Test Engineer Battery System E2E (m/w/d)

About Us

Viessmann Climate Solutions, as part of Carrier Global Corporation, was founded in 1917 as a heating technology manufacturer and is today a leading global provider of efficient and systemic climate and renewable energy solutions for the residential and commercial sectors. We cover all applications: heating, cooling, ventilation, water and air quality, energy generation, and energy storage for the residential and building sectors.

Our integrated solution offering seamlessly connects products and systems via digital platforms and services to create a holistic climate and energy solution, thereby creating a safe and reliable feel-good climate for our users. All activities are based on our corporate mission statement "We create living spaces for future generations" and our employees play an active role in the energy transition with passion. Become part of this exciting journey.

Visit our website: Viessmann Climate Solutions | Viessmann Climate Solutions

Build a Career with Confidence

For our branch in Allendorf (suburb), we are looking for a Test Engineer Battery System E2E (m/f/d) for the validation of the entire battery system at system level. You will ensure that all components – from battery and BMS to power electronics and connectivity and customer interfaces – function reliably in interaction. You will test end-to-end along real use cases and ensure optimal system performance and user experience.

Responsibilities

• Planning, execution, and evaluation of E2E and system tests for battery systems (e.g., home storage).
• Validation of the interaction of all subsystems such as battery, BMS, inverter, HMI, and cloud connection.
• Testing of customer interfaces such as end-customer app, commissioning app, service tool, and local user interfaces (HMI).
• Execution of use-case-based tests along the entire product lifecycle (installation, commissioning, operation, service).
• Analysis, documentation, and tracking of system errors, as well as close coordination with the respective development teams.
• Ensuring system stability and performance under various operating and environmental conditions.
• Setup and further development of system test environments, as well as support for HiL/SiL approaches.

Requirements

• Completed engineering degree (e.g., Electrical Engineering, Computer Science, Mechatronics) or comparable qualification.
• Experience in E2E or system testing of complex, networked systems (e.g., energy systems, automotive, IoT products).
• Understanding of the interaction between hardware, software, and cloud systems.
• Ideally, experience with battery systems, inverters, or comparable energy systems, as well as communication protocols and interfaces (e.g., CAN, Ethernet, TCP/IP, WiFi).
• Structured, analytical, and independent way of working.
• High team and communication skills in an interdisciplinary environment.
• Fluent German and English skills, both written and spoken.

Our Offer

• Exciting area of responsibility: Participation in sustainable innovations in the field of energy transition.
• Work environment: Permanent position in a successful family company where new technologies meet a modern workplace culture.
• Development: Our Viessmann Academy and external partners offer numerous opportunities for professional and personal development.
• Health: We promote a healthy coexistence with our health program for employees and their families.
• Pension: Think about the future now and benefit from our company pension scheme.
• Attractive mobility offers through partnerships (e.g., Job Bike) that save the environment and your wallet.
• Vacation: At Viessmann Climate Solutions, you receive 30 days of paid vacation per year.

Our Commitment to You

Our greatest assets are the expertise, creativity, and passion of our employees. We do our best every day to be a great employer that attracts, develops, and retains top talent. We want to create an environment where people feel a sense of belonging and where diversity and inclusion are the drivers of growth and innovation. We offer enriching career opportunities, listen to our employees' feedback, and constantly challenge ourselves to improve. That's "The Carrier Way".

Come join us and make a difference!

Carrier is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

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