Sales Administration Assistant in professional English (M/F)

ADECCO LHHLoire-AtlantiqueEURESpublished 09/16/2026
Machine translation — original language: French.Show original

LHH Recruitment Solutions, a recruitment consulting, specialized temporary staffing, transition management, and expert assessment firm for executives and managers, is searching for its client for a Sales Administration/Commercial Assistant (M/F) in Guérande for a fixed-term contract (CDD) mission.

As part of a team reinforcement, we are looking for a Sales Administration (ADV) Assistant with a professional level of English to join a dynamic company.

Your missions. As a Sales Administration Assistant, you will ensure the administrative and commercial management of orders and the relationship with various internal and external stakeholders. In this capacity, you will notably be in charge of:

  • Receiving, registering, and processing customer orders;
  • Issuing, checking, and distributing documents related to orders;
  • Making necessary modifications to preparation slips and coordinating actions with logistics teams;
  • Managing invoicing, credit notes, and dispute processing;
  • Organizing shipments and selecting carriers;
  • Checking transport invoices, services, and commercial cooperations;
  • Ensuring the distribution and follow-up of promotional operations;
  • Performing telephone prospecting and commercial follow-up;
  • Developing reporting and activity statistics;
  • Ensuring payment follow-up and customer reminders;
  • Supporting commercial agencies on administrative aspects;
  • Welcoming customers and responding to their requests.

You will also participate in:

  • The preparation and follow-up of customer files;
  • The management and updating of contracts;
  • The processing of customer complaints;
  • The coordination of quality, safety, and traceability actions;
  • The continuous improvement of internal processes.

Profile:

  • Minimum Bac +2 education in management, commerce, or sales administration;
  • First successful experience in a similar position in ADV, commercial assistance, or sales administration;
  • Good mastery of office tools, especially Excel;
  • Professional English is imperative in order to communicate orally and in writing with international stakeholders;
  • Customer service orientation, rigor, organization, and team spirit;
  • Excellent interpersonal skills and the ability to manage multiple files simultaneously.