Senior Mechanical Engineer - Data Centre (Remote-First)

ORS; Ireland; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Remote-first hybrid model

Pension scheme with matching

Flexible working hours

CPD funding

Health and wellbeing programs

Job summary

ORS, a leading building consultancy in Ireland, seeks a Senior Mechanical Engineer – Data Centre to lead independent technical reviews and ensure mission-critical systems are designed, constructed, and commissioned to the highest standards.

You will work with developers, contractors and client stakeholders to review designs, identify risks, and ensure resilience of chilled water, CRAH/AHU, BMS integration and other essential systems across hyperscale data centre projects.

Qualifications

• Degree in Mechanical Engineering or Building Services.
• Chartered Engineer status or working towards chartership.
• 10+ years' experience in building services, mission-critical, data centre, or similar environments.
• Strong knowledge of chilled water systems, CRAH/AHU, cooling infrastructure, generator cooling, fuel systems, ventilation/exhaust, BMS integration and commissioning processes.

Responsibilities

• Lead independent technical reviews of mission-critical mechanical systems.
• Review design packages, calculations, specifications, and technical reports; assess for constructability and resilience.
• Review contractor submissions, shop drawings, and method statements; support RFIs and QCs.
• Participate in multidisciplinary design reviews and technical workshops; carry out site inspections and QA/QC reviews.
• Review commissioning plans and witness testing; participate in FAT/IST/IST activities.
• Support risk management and issue resolution; review as-built drawings and handover docs.
• Provide guidance to project teams and client stakeholders.

Skills

Chilled water systems

CRAH and AHU systems

Cooling infrastructure

Generator cooling systems

Fuel systems

Ventilation and exhaust systems

BMS integration

Commissioning processes

Contractor design review

Stakeholder management

Education

Degree in Mechanical Engineering / Building Services

Chartered Engineer status or working towards chartership

Job description

ORS, a leading building consultancy in Ireland, seeks a Senior Mechanical Engineer – Data Centre to lead independent technical reviews and ensure mission-critical systems are designed, constructed, and commissioned to the highest standards.

You will work with developers, contractors and client stakeholders to review designs, identify risks, and ensure resilience of chilled water, CRAH/AHU, BMS integration and other essential systems across hyperscale data centre projects.