1&1 | Germany | 40xxx Düsseldorf | Student job | Part time - flexible / Home office | Published since: 20.02.2026 on stepstone.de
Working Student Energy Management (m/f/d)
1&1 is one of the leading telecommunications providers in Germany with over 3,100 employees and nearly 16 million customer contracts. With pioneering spirit, unusual ideas and creative teams, we have won a leading market position in mobile and broadband connections. By combining the over 67,000 km long 1&1 fiber optic network and regional networks, we create Germany's most extensive fiber optic network. We also build the most modern 5G network in Europe, based on the new Open-RAN technology. With open interfaces and 5G functions in a powerful cloud infrastructure. Continue the 1&1 success story. Be part of 1&1. .
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Your tasks • Your profile • What we offer
As a working student (w/m/d) in the field of energy management, you support our Strategic Deployment Team in the organization, analysis and optimization of energy-relevant processes for our mobile sites. You will get exciting insights into the operational implementation and further development of one of the key topics in network development. We occupy this position at our location in Düsseldorf. You work closely with internal departments and external service providers and take early responsibility for your own tasks: Support for the collection and documentation of energy-relevant development costs Assignment and maintenance of location data and audit support Validation of invoices and consumption data Working with the organization and management of SmartMeter processes Support in the analysis and optimization of existing processes Participation in the automation and further development of processes in energy management
enrolled studies, ideally in the fields of business, technology, energy, economic engineering or comparable Safe handling of MS Office, especially Excel Structured, careful and independent operation Analytical thinkability and high reliability Good communication skills and team spirit Interest in technical, organisational and energy-economic contexts
- Attractive salary
- Strong community of team players
- Working hours of confidence with flexible classification and the possibility of working up to 40% mobile
- Numerous training options on- and offline
- Discounts on 1&1 products and for various leisure activities
- In-house restaurant
- Free drinks and fresh fruit
- Jobrad grant
Location
 | 1&1 | |
| 40457 Düsseldorf | ||
| Germany |
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