Substation Commissioning Engineer (CE141 / SR141 / TP141)

About the role

Egis' Omnia Projects, a UK-based engineering consultancy within the Egis Group, is looking for a Substation Commissioning Engineer to support its in-house project delivery team. The role covers works across several asset classes including substations, underground cables, overhead lines and civils, at all system voltages from low voltage up to 132kV. It also supports project-based work, project portfolios and ad-hoc repairs.

Key responsibilities

• Perform pre-commissioning inspections before off-load commissioning tests and check detailed schematics against connection, protection and tripping logic diagrams.
• Attend factory acceptance testing and project-specific meetings as required.
• Carry out off-load commissioning checks: witness testing of primary substation plant (circuit breakers, switches/disconnectors, transformers, voltage and current transformers), insulation resistance and primary/secondary injection tests, circuit logic tests against DC schematics, integral relay logic and protection relay checks (distance, feeder differential, transformer differential, frequency, G99, high impedance busbar, blocked busbar).
• Check auto-reclose schemes, intertripping and signalling equipment, and test integration of protection with control and SCADA using DNP3 and IEC61850.
• Test and prove relay programmable logic files, relay setting files and DNP3 communication files.
• Interface with customers and internal and external resources, and record all time spent on projects with timely progress reports.
• Support other members of the Protection Commissioning Team, use and update company data and information systems, and undertake duties under the CDM Regulations as designer and/or contractor.

Required profile

• Minimum Higher National Certificate (HNC) in Electrical Engineering.
• Essential: TP141, SR141 or CE141 certification.
• Proven working history in electricity distribution or transmission delivering protection commissioning, typically 10+ years as a Commissioning Engineer.
• High level of professionalism, able to work under pressure and to tight timescales.
• Strong preference for recent experience commissioning protection systems for generation connections, including integration with legacy protection and control systems.
• Must hold or be able to obtain and maintain the specified operational authorisations (A1, A2.1/A2.4, O11.11, O11.18) and a current, valid UK driving licence.
• Willingness to travel between sites and offices.

Required skills

• Detailed knowledge of protection on switchgear, transformers and feeders up to 400kV.
• Protection commissioning and testing of relays and SCADA integration.

Services are delivered nationally; travel and accommodation expenses are paid separately subject to company allowances. The mix of project work varies according to company priorities, and work must follow company processes and industry best practice.