About the role

Project Engineer developing IoT solutions for energy-efficient building operations. Engaging in customer projects and optimizing building performance through innovative technologies.

Responsibilities

As a Project Engineer – Building Services / Energy Systems | SaaS (m/f/d), your mission is to ensure our IoT solutions make buildings measurably more energy-efficient and sustainable.
You will support customer projects from implementation through to operational optimization.
Combine technical understanding with structured project management and play a key role in sustainably reducing CO₂ emissions in the building sector.
Learn to manage complex customer projects independently, supported by experienced colleagues.
Build solid expertise in building services, IoT systems and project management and develop into a sought-after expert at the interface of engineering, sustainability and customer relations.
Analyze operational building data, identify energy-saving opportunities and derive clear, actionable recommendations.

Completed degree in building services engineering, energy systems, mechanical engineering, supply engineering or a comparable technical qualification provides the foundation for this role.
Basic understanding of technical building equipment gained through internships, working student roles or initial professional experience — willingness to learn is more important than years of experience.
Strong ability to explain technical concepts clearly and to communicate at different levels, from technical teams to executive management.
Structured, solution-oriented approach with the ability to set priorities, work independently and proactively seek support when necessary.
Confident use of digital tools and willingness to quickly learn new systems such as IoT platforms, project management tools (Jira, Confluence) or energy management systems.
Fluent German and English (C1) spoken and written for effective communication with customers and the international team.

Make an impact: Your work helps reduce CO₂ emissions and makes buildings more sustainable and energy-efficient.
Mobile work: Shape your working day according to your needs – flexible working hours, a short core time and the freedom to work from our modern office in Cologne, remotely anywhere in Germany, or up to 10 days per year from another European country.
Long-term prospects: After the probationary period, we offer a permanent employment contract.
Feel-good offering: Recharge with 30 days of annual leave, and enjoy fresh organic fruit, regional coffee, free drinks and our monthly team breakfast for an everyday energy boost.
Professional development: We support you with tailored training opportunities to advance your career.
Tech stack: Modern work equipment of your choice – Microsoft or Apple – plus high-quality noise-cancelling headphones for focused work.
Mobility package: Always mobile – choose between the Germany public transport pass (Deutschland-Ticket) or a company bike (JobRad) for commuting or private use.
Financial security: Subsidies for capital-forming benefits (VWL) or company pension scheme (bAV).
#teamaedifion: Regular team events, working on an equal footing, active knowledge sharing and flat hierarchies foster strong collaboration and open communication in our team.
Dog-friendly office: Bring your dog – we welcome canine companions.