System Engineer – Battery System Power Electronics

Carrier

System Engineer focusing on battery power electronics integration for efficient renewable energy solutions. Collaborating with interdisciplinary teams to enhance system performance at Viessmann Climate Solutions.

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