1KOMMA5° pursues the vision: Living on wind and sunlight forever for free. With Heartbeat AI we are building the energy system of the future. We connect regional craft businesses with scalable software, integrating solar, battery storage, heat pumps and e-mobility into one intelligent overall system. By 2030 we aim to switch 1.5 million households to renewables – over 3,000 employees at more than 80 locations worldwide are driving this mission.

Your tasks

Technical planning and visualization of PV systems and heat pump installations using modern software tools
Heat load calculations for optimal heat pump sizing in existing and new buildings
Preparation of technical documentation for project execution and quotation
Support in grid-connection planning for PV and heat pump systems
Close collaboration with expert teams for holistic energy planning

Your profile

Enrolled at a German university, 15–20 h/week or alternatively as a mini-job
Studies in technical, energy economics or engineering disciplines or strong interest in PV, heat pumps and the energy transition
First experience in technical planning is an advantage but not mandatory
Confident use of MS Office and openness to new tools
Hands-on mentality, teamwork skills and enthusiasm for sustainability

We offer

Active participation in the energy and mobility transition
Transparent communication, short decision paths and a permanent contract with attractive remuneration
Healthy workplace and Wellpass fitness programme
Elephant learning platform, safety training and 30 days holiday
Modern equipment, company clothing, fruit basket, capital-forming benefits and further perks

Working Student (m/f/d) Technical Planning Photovoltaics & Heat Pump - 1KOMMA5° Riederich

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