Senior Facility Engineer
Pubblicato il 18-10-2026 - Ephos in Milano
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.
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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
We are seeking a Senior Facility Engineer, focusing on the upkeep and maintenance of the cleanroom and supporting facility. In this role, your primary focus will be installing, maintaining, optimizing and scaling our DI water, chemical and gas supplies, and maintaining cleanroom conditions in the fab. You will support both production and R&D; needs in this new facility, which will operate 24/7.
Your responsibilities
Establish the engineering and maintenance business processes needed to run facility equipment in production, and document them to quality standards, for cleanroom support facility such as cooling water, DI water, and bulk and specialty gas supplies.
Track, maintain and improve the delivery performance of the associated facility supplies, using SPC and proven statistical methods to ensure high-performance supply to the fab.
Apply structured problem solving and root cause analysis to resolve issues and put permanent corrective actions in place.
Strong focus on keeping timelines and cost/budget control.
Ensure close interaction with facility equipment suppliers, including owning the escalation of issues and calling in specialists where needed (travel, service changes).
Set up facility equipment performance KPIs, and monitor and adjust them against fab goals.
The candidate we are looking for
BSc or MSc in Electrical, Mechanical or Chemical Engineering preferred. Equivalent hands‑on experience running a cleanroom facility and its ancillary equipment will also be considered.
Five or more years in facility operations, ideally including cleanroom facility equipment control management.
Experience in equipment maintenance, with strong troubleshooting skills.
Experience in 5S and Lean Manufacturing, with good communication skills.
Experience in semiconductor fabs is an advantage.
Can commit to tempo pieno 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. xlwpduy
Interview with our CEO.
If you're interested in this opportunity, please send your CV to , with the role name in the subject line.