Acorn Engineering Limited
Senior AC Engineer
20 days ago
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Important information
Contract type:
Permanent
Location:
Cardiff, UK
Work mode:
Onsite
Published on:
9 October 2026
What they need
Lead AC Engineer
Location: Cardiff, Cheltenham or surrounding areas
Coverage Area: South Wales with occasional travel to a small number of sites in North Wales
Salary: Competitive + Van + Overtime + Call Out Allowance + Benefits
Due to continued growth, we are looking to recruit a Lead AC Engineer to join our team supporting a portfolio of commercial sites across South Wales and selected locations in North Wales. This is an excellent opportunity for a highly skilled and self-sufficient engineer who enjoys managing their own workload and taking ownership of client relationships. This advert has been based on the requirements outlined in Job Description Person Spec - Mobile Air Conditioning Engineer
The Role
Reporting to the Contract Manager, you will be responsible for the maintenance, servicing, fault finding and repair of a variety of building services and HVAC systems across multiple commercial properties.
This is a mobile role requiring an engineer who can work independently, prioritise workloads effectively and provide a first-class service to clients.
Key Responsibilities
- Carry out planned preventative maintenance (PPM) and reactive repairs across a portfolio of commercial sites.
- Diagnose and repair HVAC and building services faults.
- Service and maintain air conditioning systems and associated controls.
- Complete accurate service reports and recommend remedial works where required.
- Build and maintain strong relationships with clients and site contacts.
- Liaise with helpdesk, administration teams and Contract Managers to ensure smooth service delivery.
- Participate in the out-of-hours call out rota.
- Ensure all work is completed safely and in accordance with current legislation and company procedures.
- Manage your own diary and workload with minimal supervision.
What We're Looking For
- Experienced Building Services, HVAC, Air Conditioning or Multi-Skilled Engineer.
- Strong fault-finding and diagnostic abilities.
- Able to work independently and make informed engineering decisions on site.
- Excellent customer-facing and communication skills.
- Experience working within commercial environments.
- Full UK Driving Licence.
- F-Gas Category 1 qualification preferred.
- Electrical qualifications advantageous.
- Good understanding of health & safety requirements.
- Competent with reporting systems, Outlook and mobile working technology.
What's On Offer
- Competitive salary.
- Company van and fuel card.
- Paid travel.
- Overtime opportunities.
- Call out allowance.
- Company pension.
- Ongoing training and development.
- Long-term career progression within a growing business.
Ideal Locations
We welcome applications from engineers based in:
Cardiff, Newport, Bridgend, Swansea, Cheltenham, Gloucester and surrounding areas.
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