Commissioning Engineer - Immediate start

Oleson; London; On-site; GBP 40,000 - 70,000; Full time

Job summary

An established industry player is seeking a detail-oriented Commissioning Engineer to join their dynamic team. This role involves the commissioning, testing, and troubleshooting of Building Management Systems and cooling systems in a fast-paced Data Centre environment. With an immediate start, you will leverage your expertise in PLC automation and HVAC systems to ensure optimal performance and reliability. Join a forward-thinking company that values innovation and excellence, offering you the chance to make a significant impact in critical sectors. If you have a passion for engineering and a desire to drive operational excellence, this is the opportunity for you.

Qualifications

• 2+ years of experience in commissioning, preferably in data centers.
• Bachelor’s degree in engineering or equivalent experience.

Responsibilities

• Commission and test Building Management Systems and cooling systems.
• Troubleshoot sensors and develop test scripts for system validation.

Skills

Commissioning

Testing

PLC Automation

Troubleshooting

HVAC Systems

Modbus

Technical Drawing Interpretation

Education

Bachelor's degree in engineering

Tools

Building Management Systems (BMS)

PLC Systems

HVAC Controls

Job description

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About The Job

Oleson specialises in delivering high-quality talent and solutions that enhance the capabilities and operational excellence of our global customers.

We focus on matching the dynamic needs of Data Centre and Life Science clients with skilled professionals, driving innovation and growth in these critical sectors.

Role Description:

We’re seeking a hands-on, detail-driven Commissioning Engineer to join our high-performance team. In this role, you'll be responsible for the commissioning, testing, and troubleshooting of Building Management Systems (BMS) and cooling systems in a Data Centre environment. This is a contract position with an immediate start date.

What you’ll do:

• Commissioning & Testing: Execute Level 1-4 testing of systems, including Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).
• PLC Automation & Troubleshooting: Develop, debug, and refine PLC logic for BMS control systems; perform Modbus testing in line with register mapping specifications.
• Sensor & Field Device Support: Troubleshoot temperature, humidity, and pressure sensors, as well as transmitters, to ensure accurate system feedback.
• Test Script Development: Create, document, and execute detailed test scripts to validate system functionality and performance across all commissioning levels.
• Point-to-Graphic Verification: Prepare and review point lists (both hardwired and high-level interfaces), controls, alarm logs, trend data, and graphic screens.
• Wiring & Start-Up Checks: Perform physical wiring inspections, verify field device integrity, and support system start-ups and plant integration.
• HVAC System Support: Provide automation and commissioning support for chillers, AHUs, and ventilation systems.
• System Diagnostics: Identify, analyze, and resolve system faults; recommend fixes and improvements; offer technical support to wider project teams.

The Requirements:

• Must be authorised to work in the UK.
• 2+ years of experience in commissioning, preferably within data centers or critical facilities.
• Bachelor’s degree in engineering (electrical, mechanical, or related field) or equivalent experience.
• Experience with PLC systems in industrial or pharmaceutical settings.
• Understanding of HVAC systems, instrumentation, and control protocols (e.g., Modbus, BACnet).
• Proven ability to read technical drawings, schematics, and system architecture documents.

Seniority level

• Entry level

Employment type

• Contract

Job function

• Engineering and Information Technology

Industries

• IT Services and IT Consulting

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