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Vertical Semi's engineering team works across the full lifecycle of our vertical GaN power devices, from architecture and process integration through modeling, characterization, and reliability. This posting is for engineers with a background in wide-bandgap (WBG) power semiconductors, including GaN, SiC, or related technologies, at any career stage.

If you have hands-on experience with wide-bandgap power devices and want to build a new device technology from the ground up, we want to hear from you.

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We're hiring a Semiconductor ProcessEngineer to join the team fabricating our vertical GaN devices. This is a hands-on, high-impact role focused on running process steps quickly and reliably.

We’re looking for a process engineer to spend a majority of their time in the cleanroom fabricating devices and test structures. You’ll work closely with the fabrication team, receiving training on each step within the process, and ultimately sharing the responsibility of device fabrication from start to finish with other team members. Being a startup, we want to make full use of the cleanroom hours and request flexible work hours in the form of either early mornings or late evenings from fabrication team members. This is a great fit for an early or mid-career engineer who wants to build deep, practical fabrication skills in a wide range of techniques and see their work translate directly into working devices. Responsibilities and compensation will scale based on relevant experience.

We’re hiring a Principal Applications Engineer to help commercialize next-generation Vertical GaN power devices (100 V - 2300 V) by translating device performance into system-level wins for customers. This role blends customer-facing technical leadership, hands-on power converter evaluation, simulation/model development, and bench characterization of fast-switching wide bandgap devices. The role offers significant ownership of customer technical engagement, and the development of evaluation hardware, reference designs, and technical content (application notes, trainings, demos). As the company scales, this position has the strong potential to evolve into a team leadership role.

Vertical Semiconductor is seeking a Principal Semiconductor Device Engineer to serve as a senior technical contributor in the development and commercialization of our vertical GaN power device technology. This is a hands-on role is intended for an engineer with around 10-20 years of semiconductor R&D experience who can operate at the intersection of device physics, process integration, and manufacturability.

We need a Senior Characterization & Reliability Engineer to drive the commercialization of vertical GaN technology. This hand-on role involves characterizing devices using on-wafer and packaged setups. Your work is critical to shaping our world-changing power electronics. Somerville, MA (Greentown Labs) preferred; hybrid candidates welcome.

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