HVAC & Building Services Engineer – On-Call

Unify; Reading; On-site; GBP 32,000 - 46,000; Full time

Job summary

Unify is seeking an experienced Air-Conditioning Engineer to join our facilities team in Reading and surrounding region. You will carry out planned maintenance, reactive repairs and small works across multiple commercial sites, ensuring safety and regulatory compliance.

The role requires an NVQ Level 2 in Air Conditioning & Refrigeration, a valid F-Gas certificate and a full UK driving license. You will work a Monday–Friday schedule with on-call duties and a strong emphasis on customer

Qualifications

• Must hold an NVQ Level 2 in Air Conditioning & Refrigeration.
• Valid F-Gas Certification (C&G 2079 - Category 1) is required.
• Proven knowledge of air conditioning systems and general mechanical building services.
• Proven multi-trade capability covering general building upkeep beyond core HVAC work.
• Strong fault-finding and repair skills with a proactive, customer-focused approach.

Responsibilities

• Uphold stringent health and safety protocols to ensure compliance with regulatory and company standards.
• Carry out planned preventative maintenance, reactive repairs, and small works across a portfolio of commercial sites.
• Diagnose faults and repair HVAC systems including splits, VRFs, AHUs, DX systems, and occasional central plant.
• Maintain FGAS compliance records and update internal reporting systems accurately.
• Perform general building maintenance including basic electrical, plumbing, carpentry, painting, and minor fabrication.
• Utilize mobile tech to manage, update, and close work orders.
• Collaborate with planners, colleagues, and store managers, and participate in on-call rota.

Skills

Fault finding & repair

Multi-trade capability

Customer-focused

Interpersonal skills

Flexibility & learning mindset

Education

NVQ Level 2 in Air Conditioning & Refrigeration

F-Gas Certification (C&G 2079 - Cat 1)

Job description

Unify is seeking an experienced Air-Conditioning Engineer to join our facilities team in Reading and surrounding region. You will carry out planned maintenance, reactive repairs and small works across multiple commercial sites, ensuring safety and regulatory compliance.

The role requires an NVQ Level 2 in Air Conditioning & Refrigeration, a valid F-Gas certificate and a full UK driving license. You will work a Monday–Friday schedule with on-call duties and a strong emphasis on customer