Mechanical Site Supervisor in Barking

Energy Jobline ZR; Barking; On-site; GBP 50,000 - 75,000; Full time

Job summary

First Recruitment Group is seeking a Mechanical Site Supervisor (Authorised Person) based at Beckton to supervise mechanical AP site activities, ensuring safety, quality, and programme delivery. You will work under the Senior Commissioning Manager with responsibilities for inspections, testing and documentation across the project lifecycle.

Role requires AP status, strong MS Office/ drawings interpretation, and experience in energy/utilities sectors.

Qualifications

• AP status required.
• Experience in energy, utilities, water, or industrial sectors.
• Ability to assess welding quality and inspect mechanical works.
• Familiar with Isometric, GA and P&ID drawings.

Responsibilities

• Supervise AP site activities ensuring safety, quality and on-time delivery.
• Achieve and maintain Authorised Person (AP) status through the AP assessment process.
• Ensure relevant Health, Safety & Environmental documentation is current and reviewed.
• Carry out and manage mechanical isolations as required by project.
• Maintain Mechanical ITPs and progress records.
• Review and provide feedback on Method Statements and Work Instructions.
• Supervise works to ensure compliance with procedures and specs.
• Monitor project progress using drawings and reporting tools.
• Identify, record, and manage non-conformances and corrective actions.
• Ensure high-quality installation with ITPs completed as works progress.

Skills

Mechanical installation

Commissioning processes

Quality assurance

Interpret drawings

Site supervision

Education

HNC/HND in Mechanical Engineering

Recognised apprenticeship in pipework & welding

First Aid qualification

SSSTS/CSCS Card

Tools

Isometric drawings

GA drawings

P&ID diagrams

Job description

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.
• SSSTSCSCS 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 of our workforce, working closely with our clients to ensure everyone is included.