Assistant Administratif

Responsibilities

• Manage treasury and accounting tasks, including client invoicing, supplier invoice recording, and payment collection
• Handle client portfolio management through written and telephone follow-ups
• Support commercial management by assisting with tender dossiers and commercial proposal planning
• Oversee personnel administration, including managing temporary contracts and preparing payroll elements (time tracking, leave, expenses, etc.)
• Coordinate technician interventions, including scheduling, invoicing, and contract renewals
• Manage procurement by purchasing materials according to framework agreements and optimizing costs
• Perform daily administrative tasks such as telephone reception and mail management

Requirements

• Administrative training or an experienced self-taught professional
• Previous experience in a similar administrative or assistant role
• Proficiency in invoicing, accounting tasks, and payroll preparation
• Strong organizational skills to manage multiple axes of responsibility

About the Company

BRUNET, a subsidiary of the Ortec Group, specializes in multi-technical expertise in electrical, thermal, and low-current engineering. As part of the Ortec Group, which operates in 25 countries, we provide engineering and construction solutions across various sectors including energy, defense, and transport. We value safety, innovation, and continuous professional development.