Senior HVAC Supervisor & On-Site Technical Lead

Acorn Engineering Limited; Slough; On-site; GBP 42,000 - 64,000; Full time

Benefits offered by this job

Family Friendly Pay

Life Assurance

Death in Service Insurance

Pension Scheme

Wellbeing App

Fertility Treatment Support Leave

Paid Maternity Leave

Paid Paternity Leave

Gym membership discounts

Refer-a-Friend Bonus

Recognition Programme

Job summary

Acorn Engineering Limited is seeking an experienced Air Conditioning Supervisor in Slough and the South East. The role leads a team of engineers, oversees complex AC faults, and ensures compliance with F-Gas regulations across a varied commercial portfolio.

You will mentor engineers, support on-site operations, and drive technical excellence while maintaining exceptional service standards. Travel to client sites is required and salary is based on experience.

Qualifications

• Proven senior AC/HVAC engineer experience.
• F‑Gas Cat 1 certification required.
• Full UK driving licence essential.
• Strong fault‑finding and diagnostic skills.

Responsibilities

• Provide technical support for complex air conditioning faults.
• Carry out maintenance, servicing, and fault diagnosis across equipment.
• Support engineers on-site and ensure safe, high‑quality work.
• Ensure compliance with F‑Gas regulations and procedures.
• Assist surveys, remedial proposals, and system improvements.
• Mentor engineers through coaching and best practice.
• Maintain high standards of quality and customer service.

Skills

Fault-finding

Technical knowledge

Communication

Organisational skills

Leadership

Education

F-Gas Category 1 Certification

Full UK Driving Licence

Air Conditioning/HVAC qualifications

Tools

CAFM systems

Digital reporting tools

Job description

Acorn Engineering Limited is seeking an experienced Air Conditioning Supervisor in Slough and the South East. The role leads a team of engineers, oversees complex AC faults, and ensures compliance with F-Gas regulations across a varied commercial portfolio.

You will mentor engineers, support on-site operations, and drive technical excellence while maintaining exceptional service standards. Travel to client sites is required and salary is based on experience.