Commissioning Engineer

RJ Urmson Group; Chorley; On-site; GBP 45,000 - 55,000; Full time

Job summary

RJ Urmson Group is seeking a Commissioning Engineer for on-site work across HVAC and building services. You will perform commissioning, testing, balancing, and reporting to ensure safety, efficiency, and compliance with client specifications.

You should have hands-on commissioning experience, strong mechanical knowledge of HVAC, and the ability to interpret drawings and test procedures. A full UK driving licence and willingness to travel to site are required.

Qualifications

• Strong mechanical engineering knowledge of HVAC systems.
• Hands-on commissioning experience with start-up and performance verification.
• Ability to interpret drawings, specifications, and test procedures.
• Willingness to travel to client sites and maintain safety standards.

Responsibilities

• Carry out commissioning and testing of HVAC, mechanical, and building services systems.
• Balance ventilation and water systems in line with CIBSE codes.
• Produce accurate test reports and documentation.
• Collaborate with project managers, site teams and clients to resolve technical issues.

Skills

Mechanical engineering

Troubleshooting

Report writing

Education

Technical qualification or apprenticeship in building services engineering

Job description

Company Description

RJ Urmson Group is an independent HVAC, water treatment, and fire systems engineering company with 30 years of experience serving sectors such as healthcare, education, retail, manufacturing, commercial, and residential. The group consists of five companies, including RJ Urmson Commissioning Engineers Ltd, Urmson LLP, National Hygiene Services Ltd, Urmson Fire Specialists Ltd, and B&R Consulting Engineers [IOM] Ltd. The organization is recognized for its deep expertise in regulatory standards and guidelines, including British Standards (BS), Health Technical Memorandums (HTM), and ISO frameworks, supported by site-specific protocols such as IQ and OQ. Services range from verification of critical ventilation systems and operating theatres to fire safety surveys, water treatment and testing, and a wide spectrum of ventilation and hygiene-related testing and maintenance. RJ Urmson Group attributes its success to a highly skilled workforce recruited from mechanical, electrical, service, and commissioning disciplines.

Role Description

The Commissioning Engineer role is a full-time, on-site position. The Commissioning Engineer will carry out commissioning and testing of HVAC, mechanical, and related building services systems, ensuring they operate safely, efficiently, and in line with relevant standards and client specifications. Day-to-day responsibilities include balancing ventilation and water systems in line with CIBSE codes, troubleshooting; producing accurate test reports and documentation; and collaborating with project managers, site teams, and clients to resolve technical issues. The role involves working on a variety of projects testing ventilation, and water systems, applying regulatory knowledge and site-specific procedures to support compliance and performance.

Qualifications

• Candidates should possess strong mechanical Engineering knowledge of HVAC systems
• Candidates should have hands-on experience as Commissioning Engineers, with proven ability in system start-up, commissioning, and performance verification.
• Candidates should demonstrate effective Troubleshooting skills for identifying, diagnosing, and resolving technical and operational issues.
• Relevant technical qualification or apprenticeship in electrical, mechanical, or building services engineering (CSA grading preferred but not essential.
• Ability to interpret technical drawings, specifications, and test procedures, with strong attention to detail and accurate reporting skills.
• Good communication skills, a safety-focused mindset, and the ability to work both independently and as part of a multidisciplinary team.
• Full UK driving license and willingness to travel to client sites as required.