Senior Test Engineer (m/w/d)

About Us

At ithinx, we combine over 100 years of company tradition with the innovative power of a startup. As a subsidiary of the international Viessmann Climate Solutions, we develop connectivity solutions in agile teams in Cologne and Duisburg, combining individual IoT solutions with the experience of successful and proven series systems. This makes us a creative part of our customers' digital transformation.

Founded in May 2016, we operate at the Cologne and Duisburg locations. Viessmann Climate Solutions, in turn, is part of Carrier Global Corporation, the leading provider of healthy, safe, sustainable, and intelligent building and cold chain solutions.

Build a Career with Confidence

To strengthen our team, we are looking for a Senior Test Engineer (m/f/d) on a permanent, full-time basis. Help shape the quality of modern firmware products from the ground up – in an agile team that relies on the latest technologies, automated test processes, and the highest reliability. Look forward to varied challenges, real design opportunities, and development prospects up to team leadership.

Location of choice (hybrid): Cologne or Duisburg

Responsibilities

As a Senior Test Engineer (m/f/d), you will be responsible for:

• Independent planning and implementation of automated test environments for verifying the specified requirements of our systems.
• Configuration and commissioning of complex test stands, integrating common debug and communication interfaces.
• Integration of automated tests into the existing development pipeline for continuous quality assurance.
• Holistic system assurance, including conformity and interoperability tests, to ensure the smooth interaction of wireless, wired, and multimedia interfaces and control signals.
• Analysis of complex error scenarios, documentation of results, and consultation with development teams to optimize product quality.

Requirements

You work independently, structured, and analytically with an innovative spirit, and are also team-oriented and communicative. You are open to new technologies and methods and are characterized by a high quality awareness. Furthermore, you ideally bring:

• Completed studies in Electrical Engineering & Information Technology, Communications Engineering, Technical Computer Science, or a comparable field.
• At least three years of relevant professional experience in test automation (ideally with Python/pytest/Robot Framework) and in-depth knowledge of verifying embedded interfaces and bus systems (e.g., SPI, I2C, UART, CAN) and common radio protocols (e.g., ZigBee, Thread, WLAN, BLE, and LTE).
• Confident setup and operation of complex Hardware-in-the-Loop (HiL) environments, including the secure use of laboratory measuring equipment (e.g., oscilloscopes, spectrum analyzers) and protocol analysis tools like Wireshark.
• Practical experience in integrating tests into modern DevOps pipelines (Jenkins, GitHub/GitLab, Docker) and the ability to strategically plan test processes considering efficiency, cost, and time aspects.
• Fluent German and English language skills.

Our Offer

• Work Climate: Permanent position in a successful family company where new technologies meet a modern workplace culture.
• Development: Our Viessmann Academy and external partners offer numerous professional and personal development opportunities.
• Retirement: Think about the future now and benefit from our company pension scheme.
• Attractive mobility offers through partnerships (e.g., Job Bike) that benefit the environment and your wallet.
• Vacation: At Viessmann Climate Solutions, you get 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 they belong and where diversity and inclusion are the engine for growth and innovation. We offer enriching career opportunities, listen to our employees' feedback, and constantly challenge ourselves to improve. That's "The Carrier Way".

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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