Commissioning Engineer
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Manchester, UK
Contract or Full time Permanent hire
Customer Note:
HV substations during construction, outage, and commissioning phases.
Site-based commissioning activities.
10 hours/day with 6 days/week and 11 days/fortnight rotations for onshore stations.
12 hours/day, 14 days rotation for offshore stations.
Job Description
The Commissioning Engineer is responsible for executing, and completing the commissioning of HV substations to ensure that all primary and secondary systems are installed, tested, and energised safely, in accordance with project specifications, statutory regulations, and client requirements.
Commissioning Execution
Plan and carry out interface commissioning activities for transformers, switchgear, protection, control, and auxiliary systems.
Execute commissioning in accordance with approved Commissioning Strategies, Inspection & Test Plans (ITPs), and Method Statements.
Coordinate commissioning activities across construction, protection, control, SCADA, and client teams to achieve safe energisation milestones.
Primary Equipment Commissioning
HV and MV equipment interface commissioning including:
Power transformers and auxiliary transformers
HV/MV switchgear (AIS, GIS)
Circuit breakers, disconnectors, earth switches
Current transformers (CTs) and voltage transformers (VTs)
Perform functional and operational checks prior to energisation.
Protection, Control & SCADA
Carry out testing and commissioning of protection and control schemes, including:
Differential, distance, overcurrent, busbar, and transformer protection
Inter-tripping, interlocking, alarms, and indications
Perform secondary and primary injection testing using approved test equipment.
Verify SCADA, remote control, and IEC?61850 communication where applicable.
Safety and Compliance
Carry out all commissioning activities in strict compliance with:
Client and companys Safety Rules and EHS procedures
Approved method statements and risk assessments
Maintain safe systems of work when interfacing with live or adjacent HV plant.
Stop work and escalate any unsafe conditions, non compliances, or protection anomalies.
Documentation & Quality
Produce, review, and sign off protection test records, relay settings verification sheets, and commissioning certificates.
Ensure test results comply with approved Inspection & Test Plans (ITPs).
Support resolution and closure of commissioning defects and punch list items.
Contribute to as built documentation and handover packs.
Interface & Support
Lead Commissioning Engineer
Site Manager
Client commissioning teams
Support commissioning panels, energisation reviews, and outage planning activities. xxuwjjq
Provide technical input during fault investigations or commissioning issues.
Authorisations
CAT-1 for non-energised SSEN stations and CAT-3 for energised SSEN stations
NGP for non-energised NG stations and NGCP for energised NG stations
CCNSG or equivalent ticket