Senior Equipment Hardware Developer

Ephos is building vertically integrated, advanced packaging solutions on glass panels. We transform raw glass into electronic and optically active substrates for die-to-die connectivity, manufactured entirely within our own facilities. Our systems are built for companies developing AI accelerators, including hyperscalers and top-tier chip designers.
We have already delivered products to leading global firms, and we are currently building a new fabrication facility to scale production by 100x. This expansion is backed by a $50M EU CHIPS Act grant—the first ever awarded to a startup.
The role  The Equipment Hardware Developer role will contribute directly to the development of the hardware used to produce our optically active substrates. The role centres on improving and hardening our existing equipment across process, automated handling and data management. You will work with R&D, Process Engineering and Manufacturing to build robust equipment for our advanced products.
Your responsibilities   Develop and enhance safe operating protocols for equipment.
Develop and implement electrical and mechanical control strategies for production equipment.
Integrate features with tool software and control strategies.
Enable third-party automation to interact seamlessly with the equipment and the factory MES software.
Enable data management for advanced tool diagnostics.
Establish and manage the equipment budget and the cost model for upgrades.
Work in close collaboration with Process and Manufacturing.
Establish the equipment engineering and maintenance processes required to run the tools in production, and document them to quality standards.
The candidate we are looking for   BSc or MSc in Electrical or Electronic Engineering, Mechatronics or Controls Engineering.
5+ years in the design and building of equipment, preferably at a semiconductor equipment OEM.
Excellent interpersonal skills, energetic and self starter.
Strong continuous improvement mindset, consistently identifying and eliminating waste and errors in processes, procedures and work organisation.
Can commit to full time lab presence; due to the nature of the role we will not consider remote applicants.
Ephos is a demanding environment. We operate with exceptional ambition and move fast, because the market gives us no other option. We expect excellence from you, as we do from one another. This environment offers unmatched opportunities to learn, build, and grow, but it also requires significant commitment.
What we offer   Top of the market salary.
Stock options; granted at this stage, they can become extremely valuable.
An exceptional opportunity for growth.
The hiring process   Interview with our VP of Manufacturing.
Interview with our Head of Process Engineering.
Interview with our CEO.