Building Services Engineer - Acorn Engineering Ltd : Job Details

Van Mobile Engineer

Position 1: London and the M25 Corridor

Position 2: Oxford and surrounding areas, including around and up to West London

Salary: Competitive – dependent on skills and experience

Hours: 41.25 hours per week, with opportunities for overtime

Company Overview

Acorn has been providing market-leading engineering and compliance services for over 40 years, supporting hundreds of sites across London and the South East. We deliver a full range of mechanical, electrical, and fabric services, alongside in-house expertise in water treatment, gas, air conditioning, and electrical work. Our strong reputation is built on technical excellence, reliability, and outstanding customer service.

Role Overview

We are looking for an experienced Building Services Engineer to carry out planned preventative maintenance, servicing, and repair works across a variety of contracts. This role requires a self-motivated engineer who can work independently, maintain high professional standards, and build strong relationships with clients and colleagues.

Key Responsibilities

• Undertake planned preventative maintenance, servicing, and repair works across various contracts.
• Communicate effectively with clients, suppliers, and sub-contractors to ensure smooth operations.
• Liaise with internal helpdesk and administration teams for efficient job coordination.
• Respond to call-outs during normal working hours and participate in the out-of-hours emergency rota.
• Ensure punctual site attendance, wearing correct PPE, and maintaining a professional appearance.
• Accurately complete and submit service reports and job records.
• Maintain and update log books or other relevant documentation as required.
• Keep Contracts Managers informed on job progress and provide client updates where necessary.

Essential Knowledge & Skills

• Knowledge of M&E building services.
• Knowledge of HVAC plant including A/C, boilers, controls, heating/cooling systems, and ventilation.
• Understanding of Legionella and Health & Safety requirements.
• Proficiency in Microsoft Office (Excel, Outlook, Word).
• Strong organisational, communication, and time management skills.
• Ability to work independently or as part of a team.

Qualifications

• City & Guilds in Mechanical Engineering or equivalent.
• Time-served mechanical/maintenance engineer (apprenticeship).
• Valid UK driving licence.

Personal Attributes

• Professional and reliable.
• Self-motivated and proactive.
• Problem-solving mindset with the ability to assess and resolve breakdowns efficiently.