We are seeking an innovative and detail-oriented Hardware Test Engineer to join our team, focusing on the reliability testing and characterization of silicon photonic circuits. The ideal candidate will work at the forefront of silicon photonics technology, participating in product qualifications, developing test hardware and methodologies ensuring the reliability of cutting-edge photonic devices. This role offers an opportunity to collaborate with cross-functional teams between R&D, lab operations, and the characterization of next-generation photonic solutions.

Tasks

Main tasks

• Manage our existing setups for electrical testing of integrated photonic devices to ensure their reliability.
• Develop solutions to increase the capabilities and capacity of our reliability test facilities.
• Specify and design custom breakout boards to ensure flexible electrical connectivity across diverse test setups and their reconfigurability for various products.
• Define, design and order custom PCB substrates for silicon chip assembly in close collaboration with Packaging team.
• Execute functional and reliability (aging and robustness) tests, communicate their status, and ensure results quality and reproducibility.

Collaboration and support

• Select, purchase, and install new test instruments / equipment.
• Support testing operations by installing samples into test chambers, inspecting assembled photonic chips, and defining and executing calibration routines.
• Support operations by assisting in lab upgrades, reporting issues, routine maintenance of lab equipment, and conducting periodic checks to ensure consistent testing quality.
• Support automation and test method teams in debugging and implementing new electrical measurements in existing setups.
• Support R&D engineers in the development and execution of qualification plans for Lumiphase's photonics devices and in implementing the required hardware and software adaptations of the accelerated aging test setups.

Requirements

Education

• Technical education, Fachhochschule, university or applied university degree in Electrical engineering, Microsystems, Mechatronics, or similar field.
• This position is suitable also for recent graduates or early-career engineers.

Experience and Technical skills

• Python programming skills for developing new test routines, new instrument drivers and test sequence automation for tests execution and data collection.
• Experience in the use of PCB design tools.
• Hands-on attitude and passion for lab work.
• Practical experience in working in the lab environment, using electronic test equipment, and designing lab setups is a plus.

Soft skills

• Agile mindset to adapt to a dynamic deep-tech startup environment.
• Strong teamwork and communication skills in English (German is a plus).
• Motivation to familiarize yourself with integrated photonics and with semiconductor reliability methods.

Benefits

At Lumiphase, you'll be part of a fast-growing and dynamic work environment where you can really make an impact. Our team is filled with top-notch technical experts who are always eager to share their knowledge and learn together. We have a diverse group of people from all over the world, making for a truly inclusive and open-minded team.

We offer a variety of benefits to create a positive experience at work and enable a healthy and enjoyable work-life balance:

• ZVV (Zürich region) annual transport pass and Halbtax
• 2 extra weeks of parental leave
• Free yoga classes on-site
• Flexible hours and the option to work remotely
• On-site fitness room, canteen, top-quality coffee…
• Loads of fun team events, both in and out of the office

Our recruitment process consists of three stages:

1. A 30 min. phone interview to discuss your general career motivations, and present our company and this role.
2. A 1-1.5 hour phone interview with 1-2 members of the hiring team to deep dive into the core skills requirements.
3. An on-site visit to interview with and meet many members of the team that you would be working in. This often includes lunch and gives you a strong sense of the company culture and individuals.

Then, both parties take their decisions! We aim to complete all steps in one month, but also allow for modifications to ensure both sides have a full picture of the skills and culture match to take the decision in an informed way.

We built our company culture from day one, step by step, with the direct contribution of all our employees. Our culture finds its foundation in two core values:

• "Run, Don't Rush" emphasizes the importance of maintaining a steady, purposeful pace to achieve excellence without compromising quality.
• “It’s BTO: It's Better Together" highlights our commitment to teamwork and the belief that the only way to achieve our goals is by working in harmony and supporting each other.

At Lumiphase, we believe diversity strengthens our ability to achieve our mission. We are committed to fostering an inclusive environment where all individuals—regardless of race, ethnicity, gender, age, sexual orientation, physical ability, socio-economic background, or any other characteristic—feel valued, respected, and empowered.

Studies suggest that people from underrepresented groups, including women, often hesitate to apply unless they meet every listed qualification. If this role excites you but you’re not sure you check every box, we’d still love to hear from you. You might be just the person we’re looking for.