Supervisor Mechanical Level 3

Gov Facilities Services Limited (gfsl); Loose; On-site; GBP 41,000 - 56,000; Full time

Benefits offered by this job

25 days holidays + Bank Holidays

Private GP consultations

Employee Assistance Programme

Retailer discounts

Job summary

Gov Facilities Services Limited (GFSL) is seeking a Mechanical Supervisor (Plumbing) at HMP Swaleside to lead a skilled team and ensure reliable utility services within the prison. The role requires NVQ Level 3 or equivalent, at least five years in FM/secure environments, and strong health & safety knowledge.

You will oversee heating, water, and building services, while maintaining compliance and safeguarding staff and inmates.

Qualifications

• Five years' experience in FM or secure environments ideally (military/health).
• Experience with commercial/industrial heating and water systems.
• Familiar with Water Supply Regulation and Legionella L8 requirements.
• Good Health & Safety knowledge and protocols.
• Excellent organisational, time management and people skills.
• Strong risk, compliance and project management abilities.

Responsibilities

• Lead the mechanical maintenance team at HMP Swaleside, including Plumbers, Electricians and others.
• Ensure safe and secure operation, regulatory compliance and effective service delivery.

Skills

Leadership

Plumbing Expertise

Team Management

Health & Safety

Education

EAL Diploma in Plumbing and Heating

City & Guilds 6189 - Plumbing and Domestic Heating

BPEC Level 3 NVQ Diploma in Domestic Plumbing and Heating

City & Guilds 6019 - Mechanical Engineering Services (Plumbing)

City & Guilds 6288-31 - Heating and Ventilating Craftsperson

ETA Level 3 NVQ Diploma in Engineering Maintenance

Job description

Supervisor Mechanical Level 3

Date: 2026-09-22T01:37:58

Location: Maidstone, Kent, GB, ME15 6

Status: Any

Date Updated: 2026-10-21T04:06:43.517

Job Description

Mechanical Supervisor (Plumbing)

Location: HMP Swaleside

Salary: £48,412.56

Contract: Permanent, Full-Time, 39 hrs

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 Swaleside, a CATEGORY B & Male prison. Join a team that is more than just a group of colleagues - we work MONDAY TO SUNDAY as a supportive and driven family, working together to create a safe and nurturing environment.

HMP Swaleside runs like a self-contained town, it takes hundreds of people to keep it functioning, and as the Facilities Maintenance Team we are committed and driving the smooth and safe operation, like a heart that pumps blood through the body, everything we do impacts every prisoner, employee, and visitor, and wider to the families and community.

As a Mechanical Supervisor, you will have the opportunity to work alongside and lead experienced and passionate colleagues who vary from Plumbers, Electricians, Carpenters, Painters, to Cleaners, and Administrators, and others, who are all dedicated to making a positive difference, providing a safe and secure environment for all.

We are a Ministry of Justice business and provide critical and time-bound services to HMPPS, and are looking for a Supervisor with one of the following NVQ Level 3 or equivalent qualifications and combination of skills:

• EAL Diploma in Plumbing and Heating
• City & Guilds 6009/Q1014058 - Mechanical Engineering Services: Plumbing (Domestic)
• BPEC Level 3 NVQ Diploma in Domestic Plumbing and Heating
• City & Guilds 6189 - Plumbing and Domestic Heating
• City & Guilds 6032 - Advanced Craft Certificate in Plumbing
• City & Guilds 5962 - Certificate in Plumbing (Advanced Craft)
• City & Guilds 6019 - Mechanical Engineering Services (Plumbing)
• City & Guilds 6288-31 - Heating and Ventilating Craftsperson (Industrial & Commercial)
• ETA Level 3 NVQ Diploma in Engineering Maintenance
• City & Guilds 6188 - Heating and Ventilating
• City & Guilds 6088 - Certificate in Heating and Ventilating
• City & Guilds 6018 - Heating and Ventilation Installation
• City & Guilds 214 - Engineering Systems Maintenance

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, and ability to, work to Water Supply Regulation and Control of Legionella L8 requirements.

Good Health & Safety knowledge.

Excellent organisational, time management and people skills.

A rounded knowledge of risk and compliance and demonstrable planning & project management skills.

Explore a varied and rewarding career at GFSL. Welcome to careers at Gov Facilities Services Limited (GFSL). Joining us is your chance to help ensure prisons are secure and safe for prisoners and prison staff alike, and to play your part in helping prisoners reintegrate into society.

Holidays are 25 days per year plus Bank Holidays, and a range of non-contractual benefits are provided. These range from Death in Service at 4x salary, to access to private GP consultations and an Employee Assistance Programme that offers counselling and information services for preventative care and to help employees in a crisis. There are also a range of financial reward mechanisms and access to retailer discounts.

You will find a strong focus on safety, a supportive, inclusive workplace, a competitive benefits package, and real opportunity to build your skills and progress.

Explore facilities careers where you can make difference. Pride In People. We're passionate about promoting greater diversity and creating a workplace and culture where all of our employees have a voice that is heard, feel a sense of belonging and are empowered to be their true selves. We recognise the value that every single employee brings to the organisation. Everyone's needs at work are different and we are committed to doing our best to satisfy these differences whilst ensuring consistency and fairness for all. We promise to champion diversity and inclusion with ongoing learning and training, as well as career progression opportunities for everyone.

Future Plans. GFSL has been notified by its shareholder (MOJ) that the provision of FM Services will in future be delivered by the private sector. This means that following a successful procurement process, GFSL's services will complete transfer to a private sector provider/providers no sooner than August 2027.

Pride in People - Do the Right thing - One Team

An ISO 9001 Certified Company

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