Commissioning Technician

Crewit Resourcing is looking for a Commissioning Technician is responsible for carrying out onsite HVAC commissioning activities, primarily focused on testing and balancing air and water systems. Working as part of a commissioning team, the technician ensures systems are installed, tested, and verified in accordance with project specifications, industry standards, and client requirements.

This is a field-based role requiring strong technical knowledge, attention to detail, and the ability to interpret mechanical drawings and specifications.

Responsibilities

• Perform onsite Testing & Balancing (TAB) of air and hydronic (water) distribution systems.
• Conduct air balancing of ventilation systems and water balancing of heating and chilled water systems.
• Carry out flushing and cleaning of pipework systems in accordance with BSRIA standards.
• Review HVAC drawings and specifications prior to commissioning activities.
• Generate commissioning plans and test procedures aligned with project requirements.
• Track commissioning progress and identify system defects or performance issues.
• Troubleshoot problems encountered during air and water balancing activities.
• Produce detailed, accurate commissioning reports and test documentation.
• Deliver test data in compliance with project specifications and industry standards.
• Assist other technical departments when required.
• Maintain high standards of health, safety, and quality while onsite.

Requirements:

• Several years’ experience in HVAC commissioning or a similar mechanical services role.
• Proven experience in air and water balancing.
• Experience with BSRIA standard flushing procedures.
• Strong knowledge of mechanical services systems.
• Ability to read and interpret HVAC drawings and technical documentation.
• Excellent verbal and written communication skills, including technical report writing.
• Proficiency in Microsoft Office applications.
• Valid driver’s licence (site travel required).

Desirable Attributes

• Formal training in HVAC commissioning or mechanical services (preferred but not essential).
• Strong troubleshooting and analytical skills.
• Ability to work independently and as part of a multidisciplinary team.
• High attention to detail and strong organisational skills.

Working Environment

• Site-based role across commercial, pharmaceutical, healthcare, data centre, and industrial projects.
• Regular interaction with engineers, contractors, project managers, and client representatives.
• Opportunity to work on technically complex and high-specification HVAC installations.