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Carrier

System Engineer – Battery System Power Electronics

Carrier

. System design and specification of power electronic components (inverters, DC/DC converters, power supplies) for battery systems .

Posted 4/21/2026full-timeAllendorf • 🇩🇪 GermanyMid-LevelSeniorWebsite

About the role

Key responsibilities & impact
  • System design and specification of power electronic components (inverters, DC/DC converters, power supplies) for battery systems
  • Definition of requirements and interfaces between the battery, BMS and power electronics
  • Responsibility for the integration of power electronics into the overall system, taking into account efficiency, thermal behavior and system performance
  • Close collaboration and technical coordination with hardware, software and system teams to implement the system architecture
  • Definition and supervision of verification and validation activities for power electronic components
  • Analysis of faults and performance deviations and derivation of optimization measures
  • Consideration and implementation of requirements related to grid connection (e.g., grid codes, grid integration, compliance)

Requirements

What you’ll need
  • Degree in engineering (e.g., Electrical Engineering, Power Engineering, Power Electronics) or equivalent qualification
  • Experience in power electronics, particularly with inverter and/or DC/DC systems
  • Good understanding of electrical systems, switching concepts and control strategies
  • Experience in the design and integration of power electronic components
  • Knowledge of thermal design and efficiency optimization
  • Ideally, experience in the context of battery systems or energy systems
  • Structured and analytical way of working and a strong system understanding
  • Strong communication skills and enjoyment of interdisciplinary collaboration
  • Fluent German and English, both written and spoken

Benefits

Comp & perks
  • Exciting area of responsibility: Participate in sustainable innovations driving the energy transition
  • Work environment: Permanent employment in a successful family-owned company where new technologies meet a modern workplace culture
  • Development: Our Viessmann Academy and external partners offer numerous technical and personal development opportunities
  • Health: Our health program for employees and their families promotes well-being
  • Retirement provision: Plan ahead and benefit from our company pension scheme
  • Attractive mobility offers through partnerships (e.g., job bike) that are good for the environment and your wallet
  • Vacation: At Viessmann Climate Solutions, you receive 30 days of paid vacation per year

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
power electronicsinvertersDC/DC converterspower suppliessystem designthermal designefficiency optimizationfault analysisverification and validationcontrol strategies
Soft Skills
strong communication skillsinterdisciplinary collaborationstructured workinganalytical thinkingsystem understanding
Certifications
degree in engineeringElectrical EngineeringPower EngineeringPower Electronics