Assistant to the works management & secretariat

Ref 2581667 | Date: 29 Sept 2026 ARTA SA Our architecture office and general contracting company founded in 1976 and based in Crissier, is looking to strengthen its team with a/an: Assistant to the works management & secretariat We offer this versatile position which brings together very varied responsibilities: * Sending and following up on calls for tender requests to companies * Preparation and management of tender comparisons * Drafting and management of company contracts, contractual annexes and addenda * Preparation and management of company final accounts * Management of payments of company invoices and client payment vouchers * Preparation and follow-up of client, PPE and management audit files * Physical and telephone reception of visitors, clients and companies * Drafting of meeting minutes * Management of mail, office supplies and office events * Administrative support to project managers Autonomous and reliable, you are a person endowed with a good sense of organization and know how to manage priorities. You will be in direct contact with our works managers and will be required to dialogue with management, accounting, project managers and partner companies. You attach great importance to administrative rigor and the quality of file follow-up. Minimum requirements for the position: * CFC as a commercial employee or equivalent training * Proven experience in an administrative position within a general contracting company in Switzerland (works management and general contracting) * Good understanding of the administrative functioning of a construction site (tenders, contracts, addenda, invoices, final accounts) * Excellent command of IT tools, in particular Excel; Messerli is an asset * Excellent command of French, with very good writing skills * Keen sense of organization, autonomy, rigor and initiative * Versatility and excellent interpersonal skills, comfortable both with works management and with companies, mandatories and clients Activity rate / Start of contract: 60% to 100% / to be agreed Our company: As Arta is both an architecture office and a general contractor, we design and enhance our projects ourselves from A to Z. This position thus offers a very wide and varied spectrum of activities. You will follow the evolution of our achievements from the purchase of the land to the handing over of the keys to the clients. You will benefit from the dynamic and flexible working environment of an innovative and human-sized company. We also offer you the structure, supervision and organization of an experienced and renowned SME, active for several decades throughout French-speaking Switzerland. For more information about our company: [ ](< >) jpid78b8bc5jm jpit0940jm jpiy26jm