Acorn Engineering Limited
AC Supervisor
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South East England
At Acorn, people are at the heart of everything we do. With over 40 years’ experience delivering market‑leading engineering and compliance services across London and the South East, we have built a reputation based on trust, technical excellence, and long‑term partnerships with our clients.
We are seeking an experienced Air Conditioning Supervisor to join our growing team. This is a hands-on leadership role for a highly skilled AC/HVAC professional who enjoys solving technical challenges, supporting engineers, and maintaining the highest standards of service delivery.
As the technical lead for air conditioning systems, you will provide expert guidance on complex faults, support operational teams, and help drive technical excellence across a varied commercial portfolio.
Package & Benefits
- Location: Slough and South East England (with regular travel to client sites)
- Salary: Depending on experience
- Hours: 41.25 hours a week
We believe in supporting our employees both professionally and personally.
As part of our team, you'll enjoy:
- Family Friendly Pay
- Life Assurance
- Death in Service Insurance
- Scottish Widows Pension Scheme
- 360 Wellbeing App, including 24/7 access to GP appointments
- Fertility Treatment Support Leave
- Paid Maternity Leave
- Paid Paternity Leave
- Gym membership discounts and a wide range of lifestyle savings
- Employee Refer-a-Friend Bonus Scheme
- Employee Recognition Programme
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Key Responsibilities
- Provide technical support and guidance for complex air conditioning faults and system issues.
- Carry out maintenance, servicing, repairs, and fault diagnosis across a range of AC equipment.
- Support engineers on-site, ensuring work is completed safely and to a high standard.
- Ensure compliance with F-Gas regulations and company procedures.
- Assist with technical surveys, remedial proposals, and system improvement recommendations.
- Mentor and develop engineers through coaching and sharing best practice.
- Maintain exceptional standards of quality, customer service, and technical compliance.
What We're Looking For
- Proven experience as a senior Air Conditioning or HVAC Engineer.
- Strong fault-finding and diagnostic capabilities.
- Excellent technical knowledge across a range of AC systems.
- F-Gas Category 1 Certification.
- Relevant Air Conditioning/HVAC qualifications.
- Full UK Driving Licence.
- Strong communication and organisational skills.
- Ability to influence and support engineers across multiple sites.
Desirable
- Experience supporting quotations, surveys, and remedial projects.
- Knowledge of CAFM systems and digital reporting tools.
- Experience within commercial environments.
- IOSH Working Safely or equivalent Health & Safety qualification.
- Additional manufacturer training and certifications.
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Career Prospects at Acorn
Acorn is committed to developing its people for the long term.
Many of our engineers progress into senior engineering, specialist, or management roles as they grow within the business. We actively encourage skill development, increased responsibility, and career progression for individuals who show commitment, reliability, and a strong customer‑focused approach.
As our service offering and client base continue to grow, there are ongoing opportunities for overtime, role development, and exposure to a wide variety of technically interesting sites and systems.
Why Join Acorn?
- A stable, well‑established company with over four decades of industry experience
- A supportive, knowledgeable internal team that understands engineering roles
- A strong focus on teamwork, professionalism, and safety
- Genuine long‑term career progression opportunities
- PPM‑led work across varied sites in the local and surrounding counties
We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, colour, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability
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