Mechanical Site Supervisor in London, London

Mechanical Site Supervisor (Authorised Person)
Contract: Inside IR35

About the Role
We are looking to strengthen our Construction team with a Mechanical Site Supervisor (Authorised Person) based in Beckton.

Reporting to the Senior Commissioning Manager, you will be responsible for supervising and controlling all mechanical AP site activities, ensuring work is delivered safely, efficiently, to specification, and within programme. You will play a key role in maintaining quality standards, ensuring all inspections, testing, and documentation are completed throughout the project lifecycle.

Key Responsibilities

• Support the Site Manager in maintaining a safe working environment for employees, subcontractors, and visitors.
• Achieve and maintain Authorised Person (AP) status through the company's Mechanical AP assessment process.
• Ensure all relevant Health, Safety and Environmental documentation is received, reviewed, and maintained at the latest revision.
• Carry out and manage mechanical isolations in line with project requirements.
• Manage and maintain Mechanical Inspection & Test Plans (ITPs).
• Review project documentation to ensure works are fully defined and understood before execution.
• Review and provide feedback on Method Statements and Work Instructions.
• Supervise works to ensure compliance with approved procedures and specifications.
• Monitor and record project progress using drawings and other reporting tools.
• Identify, record, and manage non-conformances and improvement opportunities, ensuring corrective actions are implemented.
• Ensure a high-quality installation is achieved with all ITPs completed as works progress.

Experience

• Previous experience working within the Energy, Utilities, Water, or Industrial sectors.
• Strong understanding of pipework fabrication, welding, and mechanical installation.
• Ability to assess welding quality and inspect mechanical works.
• Experienced in snagging and punch-listing pipelines using Isometric, GA, and P&ID drawings.
• Previous experience operating in an Authorised Person (AP) role.

Skills & Knowledge

• Strong understanding of mechanical installation and commissioning processes.
• Knowledge of inspection, testing, and quality assurance requirements.
• Ability to interpret technical drawings and project documentation.
• Excellent communication and site supervision skills.
• Commitment to maintaining the highest standards of health, safety, and quality.

Qualifications

• HNC/HND in Mechanical Engineering, or
• Recognised apprenticeship in pipework and welding, supported by relevant industry experience.
• SSSTS
• CSCS Card
• First Aid qualification
• Essential: Must hold current Mechanical Authorised Person (AP) status

Company information

At First Recruitment Group we understand just how important it is to secure the right people. That is why our Recruitment Consultants always take the time to understand requirements in detail and offer sound advice to both clients and candidates.  We actively recruit at all levels and this is a superb opportunity for any Site Supervisor looking for new employment.

As part of putting people first, we strive to be an equal opportunities employer and we are always looking to increase the diversity of our workforce, working closely with our clients to ensure everyone is included.

Voceer presents this job opportunity for First Recruitment Group, a 50 person sized company who are categorized as a Recruitment Agency.

This position is being managed by First Recruitment Group, a reputable recruitment agency known for placing candidates in desirable positions.

All round workforce agency covering Recruitment, Payroll and Workforce Management. We are a global recruitment agency specialising in the Oil & Gas, Nuclear, Power, Water, Rail, Construction, Technology, Aerospace & Defence, Chemicals and Corporate sectors. Our specialist consultants help clients to recruit high quality candidates into temporary, contract and permanent roles at all levels. We proudly support a partnership culture by collaborating and adding value to build lasting client and candidate relationships.

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