Technical Support Expert (f/m/d) - Energy Storage Systems (ESS)

IMPACT starts with us: As part of the European eMobility organization at Schneider eStar, you'll join the Technical Desk and Training team supporting our Electric Chargers, Energy Storage Systems, and Energy Management Charging solutions.

In this role as Technical Support Expert (f/m/d) - Energy Storage Systems (ESS), you will serve as the final escalation point for complex technical challenges across our ESS portfolio.

You'll ensure system reliability, drive customer satisfaction, and proactively prevent future issues by turning field insights into scalable improvements.

This position offers a unique opportunity to collaborate with international R&D teams and influence the evolution of our global service capability.

Apply today and become an IMPACT Maker at Schneider Electric!

All key information at a glance:



* When and where? ASAP in Frankfurt


* Duration: Unlimited


* Vacation: 30 days


* Weekly hours: 40


* Your contact person? Joshua Nann

Our Offer:



* Be part of a growing company with a positive industry reputation, who is a recognized leader in a market where energy services are in demand


* Join an entrepreneurial company with a positive corporate culture and strong team culture


* We offer a competitive salary and bonus opportunities with excellent benefits


* Develop different interests in the future? With Schneider Electric, you have all the development opportunities an international group can provide

Your IMPACT:



* Lead root cause analysis for escalated issues involving high power electronics, control logic, and embedded software-cause analysis for escalated issues involving high-power electronics, control logic, and embedded software


* Troubleshoot system level problems across PCS, BMS, and control units-level problems across PCS, BMS, and control units


* Diagnose integration issues with cloud platforms, EMS controllers, and third-party systems via LAN or Modbus-party systems via LAN or Modbus


* Serve as main technical bridge between European support teams and global R&D for ESS topics


* Ensure all support activities meet established SLAs


* Monitor ESS fleet performance to identify systemic issues early and prevent escalations


* Analyse support data to uncover recurring faults, trends, and improvement opportunities


* Act as ESS Subject Matter Expert by developing and maintaining technical documentation and Knowledge Base content


* Mentor L2 support engineers to strengthen team capability

Your Profil:



* Bachelor's degree in electrical engineering, power electronics, automation, or a related technical field


* Experience in L2/L3 technical support, field service, or engineering roles within ESS, PCS/inverter, or large-scale UPS environments


* Solid understanding of battery technologies, BMS logic, and AC/DC power conversion and familiarity with high-voltage DC systems and 400V AC grid integration


* Experience with industrial...