Johnson Controls

Commercial HVAC and Gas Engineer

Johnson Controls

full-time

Posted on:

Location Type: Office

Location: Didcot • United Kingdom

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About the role

  • Carry out service, maintenance, and repairs on HVAC & refrigeration systems at client sites.
  • Install, service, and maintain gas and electric water heaters.
  • Replace and commission new heating systems and components.
  • Diagnose and resolve faults quickly and efficiently.
  • Perform Gas Safety checks on appliances and pipework installations.
  • Maintain internal and external water systems for optimal performance.
  • Ensure compliance with Health & Safety regulations and industry standards.
  • Complete accurate job sheets, service reports, and compliance documentation.
  • Liaise with clients and participate in an on-call rota for emergency call-outs.

Requirements

  • Proven HVAC service experience (e.g., AHUs, gas heaters).
  • Strong knowledge of HVAC systems (cold rooms, display cabinets, chillers, cellar cooling, ice machines).
  • Excellent troubleshooting skills.
  • Ability to work independently and as part of a team.
  • Qualifications: NVQ Level 2 or equivalent in Air Conditioning & Refrigeration.
  • F-Gas certification.
  • Commercial Gas qualifications (CODNCO1, CIGA1, ICPN1).
  • Gas Safe Registered.
  • Full UK driving licence and willingness to travel.
Benefits
  • Competitive salary + premium overtime rates, standby allowance, and paid call-outs.
  • Tools for success: Service van, mobile, tablet, PPE, and specialist tools.
  • Generous leave: 25 days holiday + bank holidays.
  • Pension, life assurance, EAP, referral scheme, retail discounts, Cycle2Work, and discounts on Johnson Controls products.
  • Safety-first culture: Zero Harm policy.
  • Inclusive environment: Access to Johnson Controls business resource groups with training and development opportunities.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
HVAC systemsrefrigeration systemsgas water heaterselectric water heaterstroubleshootingdiagnosing faultsservice maintenancecompliance documentationjob sheetsservice reports
Soft skills
independent workteamworkclient liaisonproblem-solvingcommunication
Certifications
NVQ Level 2 in Air Conditioning & RefrigerationF-Gas certificationCommercial Gas qualificationsGas Safe RegisteredFull UK driving licence