Prime21
Zürich
Office & Finance Manager | Executive Assistant (80-100%)
- 07 September 2026
- 80 – 100%
- Permanent position
- German (Fluent)
- Zürich
About the job
Do you feel at home both in finance and accounting as well as in office management? Do you value a responsible hub function with direct contact to the executive management and want to make a long-term impact in an established company?
HTR AG has been a successful engineering and consulting company in the field of building services engineering (HVAC) for over 30 years. With its experienced team, it accompanies demanding construction projects from the initial idea to successful implementation. For the modern company location in the heart of Zurich, we are exclusively recruiting on behalf of HTR AG a committed and versatile personality as Office & Finance Manager | Executive Assistant.
In this key position, you take responsibility for office management and ensure that administrative, financial, and personnel processes run efficiently and professionally. At the same time, you support the executive management in daily operations and make an important contribution to sustainable company success.
HTR AG has been a successful engineering and consulting company in the field of building services engineering (HVAC) for over 30 years. With its experienced team, it accompanies demanding construction projects from the initial idea to successful implementation. For the modern company location in the heart of Zurich, we are exclusively recruiting on behalf of HTR AG a committed and versatile personality as Office & Finance Manager | Executive Assistant.
In this key position, you take responsibility for office management and ensure that administrative, financial, and personnel processes run efficiently and professionally. At the same time, you support the executive management in daily operations and make an important contribution to sustainable company success.
Your Tasks
- Responsibility for accounts receivable and accounts payable management
- Responsibility for payment transactions and cash management
- Coordination and monitoring of financial processes
- Support of executive management in budget, finance, and controlling matters
- Preparation of all accounting documents up to the annual financial statements
- Assistance and support of executive management in organisational and administrative matters
- Scheduling and preparation and follow-up of meetings
- Support of the project team in administrative and organisational tasks
- Responsibility for reception and telephone switchboard
- Creation, processing, and editing of correspondence, documentation, and minutes
- Handling personnel administration from entry to exit
- Responsibility for payroll including payroll accounting, holiday and absence management, as well as contract management
Our Requirements
- Completed commercial training or a comparable qualification
- Experience in finance and accounting (accounts receivable, accounts payable, payment transactions and ideally cash management)
- Knowledge and experience in personnel administration and human resources are advantageous
- You have a flair for numbers, work analytically and precisely, and keep an overview even in hectic situations
- Confident use of MS Office
- Strong organisational skills, sense of responsibility, and an independent working style
- Very good German language skills, both spoken and written
- Discretion, initiative, as well as a professional and engaging manner
Your Prospects
- A versatile key position with great personal responsibility and direct exchange with executive management
- An established and successful company with over 30 years of experience in building services engineering
- A varied range of tasks with responsibility in finance, HR, and office management
- Short decision-making paths, flat hierarchies, and a collegial working environment
- Modern, very attractive office premises in a prime location in the heart of Zurich
- 40-hour week for a balanced work-life balance
- Healthy occupational pension scheme for your financial security
- Regular events for fun and team spirit
