Thônex
HVAC-R Design Engineer – 80% / 100% - Permanent Contract
- 29 October 2026
- 80 – 100%
- Permanent position
About the job
As part of the development of our activities, CGC Energie SA is looking for an HVAC-R Design Engineer to strengthen its Maintenance Works department.
A company active in the field of building technical installations, CGC Energie SA supports its clients in the design, realisation, operation and optimisation of their energy installations.
HVAC-R Design Engineer – 80% / 100% - Permanent Contract
Location: Thônex, 1226 (5 min TPG, 10 min Leman Express)
Start: immediate or to be agreed
Benefits: Additional accident coverage and advantageous occupational pension plan
Daily: Company vehicle
Your Mission
Under the responsibility of the Head of Works of the Maintenance department, you will be involved in all phases of HVAC-R project studies, from needs analysis to support during their realisation. As a true technical reference, you ensure the link between client needs, solution design and their implementation on site.
Studies and design (SIA Phases 1, 2 and 31 to 33)
- Analyse client needs, specifications and technical constraints;
- Design and size HVAC-R installations;
- Perform or check technical calculations: thermal balances, flow rates, power, pressure losses, hydraulic and air networks;
- Develop and check principle diagrams, plans and technical documents;
- Study variants to optimise energy performance, costs and operation of installations;
- Ensure the technical feasibility of solutions in collaboration with works and operations teams.
Costing and offers
- Carry out measurements, estimates and costings;
- Consult suppliers and subcontractors and analyse their proposals;
- Participate in the preparation of technical and commercial offers;
- Search for variants and optimisations to improve the relevance and competitiveness of offers;
- Participate, when necessary, in the fine-tuning and negotiation phases.
Project follow-up and client relations
- Be the technical contact for clients, representatives and partners;
- Advise clients and propose solutions adapted to their needs and constraints;
- Identify and coordinate the authorisations and administrative procedures necessary for projects;
- Ensure effective transmission of information to the teams responsible for realisation;
- Provide your technical expertise during the execution of works and contribute to resolving encountered issues.
Quality, compliance and safety
- Ensure compliance with applicable standards, prescriptions and regulations;
- Integrate quality, safety and energy efficiency requirements from the design stage;
- Identify risks and technical constraints and propose appropriate measures;
- Participate in the continuous improvement of working methods and service quality.
Your Profile
- HES engineer diploma, EPF or equivalent training in climate engineering, thermal, energy or HVAC;
- Minimum 5 years’ experience in HVAC studies in Switzerland;
- Strong knowledge in heating, ventilation, air conditioning and hydraulics;
- Good knowledge in air treatment, thermal balances and building physics;
- Knowledge of building regulation and technical management;
- Good command of applicable Swiss standards and prescriptions as well as SIA service phases;
- Knowledge of Revit and/or AutoCAD is an asset;
- Experience in execution or supervision of works is also an advantage.
We look forward to receiving your application (CV, diplomas, work certificates) via the Jobup.ch platform.