Assistant - Commercial Administration and Invoicing

Location: Mont-sur-Lausanne Contract type: CDD - 100% then CDI - Assistant - Commercial Administration and Invoicing M/F (maternity leave replacement) Location: Mont-sur-Lausanne Contract type: CDD - 100% then CDI - 60% - 80% Start date: October 2026 About BMC: Founded in 1985, BMC Société de Services Informatiques SA is a Swiss company specializing in IT solutions for businesses. We support our clients in optimizing their business processes through reliable, high-performance solutions adapted to their needs. Editor of the Strategic software suite, BMC is recognized for its expertise in the development and integration of ERP management solutions. Our offer also extends to the fields of electronic document management (EDM), Business Intelligence (BI) as well as IT infrastructure and Datacenter. For more than 40 years, our commitment has been based on the quality of our products and services, proximity to our clients and the construction of lasting relationships based on trust. Our solutions today support more than 14'000 users within industrial, watchmaking, distribution, service, technical installation and transport companies. At BMC, we place our employees at the heart of our development. We promote a collaborative working environment, where expertise, knowledge sharing and skills development allow everyone to contribute actively to our collective success. Assistant - Commercial Administration and Invoicing M/F Job Description As part of a maternity leave replacement, we are looking for an Assistant in Commercial Administration & Invoicing at 100% for a duration of 4 to 6 months, with the possibility of continuing the collaboration at an activity rate between 60% and 80% depending on the company's needs. You ensure the smooth running of commercial administration by guaranteeing the follow-up of offers, client contracts and invoicing. You ensure the quality of information, respect for deadlines and the smooth running of administrative processes in collaboration with the commercial, technical and administrative teams. Responsibilities Commercial Administration Prepare commercial offers and ensure their administrative follow-up Prepare, create and update client contracts Ensure the follow-up of contractual modifications Guarantee the compliance and quality of administrative documents Invoicing Prepare invoicing for services, maintenance contracts, subscriptions and recurring services Verify the contractual elements necessary for reliable invoicing Ensure compliance with contractual conditions and deadlines Collaborate with internal teams to ensure efficient processing of files Administrative Management Ensure the entry, update and control of data in our Strategic ERP Participate in the continuous improvement of administrative processes Ensure the reception of visitors, telephone duty and administrative support to the various services Profile sought Education and experience CFC as a commercial employee or training deemed equivalent Proven experience in a commercial administration, contract management or invoicing function Experience in managing commercial offers, client contracts and complex invoicing processes, ideally in a B2B environment Experience using an ERP; knowledge of Strategic is an asset Skills You are an organized, rigorous and quality-oriented person. You appreciate environments where priorities evolve and know how to manage several files in parallel with method. You: Are recognized for your sense of organization and your rigor Know how to plan your work and respect deadlines Are autonomous, proactive and capable of taking initiatives Demonstrate precision and an excellent sense of detail Appreciate teamwork and maintain high-quality professional relationships Possess an excellent sense of service and clear and professional communication Knowledge Excellent command of French, both oral and written Good command of Microsoft Office tools Good skills in the use of IT tools and ability to quickly learn new software What we offer A 100% contract as part of a maternity leave replacement, with the possibility of continuing the collaboration at an activity rate between 60% and 80% depending on the company's needs. Joining BMC means joining a human-sized company that places commitment, collaboration and skills development at the heart of its culture. We encourage the evolution of our employees by promoting continuous training, knowledge sharing and the acquisition of new skills. Job conditions Workplace: Le Mont-sur-Lausanne Swiss nationality or holder of a B or C work permit We look forward to receiving your application and welcoming you to our team! jpidb220b65jm jpit0834jm jpiy26jm