Sales Administration Assistant

Responsibilities

• Coordinate communication between sales, production, and client accounting teams
• Act as the primary contact for key accounts regarding billing, deposits, and final invoices
• Implement and enforce client billing and management rules
• Identify process bottlenecks and propose concrete solutions to improve reliability
• Centralize and validate data from various tools including Facsys, Projevent, and Dolibarr
• Ensure accurate, rapid, and compliant invoicing
• Analyze discrepancies, track key indicators, and produce reliable reporting
• Manage and mentor a centralized ADV team of 2 to 3 collaborators

Requirements

• Bachelor's degree (Bac+3) in business, management, or equivalent
• Minimum 10 years of experience in sales administration (ADV) or client coordination
• Advanced proficiency in Excel
• Fluency in English (written and spoken)
• Strong interpersonal skills and persuasive communication
• Ability to work with dynamism and constructive firmness

About the Company

WMH Project is a global experience agency that designs and deploys bold, measurable, and responsible experience platforms. With over 30 years of expertise and 500+ talents, the group delivers over 2,000 projects annually worldwide across event, travel, design, and content sectors.