SR163 Site Manager

Randstad Construction & Property; Trawsfynydd; On-site; GBP 65,000 - 96,000; Full time

Job summary

Randstad Construction & Property is seeking a Site Manager to lead civil engineering operations on a major electrical substation scheme in North Wales. The role is on-site, immediate start, and long-term, running up to two years with responsibility for safety, subcontractor delivery, and daily civils execution.

You will report to the Project Manager and direct engineering teams and specialist subcontractors to keep the lookahead schedule on track and ensure adherence to RAMS, quality and client

Qualifications

• Must hold valid National Grid competencies (e.g., NG Person / BAF / TP137).
• Proven track record delivering heavy civils on substations or energy schemes.
• Valid CSCS card, SMSTS and First Aid at Work.

Responsibilities

• Direct civil engineering teams and subcontractors on live substation infrastructure.
• Oversee groundworks, heavy foundations, RC structures, cable ducts and site access.
• Enforce HSEQ standards, RAMS, and client regulations; lead daily safety briefings.
• Coordinate supply chain partners, manage site logistics and daily production quality.
• Maintain daily site diaries and report scope changes as the main contractor interface.

Skills

National Grid Competencies

Civil Engineering Experience

CSCS Card

SMSTS

First Aid at Work

Job description

Location: Trawsfynydd, North Wales (On-site)

Duration: Up to 2 Years

Start Date: Immediate / ASAP

Rate: Competitive Daily Rate (Inside IR35)

Randstad is recruiting a Site Manager on behalf of a leading tier‑one contractor to manage civil engineering operations on a major electrical substation scheme in North Wales. This is an immediate, long‑term assignment running for up to two years, taking operational responsibility for site safety, subcontractor delivery, and daily civils execution.

The Role

Reporting to the Project Manager, you will take day-to-day operational control of the site, directing civil engineering teams and specialist subcontractors on live substation infrastructure. Your day-to-day will involve:

• Site Operations Leadership: Directing daily site activities, workforce management, and subcontractor delivery to keep the short-term lookahead schedule on track.


• Civil Engineering Delivery: Overseeing groundworks, heavy foundations, reinforced concrete (RC) structures, cable ducts, and site access infrastructure.


• HSEQ & National Grid Standards: Enforcing strict health, safety, environmental, and quality standards, leading daily briefings and ensuring strict adherence to RAMS and client regulations.


• Subcontractor Management: Coordinating specialist supply chain partners, managing site logistics, and maintaining daily production quality.


• Site Records & Reporting: Maintaining accurate daily site diaries, tracking scope changes, and acting as the primary face of the main contractor on site.

Essential Requirements

• National Grid Competencies (Essential): Must hold valid, active National Grid site competencies (e.g., NG Person / BAF / TP137 or equivalent site clearance).


• Civil Engineering Background: Strong, proven track record as a Site Manager delivering heavy civil engineering packages on electrical substations or major energy schemes.


• Site Credentials: Valid CSCS card, SMSTS, and First Aid at Work.


• Location & Mobility: Based in or commutable to North Wales (Trawsfynydd / Blaenau Ffestiniog) with a full UK driving licence.

Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application.

Candidates must be eligible to live and work in the UK.

For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business