Building Services Engineer

At Acorn, people are at the heart of everything we do. With over 40 years’ experience delivering market‑leading engineering and compliance services across London and the South East, we have built a reputation based on trust, technical excellence, and long‑term partnerships with our clients.

We are recruiting a Foot Mobile Engineer to cover a prestigious Central London patch.

This is a walking mobile role
, with engineers travelling between sites on foot and via public transport. The position suits someone who is organised, proactive and comfortable working independently while maintaining high standards of service across multiple client locations.

You will carry out planned preventative maintenance, servicing and reactive repairs across a varied portfolio of client sites, working independently but supported by a dedicated helpdesk and contract management team.

Location:
Central London

Salary: up to £44000 depending on experience plus overtime and callout

Hours: 41.25 hours a week

Company Benefits

Company Events

Wellbeing Benefits – 24 hours turnaround GP appointment for the whole family

25 days holiday (not including bank holidays)

Zone 1 & 2 Travel Card

Carry out planned preventative maintenance (PPM), servicing and reactive repairs across assigned sites

Attend call‑outs during normal working hours and participate in the out‑of‑hours emergency rota

Communicate effectively with clients, suppliers and subcontractors

Liaise closely with the internal helpdesk and administration teams

Accurately complete reports, job sheets and compliance documentation

Maintain log books and site records

Ensure punctual attendance, professional presentation and correct use of PPE

Good working knowledge of M&E building services

Experience with HVAC plant including air conditioning, boilers, controls, heating and ventilation

Strong awareness of health and safety requirements

City & Guilds in Mechanical Engineering or equivalent

Time‑served mechanical or maintenance engineer (apprenticeship preferred)

Proficient in Microsoft Office (Word, Excel, Outlook)

Excellent communication and time management skills

Highly organised and self‑motivated

Strong interpersonal skills

Comfortable working independently or as part of a team

Able to assess faults and make informed maintenance decisions

This role is dedicated to Central London
, making it ideal for engineers experienced in working across high-density, central London environments using public transport.

Acorn is committed to developing its people for the long term.

Many of our engineers progress into senior engineering, specialist, or management roles as they grow within the business. We actively encourage skill development, increased responsibility, and career progression for individuals who show commitment, reliability, and a strong customer‑focused approach.

As our service offering and client base continue to grow, there are ongoing opportunities for overtime, role development, and exposure to a wide variety of technically interesting sites and systems.

A stable, well‑established company with over four decades of industry experience

A supportive, knowledgeable internal team that understands engineering roles

A strong focus on teamwork, professionalism, and safety

Genuine long‑term career progression opportunities

PPM-led work across varied sites in the local and surrounding counties

We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, colour, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability

When you apply, we may conduct a background check using public databases and websites and utilising a web search engine. Your CV may be retained for a maximum period of one year.

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