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Assistant administrative d'agence H/F

3 Avenue Du Gué Langlois, 77600 Bussy Saint Martin, France💼 Full-time🗓 2026-09-17 → 2026-09-26

Core

Administrative support for an agency, handling client billing, payments, correspondence, and service request (SAV) scheduling.

Role type

Administrative Assistant

Builds

Agency operational reports and client billing records

Domain

Security services / Facility management

Deliverable

dashboards & analysis

Required skills

Billing and invoicing, payment processing, customer correspondence, supplier invoice verification, weekly/monthly reporting, data consolidation, KPI tracking, service request scheduling, contract management, dispute handling, mail management, telephone support

Preferred skills

Office software proficiency (Word, Excel, Outlook), reliability, initiative, autonomy

Responsibilities

Follow up, control, and record client orders; invoice work and services; record and deposit client payments; draft response letters for client complaints; verify supplier invoices against purchase orders; compile weekly and monthly management reports; consolidate data for agency indicators; plan after-sales service (SAV) technician routes; handle SAV returns and quote follow-ups; schedule maintenance visits; prepare SAV quotes; manage file classification; answer client calls; manage contract cancellations; handle disputes; manage incoming and outgoing mail

Seniority

Junior to Mid-level, hands-on IC

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