Mechanical Design Engineer – Semiconductor & Cleanroom

About the role

We are looking for an experienced Mechanical Design Engineer to join our Cork‑based engineering team. The role will focus on delivering mechanical solutions for high‑profile semiconductor, cleanroom and advanced manufacturing projects.

Key responsibilities

• Develop mechanical design concepts for semiconductor, cleanroom and high‑tech manufacturing facilities.
• Design and coordinate HVAC systems, including cleanroom ventilation, pressurisation, filtration and environmental control.
• Prepare mechanical layouts, equipment arrangements and utility distribution drawings.
• Design process utility systems such as compressed air, chilled water, heating water, process gases, vacuum and other building services.
• Produce engineering calculations, technical specifications, reports and design documentation.
• Coordinate multidisciplinary designs with process, architectural, structural, electrical and automation teams.
• Participate in design reviews, client meetings and project workshops.
• Ensure compliance with industry standards, regulations and client requirements.
• Support construction, commissioning and project close‑out activities.
• Contribute to continuous improvement and engineering best practices.

Required profile

• Degree in Mechanical Engineering or a related discipline.
• 3–5 years of experience in mechanical building services or industrial facility design.
• Strong background in HVAC system design.
• Experience with cleanroom, semiconductor, pharmaceutical or advanced manufacturing projects.
• Knowledge of mechanical utility systems and distribution networks.
• Familiarity with cleanroom classifications, contamination control and airflow design.
• Chartered Engineer status or progression towards chartership.
• Valid EU/Irish work permit.

Required skills

• HVAC system design
• Cleanroom airflow and ventilation design
• Process utility system design
• BIM workflow and clash detection
• Engineering calculation software
• Modelling tools

What we offer

• Competitive salary and benefits package.
• Opportunity to work on leading‑edge semiconductor and cleanroom projects.
• Professional development and career progression.
• Collaborative and supportive working environment.
• Exposure to major international clients and complex engineering challenges.