Commissioning Engineer

At Johnson Controls, we're shaping the future of smart, healthy, and sustainable buildings and mission- critical environments. As a global leader in building technologies and solutions, we help customers achieve operational excellence through innovation, expertise, and collaboration. Silent-Aire delivers world-class mission critical infrastructure solutions for some of the world's largest technology and data centre operators. This role provides the opportunity to work on complex and innovative projects while developing expertise within one of the fastest-growing sectors in the industry.

What you will do

The Commissioning Engineer is responsible for the installation verification, testing, commissioning, troubleshooting, and handover of electrical and associated mechanical systems on mission critical projects. The role ensures all systems are commissioned safely, efficiently, and in accordance with project specifications, industry standards, client requirements, and company procedures.

As a Commissioning Engineer, you will support project teams across an assigned customer base, taking ownership of commissioning activities, compliance with client requirements, documentation, reporting, and stakeholder engagement. You will contribute to continuous improvement initiatives, maintain strong supplier and customer relationships, and provide technical input throughout project execution.

How you will do it

• Support project delivery through all phases, from installation and commissioning to client handover.
• Collaborate with engineering, design, and QA/QC teams to understand operational requirements and identify potential improvements.
• Develop and execute commissioning, qualification, and SAT protocols.
• Prepare system impact assessments, qualification documentation, and validation reports.
• Review project documentation for technical accuracy, compliance, and GMP requirements.
• Ensure systems are safe and ready for start-up, testing, and qualification activities.
• Perform installation verification, system start-up, and functional testing.
• Monitor progress, coordinate daily activities, and ensure milestones are achieved.
• Build strong relationships with client teams and site stakeholders to ensure successful delivery across health & safety, quality, commissioning, and handover activities.

What we look for:

• Ability and willingness to travel internationally.
• Minimum 3-5 years of experience in engineering and project-related activities, ideally within manufacturing, construction, or mission-critical environments.
• Technical qualifications in Electrical, Electronics, Instrumentation, Automation, Mechanical, Fluid Power Systems, or a related discipline.
• Experience within HVAC systems and Data Centre projects is desirable.
• Controls or Building Management Systems (BMS) experience is an advantage.
• Advanced proficiency in Microsoft Office applications.
• Strong organizational skills and attention to detail.
• Proactive, results-driven, and solution-oriented mindset.
• Excellent communication and stakeholder management skills.
• Ability to manage multiple priorities and deadlines in a fast-paced environment.

Physical & Travel Requirements

• Regular travel to project sites throughout the UK and internationally as required.
• Ability to work on active construction sites.
• Ability to work flexible hours to support commissioning and critical project milestones.

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