Senior Data Centre Mechanical Lead - Client-Facing Engineer

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

Benefits offered by this job

Remote-first hybrid model

Flexibility to work from abroad

CPD funding

Job summary

ORS is seeking a Senior Mechanical Engineer – Data Centre in Ireland to lead independent technical reviews of mission-critical systems and ensure design, construction and commissioning meet the highest standards. You will oversee from design development to handover, reviewing designs, risks and ensuring operational readiness.

You will engage with contractors, consultants, commissioning teams and vendors to safeguard resilience and long-term performance, while delivering technical guidance and

Qualifications

• Must have a degree in Mechanical Engineering or Building Services Engineering.
• Chartered Engineer status or working towards chartership.
• 10+ years' experience in building services, mission-critical, data centre, or similar environments.

Responsibilities

• Lead independent technical reviews of mission-critical mechanical systems.
• Review design packages, calculations, specifications, and technical reports; assess constructability, maintainability, resilience, and operational suitability.
• Review contractor submissions, shop drawings, and method statements; support RFIs and technical queries.
• Participate in multidisciplinary design reviews and workshops.
• Carry out site inspections and construction quality reviews; review commissioning plans and witness testing.
• Participate in FAT, IST, and commissioning reviews; support risk management and issue resolution.
• Review as-built drawings, O&M manuals, and handover documentation; 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

Reviewing contractor designs

Stakeholder management

Education

Degree in Mechanical Engineering

Chartered Engineer

Job description

ORS is seeking a Senior Mechanical Engineer – Data Centre in Ireland to lead independent technical reviews of mission-critical systems and ensure design, construction and commissioning meet the highest standards. You will oversee from design development to handover, reviewing designs, risks and ensuring operational readiness.

You will engage with contractors, consultants, commissioning teams and vendors to safeguard resilience and long-term performance, while delivering technical guidance and