Commissioning Engineer - 400kV

Overview

This role is to commission a 400kV AIS substation, working on high-voltage circuits, transformers, harmonic filters, and protection/control systems. We value diversity and welcome all applicants.

Responsibilities

• Inspect and verify protection panels, CTs, VTs, DCBs, and AIS equipment.
• Perform wiring checks and insulation resistance tests.
• Validate control schemes and conduct earthing transformer acceptance tests.
• Execute primary and secondary testing: CT/VT checks, relay secondary injection, and protection scheme validation.
• Test BCU, AVR functions, and trip circuit supervision.
• Conduct functional and integration testing, including IEC 61850 and SCADA interface trials.
• Support commissioning and energisation activities, including relay and metering checks.
• Collaborate with multidisciplinary teams to deliver project objectives.

Qualifications

• Experience commissioning 400kV AIS substations or similar projects.
• Strong knowledge of protection/control systems and testing methods.
• Familiarity with IEC 61850 and SCADA systems.
• Excellent problem-solving and communication skills.
• Relevant engineering degree or equivalent.
• Available to work on-site in scotland, starting June, 6 months rolling.

We foster an inclusive environment and encourage applicants passionate about high-voltage engineering to apply!

CMC is an equal opportunity employer. We welcome applications from individuals of all ages and backgrounds and assess candidates solely on merit, skills, and potential. No terminology in this advert is intended to discriminate in any way.

We welcome applications/enquiries from individuals of all backgrounds and are committed to providing equal access to employment opportunities across all regions in which we operate.