Job Opening: ADMINISTRATIVE MANAGER (M/F) - Fixed-Term Contract

At our office in Roissy-en-France, you will hold a strategic dual-role position in Payroll and Administration, where attention to detail, organizational skills, and a commitment to service will make all the difference.

Your day-to-day responsibilities:

HR & Payroll Management

Collect and verify variable payroll data (absences, time records, additional hours/overtime, supporting documents, etc.)
Verify the accuracy of time records and import them into our payroll software
Participate in on-site payroll support sessions
Complete the new hire reports (DUE) and verify that the files are complete before drafting the contracts
Prepare employment contracts for the agency's employees
Draft disciplinary letters for approval by our HR Manager
Issue invoices to our customers
Verify and enter invoices from our suppliers
Enter the agency employees' vacation days
Review temporary staffing invoices with Operations
Track medical appointments and send appointment notices to employees
Organize the tracking of training courses (CACES, safe work practices, occupational health and safety, etc.) and manage the associated logistics
Help organize job fairs and ensure that the files of selected candidates are prepared

Administrative tasks :

Serve as the link between site operations and the facility
Enter expense reports, manage supplier orders, and track supplies
Compile and summarize information (files, charts, tables, reports, etc.)
Attend operational meetings to understand the business and its challenges

Your assets

You are an organized, versatile, and responsive person, capable of handling multiple tasks simultaneously while maintaining a clear sense of priorities. Your attention to detail and commitment to service make you a true asset to teams and colleagues.

Education: Youhave at least two years of post-secondary education in payroll, accounting, administrative management, or SME/SMI management.

Skills: Youare proficient in office software and payroll software, and have a solid understanding of labor law—all of which are essential for ensuring the integrity of HR processes.

Your strengths: Youradaptability, attention to detail, professionalism, organizational skills, and commitment to service enable you to quickly integrate into the team and contribute effectively to its performance.

What we offer: Joiningour team means taking on a key role at the intersection of Human Resources and administration, at the heart of the agency’s operations.

You will be part of a dynamic, committed, and collaborative team, where your role will have a tangible impact on the daily lives of employees.

Every month, you ensure that our employees receive fair, reliable and timely pay: a seemingly simple gesture, but essential for their confidence, well-being and commitment.

This position is subject to administrative investigation.

"Onet has been committed to diversity and disability for many years. Onet recruits and recognizes all talents."

Joining Onet also means adhering to the values of listening, respect and boldness that are the foundation of our group and guide our actions every day.

Our business

Onet, a French family-owned group founded in 1860, is an international player in engineering and services. Its more than 70,000 employees work every day to help create ever healthier, safer and more reliable environments.

More about Onet

Specialists in on-site logistics, or in dedicated warehouses, we support our customers in optimizing their supply chain, from raw materials procurement to inventory management and distribution in the most demanding business sectors, making us a benchmark logistics player among the top 10 3PLs (3rd Pard Logistic) in France. Onet Logistique is part of the Onet Group, an 80,000-strong service and engineering group.

Are you interested in this offer?

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