Senior Mechanical Supervisor

Galliford Try Group; Hampton; On-site; GBP 50,000 - 70,000; Full time

Benefits offered by this job

Generous holiday entitlement

Corporate discounts

Cycle to Work schemes

Private medical scheme options

Free 24/7 employee assistance programme

Job summary

Galliford Try Group in Hampton is seeking a Senior Mechanical Supervisor to oversee mechanical installations across various projects. This role is vital for ensuring high-quality work and compliance with project standards. The ideal candidate will have significant water industry experience and strong leadership abilities.

Your responsibilities will include supervising subcontractors, ensuring safe operations, and collaborating closely with project managers. A competitive salary and comprehensive benefits package are offered.

Qualifications

• Experience in water industry mechanical installation and supervision.
• Understanding of mechanical and electrical water industry equipment.
• Competence in Microsoft Office for task reporting.

Responsibilities

• Lead mechanical installation works on projects to ensure safety.
• Supervise subcontractors and maintain high standards.
• Coordinate with project teams for mechanical activities.

Skills

Water industry experience

Mechanical installation supervision

Health and safety knowledge

Leadership skills

Problem-solving

Collaboration

Education

HNC in Mechanical Engineering

CSCS or ECS card

EUSR National Water Hygiene Card

SSSTS (minimum) or SMSTS (preferred)

Tools

Microsoft Office

Job description

Senior Mechanical Supervisor

Hampton, Middlesex

This role is central to delivering mechanical installation works across framework projects. As Senior Mechanical Supervisor, you’ll ensure safe, high‑quality installation, support efficient commissioning, and maintain strong coordination with Project Managers, MEICA Leads, subcontractors, and commissioning teams.

You’ll be responsible for day‑to‑day supervision of mechanical works, ensuring compliance with client standards, supporting design development, and helping to deliver successful project handover. This role suits someone with strong water‑industry mechanical experience who enjoys problem‑solving, collaboration and leading teams on site.

What you'll be doing:

Mechanical Installation & Site Supervision

• Lead the mechanical installation works on assigned projects, ensuring safe systems of work.
• Ensure mechanical works meet programme requirements and support efficient commissioning.
• Supervise mechanical subcontractors, maintaining high standards of safety, quality and compliance.
• Review and authorise RAMS; conduct regular mechanical site safety inspections.
• Ensure all mechanical testing, inspections and documentation follow the Inspection & Test Plan.

Design, Quality & Technical Compliance

• Provide input to mechanical design requirements and specifications.
• Ensure all mechanical installation meets client specifications, Asset Standards and WIMES where applicable.
• Coordinate with specialist support functions (e.g., DSEAR, Technical Authors, Document Control).
• Ensure O&M information and records are complete and issued appropriately.
• Work closely with the MEICA/Commissioning team throughout commissioning stages.
• Maintain snagging lists and drive completion of outstanding works.
• Support reliability testing and integration with existing operational assets.
• Assist with operational and maintenance activities before takeover.

Planning, Coordination & Communication

• Ensure mechanical activities are aligned with the overall project programme.
• Attend commissioning meetings and support updates to the MEICA/Commissioning programme.
• Witness FAT testing as required.
• Collaborate closely with the client’s Asset Operations Team to support smooth integration.

About you:

The successful candidate should have:

• Previous experience in the water industry.
• Proven experience supervising mechanical installation through to successful project takeover.
• Strong understanding of water‑industry mechanical and electrical equipment.
• Experience leading teams on site and working directly with clients.
• Strong understanding of health, safety and environmental requirements.
• Good knowledge of water‑industry processes.
• Competence in Microsoft Office for reporting tasks.
• HNC in Mechanical Engineering.
• CSCS or ECS card.
• EUSR National Water Hygiene Card.
• SSSTS (minimum) or SMSTS (preferred).

The ideal successful candidate would have:

• First Aid at Work.
• CompEx (FxF or equivalent).

What We Can Offer in Return:

We put our people first and our benefits package reflects that by offering a comprehensive range of attractive options to help support your career on top of a competitive salary.

• Generous holiday entitlement, increasing with years of service, plus the opportunity to purchase further holidays
• A wide range of corporate discounts
• Cycle to Work schemes
• Regular Save as You Earn share purchase scheme
• Private medical scheme options are available for all salaried employees and our employee assistance programme also provides free 24/7 support to those who need it
• Paid for yearly membership to one recognised professional association relevant to your role

Disability & Diversity

As a Disability Confident employer, we commit to offer an interview to any candidate with a long‑term health condition or disability that meets the essential criteria for the advertised position. Please contact the Resourcing Partner listed within the job advert if you believe this applies to you. We will also discuss any adjustments required for your interview.

All applicants are considered equally and receive the same level of consideration regardless of gender, race, age, disability, sexual orientation, religion or belief.