Building Services Engineer – Central London

Join Acorn - Build your Career

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.

Package & Benefits

Location: Central London

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

Hours: 41.25 hours a week

Company Benefits

• Pension scheme
• 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

Key Responsibilities

• 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

What we are looking for

Knowledge & Competencies

• Good working knowledge of M&E building services
• Experience with HVAC plant including air conditioning, boilers, controls, heating and ventilation
• Understanding of Legionella control
• Strong awareness of health and safety requirements

Qualifications & Experience

• City & Guilds in Mechanical Engineering or equivalent
• Time‑served mechanical or maintenance engineer (apprenticeship preferred)
• Proficient in Microsoft Office (Word, Excel, Outlook)

Personal Skills

• 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

Location Focus

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

Career Prospects at Acorn

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.

Why Join Acorn?

• 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