Senior Mechanical Design Engineer

Johnson Controls, Inc.; Dublin; On-site; EUR 90,000 - 120,000; Full time

Job summary

Silent Aire in Ireland is seeking a Senior Mechanical Design Engineer to provide technical leadership for AHU, data centre cooling, CRAH, and CDU projects. You will work as the primary interface with customers, translating requirements into innovative, manufacturable solutions from concept through prototype validation and release.

The role demands a highly experienced engineer with strong communication and mentoring skills, capable of guiding multidisciplinary teams while balancing performance,

Qualifications

• Bachelor’s Degree in Mechanical Engineering or related discipline.
• 10+ years in HVAC mechanical design engineering.
• Extensive knowledge of AHU design and HVAC standards and codes.
• Proven track record leading complex customer-driven engineering projects.
• Experience acting as a technical consultant to customers.
• Experience from concept through prototype validation to production handover.

Responsibilities

• Lead the technical interface between customers and the engineering team.
• Define requirements and drive concepts through validation and release.
• Translate complex customer needs into manufacturable AHU solutions.
• Review designs, approve submittals, and mentor engineers.
• Lead customer-facing technical meetings and workshops.
• Coordinate with manufacturing, quality, sourcing, controls, and PM teams.
• Support prototype testing and performance verification.
• Resolve technical issues during design, testing, and field operation.
• Review bid submittals for AHU/CRAH/CDU before submission.

Skills

HVAC design

Technical leadership

Customer interface

Project management

Mentoring

Technical communication

Independent work

Education

Bachelor's Degree in Mechanical Engineering

Tools

Selection software

Job description

Senior Mechanical Design Engineer

Silent Aire

What you will do

This is an exciting opportunity for an experienced Senior Mechanical Design Engineer to provide technical leadership for custom Air Handling Unit (AHU), Data Centre Cooling, CRAH, Fan Wall, and CDU.

The successful candidate will act as the primary technical interface between customers and the engineering organisation, working closely with clients to define requirements, develop innovative solutions, and drive projects from concept through prototype validation and product release.

The role requires a highly experienced engineer capable of translating complex customer requirements into practical and manufacturable product solutions.

The Senior Mechanical Design Engineer will be responsible for leading technical discussions, reviewing and approving designs, supporting Prototype validation and mentoring mechanical engineers.

How you will do it

• Participate in strategic product development initiatives and technology roadmaps.
• Act as the technical lead for the development of new products and customer-specific solutions
• Interface directly with customers to understand, challenge, clarify, and define technical requirements.
• Ensure compliance with project specifications, applicable standards, and company design practices.
• Lead customer-facing technical meetings and workshops throughout project development.
• Translate customer requirements into clear engineering designs.
• Develop innovative and practical HVAC solutions while balancing performance, manufacturability, cost, and schedule.
• Drive projects from concept stage through detailed engineering, prototype validation, and production release.
• Lead technical feasibility assessments and risk reviews.
• Perform coil selections and fan/pump selections using approved selection software and methodologies.
• Prepare and review technical submittals, compliance documents, and customer reports.
• Support prototype testing, validation, and performance verification activities.
• Work closely with manufacturing, quality, sourcing, controls, and project management teams to ensure successful project execution.
• Resolve technical issues arising during design, manufacturing, testing, and field operation.
• Review and approve Bid Submittals completed by junior and intermediate engineers prior to customer submission (AHU, CRAH, CDU, etc)
• Provide technical guidance and mentorship to the mechanical engineering team.
• Support customer presentations, technical proposals, and bid reviews.
• Provide engineering sign-off for critical design deliverables where required.

What we look for

• Bachelor’s Degree in Mechanical Engineering or related discipline.
• 10+ years in HVAC mechanical design engineering
• Extensive knowledge of Air Handling Unit (AHU) design and HVAC industry standards and codes is preferred
• Proven track record of leading complex customer-driven engineering projects.
• Demonstrated experience acting as a technical consultant and trusted advisor to customers.
• Experience managing projects from concept through prototype validation and production handover.
• Strong understanding of manufacturing considerations and product lifecycle management.
• Experience supporting Data Centre cooling equipment/applications preferred.
• Experience with chilled water and refrigerant pipework design would be a significant advantage
• Excellent verbal and written communication skills.
• Strong leadership and mentoring capabilities.
• Ability to work independently and influence multidisciplinary teams.
• Customer-focused mindset with excellent relationship-building skills.
• Ability to manage multiple priorities in a fast-paced engineering environment.

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