Site Supervisor

Description

Join Trant Engineering and help shape the delivery of complex, high-impact projects.

Trant Engineering is a leading EPC contractor with a strong reputation for delivering innovative engineering solutions across the UK and internationally. With over 1,000 employees and a £150m turnover, we’re growing—and now looking for a Civil Site Supervisor to play a key role in our project delivery teams.

The Role

We are seeking an experienced Civils SCO91 Authorised Person to support works on National Gas Transmission (NGT) infrastructure projects across Hampshire and the South Coast region.

This role will play a critical part in ensuring the safe control and coordination of civil engineering activities on high-pressure gas transmission assets, including compressor stations, AGIs, and associated pipeline works.

What You’ll Be Doing
1) Technical Responsibilities - Site Supervision

Act as the SCO91 Authorised Person, controlling and coordinating permits for site activities

Implement and manage Safe Control of Operations (SCO) procedures on National Gas sites

Issue and manage:

Permit to Work (PTW)

Forms of Authority (FoA)
Ensure all works comply with:

National Gas Transmission procedures

IGEM/GL/6 requirements

CDM Regulations and HSE standards

Coordinate civil subcontractors and site teams, ensuring safe sequencing of works

Carry out site inspections, audits, and safety briefings Maintain accurate documentation for permits, isolations, and control systems

2) Safety, Health, Environmental & Quality & Compliance 

Implement and enforce health, safety, and environmental policies on site. 

Conduct daily toolbox talks, risk assessments, and site inspections. 

Report incidents, near misses, and hazards promptly and accurately. 

Maintain accurate records of daily site activities, including work progress, inspections, and material usage.

Support QA/QC processes to ensure compliance with company and client standards. 

Assist with site handovers and defect management.

3) Stakeholder Communication 

Act as the first point of contact for on-site queries from operatives and subcontractors.

Provide regular updates to the General Foreman or Project Manager. 

Liaise with clients, inspectors, or other site visitors when required.

4) Key Interfaces: Internal Interfaces

General Foreman / Site Manager 

Principal Contractor

Client representatives

Authorising Engineers 
External Interfaces

Subcontractors & Suppliers 

Clients / Consultants 

Regulatory Authorities / Local Authorities
5) Core Values
 Uphold and promote the Company’s Core Values – Care, Trust, Respect and Sustainability. You may be required to undertake additional duties, consistent with the responsibilities and level of this role, beyond those specified above.

What We’re Looking For

Essential

Valid SCO91 certification (National Gas Transmission)
Proven experience working on NGT / National Grid Gas Transmission projects
Strong understanding of:

Safe Control of Operations (SCO)

Permit to Work systems
Registration on the National Gas / EUSR database
SHEA Gas certification
Civil engineering / utilities background (groundworks, pipelines, AGIs, etc.)
Excellent knowledge of site safety procedures and compliance requirements
Strong communication and leadership skills

Desirable

Temporary Works Supervisor / Coordinator
SMSTS or SSSTS
First Aid at Work

Experience on:

Compressor stations

High-pressure gas infrastructure

COMAH or energy sites

Why Join Trant?
At Trant, we offer the opportunity for career development and progression within a professional working environment, and we strongly encourage employees to gain professional qualifications and fully support individuals on their journeys.

We offer: 

Long-term pipeline of work across National Gas projects

Opportunity to work on critical UK energy infrastructure projects

Supportive project team and strong safety culture

Potential for progression into senior supervisory or Authorising Engineer roles

Our company benefits package includes.

Competitive rates / salary package.

Company car or car allowance.

24 days holiday (increasing with service) + 8 bank holidays.

Options to buy additional holiday via salary sacrifice.

Company Pension Scheme.

Employee Assistance Program.

Discretionary annual bonus.

Ready to take the next step in your planning career? Apply now and be part of something bigger