Project & Finance Administrator 80%

06 May 2026
80%
Permanent position
Zürich

Job summary

Join adesso, a leader in IT and AI excellence, fostering growth.

Tasks

Manage project administration and monthly invoicing tasks.
Handle financial administration and assist in reporting.
Support general administrative duties at our Zurich office.

Skills

Commercial training and experience in finance or project admin.
Strong communication skills and teamwork mentality.
Proficient in MS Office, especially Excel, with ERP knowledge.

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About the job

adesso stands for IT excellence, AI excellence and thus also for excellent development opportunities for all adessi. We grow together and learn from each other – on our projects, in the team and with outstanding training offers. We have IT at heart, the industry in view, our customers' success in mind and the future with AI in sight. Because successful business arises from innovative ideas, future-proof strategies and clever IT solutions that are already AI-capable today. People who want to make a difference and simply get things done are always involved. We design and build software that excites our customers. In projects that challenge us. And that in an environment that is fun, where success is created together and everyone feels comfortable.

To strengthen our Corporate Service team, we are looking immediately or by arrangement for a reliable and committed Project & Finance Administrator 80% for our location in Zurich-Altstetten.

WHAT YOU CAN ACHIEVE

Project administration:

Order processing and monthly billing of our services
Management of customer contracts, project master data management, cost ceiling control

Financial administration:

Assistance in the preparation of monthly and quarterly financial statements
Recording of supplier invoices
Financial accounting; periodic account reconciliation, especially with payroll accounting
Assistance in controlling and preparation of financial reports

General tasks:

Administrative tasks; including reception, telephone together with the team at the Zurich site

HOW YOU SUCCEED

As a winning and trustworthy personality with a high service orientation, you appreciate communication and collaboration with various stakeholders? In addition to your responsibility for all administrative matters of the project administration of our external employees, you bring your pronounced flair for numbers, your analytical thinking and your structured and conscientious way of working in financial accounting. Do you also bring the following experience?

Commercial basic training (EFZ or other equivalent training)
Further training as an accounting clerk, or interest in completing this soon
Experience in financial accounting and/or project administration
Confident German and very good English skills
Solid knowledge of MS Office, especially Excel. ERP knowledge Abacus
Are you willing to work overtime in the first half of the month due to workload and compensate in the second half of the month and take your holidays?

Then you are right with us!

OPPORTUNITY PROVIDER - WHAT MAKES ADESSO SPECIAL

Our promise: You will feel comfortable with us! Collegial, communal and on equal footing – we live exchange, team spirit and respectful interaction. Diversity and different perspectives are valued just as much as you as a person. That and much more stands for our very special sense of togetherness. For which there is even a word: adessi.

Learn and grow with us: With over 400 training offers and our digital learning platform, we support your continuous development.
Experience true team spirit: Joint events (e.g. sports weekend and the annual eduCamp training trip), welcome days, company runs strengthen our cohesion and let you be part of the team from the start.
Commitment that is rewarded: Your effort pays off – with bonuses for referrals, presentations, supervision of theses as well as attractive discounts via our corporate benefits portal.

Our culture and collaboration are characterised by mutual appreciation, recognition and support. That connects us – also in the home office. Part-time work is possible by arrangement (80-100%). We have been named one of the best employers in Switzerland repeatedly! Our extensive training offer and a transparent career level model for all ensure that your development with us does not stand still. Because growing together and being an opportunity provider is programmed in our DNA.

Contact

You will like it with us! Apply now directly online including your salary expectations and earliest possible starting date.
adesso Schweiz AG // Recruiting // T +41 58 520 97 03 // career@adesso.ch