Commissioning Engineer

Pure Engineering Group; United Kingdom; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading engineering firm in the UK is seeking an experienced Commissioning Engineer to manage the commissioning and testing of building management and control systems. The ideal candidate should have strong expertise in AC/HVAC systems and hands-on experience with BACnet and Modbus communications. Responsibilities include functional testing, configuration, and producing documentation. This role requires excellent troubleshooting skills and the ability to work on live sites. Join a dynamic team that values reliability and efficiency in building operations.

Qualifications

• Proven experience as a Commissioning Engineer with controls/BMS/automation.
• Ability to read and interpret control schematics and wiring diagrams.
• Experience with troubleshoots on live sites.

Responsibilities

• Commissioning and functional testing of control systems and HVAC equipment.
• Configuration, testing, and troubleshooting of BACnet and Modbus communications.
• Produce commissioning reports and as-built documentation.

Skills

Commissioning Engineer

AC/HVAC systems

BACnet

Modbus

Troubleshooting

Problem-solving

Education

Relevant engineering or technical qualification

Tools

BMS platforms (Siemens, Trend, Honeywell, Schneider, Tridium)

Job description

Pure Engineering Group are seeking an experienced Commissioning Engineer with strong controls expertise and hands‑on experience in AC systems, BACnet, and Modbus. The role involves commissioning, testing, and optimising building management and control systems to ensure reliable and efficient operation.

Key Responsibilities

• Commissioning and functional testing of control systems and associated AC/HVAC equipement
• Configuration, testing, and troubleshooting of BACnet and Modbus communications
• Verification of control strategies, sequences of operation, and system performance
• Integration of field devices, controllers, and BMS front ends
• Fault finding across software, controls, networks, and field devices
• Support site acceptance testing (SAT) and handover documentation
• Liaise with project managers, contractors, and clients during commissioning phases
• Produce commissioning reports, test scripts, and as-built documentation

Required Experience & Skills

• Proven experience as a Commissioning Engineer (controls / BMS / automation)
• Strong understanding of AC/HVAC systems
• Hands‑on experience with BACnet and Modbus (RTU & TCP/IP)
• Ability to read and interpret control schematics and wiring diagrams
• Experience with BMS platforms (e.g. Siemens, Trend, Honeywell, Schneider, Tridium, etc.)
• Strong troubleshooting and problem‑solving skills
• Comfortable working on live sites and during commissioning phases

Desirable

• Experience with integration to third‑party systems
• Knowledge of IP networking and control panels
• Previous data centre, pharmaceutical, or large commercial project experience
• Relevant engineering or technical qualification

Air Conditioning Refrigeration Controls BACnet Modbus