Building Services Engineer – Thames Valley North

Acorn; High Wycombe; On-site; GBP 40,000 - 48,000; Full time

Benefits offered by this job

Family Friendly Pay

Life Assurance

Death in Service Insurance

360 Wellbeing App, including 24/7 GP

Fertility Treatment Support Leave

Paid Maternity Leave

Paid Paternity Leave

Gym membership discounts

Refer-a-Friend Bonus Scheme

Employee Recognition Programme

Job summary

Acorn, a long‑standing provider of engineering and compliance services in Thames Valley, is seeking a Building Services Engineer (Van Mobile) to deliver planned preventative maintenance, servicing and reactive repairs across multiple client sites. You will work independently with support from a dedicated helpdesk and contract managers, maintaining records and ensuring safety and compliance on every site.

This role covers Thames Valley North and offers a structured pathway for maintenance

Qualifications

• City & Guilds in Mechanical Engineering or equivalent qualification.
• Completed a recognised mechanical engineering apprenticeship or time-served maintenance engineer.
• Strong knowledge of M&E building services.
• Experience with HVAC systems, boilers, air conditioning, ventilation, heating and cooling systems.
• Understanding of Legionella awareness and health & safety regulations.
• Good working knowledge of Microsoft Office, including Outlook, Word and Excel.
• Excellent communication and organisational skills.
• Ability to work independently and as part of a team.
• Full UK driving licence.

Responsibilities

• Planned preventative maintenance and reactive maintenance works.
• Diagnosing and repairing mechanical and building services plant.
• Attending breakdowns and service calls.
• Maintaining accurate records and reporting on completed works.
• Liaising with clients and providing updates on work progress.
• Maintaining site logbooks and compliance documentation.
• Participating in the out-of-hours emergency call-out rota.
• Ensuring all work is completed safely and in accordance with company procedures.

Education

City & Guilds in Mechanical Engineering or equivalent qualification

Tools

MS Office (Outlook, Word, Excel)

Full UK driving licence

Job description

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 our sites around Thames Valley North area.

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.

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.

Location: Thames Valley North

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

Hours: 41.25 hours a week

We believe in supporting our employees both professionally and personally.

As part of our team, you'll enjoy:

Family Friendly Pay

Life Assurance

Death in Service Insurance

360 Wellbeing App, including 24/7 access to GP appointments

Fertility Treatment Support Leave

Paid Maternity Leave

Paid Paternity Leave

Gym membership discounts and a wide range of lifestyle savings

Employee Refer-a-Friend Bonus Scheme

Employee Recognition Programme

The Role

As a Van Mobile Engineer, you will be responsible for carrying out planned preventative maintenance, servicing and reactive repairs across multiple customer sites. You will work independently while maintaining close communication with clients, subcontractors, the helpdesk team and contract managers to ensure the highest levels of service delivery.

Key responsibilities include:

Planned preventative maintenance and reactive maintenance works

Diagnosing and repairing mechanical and building services plant

Attending breakdowns and service calls

Maintaining accurate records and reporting on completed works

Liaising with clients and providing updates on work progress

Maintaining site logbooks and compliance documentation

Participating in the out-of-hours emergency call-out rota

Ensuring all work is completed safely and in accordance with company procedures

About You

To be successful in this role, you will have:

City & Guilds in Mechanical Engineering or equivalent qualification

Completed a recognised mechanical engineering apprenticeship or be a time-served maintenance engineer

Strong knowledge of M&E building services

Experience working with HVAC systems, boilers, air conditioning, ventilation, heating and cooling systems

Understanding of Legionella awareness and health & safety regulations

Good working knowledge of Microsoft Office, including Outlook, Word and Excel

Excellent communication and organisational skills

Ability to work independently and as part of a team

Full UK driving licence

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