Power Electronics Test Engineer - Hybrid Work & Equity

Hyperscale Power; Zürich; Hybrid; CHF 100,000 - 150,000; Full time

Benefits offered by this job

Equity

Competitive salary

Hybrid work

Job summary

Hyperscale Power in Zürich is seeking a Test Engineer to design and execute test plans for our power conversion systems, from prototype validation to production readiness. You will build test setups, run functional, stability, endurance and load tests, and collaborate with cross-functional teams to ensure quality.

This role offers hybrid work, opportunities to shape test strategy, and direct visibility to engineering leadership.

Qualifications

• BSc / MSc in electrical engineering or comparable education.
• 3+ years of experience in test engineering, ideally for power electronics or medium-voltage systems.
• Experience with medium-voltage high-power test setups and lab safety protocols.
• Familiarity with test automation and scripting (e.g. Python or similar).
• Understanding of power electronics test methods (efficiency, thermal, load and stability testing).
• Strong documentation and analytical skills.
• Team player, comfortable working hands-on in the lab with cross-functional teams.
• Language skills: fluent in English, German helpful, but not mandatory.

Responsibilities

• Design and execute test plans for AC/DC and DC/DC power conversion systems – functional tests, stability tests, endurance (soak) tests, and load tests.
• Build and maintain test setups for prototype, pilot and production units, including medium-voltage test benches.
• Support prototype validation and target-parameter verification (form factor, efficiency, stability).
• Support qualification testing for Alpha deployments – full target-parameter verification, certification test support, and release tests for volume delivery.
• Develop test automation scripts and tools to increase test coverage and reduce manual test effort.
• Collaborate with the Power Electronics, Firmware, EMC/Compliance and Mechanical teams to diagnose and root-cause test failures.
• Document test procedures, results and reports; maintain traceability for certification and quality purposes.
• Support the definition and specification of end-of-line (EOL) test equipment for volume production, working with our EOL test equipment vendor.
• Support field testing and diagnostics for units deployed at customer sites as needed.

Skills

Test automation

Python scripting

Power electronics

Lab safety

Documentation

Team collaboration

English fluent

Education

BSc / MSc in electrical engineering

Tools

None

Job description

Hyperscale Power in Zürich is seeking a Test Engineer to design and execute test plans for our power conversion systems, from prototype validation to production readiness. You will build test setups, run functional, stability, endurance and load tests, and collaborate with cross-functional teams to ensure quality.

This role offers hybrid work, opportunities to shape test strategy, and direct visibility to engineering leadership.