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933 available offers
  • ADMINISTRATIVE ASSISTANT
  • Ref: 2025-15755
  • Lille
  • CDI
  • Today
City
Lille
Activity
Cleaning and multiservices
Function
Administrative support
Contract type
CDI
Working hours
full time
Compensation

Offer description

Your mission

Onet is recruiting for its Lille agency:

Administrative Assistant (M/F) on a permanent contract. 

Your missions are as follows:

Secretariat 

Welcoming and providing information to internal and external contacts
Managing the switchboard
Handling mail
Organizing and coordinating schedules, organizing meetings, and preparing the necessary documents to ensure they run smoothly
Handling sensitive information confidentially with multiple contacts
Anticipating and organizing travel: booking transportation, hotels, etc.
 

Budget monitoring and billing 

Enter, check, and approve expense reports
Perform accounting operations (provisions, expenses, bank reconciliations, etc.)
Place orders, code and enter supplier invoices, and forward them to the relevant departments
Validate with the operations team and enter construction site billing items
Ensure administrative follow-up of contracts and customer payments (reminders, price revisions, etc.)
Create and enter internal re-invoicing
Develop and maintain up-to-date dashboards 
 

Human Resources Management 

Contribute to personnel management and administrative follow-up
Complete hiring formalities: declarations, contracts
Track workplace accidents, sick leave, and medical appointments
Participate in payroll processing for agency personnel (time sheets and data entry)
Follow disciplinary procedures and employment contract terminations

Your assets

With training in SME/SMI management and payroll management, you have proven initial experience in payroll management.

You know how to use payroll software and are familiar with IT tools.

Recognized for your commitment and dedication, you know how to prioritize your tasks, are methodical and know how to meet deadlines.

You have good interpersonal skills, are able to organize yourself and work both independently and as part of a team.

You are curious and like to take initiative.

 

Joining Onet also means embracing the values of listening, respect and boldness that underpin our Group and guide our day-to-day actions.

 

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

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
As France's No. 1 player in Cleaning and Services, we work every day to maintain the hygiene and cleanliness of places of work, transport, healthcare, education, leisure... Our cutting-edge tools and methods support our teams on a daily basis, ensuring our position as a benchmark in the cleaning market. With 62,000 employees and 180 locations worldwide, Onet Cleaning and Associated Services is part of the Onet Group.

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