Epitaxy Engineer – Semiconductor Devices

AlpSemi; Grenoble; Hybrid; EUR 55,000 - 85,000; Full time

Job summary

AlpSemi is seeking an experienced WBGEpitaxyEngineer to support the development of semiconductor devices. You will join the advanced materials team to develop epitaxy processes, work closely with process engineering and device teams, and contribute to optimization, documentation, and IP development.

Based in Grenoble, the role requires independent problem-solving and collaboration across disciplines. The ideal candidate has a strong background in materials science or physics, 3–5 years in

Qualifications

• Engineering degree or PhD in materials science with a strong foundation in semiconductor physics.
• 3–5 years of experience in epitaxy.
• Ability to work with multidisciplinary teams and external partners.
• Autonomy, rigour, and ability to manage multiple projects simultaneously.
• Strong communication and teamwork skills.

Responsibilities

• Develop and optimize epitaxial structures to meet material specifications.
• Propose and execute work plans for epitaxial growth.
• Optimize characterization processes, analyze product drifts, identify root causes, and implement corrective actions.
• Contribute to basic maintenance of the epitaxy reactor.
• Participate in the characterization of epitaxial layers.
• Document work and present results in technical meetings.
• Contribute to intellectual property development.

Skills

Epitaxy

Semiconductor physics

Autonomy

Rigour

Teamwork

Project management

Education

Engineering degree

PhD in materials science

Tools

Epitaxy reactor

Job description

Alpsemi

• CDI
• On-site
• Grenoble

Who we are

Build the devices that will power sustainable electrification worldwide!

AlpSemiis an industrial deep tech company building next-generation semiconductor power switches.

We are driving a generational technology shift: enabling the large-scale adoption of Solid-State Circuit Breakers, a breakthrough technology set to transform power protection and distribution, much like LEDs transformed lightning and digital cameras transformed photography.

Our technologies address one of the biggest challenges of our time: enabling sustainable electrification at scale byoptimizingpower consumption across global markets such as IA data centers, thereby improving access to electricity worldwide.

As part of our growth, we are looking for an experiencedWBGEpitaxyEngineerto support the development of semiconductor devices. The engineer will join the advanced materials team and be responsible for developing epitaxy processes. You will work closely with process engineering and device teams. You will actively contribute to the development, optimization,and characterization of epitaxial structures that meet component specifications. You will be responsible for continuous process improvement, drift analysis, and productivity enhancement. You will also participate in basic equipment maintenance and contribute to technical documentation and intellectual property development.

Responsibilities:

• Developandoptimizeepitaxialstructures tomeetmaterialspecifications.
• Propose andexecuteworkplans forepitaxialgrowth.
• Optimizecharacterizationprocesses,analyzeproductdrifts,identifyroot causes, andimplementcorrective actions to improve productivity and yield.
• Contributeto basic maintenance of theepitaxyreactor.
• Participatein thecharacterizationofepitaxiallayers.
• Documentworkandpresentresultsintechnicalmeetings.
• Contributetointellectualpropertydevelopment.

Job requirements

• Engineeringdegreeor PhD inmaterialssciencewithastrongfoundationinsemiconductorphysics, or aphysicsengineerspecializedinmicroelectronics.
• 3–5yearsofexperienceinepitaxy.
• Abilitytoworkwithmultidisciplinaryteamsandexternalpartners.
• Autonomy,rigor, andabilitytomanagemultipleprojectssimultaneously.
• Strong communication andteamworkskills.

What we offer

Joining AlpSemi is an opportunity to accelerate your growth, unlock your potential and develop the skills, mindset and ownership that will shape your entire career. From day one, you will work on meaningful technical challenges, learning from experienced entrepreneurs and engineers, and contribute to building products that will redefine one of the most critical infrastructures in our society: power systems.