Location Assistance / Project Assistance (m/f/d)

About the job

80-100% | Start: June 2026 | Location Zurich

Are you a proactive all-rounder with organizational talent and enjoy taking responsibility? Do you like working in a structured way and keeping everything together even in a dynamic project environment? Then this position could be just right for you: You are the face and heart of our location in Zurich and at the same time a reliable support for management and project leadership.

Who we are

Willers is an established Swiss family business with around 120 employees at five locations (Rheinfelden, Bern, Zurich, Wroclaw, and Freiburg im Breisgau). Since 1989, we have stood for solid expertise in building technology.

Today, we take overall management of construction projects with a high technical component and offer general planning at the highest level. Our focus areas are Life Sciences, Data Center, Workspace, Healthcare, and Energy Centers – with exciting projects that make engineers' hearts beat faster.

Your role

In this versatile role, you take on the following key areas of responsibility:

Location & Office Management: You are the face and heart of our location in Zurich and shape the first impression as well as the daily well-being of the team. You warmly welcome our guests and ensure a smooth office day – from mail, materials, and infrastructure to small errands. With your eye for detail, you create a structured and inviting working environment.

Project and Management Assistance: You support our project managers in daily business and acquisition. This includes preparing presentations and minutes as well as assisting with pre-qualifications, competitions, and offers. You use modern tools – especially collaboration platforms and AI-supported applications – efficiently. In addition, you take on financial administrative tasks such as invoicing, checking incoming payments, master data maintenance, and simple evaluations.

People & Culture: You support onboarding of new employees and contribute to the planning and implementation of internal events, team occasions, and initiatives for the further development of the location.

What you bring

• Education: Commercial basic training
• Experience: At least 2–5 years of experience in an assistant role, including experience in financial administrative tasks (ideally in project assistance)
• Personality: You work independently and proactively with a solution-oriented attitude. You have a high quality awareness and a keen eye for detail. You enjoy working in a technical environment and appreciate collaboration with different contacts. Thanks to your empathy and your sense for people, you contribute to a pleasant and supportive working environment.
• Technology skills: Very good MS Office skills and affinity for new digital tools
• Language skills: Confident German in spoken and written form, English skills are an advantage

What we offer you

• Responsibility & scope for design: You take on a central, meaningful role with high visibility and receive a lot of trust and freedom in shaping your tasks.
• Further education: Learning is a lifelong process. With us, you learn in challenging projects, interdisciplinary knowledge exchange, thanks to tailored internal and renowned external training.
• Modern working environment: Our offices are great places to develop ideas together as a team. You can get an impression in the video .
• Familiness: We have a great team spirit characterized by openness, helpfulness, and humor.

Then join our team! We look forward to getting to know you and shaping the future together.

Your contact

Tanja Bachmann, Juchstrasse 7, 8048 Zurich
+41 44 303 22 08 |

J. Willers Engineering AG
Rheinfelden Bern Zurich Wroclaw Freiburg im Breisgau
T +41 44 303 20 30 |