Overview
Mechanical Supervisor (Plumbing) – Location: HMP Chelmsford. Salary: £45,303.07. Contract: Full time/Perm.
Are you an accomplished Plumber with experience managing or leading teams from a Facilities, Forces or Healthcare background looking for your next challenge? We are seeking a dedicated Mechanical Supervisor to join our team at HMP Chelmsford, a Category B & Adult/male prison.
Join a team that is more than just a group of colleagues — we work to create a safe and secure environment, with a focus on rehabilitation and positive change.
As part of the Facilities Maintenance Team, we help ensure the smooth and safe operation of the site, recognizing how our work impacts prisoners, staff, visitors and the wider community.
If you are looking for a role where you can use your skills to create a better future for others, we encourage you to apply for this opportunity and join us in our mission.
Responsibilities
* Lead and work with a team of trades including Plumbers, Electricians, Carpenters, Painters, Cleaners, and Administrators to maintain and improve building services.
* Oversee mechanical and plumbing systems, ensuring safe, compliant, and reliable operation within a secure environment.
* Coordinate planned and reactive maintenance, manage priorities, and support project needs.
* Promote a safety-first culture, uphold quality standards, and contribute to continuous improvement.
Qualifications
* C&G 6189 Plumbing and domestic heating
* C&G 5962 certificate in Plumbing (Advanced Craft)
* C&G 6019 Mechanical Engineering services (plumbing)
* C&G 6018 Heating and ventilation installation
* C&G 6129 certificate in Plumbing
* C&G 214 Engineering systems maintenance
* C&G 6188 Heating and ventilating
* C&G 6088 certificate in heating and ventilating
* C&G 6032 the advanced craft certificate in plumbing
* EAL Diploma in Plumbing and Heating
* A minimum of five years' experience, ideally within an FM environment and/or secure environment (military, health or similar sectors)
* Experience working on commercial or industrial heating, water or building service systems
* Familiar with Water Supply Regulation and Control of Legionella L8 requirements
* Good Health & Safety knowledge
* Excellent organisational, time management and people skills
* Risk awareness, compliance understanding, and demonstrable planning and project management skills
Benefits
Holidays are 25 days per year plus Bank Holidays, with a range of non-contractual benefits including Death in Service at 4x salary, access to private GP consultations, an Employee Assistance Programme, and retailer discounts. There is a strong focus on safety, a supportive and inclusive workplace, and opportunities for career progression.
GFSL emphasises Pride in People and commitment to diversity and inclusion. The organisation intends to transfer FM services to a private sector provider in Autumn 2026 following a procurement process.
We are an ISO 9001 Certified Company.
Location notes: Dartford, Enfield, Erith, Basildon, Harlow, Northfleet, London, Epping and other UK sites may be listed for related roles.
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