Administrative Assistant construction sector (m/f/x)

As a leading service provider in the field of construction and real estate in Switzerland, Implenia develops, realizes and manages living spaces, work environments and infrastructures for future generations in Switzerland and Germany. Implenia also offers tunnel construction projects and related infrastructures in other markets. The company brings together under one roof the expertise of highly qualified consulting, development, planning and execution units to form an integrated and leading multinational construction and real estate service provider. Based in Opfikon, near Zurich, Implenia employs more than 8 000 people (FTE) throughout Europe and achieved a turnover of 3.5 billion Swiss francs in 2025.  For more information, visit implenia.com.  Missions ### • Daily administrative support for the department • Daily commercial support in the preparation of offers • Drafting of correspondence • Preparation of tender documents • Management of accounts receivable / accounts payable • Compliance with and application of internal procedures • Event organization You bring ### • A good knowledge of the construction environment in Switzerland • Methodical and autonomous • Training as a commercial employee or higher • Flexibility, service orientation, stress resistance • Proven experience in assistance with administrative and financial subjects • Excellent office skills • Excellent oral and written communication • A minimum of 5 years of experience in a similar position is requested What we offer you: ### • A multicultural working environment with the possibility to contribute to shaping a sustainable future  • State-of-the-art technologies and a modern workplace within a sustainable company  • A company that encourages talent and the continuous training of its employees  • The security of a financially solid, widely diversified and strongly anchored group in Switzerland  • Flexible working models and modern working tools with the possibility of teleworking  • An interesting selection of benefits:  • 5 weeks of vacation and 9 compensatory days per year  • An internal pension fund with a very good coverage rate and 3 levels of contribution  • Many discounts from renowned providers of products and services  • Our team members share in video what makes their experience at Implenia unique: https://youtu.be/wtuhlIfjJq8  If you recognize yourself in this description and wish to join Implenia, we look forward to receiving your application.  At Implenia, we appreciate and live diversity. Our recruitment process is therefore focused on promoting diversity, equality and inclusion.   *We do not accept applications submitted by placement agencies or any other intermediary. Any application sent by this means will not be taken into account and does not constitute any commitment on our part.