Energy Engineer (f/m/d) 80-100%

We connect real and digital worlds in collaboration with our customers. Siemens is a technology leader that employs approximately 6000 people. Building technology, energy, mobility, healthcare and industry: our innovative solutions cover many fields and shape the world of tomorrow. Digital Service Center - Support for operation optimization and energy management: Are you convinced that through innovation and passion, we can not only improve our customers' buildings and facilities, but also make a sustainable and positive contribution to our environment? Our supportive team spirit, open and honest exchange, as well as partnership-based collaboration with our customers lead us to success. We implement the most recent and cutting-edge technologies to continuously improve the performance of buildings and facilities. In this way, we not only reduce costs for our customers, but we also actively protect our environment. Join us on this successful path as an Energy Engineer (f/m/d) from 01.09.2026 or according to your availability, and become an essential member of our team, which you will support from the Renens VD site, where your team is looking forward to welcoming you! Your new tasks • Coordinate and perform performance analyses as well as optimize HVAC installations, during site visits and via remote access • Monitor and report the performance of buildings and facilities • Calculate and evaluate the impact of proposed measures, particularly on costs, energy consumption and CO2 emissions • Lead large-scale optimization projects • Be the hub and the contact person for digital services in the field of sustainability in French-speaking Switzerland • Communicate skillfully with customers, subcontractors, building managers and internal interlocutors Your talents and your experience • Higher professional education in the field of building technology, energy or related field, with at least a degree ES, a HES being an asset • Experience and solid knowledge in the field of building technology, its operation and its optimization, an asset • Ability to communicate in a structured and clear manner in order to advise and accompany our customers in their technical challenges • Committed, autonomous and communicative personality, with a strong interest in taking on challenges • Excellent command of French, as well as German or English Your advantages • 2 to 3 days/week of mobile work by default • Discounted public transport subscription and free parking • Numerous opportunities for development and continuous training • Access to employee share ownership plans • Find all the advantages here Our corporate culture - your new working environment The culture of Siemens Switzerland is much more than just a working environment: it is at the heart of our daily collaboration and the key to our success. Siemens Switzerland offers a future-oriented working environment, giving prominence to innovation, sustainable development and personal fulfillment. We distinguish ourselves by our individual responsibility, equal opportunities and diversity, which allow every employee to invest themselves authentically. We implement flexible working models and mobile work to enable our staff to find a balance between professional and private life. Find more information and discover with our culture quiz if you are a fit for Siemens! *"Siemens is synonymous with quality, innovation and sustainability! I fully identify with these values." (Process Manager)* News and stories Discover for yourself how much technological innovations can already transform our lives. If you want to learn more about the projects that can be implemented using Siemens technology, you will find some current examples here. Frequently asked questions and your contact person You will find here a summary of frequently asked questions as well as the possibility to contact us directly. I look forward to receiving your application! Alina Talent Acquisition Partner Your journey to Siemens - How we hire Information concerning personnel placement: for this position, Siemens Switzerland does not accept applications from personnel placement. Thank you for your understanding.