Mechanical Commissioning Engineer

About the role

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.

What the role involves

• 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.

What is on offer

• 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.