Substation Commissioning Engineer - CE141 / SR141 / TP141

Egis Group; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Egis Group (Omnia Projects UK) seeks an experienced Commissioning Engineer to support protection, control and SCADA commissioning across distribution assets up to 132kV. The role covers testing, integration and project delivery with strong emphasis on safety, regulatory compliance and client liaison.

You will perform pre-commissioning, witness testing, and relay checks, with travel between sites and sites nationwide as needed.

Qualifications

• Proven history delivering protection commissioning in electricity distribution/transmission.
• Experience with protection on distribution asset classes (switchgear, transformers, feeders).
• Willingness to travel between locations and obtain required authorisations.

Responsibilities

• Perform pre-commissioning inspections and off-load commissioning tests.
• Witness factory acceptance testing and project meetings as required.
• Conduct insulation resistance, primary/secondary injection tests and relay logic checks.
• Test and prove relay programmable logic files and DNP3/IEC61850 interfaces.
• Interface with customers and internal/external resources; record time spent on projects.

Skills

Protection commissioning

Substations

SCADA integration

UK driving licence

Education

HNC in Electrical Engineering

TP141/SR141/CE141

Job description

About Us

Company Description

Egis is a leading global architecture, consulting, construction engineering and operating firm. We work side by side with clients to build a more balanced, sustainable and resilient world.

Omnia Projects, part of the Egis Group, are a UK-based engineering consultancy specialising in electricity Transmission and Distribution (T&D) providing engineering, project management and technical assurance.

Project Description

The successful individual will support and work with the inhouse project delivery team to provide works across several asset classes to include substations, underground cables, overhead lines and civils. This will cover at all system voltages from low voltage (LV) up to and including 132kV.

About the Role

Role Overview
The Commissioning Engineer supports project-based works, portfolios of projects, and ad-hoc repairs, ensuring the commissioning and integration of protection, control, and SCADA systems across all distribution asset classes (overhead lines, underground cables, substations, civil works, and work programmes). The role involves undertaking all aspects of commissioning activities to ensure assets are fit for purpose and meet regulatory and customer obligations.

Key Responsibilities

• Perform pre-commissioning inspection prior to off-load commissioning tests.
• Check detailed schematics against connections, protection, and tripping logic diagrams.
• Attend Factory Acceptance Testing and project-specific meetings as required.
• Conduct off-load commissioning checks, including:
• Witness testing of primary substation plant (circuit breakers, switches/disconnectors, transformers, voltage and current transformers).
• Insulation resistance, primary and secondary injection tests.
• Circuit logic tests against DC schematic diagrams.
• Testing integral relay logic.
• Protection relay checks (distance relays, feeder differential, transformer differential, frequency, G99 type, high impedance busbar, blocked busbar protection).
• Auto-reclose scheme checks.
• Intertripping and signalling equipment checks.
• Testing integration of protection systems with control and SCADA using DNP3 and IEC61850 protocols.
• Testing and proving relay programmable logic files, relay setting files, and DNP3 communication files.
• Interface with customers, internal and external resources.
• Complete all work in line with company objectives (time, cost, quality).
• Accurately record all time spent on projects and provide timely reports on progress and status.
• Provide guidance and support to other members of the Protection Commissioning Team.
• Use and update company data and information systems, including comprehensive commissioning records and on-site fault/defect investigations.
• Undertake duties under the CDM Regulations as Designer and/or Contractor.

What do we need from you

Knowledge & Qualifications

• Minimum Higher National Certificate (HNC) in Electrical Engineering.
• TP141 OR SR141 OR CE141 Certification Essential
• Proven working history in the electricity distribution/transmission industry delivering protection commissioning, typically with 10+ years’ experience practicing as a Commissioning Engineer.
• Skills, experience, and detailed knowledge of protection on all distribution asset classes of switchgear, transformers, and feeders at all voltages up to and including 400Kv.
• High level of professionalism, able to work under pressure and to tight timescales.
• Strong preference for recent experience in commissioning protection systems associated with generation connections, including integration with legacy protection and control systems.
• Must either possess or be capable to successfully obtain and maintain the following Company Operational Authorisation requirements:
• A1 Access and Supervision to substations controlled by a level 3 key.
• A2.1 and A2.4 Access and Supervision to open compounds.
• O11.11 Testing & Commissioning of all Primary S/S & Bulk Supply Point protection up to & including 132kV.
• O11.18 Work on protection, control, and equipment including assisting an engineer with the testing & operation of relays and isolated plant.
• Willingness to travel between work locations, sites, and company/supplier offices.
• Current and valid UK driving licence.

What's in it for you?

Additional Information

• Services are delivered nationally.
• Expenses for travel and accommodation incurred for company needs will be paid separately, subject to company allowances and contract terms.
• The allocation and mix of project work may vary and will be determined by company priorities.
• All work should be performed in strict accordance with company processes, procedures, and industry best practice.

Equality, Diversity & Inclusion

We at EGIS are an Equal Opportunities employer and we recognise the value of a Diverse Organisation. EGIS appreciates all job applications. If you decide to apply for an opportunity at EGIS, your application will be assessed based purely on your experience, the essential and desirable criteria, and your suitability for the role. We value each and everyone’s contribution as this builds our culture and means, if you work for EGIS, you will be included, listened to, and respected.