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Voltfang

Elektroniker:in für Energie- und Gebäudetechnik (m/w/d)

Become an Electronics Technician for Energy and Building Technology at Voltfang in Aachen, Germany. Focus on the installation and commissioning of battery storage systems, integrating them with existing photovoltaic systems. Enjoy a permanent contract, 30 vacation days, and flexible working hours.
Voltfang
Voltfang Aachen, Germany Hybrid Full time UTC+01:00

Voltfang

Company Overview

Voltfang

Aachen, Germany

2020

Approximately 80 employees (as of mid-2025) (source: nrwglobalbusiness.com). Revenue data is not publicly available as Voltfang is a private company.

What They Do

Voltfang specializes in developing high-performance storage systems for the second life of batteries. The company recycles lithium-ion batteries from electric vehicles, which typically use NMC chemistry and retain over 80% of their capacity, to create stationary units for commercial, industrial, and grid-connected applications (source: nrwglobalbusiness.com). Key products include the modular Voltfang 2 series, which encompasses systems from 33 kWh to 644 kWh, as well as scalable commercial units from 50 kWh to 1 MWh. The grid-connected Voltfang 2 Plus GS systems are available in 20- and 40-foot containers with a capacity of 3.2 to 6.35 MWh (source: pv-magazine.com). Each system integrates the proprietary, AI-driven energy management software Venma, which enables cell-level monitoring, self-consumption optimization, and energy trading (source: eu-startups.com).

Projects & Track Record

By early 2024, Voltfang had installed over 800 kWh, scaling to 5 MWh in 2023 and 20 MWh in 2024. The company plans to realize an additional 250 MWh across Europe by the end of 2026 and to reach a capacity of 1 GWh by 2030 (source: siliconrepublic.com). Notable projects include installations at customers such as Aldi Nord, Alba Group, and Fiege Logistik, integrated with PV systems and charging stations to enhance grid stability (source: pv-magazine.com). Current large-scale projects include planning and operating grid-connected systems in collaboration with Palladio Partners (source: electrive.com).

Recent Developments

In June 2025, Voltfang completed a Series B funding round of 15 million euros to finance the Voltfang Future Fab and the 250 MWh rollout by 2026 (source: eu-startups.com). Previously, a seed round of 5.2 million euros took place in the summer of 2024 (source: siliconrepublic.com). In August 2023, the new outdoor storage system was unveiled, suitable for various applications (source: pv-magazine.com).

Working at Voltfang

Voltfang is hiring in various areas, including engineering, production, project management, and sales. Proximity to RWTH Aachen allows the company to attract and nurture talent (source: siliconrepublic.com). The company culture emphasizes rapid growth and societal impact through the transition to sustainable energy (source: nrwglobalbusiness.com). Open positions focus on the headquarters in Aachen and the new Future Fab locations (source: eu-startups.com).

Last updated on 2026-02-23 | Report an issue

Stellenbeschreibung

Bei Voltfang realisieren wir innovative Batteriespeicherlösungen für eine nachhaltige Energieversorgung. Als Elektroniker:in für Energie- und Gebäudetechnik mit Schwerpunkt Batteriespeicher übernimmst du die Installation, Inbetriebnahme und Prüfung unserer Systeme, von der fachgerechten Verkabelung über die Integration in bestehende Photovoltaikanlagen bis hin zur Übergabe an unsere Kund:innen. Vor Ort brauchen wir eine Ansprechperson, die den zuverlässigen und effizienten Betrieb der Anlagen sicherstellt und genau hier kommst du ins Spiel.

  • Installation, Wartung und Inbetriebnahme von Batteriespeicheranlagen (z. B. Lithium-Ionen-Batterien) in privaten und gewerblichen Gebäuden
  • Integration von Batteriespeichern in bestehende Photovoltaikanlagen zur Optimierung der Energieeffizienz und Eigenstromnutzung
  • Installation und Programmierung von Systemen zur Energiespeicherung und -verwaltung (z. B. Smart Grid, Battery-Management-Systeme)
  • Fehlerdiagnose und Behebung von Störungen an Batteriespeicher- und Solaranlagen
  • Durchführung von Messungen und Prüfungen an elektrischen Anlagen und Batteriespeicherlösungen
  • Beratung und Betreuung unserer Kunden in Bezug auf die Nutzung von Batteriespeichern und nachhaltiger Energieversorgung
  • Zusammenarbeit mit anderen Gewerken und Koordination von Projekten zur Implementierung von Batteriespeichern
  • Dokumentation der durchgeführten Arbeiten und Erstellung von Prüfberichten

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About the role

December 26, 2025

Full time

Company

March 5, 2026

Hybrid

Energy Storage

Voltfang

voltfang.de

  •  Aachen, Germany

Abgeschlossene Ausbildung und relevante Erfahrung

UTC+01:00

Tags

Photovoltaics · Energy Storage

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