Implenia Schweiz AG
Onex-Genève
Administrative Assistant Construction Sector (m/f/x) 50%-60%
- 28 July 2026
- 50 – 60%
- Onex-Genève
Job summary
Join Implenia, a leader in construction and real estate in Switzerland. Enjoy a collaborative environment with great benefits.
Tasks
- Provide daily administrative support to the team.
- Assist in preparing commercial offers and documentation.
- Manage invoices and ensure adherence to internal procedures.
Skills
- Experience in the Swiss construction sector is essential.
- Strong communication skills, both written and verbal.
- Proficient in office software and administrative tasks.
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About the job
As a leading service provider in the construction and real estate sector in Switzerland, Implenia develops, realises and manages living spaces, work environments and infrastructures for future generations in Switzerland and Germany. Implenia also offers tunnel construction projects and related infrastructure 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 full-time equivalents across Europe and achieved a turnover of 3.5 billion Swiss francs in 2025. For more information, visit implenia.com .
Our building service located in Geneva (Onex) is looking to recruit an assistant at 50% or 60%
Responsibilities
- Daily administrative support to the department
- Daily commercial support in preparing offers
- Drafting correspondence
- Preparing tender dossiers
- Managing debtor/creditor invoices
- Compliance with and application of internal procedures
- Event organisation
You bring
- Good knowledge of the construction sector in Switzerland
- Methodical and autonomous
- Commercial employee training or higher
- Flexibility, service orientation, stress resistance
- Proven experience in assistance with administrative and financial matters
- Excellent office software skills
- Excellent oral and written communication skills
- A minimum of 5 years’ experience in a similar position is required
What we offer you:
- A multicultural working environment with the opportunity to help shape a sustainable future
- State-of-the-art technologies and a modern workplace within a sustainable company
- A company that encourages talent and continuous training of its employees
- The security of a financially solid, widely diversified group strongly anchored in Switzerland
- Flexible working models and modern work tools with the possibility of remote work
- An attractive selection of benefits:
- 5 weeks’ holiday and 9 compensatory days per year
- An internal pension fund with a very good coverage rate and 3 contribution levels
- Many discounts with renowned product and service providers
- Our team members share in video what makes their experience at Implenia unique: https://youtu.be/wtuhlIfjJq8
If you identify with this description and wish to join Implenia, we look forward to receiving your application.
At Implenia, we value 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 intermediaries. Any application sent through these channels will not be considered and does not constitute any commitment on our part.
