Vacuum Systems Engineer (EUV)

Location: Wilton, Connecticut, United States. Full-time, regular role based on-site, with a flexible workplace arrangement of up to two remote days per week where applicable. Travel of up to 10% within the US and internationally may be required. Applicants must be legally authorized to access controlled technology under US Export Administration Regulations before beginning work.

Company

hirify.global develops advanced semiconductor manufacturing systems, including EUV lithography machines used by leading chip manufacturers.

What you will do

• Design vacuum systems and gas-flow architectures for EUV scanners and test rigs.
• Specify vacuum components, materials, standards, cleanliness processes, pump-down procedures, and vent procedures.
• Plan and execute qualification tests and design-of-experiments for degassing chambers and components.
• Analyze pressure-drop budgets, flow budgets, humidification, gas purity, particle transport, and vacuum performance.
• Investigate particle contamination and vacuum-cleanliness issues, including hands-on troubleshooting and recommendations.
• Coordinate with system architects, hardware projects, lead designers, customer support, research partners, and other hirify.global units.

Requirements

• Bachelor’s degree in a relevant technical field.
• At least 5 years of thorough experience for JG08 or 9 years of substantial experience for JG09; a master’s degree or PhD is preferred.
• Strong theoretical and practical experience with vacuum systems and gas-flow phenomena, preferably in the semiconductor industry.
• Experience with vacuum architecture, contamination control, materials compatibility, desorption, cleanliness, testing, and technical analysis.
• Ability to document requirements, procedures, standards, test evidence, and component specifications in Technical Product Documentation.
• Ability to work on-site in Wilton and meet US controlled-technology access requirements.

Nice to have

• Experience with particle transport, rarefied gas flow, plasma physics, electrostatics, surface science, RGA, or other vacuum measurement techniques.
• Experience with modeling or simulation tools for gas flow, vacuum performance, contamination transport, or thermal-fluid behavior.
• Familiarity with Twinscan, vacuum systems ADT, or hirify.global vacuum-system flow modeling.

Culture & Benefits

• Work on technology enabling advanced semiconductor manufacturing and future EUV and High-NA platforms.
• Collaborate with specialists in vacuum technology, contamination control, and lithography.
• Opportunities for technical leadership, mentoring, and cross-site collaboration.
• Work includes in-person events, training, meetings, and multidisciplinary engineering collaboration.
• Potential exposure to strong magnetic fields, high voltage, and electrical currents.