Mechanical Commissioning Engineer
- Level
- Mid
Not stated in the posting: salary, work type, visa.
Open. First seen 12 October 2026.
About the role
Winthrop Technologies's standard text
Winthrop Technologies is Europe’s only dedicated data centre delivery partner, offering full turnkey solutions from design through to construction and commissioning. Headquartered in Dublin, we deliver projects across Europe and have become the most trusted name in our sector.
We are pleased to announce that we are currently seeking a Mechanical Commissioning (Cx) Engineer to join our team and support the delivery of large-scale, mission-critical projects. Reporting to the Cx Manager.
Responsibilities:
- Carry out hands-on mechanical commissioning activities in line with approved commissioning plans and procedures.
- Execute mechanical commissioning protocols including system testing, fault-finding, diagnostics, and functional performance testing.
- Ensure HVAC and mechanical services operate in accordance with design intent, specifications, and performance criteria.
- Witness and support vendor commissioning activities, ensuring compliance with approved project documentation.
- Conduct day-to-day on-site commissioning operations, including system inspections and readiness checks.
- Manage and complete the commissioning tagging process in line with project procedures.
- Track the receipt, review, and compliance of commissioning documentation to achieve required Cx level sign-off.
- Support quality management for on-site service and commissioning activities.
- Ensure commissioning activities are delivered in line with project schedules and milestones.
- Adhere strictly to project Health, Safety, Environmental, and Quality (HSEQ) requirements at all times.
- Maintain clear communication with commissioning managers, vendors, and other project stakeholders.
Requirements
- Relevant qualification in Mechanical Engineering, Building Services Engineering, or a recognised Mechanical Trade with appropriate training and experience.
- Minimum 3 years’ experience in a similar Mechanical Commissioning Engineer role.
- Strong commissioning experience on HVAC and mechanical systems within commercial, industrial, or data centre environments.
- Solid understanding of construction environments and safe systems of work.
- Strong analytical and problem-solving skills, with the ability to act decisively.
- Process-driven mindset with a strong focus on EHS and Quality Management Systems.
- Excellent communication and interpersonal skills.
- Proven ability to maintain positive working relationships with contractors and vendors on site.
Benefits
- Work on Europe’s largest and most advanced data centre developments.
- Be part of a rapidly growing organisation at the forefront of the digital infrastructure sector.
- Excellent opportunities for career progression and professional development.
- Competitive salary and comprehensive benefits package.
- Collaborative, supportive, and high-performance team environment.
- Opportunity to contribute to landmark projects shaping the future of digital infrastructure across Europe.
Winthrop Technologies Ltd. are an equal opportunities employer
What this role asks for
90% of this description is written for the role. The rest is Winthrop Technologies's standard text, folded away below.
Read against Winthrop Technologies's other open postings on this site.
The team: Dublin HIRES STEADILY
This role is one of 12 open in Dublin. 5 were posted in the last 30 days and the oldest in January: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Excel (3 of 12)
OTHER ROLES ON THIS TEAM
- Senior Electrical Commissioning Engineer posted Oct 12
- Electrical Commissioning Engineer posted Oct 12
- QA/QC Administrator posted Oct 2
- Design Engineer posted Sep 28
- MV Commissioning Engineer posted Sep 3
- CSA Design Lead posted Aug 31
- Electrical Supervisor posted Jul 20
- Electrical Package Manager posted Jul 20
- Senior Mechanical Engineer posted Jul 20
- CSA Engineer posted Apr 22
- CSA QA/QC Engineer posted Jan 23
From the team and dates on Winthrop Technologies's own job board.
Similar jobs
- Mechanical Commissioning Engineer at LotusWorks
Same title - Mechanical Commissioning Engineer at LotusWorks
Same title - Mechanical Commissioning Engineer at LotusWorks
Same title - Mechanical Commissioning Engineer at LotusWorks
Same title - QA/QC M&E Engineer at Winthrop Technologies
Also at this company - Senior Mechanical Engineer at Winthrop Technologies
Also at this company
Is this your posting and you want it taken down? Email info@careerholo.com.