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878 available offers
  • Service administrative assistant F/H
  • Ref : 2025-14305
  • Nantes
  • Alternance
  • Today
City
Nantes
Activity
Electronic security
Function
Administrative support
Contract type
Alternance
Working hours
Full-time
Compensation

Offer description

Your mission

Onet Security et Systèmes is recruiting an Administrative Assistant for its Nantes branch. 

Reporting to the branch manager, you will be responsible for the administrative management of after-sales service and customer assistance.

In this role, you will be responsible for : 

  • Welcoming and guiding customers by phone and email
  • Manage after-sales service files and monitor repairs
  • Schedule appointments for technicians and organize their travel
  • Handle complaints and inquiries
  • Update customer databases
  • Participate in the continuous improvement of after-sales processes
  • Technical data entry (tables, etc.)
Your assets

You are preparing a diploma in administrative management, secretarial work or equivalent.
You have excellent interpersonal skills and a strong sense of customer service.
You are organized, rigorous and autonomous.
You are proficient in office automation tools (Word, Excel, Outlook)
A first experience in customer service or after-sales service would be a plus.

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
Our 7,000 employees protect numerous industrial, service, transport and event sites in France. We support our customers in the global management of their risks, and deploy teams of safety and security agents, as well as electronic security systems. Onet Security is part of the Onet Group, an international service and engineering group with 80,000 employees.

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