Senior Authorised Person

Job description

Senior Authorised Person – Data Centre Project – London – ASAP start – Day rate, outside IR35 – Monday to Friday

We are supporting a leading engineering contractor delivering critical infrastructure for a major data centre client. They are looking to appoint an experienced Energy Marshal to join a live project in London, with a clear pathway onto a follow on scheme. You will act as the senior HV authority on site, responsible for control of energy, switching operations, and safe energisation of a complex substation feeding a large scale data centre.

Key Responsibilities:

• Lead HV safety and act as the authorised person for control of energy
• Plan and execute switching operations and energisation activities
• Oversee safe systems of work and ensure compliance with site procedures
• Coordinate with client teams, utility providers, and internal delivery teams
• Manage shutdowns and power distribution into the data centre
• Support ongoing site operations during final project phases

Requirements:

• Proven experience as a Senior Authorised Person
• Strong background working on data centre or similar critical infrastructure projects
• Experience with 66kV systems and downstream distribution
• GIS experience essential
• Ideally 132kV authorised (or working towards)
• Strong communication skills and ability to operate in high-pressure environments

Contract details:

• 12 month contract, outside IR35
• Monday – Friday
• ASAP start
• Long term pipeline of work with a major data centre client
• Opportunity to transition onto a 132kV project

If you are an experienced SAP looking for your next contract within a fast paced data centre environment, please apply or get in touch for more details.

Extra information

Status

Open

Education Level

Secondary School

Location

London Area

Type of Contract

Full-time jobs

Published at

03-04-2026

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English