Building Services Engineer - Plumber

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 - Plumber to join our team, carrying out planned preventative maintenance (PPMs) across client sites in Milton Keynes.

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.

Responsibilites

• Carry out planned and reactive plumbing and mechanical maintenance, servicing, and repair works

• Ensure all works are completed in line with company procedures, current HVAC standards, and relevant legislation

• Attend reactive call‑outs during normal working hours and as part of the on‑call rota

• Maintain punctual site attendance, wearing issued PPE and company uniform at all times

• Accurately diagnose faults and recommend follow‑up or remedial works where required

• Submit clear, concise, and accurate job reports and completion notes

• Complete and submit weekly timesheets in line with company requirements

• Communicate effectively with Contracts Managers on job progress, issues, and completion

• Build and maintain positive working relationships with clients, suppliers, and internal teams

• Organise your own workload and manage time effectively to meet service expectations.

What We’re Looking For

Essential

• Proven experience as a plumbing or mechanical building services technician

• Ability to carry out planned and reactive maintenance independently

• Full UK driving licence

• Strong organisational skills with the ability to manage your own workload

• Clear and professional communication skills, both written and verbal

• A reliable, punctual, and professional approach to work

• Willingness to participate in an on‑call rota

Qualifications & Technical Skills

Essential

• Recognised trade background in plumbing or mechanical services

• Good understanding of health and safety requirements within building services

Desirable

• City & Guilds / NVQ in Plumbing or Mechanical Building Services

• Electrical qualification or basic electrical awareness

• Experience working in commercial or multi‑site environments

• Knowledge of wider building services systems

• Health & Safety training (e.g. asbestos awareness, manual handling)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