Dublin
Senior Mechanical Commissioning Engineer
Salary negotiable
Senior Mechanical Commissioning Engineer opportunity with a leading EPC contractor on large-scale data centre projects in Dublin, Ireland. This role places you at the centre of critical infrastructure delivery, managing complex mechanical systems from commissioning through to handover in one of Europe's fastest-growing data centre markets.
Key Highlights
- Lead commissioning delivery for Tier-III/IV data centre mechanical systems including HVAC, chillers, and process water infrastructure
- Drive vendor management and FAT/Factory Witness Testing for CFCI and OFCI packages across multi-contractor environments
- Shape project outcomes through direct client stakeholder engagement and integrated systems testing coordination
- Build specialist expertise in ASHRAE-compliant critical environments with clear pathways to Commissioning Manager roles
Senior Mechanical Commissioning Engineer — Role Overview
You will lead the mechanical commissioning scope across major data centre builds, directing a team of package engineers and ensuring all HVAC, process water, and critical mechanical systems meet stringent performance and compliance standards. This is a hands-on leadership position where technical expertise directly shapes project success.
Senior Mechanical Commissioning Engineer — Responsibilities
• Lead and manage the mechanical commissioning team, setting work scope and monitoring delivery against programme milestones
• Oversee CFCI and OFCI vendor commissioning scope, including planning and management of Factory Acceptance Testing
• Facilitate detailed design reviews and ensure all mechanical design queries are documented and escalated for approval
• Manage the commissioning programme, communicating deadlines and milestones to all stakeholders
• Attend and contribute to daily/weekly commissioning meetings with internal teams, vendors, and client representatives
• Produce and submit mechanical commissioning progress reports and technical documentation
• Coordinate with QAQC and AP departments to align commissioning activities with project objectives
• Manage creation, delivery, and approval of commissioning deliverables including test scripts and compliance statements
• Ensure receipt, review, and compliance of commissioning documentation to achieve sign-off at each Cx level
• Maintain full compliance with contract documents, EHS requirements, and data centre redundancy standards
Senior Mechanical Commissioning Engineer — Ideal Candidate
Essential
• Degree in Mechanical Engineering OR minimum 5 years' experience in mechanical commissioning leadership roles
• Proven ability to manage customer and stakeholder relationships in multi-contractor site environments
• Strong capability to interpret and interrogate system P&IDs
• Deep technical knowledge of: HVAC systems (CRAC, CRAH, AHUs, evaporative cooling, chillers, controls); pumps and pumping systems including pressure vessels; compressors; process water systems; fire-fighting systems (pump houses and tanks)
• Solid understanding of data centre standards (ASHRAE, LEED) and redundancy requirements (N+1, 2N)
• Strong programme and deadline management skills with ability to perform under pressure in fast-paced environments
Desirable
• Experience testing and commissioning water treatment plants
• Integrated Systems Testing (IST) experience
• Process controls experience
• Commissioning experience with fuel oil systems
• Commissioning experience with natural gas systems
Rewards & Package
This Tier-1 contractor offers market-leading remuneration reflecting the critical nature of data centre commissioning work and your specialist expertise. The package includes comprehensive support for international assignees where applicable, including accommodation assistance, flights, and visa sponsorship.
Core benefits encompass private healthcare, pension contributions, and structured professional development to advance your commissioning career. Long-term progression pathways to Commissioning Manager and beyond are actively supported.
Full package details, including salary banding and assignment-specific benefits, will be discussed at interview stage.
About the Company
A major EPC contractor with established expertise in delivering large-scale data centre infrastructure across Europe, recognised for technical excellence in critical environments and complex mechanical systems integration.
The Project
Large-scale data centre construction in Dublin, Ireland's premier data centre hub, involving Tier-III/IV critical infrastructure with stringent commissioning requirements for mechanical resilience and redundancy.
Don't let self-doubt hold you back
At URecruit Global, we understand that many talented candidates face self-doubt or imposter syndrome and might hesitate to apply if they don't meet every single qualification. Your transferable skills and unique experience matter just as much as technical expertise. Don't let uncertainty hold you back — we encourage you to apply and share your full story.
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Frequently Asked Questions About This Senior Mechanical Commissioning Engineer Role
What does a Senior Mechanical Commissioning Engineer do in data centre construction?
A Senior Mechanical Commissioning Engineer in data centre construction is responsible for delivering specialist work on Tier III and Tier IV facilities. Day-to-day tasks vary by project phase but typically involve coordination with MEP teams, quality assurance, and ensuring build standards meet client specifications.
How do I apply for this Senior Mechanical Commissioning Engineer position?
Click "Apply Now" above and submit your CV. A specialist recruiter will contact you within 24 hours to discuss the role, your experience, and next steps. We support you through interviews and offer negotiation.
What salary can I expect for this role?
This role offers Salary negotiable. Salary depends on experience, certifications, and project complexity. Use our salary calculator for live market benchmarks across 20+ data centre roles.
About URecruit Global
URecruit Global is a specialist data centre construction recruitment agency serving the UK, Ireland, and Europe. Since 2010, we've completed 1,000+ placements across Tier III and Tier IV data centre builds with 500+ hiring partners. Our team guides you from application through to placement with expert support at every stage.