Building Services Engineer - Multiple locations

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 currently seeking a Building Services Engineer to join our team, carrying out planned preventative maintenance (PPMs) across client sites in Hampshire and the surrounding counties.

Our Culture

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 succeed. We value clear communication, strong client relationships, and personal accountability. Teamwork is central to how we operate, with engineers working closely with internal teams to ensure work is completed efficiently, safely, and to a high standard. Health and safety, presentation, and pride in workmanship are fundamental to everything we do, and we believe these values are key to both client satisfaction and employee wellbeing.

Package & Benefits

• Locations: West End, City of London, West & North West London, South & South East London, North London, Hertfordshire & East, Thames Valley North, Thames Valley South, Oxford, Midlands & National
• Salary: Up to £44,000 depending on experience, plus overtime and call‑out payments.
• Hours: 41.25 hours per week – Monday to Friday
• Company Benefits: Competitive pension scheme, regular company events, wellbeing package including access to a GP appointment within 24 hours for you and your family, 25 days annual leave plus bank holidays, company van and fuel card provided.

About The Opportunity

We are looking for skilled and motivated engineers to join our growing team across the South East. In return, we offer a competitive salary, excellent benefits, ongoing support, and opportunities for career development within a well‑established and respected business.

What We Are Looking For

We are looking for a reliable and professional Building Services Engineer who takes pride in planned maintenance work and understands the importance of consistency, presentation, and client engagement. The successful candidate will ideally have:

• Proven experience working as a Building Services or Maintenance Engineer
• A solid understanding of mechanical building services, including HVAC systems, heating, ventilation, and associated plant
• Experience delivering planned preventative maintenance across commercial sites
• The ability to work independently, manage time effectively, and plan workloads efficiently
• Strong communication skills and a professional, customer‑focused approach
• A good understanding of health and safety and site compliance
• Relevant mechanical or building services qualifications (City & Guilds or equivalent preferred)
• A full UK driving licence

We value attitude and reliability as much as technical skill, and we are keen to hear from engineers who want to build a long‑term future with a growing business.

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.

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

Need more info? Dale will be happy to help! dale.leer@acornlimited.co.uk