Semiconductor Optoelectronic Design Engineer

Coherent Corp.; Stockholms kommun; On-site; SEK 900,000 - 1,200,000; Full time

Job summary

Coherent is seeking a Semiconductor Design Engineer in Järfälla, Sweden, to drive modeling, design and characterization of quantum-well lasers and modulators for next-generation photonic devices.

You will work across design, fabrication and product teams, translating theory into practical device concepts and validating them through modeling and laboratory verification.

Applicants should hold a PhD or MSc with 5+ years of relevant experience and be fluent in English.

Qualifications

• PhD or MSc with 5+ years of relevant experience in semiconductor devices, optoelectronic devices, semiconductor physics, and photonics engineering.
• Fluent in English, written and spoken.
• Experience with numerical modeling and simulation of semiconductor or optoelectronic devices.

Responsibilities

• Model and simulate advanced semiconductor optoelectronic devices, including quantum-well-based lasers and modulators.
• Develop numerical models to support device design optimization and performance prediction.
• Design dedicated test structures to extract critical material and device parameters.
• Define and develop test methods and characterization strategies for device verification.
• Analyze experimental results and feed findings back into the design process to enable continuous optimization.
• Contribute to next-generation device development.

Skills

Semiconductor devices

Optoelectronic devices

Semiconductor physics

Photonics engineering

Education

PhD or MSc with 5+ years in semiconductor photonics

Tools

Numerical modeling

Device simulation

Experimental characterization

Job description

Coherent is seeking a Semiconductor Design Engineer in Järfälla, Sweden, to drive modeling, design and characterization of quantum-well lasers and modulators for next-generation photonic devices.

You will work across design, fabrication and product teams, translating theory into practical device concepts and validating them through modeling and laboratory verification.

Applicants should hold a PhD or MSc with 5+ years of relevant experience and be fluent in English.