Calculator HVAC (m/f/d) - Focus on Modernization
Implenia Schweiz AG
Opfikon
Key information
- Publication date:30 October 2025
- Workload:100%
- Place of work:Opfikon
As a leading Swiss construction and real estate service provider, Implenia develops, realizes, and manages living spaces, work environments, and infrastructure for future generations in Switzerland and Germany. Additionally, Implenia offers tunnel construction and related infrastructure projects in other markets. The company combines expertise from highly qualified consulting, development, planning, and execution units under one roof into an integrated, multinational leading construction and real estate service provider, employing around 9,000 people across Europe. More information at implenia.com
For our calculation team in the modernization sector, we are looking for you as a committed and proactive personality for construction cost planning in the HVAC field. You calculate demanding general contractor/subcontractor projects within the scope of renovations and conversions and work closely with the execution team, subcontractors, and specialist planners. Your workplace is our headquarters "Connect" in Opfikon .
What you will do
- Independent calculation of HVAC trades for general contractor/subcontractor offers based on tender documents, specifications, and contractor offers
- Analysis of technical requirements, development of economical variants and special proposals
- Obtaining and comparing subcontractor and supplier offers as well as technical clarifications with specialist planners
- Preparation of cost estimates, profitability calculations
- Preparation and support of award negotiations as well as presentation of offers to customers
- Active participation in the further development of calculation processes with the aim of increasing the efficiency of methods – for example, through the automated generation of BKP structures using a database to better validate own calculations
- Active follow-up of implemented projects as well as building a database to further develop Implenia's key figures database
What you bring
- Completed training in building technology (HVAC) or construction, ideally supplemented by further education as a technician HF or construction economist
- Professional experience in the calculation of HVAC projects or general contractor/subcontractor projects, preferably in the modernization environment
- Knowledge of Swiss standards (SIA, SWKI) and experience with tenders and submissions
- Confident handling of calculation software and MS Office
- Structured, independent, and conscientious working style as well as a strong affinity for numbers
- Teamwork skills, communication strength, and enjoyment of interdisciplinary collaboration
What we offer you
- A multicultural working environment with the chance to help shape a livable future
- State-of-the-art technologies and a modern workplace at a sustainable company
- A company that promotes talents and the further education of its employees
- The security of a financially healthy, broadly positioned group with strong roots in Switzerland
- An exciting selection of benefits:
- 5 weeks of vacation and 9 paid bridge days
- an in-house pension fund with a very good coverage ratio and 3 contribution levels
- numerous discounts on well-known providers of products and services
Why our employees like to work with us, they tell you themselves in the following video: https://youtu.be/wtuhlIfjJq8
Could this position interest you? If yes, apply today via this advertisement! We look forward to getting to know you.
At Implenia, we value and live diversity. Our recruitment process is therefore focused on promoting diversity, equality, and inclusion.
*We kindly ask recruiters not to submit unsolicited resumes. All submissions will not be considered and do not constitute any obligation.
Questions?
Martina Popovic, Talent Acquisition Partner Division Buildings, will be happy to answer your questions by email: martina.popovic@implenia.com.