HV Substation Lead Supervisor - 132kV Live Work

Construction, Property and Engineering; Holyhead; On-site; GBP 52,000 - 62,000; Full time

Job summary

Randstad CPE are recruiting a National Grid Competent Person for a major 132kV substation project in Holyhead. The role is site-based at Penrhos and involves leading designated work parties inside live substation compounds.

The assignment runs through Easter 2027 with a rate of £38.00–£45.00 per hour umbrella PAYE inside IR35, working 07:30–16:30 Monday to Friday. Applicants should have NSI 6/8, SSSTS/SMSTS, and UK work rights.

Qualifications

• National Grid Competent Person authorization (Current on EUSR).
• NSI 6 & NSI 8 (Full).
• Valid SSSTS or SMSTS.
• Proven track record leading work parties on high-voltage substation builds/upgrades.
• Right to work in the UK and full driving licence.

Responsibilities

• Act as the appointed Competent Person receiving and working under National Grid safety documentation (PTW / Limited Access).
• Supervise civil, structural, and cabling gangs within live 132kV compound environments.
• Manage and maintain safe work zones and green-tape demarcation as per NSI 6.
• Control and monitor the movement and operation of plant, MEWPs, excavators, and cranes under NSI 8.
• Deliver daily briefings, review RAMS, and enforce safe working clearances from live HV assets.

Skills

NSI 6

NSI 8

SSSTS/SMSTS

Right to work in the UK

Competent Person Authority (EUSR)

Job description

Randstad CPE are recruiting a National Grid Competent Person for a major 132kV substation project in Holyhead. The role is site-based at Penrhos and involves leading designated work parties inside live substation compounds.

The assignment runs through Easter 2027 with a rate of £38.00–£45.00 per hour umbrella PAYE inside IR35, working 07:30–16:30 Monday to Friday. Applicants should have NSI 6/8, SSSTS/SMSTS, and UK work rights.