f-gas & ac engineer.

Location

Castleford

Salary

34k/year - 41k/year

Job Type

Contract - outside IR35

Work Style

Remote

Posted

28 September 2026

About this Role

Air Conditioning Engineer

Location: Yorkshire, with nationwide travel

Division: Building Services

Role: 1 position

Sigma is looking for an experienced Air Conditioning Engineer to join our Mechanical & Electrical team.

You’ll be responsible for the installation, servicing, maintenance, fault-finding and commissioning of commercial air conditioning and heat pump systems across nationwide retail and commercial sites.

We’re looking for someone with:

  • Proven commercial AC and heat pump experience
  • Strong VRF/VRV, split and multi-split knowledge
  • Experience with Mitsubishi Electric and Daikin
  • Excellent refrigeration, electrical and fault-finding skills
  • Current F-Gas Category 1
  • Relevant Level 2/3 qualification or proven occupational competence
  • Valid CSCS/ECS card and full UK driving licence
  • A professional, safety-focused approach and willingness to travel

Experience in live retail or other business-critical environments is advantageous. Additional qualifications such as electrical, IPAF, PASMA or manufacturer training are desirable.