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ISS Facilities Services; Cambridgeshire and Peterborough; On-site; GBP 44,000 - 46,000; Full time

Job summary

ISS Facilities Services is seeking a professional Mobile AC & Refrigeration Engineer to maintain, fault-find, repair and install air conditioning and HVAC systems in commercial buildings around Cambridge. This is a field-based, permanent role with responsibility for supporting broader building services maintenance while complying with health and safety requirements.

You will perform PPM, reactive maintenance, and installations, diagnose faults, manage client relationships, and keep accurate

Qualifications

• Experience providing air conditioning and HVAC-related building services maintenance, including fault finding, maintenance and installation.
• Previous experience delivering both reactive and planned preventative maintenance (PPM).
• Experience working within facilities management or building services in commercial properties.
• Experience working to strict health and safety procedures, including risk assessments and method statements.
• Ability to build positive client relationships and provide a professional service at all times.
• Proactive approach to identifying service improvements and innovations.

Responsibilities

• Carry out AC and HVAC-biased PPM, proactive and reactive maintenance works within agreed timeframes.
• Undertake maintenance of other building services, including fabric, HVAC and mechanical systems.
• Provide callout support as part of the client callout rota.
• Complete new installations and major and minor repairs on client air conditioning systems.
• Diagnose and repair system and plant faults, including basic electrical fault finding.
• Undertake contractor control duties, including monitoring workmanship and issuing Permits to Work.
• Ensure all AC equipment operates to specified performance standards and company requirements.
• Maintain accurate records and complete all administrative documentation in a timely manner.

Skills

Air conditioning & HVAC maintenance

PPM & reactive maintenance

FM/building services experience

Health & safety procedures

Client relationships

Service improvements & innovations

Education

City & Guilds 2079 Safe Handling of Refrigerants or CITB J11

NVQ Level 2/3 in Commercial Refrigeration & AC

NVQ Level 2/3 in Heating & Ventilation

NVQ Level 2/3 in Heating & Ventilation Service & Maintenance

Job description

Mobile AC & Refrigeration Engineer

Company: ISS Facilities Services

Salary: £43,500 to £46,000 a year

Hours: Full-time

Location: Cambridgeshire

Working pattern: Field-based

Job type: Permanent

Posting date: 18 Sept 2026

Closing date: 18 Oct 2026

Summary

Mobile AC & Refrigeration Engineer

Contract: Key Account Network

Location: Cambridge, and surrounding areas

Hours of work: 41.25

Contract Type: Permanent

Job Description

We are looking for a professional and safety-conscious engineer with experience in commercial building services environments.

This role involves maintaining, fault finding, repairing and installing AC and HVAC systems while supporting wider building services maintenance activities and ensuring full compliance with health and safety requirements.

• Carry out AC and HVAC-biased PPM, proactive and reactive maintenance works within agreed timeframes.
• Undertake maintenance of other building services, including fabric, HVAC and mechanical systems.
• Provide callout support as part of the client callout rota.
• Complete new installations and major and minor repairs on client air conditioning systems.
• Diagnose and repair system and plant faults, including basic electrical fault finding.
• Undertake contractor control duties, including monitoring workmanship and issuing Permits to Work.
• Ensure all AC equipment operates to specified performance standards and company requirements.
• Maintain accurate records and complete all administrative documentation in a timely manner.

Professional and Personal Competencies/Qualifications

Skills & Experience

• Experience providing air conditioning and HVAC-related building services maintenance, including fault finding, maintenance and installation.
• Previous experience delivering both reactive and planned preventative maintenance (PPM).
• Experience working within facilities management or building services in commercial properties.
• Experience working to strict health and safety procedures, including risk assessments and method statements.
• Ability to build positive client relationships and provide a professional service at all times.
• Proactive approach to identifying service improvements and innovations.

Qualifications

City & Guilds 2079 Safe Handling of Refrigerants or CITB J11 Equivalent.

AND

One of the following:

• NVQ Level 2/3 or City & Guilds in Commercial Refrigeration and AC Systems; or
• NVQ Level 2/3 or City & Guilds in Heating and Ventilation; or
• NVQ Level 2/3 or City & Guilds in Heating and Ventilation Service & Maintenance.

Additional Requirements

Full UK Driving Licence.

Strong understanding of H&S regulations, risk assessments and COSHH requirements.

The Company

ISS is a world-leading workplace and facility management company, connecting people and places to make the world work better. Working with customers day by day, side by side, we understand every aspect of the user experience.

Through a unique combination of intelligent solutions, high standards and people who care, to help our customers achieve their purpose, whether it’s hospitals healing patients, businesses producing the next great innovation, or airports bringing passengers home to their families. ISS is committed to doing business the right way, taking its corporate responsibility very seriously. Our passion is people.

We offer you a challenging and exciting career in an organisation with people at its heart. In ISS, everyone has the opportunity to develop, grow and make a difference. #Becomewhoyouwant, #Bepartofsomethingbigger,

#aplacetobeyou,

#facilitiesmanagement

ISS is proud to be a diverse and inclusive employer.

ISS welcomes all applicants regardless of age, disability, gender identity or gender reassignment, marital or civil partnership status, pregnancy or maternity, race (which includes race, colour, nationality, ethnic or national origin and caste), religion or belief, sex, sexual orientation or educational background.

We are proud to be a Gold Employer Recognition Scheme (ERS) award holder and a signatory of the Armed Forces Covenant, recognising our commitment to supporting veterans, reservists, and military families. Through our Joint Forces Programme, we provide mentoring and support to members of the Armed Forces community and their spouses as they transition into civilian careers.

We are a Disability Confident Committed (Level 2) employer, proudly supporting and promoting inclusive hiring practices in line with the UK government’s Disability Confident scheme.

Our passion for inclusivity and diversity makes ISS a more creative, productive and happy place to work.

Proud member of the Disability Confident employer scheme

About Disability Confident Disability Confident is a government scheme. It encourages employers to recruit and retain disabled people and those with long term health conditions.