Building Services Engineer (North London Hertfordshire and East)

North London, Hertfordshire and East

Building Services Engineer

Join our team of mobile engineers and take ownership of a varied portfolio across North London, Hertfordshire and the East, helping keep our clients' buildings safe, efficient and running at their best.

Acorn is a well-established building services provider delivering mechanical, electrical, HVAC and compliance services to commercial properties across London and the South East. With over 40 years of industry experience, we have built a reputation for providing high-quality engineering solutions and excellent customer service.

The Role

We are seeking an experienced Van Mobile Engineer to join our engineering team. The successful candidate will be responsible for carrying out planned preventative maintenance, reactive repairs and fault finding across a variety of commercial sites.

The role involves working independently while maintaining strong communication with clients, colleagues and subcontractors to ensure a consistently high standard of service delivery.

Key Responsibilities

Acorn promotes a professional, inclusive, and collaborative working environment where engineers are trusted and supported. You will be backed by a dedicated internal helpdesk, administration team, and experienced contract managers who understand the realities of working on site and are committed to helping you and your team succeed.

Package & Benefits

What We Offer

Competitive package

Salary up to £44,000 depending on experience, plus overtime and call-out opportunities.

Stable hours

41.25 hours a week - Monday to Friday

Company Van

Company van and fuel card so you can focus on the job, not the travel costs.

Wellbeing support

Wellbeing benefits including 24‑hour turnaround GP appointments for the whole family.

Time off

25 days holiday to rest and recharge properly and Bank Holidays

Events and schemes

Company events, pension scheme and salary sacrifice options as part of your package.

Key Responsibilities

• Carry out planned preventative maintenance and reactive repair works.
• Diagnose and rectify faults on building services equipment.
• Maintain and develop positive relationships with clients and site contacts.
• Liaise with the Helpdesk, Administration Team and Contract Managers.
• Complete service reports and associated paperwork accurately and on time.
• Review and maintain site logbooks and statutory records.
• Attend emergency call-outs and participate in the out-of-hours call-out rota.
• Ensure compliance with company Health & Safety procedures and site requirements.

Knowledge And Experience

• Good knowledge of M&E building services.
• Experience working with HVAC systems including air conditioning, boilers, controls, ventilation, heating and cooling systems.
• Understanding of Legionella control measures.
• Strong awareness of Health & Safety requirements within a building services environment.

Qualifications

• City & Guilds Mechanical Engineering qualification or equivalent.
• Time-served Mechanical/Maintenance Engineer with apprenticeship background preferred.

Competent user of Microsoft Office applications including Outlook, Word and Excel.

Skills And Attributes

• Full UK Driving Licence.
• Excellent communication and customer service skills.
• Strong organisational and time management abilities.
• Self-motivated and able to work independently.
• Team player with a proactive and professional attitude.
• Ability to assess faults and determine effective repair solutions.

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.

Send us your details and a copy of your CV to apply for the Building Services Engineer Lead position. Our team will review your application and get back to you as soon as possible.

Need more info?

Dale

Hiring contact

[email protected]