Job Opening: Billing and Administrative Assistant (M/F), Fixed-Term Contract, Ille-et-Vilaine (35)

Enter, review, and approve expense reports.
Place orders and process supplier invoices.
Perform routine accounting tasks (provisions, expenses, bank reconciliations, etc.).
Track work orders with the operations team (printing, filing, signing).
Enter billing details for construction projects.
Handle the administrative follow-up of contracts and customer payments.
Manage and track customer collections, and follow up as needed in collaboration with the operations team.
Develop and maintain up-to-date dashboards, verify their accuracy, and submit activity reports to Regional Management (monthly revenue summary, leasing, etc.).
Manage internal billing and monitor work orders.

Administrative management :

Update customer records in internal systems.
Ensure that filing and archiving (both paper and digital) are carried out in accordance with established standards.
Set up and monitor the tracking of customer contracts.

Depending on your interests, you may also be asked to:

Process payroll for agency staff (time entries, input of variable pay components).
Assist with the management and administrative oversight of staff (reporting, employment contracts, etc.)

Additional information:

A 6-month fixed-term contract to cover maternity leave
35 hours per week, Monday through Friday
Option to work from home one day a week

Your assets

With a background in SME management, accounting, or a related field, you have demonstrated initial success in billing and/or accounting.
You are comfortable using accounting software.
You are proficient in using computer software, particularly Microsoft 365.
You are known for your dedication, attention to detail, and organizational skills.
You know how to prioritize your tasks, work systematically, and meet deadlines, especially during the closing period.
You handle information with discretion and confidentiality.
You are curious and proactive, and you enjoy taking the initiative and suggesting improvements.

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

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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