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Infineon Technologies · Singapore

# Principal Engineer - GaN Epitaxy Development

Singapore Senior individual contributor Finance & Accounting 

Listed on Infineon Technologies’s official careers site. Posted July 8, 2026. Check that it is still open and apply there.
[Apply on Infineon Technologies’s careers site →](https://jobs.infineon.com/careers/job/563808971509568)

[OpenNash Jobs](https://jobs.opennash.com/) / [Infineon Technologies](https://jobs.opennash.com/companies/infineon-technologies/) / Principal Engineer - GaN Epitaxy Development

## Job description

#WeAreIn for jobs that impact everyone's life. Join the thinkers, builders, and problem-solvers behind tomorrow’s technology. As a GaN Epitaxy Development Engineer on our Research & Development team, you'll have the opportunity to merge creativity with your technical expertise by shaping the future of technology, driving groundbreaking projects, and bringing new ideas to life. Are you in? Your Role Key responsibilities in your new role Epitaxial Growth & Recipe Development
- Design GaN epitaxial structures (e.g., buffer layers, superlattices, andHEMT structures) based on specific device performance targets
- Direct hands-on MOCVD (Metal-Organic Chemical Vapor Deposition) recipeoptimization

### Process Integration & Manufacturability
- Transition new epitaxial processes from R&D into high-yield, high-volumemanufacturing
- Address manufacturability hurdles like defect density, wafer stress, andlayer uniformity

### Data Analytics & Metrology
- Utilize Design of Experiments (DOE) and Statistical Process Control(SPC) to monitor and improve processes
- Analyze characterization data using techniques like SEM, TEM, AFM, andXRD to correlate material properties to final device performance

### Strategic Leadership & Cross-Functional Work
- Influence long-term product technology roadmaps and advise management onmaterial and equipment investments
- Act as a mentor to junior and senior engineers, establishing technicalbest practices across the team
- Collaborate with device, process integration, and failure analysis teamsto rapidly resolve issues. Your Profile Qualifications and skills to help you succeed Education

### Minimum
- Master’s degree in Materials Science, Physics, Electrical Engineering, or Chemical Engineering

### Preferred
- Ph.D. in a relevant physical science or microelectronics discipline Experience

### Industry Experience
- Typically 7+ to 15+ years of hands-on semiconductor R&D and manufacturing experience, with a strong focus on III-V hetero-epitaxy and GaN growth

### MOCVD Expertise
- Deep understanding of Metal-Organic Chemical Vapour Deposition (MOCVD) reactors (e.g., Aixtron, Veeco platforms) and process optimisation for GaN-on-Silicon or GaN-on-Sapphire applications

### Scale-Up Success
- Proven track record of taking epitaxial processes from lab-scale R&D through pilot testing to high-volume manufacturing (HVM)

### Epitaxial Growth & Materials
- Mastery of designing GaN layer stacks and growth recipes (e.g., for power HEMTs, RF, or photonics)

### Advanced Characterization
- Strong practical knowledge of metrology and analytical tools like XRD, AFM, TEM, PL, Ellipsometry, and SIMS

### Data Analytics & Problem Solving
- Expertise in Statistical Process Control (SPC), Design of Experiments (DOE), and yield optimisation using software like JMP or data-science tools Leadership & Soft Skills

### Technical Authority
- Acts as the principal subject matter expert, influencing organizational strategy and product roadmaps

### Mentorship
- Ability to guide and mentor junior/staff engineers, fostering technical capability across the organization

### Collaboration
- Experience interfacing across global, cross-functional teams (e.g., device designers, fab process engineers, and commercial stakeholders).

### Contact

Sherlene Ong #WeAreIn for driving decarbonization and digitalization.

As a global leader in semiconductor solutions in power systems and IoT, Infineon enables game-changing solutions for green and efficient energy, clean and safe mobility, as well as smart and secure IoT. Together, we drive innovation and customer success, while caring for our people and empowering them to reach ambitious goals. Be a part of making life easier, safer and greener. Are you in? We are on a journey to create the best Infineon for everyone.

This means we embrace diversity and inclusion and welcome everyone for who they are. At Infineon, we offer a working environment characterized by trust, openness, respect and tolerance and are committed to give all applicants and employees equal opportunities. We base our recruiting decisions on the applicant´s experience and skills. Learn more about our various contact channels. Please let your recruiter know if they need to pay special attention to something in order to enable your participation in the interview process.

Click here for more information about Diversity & Inclusion at Infineon.

## At a glance
- Posted by the employer: Jul 8, 2026
- First seen by OpenNash: Oct 13, 2026
- Last checked: Oct 20, 2026
- Listed for: 104 days
- Location: Singapore[Apply on Infineon Technologies’s careers site →](https://jobs.infineon.com/careers/job/563808971509568)

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