Administrative Assistant

06 March 2026
100%
Renens VD

Job summary

Join ISS as an Administrative Assistant, where teamwork thrives! Enjoy a supportive work environment with great benefits.

Tasks

Provide administrative support to the on-site manager.
Manage client requests and operational team scheduling.
Handle supplier invoices and contract documentation.

Skills

Must have a commercial education or similar experience.
Fluent in French (C1) and English (B1) required.
Proficient in MS Office and adaptable with strong client focus.

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About the job

Administrative Assistant

At ISS, we all call ourselves "Placemakers." Our goal is to provide our clients with the best possible environment and to ensure they feel comfortable at their workplace. Our 14,200 employees/placers have a high level of knowledge in services to meet the various needs of our clients. We carry them out according to the highest quality standards.

Your tasks:

- Administrative support to the site manager
- Monitoring and managing client requests
- Planning the operational work of the teams
- Processing and monitoring supplier invoices
- Preparing contracts and service sheets
- Modifying and monitoring contract amendments
- Preparing client offers in the management tool
- Entering hours and absences in the Time time management tool
- PPT/Excel support in presentations or tables

Your profile:

- Commercial training or similar experience (CFC, commercial maturity, etc.)
- Minimum 2 years of experience.
- French C1 minimum
- English B1 minimum
- Proficient in common IT tools (MS Office)
- Trustworthy, versatile, and autonomous person
- Helpful, strong customer orientation
- Flexible, available
- Available 100% for various replacements during the year

Ready for us? We are ready for you.
Every day at ISS Switzerland, we work to ensure that offices, laboratories, airports, production sites, train stations, schools, and hospitals function and are pleasant to live in. Our 14,200 employees create living spaces throughout Switzerland where more than a million people feel good and can thrive every day. ISS stands for innovation, quality of service, and direct relationships with clients.

As an employer, we rely on fair employment conditions, equal pay for work of equal value, and secure jobs. For us, respect is more than a promise – it is reflected in our five programs and in more than 200 training and development opportunities. Because those who take on responsibilities must also offer prospects – and without us, many things would not work.