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899 available offers
  • Project Assistant F/H
  • Ref : 2025-15311
  • Evry Gregy
  • CDD
  • Today
City
Evry Gregy
Activity
Cleaning and multiservices
Function
Administrative support
Contract type
CDD
Working hours
Full-time
Compensation

Offer description

Your mission

Onet is recruiting for a client based in Seine et Marne (Grégy sur Yerres) :

 

Project Assistant

Fixed-term contract (August 2026)

 

As part of a strategic head office relocation project, we are looking for an autonomous and versatile project assistant to support the Project Manager in the administrative and operational management of the move.

Vehicle required!

 

Main responsibilities

- Follow-up and updating of service contracts (termination, adaptation, transfer)
- Management of quotes and orders (storage, recycling, etc.)
- Follow-up and coordination with suppliers (maintenance, cleaning, etc.)
- Organization and follow-up of tasks related to the project schedule
- Preparation of documents and reports
- Interface with internal teams and external service providers
- Participation in project meetings and reporting

 

Your assets

Experience in administrative management or project support
Excellent autonomy and organizational skills
Resourceful, proactive and solution-oriented
Proficiency in office automation tools (Excel, Word, Outlook, Teams)
Good level of English (written and spoken)
Ability to work in a dynamic and evolving environment

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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