Job Title: Mobile Mechanical Service Engineer (HVAC/AHU) – Electrical Qualified
Location: London (99% within M25)
Salary: Up to £48,000 per annum + overtime + standby allowance
Contract Type: Permanent, Full-time
Working Hours: 8:00am to 5:00pm
Call-Out Rota: 1 week in 7
Reporting To: Operations Manager
Overview
Valoris Group is recruiting for a Mobile Mechanical Service Engineer with a strong HVAC and AHU focus, who is electrically qualified to support a growing building services provider across London and the M25. This field-based role is suited to an engineer who is primarily mechanically led in day-to-day work across plant and HVAC systems but holds solid electrical qualifications to support safe isolation, fault finding, inspection, and compliance tasks.
Role Responsibilities
Mechanical & HVAC Maintenance (Primary Focus)
- Deliver planned, reactive, and statutory maintenance on HVAC plant and mechanical systems across client sites.
- Service, fault find, and maintain Air Handling Units (AHUs), Fan Coil Units (FCUs), ventilation systems, pumps, motors, and associated mechanical plant.
- Carry out belt changes, bearing replacements, filter changes, lubrication, and general mechanical servicing.
- Diagnose faults across mechanical plant including airflow issues, vibration, and system inefficiencies.
- Maintain and repair mechanical components linked to heating, ventilation, and chilled water systems.
- Work on plant room equipment including valves, actuators, and pipework systems.
Electrical Duties & Compliance (Qualified Support Role)
- Carry out safe isolation of mechanical plant and electrically driven equipment.
- Support electrical fault finding on motors, control panels, and associated HVAC systems.
- Conduct electrical inspection, testing, and compliance tasks where required.
- Complete minor electrical works linked to mechanical plant maintenance.
- Produce accurate certification and documentation including EICRs, test results, and remedial reports.
- Ensure all works comply with 18th Edition Wiring Regulations (BS7671) and health and safety standards.
Inspection & Operational Delivery
- Attend multiple sites as directed by the Service Desk.
- Identify and report remedial works and compliance issues.
- Respond to emergency callouts and complete urgent repairs efficiently and safely.
- Provide clear updates and technical guidance to clients on-site.
- Maintain accurate service records using mobile job management systems.
- Participate in the on-call rota and provide occasional out-of-hours support when required.
Essential Qualifications
- NVQ Level 3 in Electrical Installation or Maintenance
- 18th Edition Wiring Regulations (BS7671)
- City & Guilds 2391 Inspection & Testing (or equivalent)
- Full UK Driving Licence
Desirable Qualifications
- HVAC or mechanical engineering qualifications
- F-Gas awareness
- IPAF and/or PASMA
- Experience working with BMS interfaces and control systems
Experience Required
- Minimum 3 years experience working within building services maintenance
- Strong hands-on experience working on HVAC systems, AHUs, FCUs, pumps, and ventilation plant
- Electrically qualified with experience in isolation, testing, and fault finding
- Experience working across commercial environments
- Experience delivering both planned preventative maintenance and reactive callouts
- Previous mobile role experience advantageous
Skills & Competencies
- Strong diagnostic and fault-finding ability across HVAC and plant systems
- Confident working on electrically driven mechanical equipment
- Ability to interpret mechanical drawings and electrical schematics
- IT literate and confident using mobile job management systems
- Clear communication and professional client-facing approach
- Ability to work independently and as part of a wider service team
Personal Attributes
- Reliable with a strong work ethic
- Adaptable and flexible to operational needs
- Customer-focused and professional
- Team player with a proactive mindset
Physical Requirements
- Physically fit and comfortable lifting equipment
- Able to work at height and in confined spaces
- Willingness to travel across multiple sites within the M25
Package & Benefits
- Salary up to £48,000 per year
- Overtime paid at time and a half or double time
- £150 standby allowance (1 in 7 call-out rota)
- 25 days annual leave + bank holidays
- Company pension
- Generous sick pay and accident insurance
- Life assurance (2x salary)
- Private GP access and Employee Assistance Programme
- Annual eye care reimbursement
- Loyalty bonus after 2 years service
- Ongoing training, mentoring, and development support
- Reward and recognition schemes
- Company events
Eligibility
- Must have the right to work in the UK
- Full UK Driving Licence required
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