ data exchanges and business process flows.

Your responsibilities

As an Administrative and HR Assistant, you will support internal teams and contribute to the smooth running of administrative and HR operations.

Your main responsibilities will include:

- Managing mail, parcels, and welcoming visitors;

- Ordering office supplies and monitoring telephone subscriptions;

- Managing building access and badge distribution;

- Handling administrative follow-up related to occupational health (medical appointments, related documentation);

- Centralizing leave requests and tracking attendance via the HR system;

- Preparing documentation for the issuance and return of IT and telephone equipment;

- Monitoring mandatory training sessions (health and safety, etc.) and managing attendance records;

- Assisting in the preparation of payroll-related documents in collaboration with the external payroll provider;

- Contributing to effective administrative organization and the continuous improvement of internal processes.

Your profile

You have initial experience in administration and basic HR management, ideally within a structured environment, as well as formal training in Human Resources or Administration.

Organized, thorough, and discreet, you place great importance on data confidentiality and the quality of your work. You enjoy working as part of a team and have strong interpersonal skills, enabling effective communication with a wide range of stakeholders.

You are a native Romanian speaker and have a professional level of English, which is mandatory for the role. Knowledge of French is a strong asset. Comfortable with office tools and HR platforms, you are able to manage priorities independently and demonstrate reliability in carrying out your responsibilities.

Position details

Contract: Part-time permanent contract (50%)

Location: Bucharest (on-site)

Compensation: Based on profile and experience

Environment: International, structured, collaborative, and service-quality oriented

Benefits: Health insurance, partial reimbursement of public transportation, meal vouchers