Senior Electrical Commissioning Engineer

NextGrid LTD; Glasgow; On-site; GBP 65,000 - 90,000; Full time

Job summary

NEXTGRID LTD is seeking an experienced Senior Electrical Commissioning Engineer to plan, coordinate and deliver electrical testing, commissioning and energisation-readiness activities for HV/MV substations and power-system projects across Scotland, with a focus on Glasgow-area sites.

The role emphasizes commissioning and technical verification, with additional support for protection and control and auxiliary-system design, while NEXTGRID LTD retains responsibility for project engineering

Qualifications

• Experience planning commissioning activities and preparing test plans.
• Lead on-site pre-commissioning and functional testing of HV/MV substations.
• Test and verify protection and control systems.
• Coordinate SCADA and control-system interface checks.
• Prepare test records and commissioning dossiers for handover.

Responsibilities

• Plan commissioning activities and prepare procedures, schedules, and criteria.
• Lead on-site pre-commissioning and functional testing of HV/MV substations.
• Test protection and control systems, including relay logic and interlocks.
• Coordinate testing of transformers, switchgear, and UPS.
• Produce test records and handover documentation; coordinate client acceptance.

Skills

HV/MV Substations

Site commissioning

Protection & control

SCADA systems

Test procedures

Technical reporting

Job description

Senior Electrical Commissioning Engineer

To plan, coordinate and deliver electrical testing, commissioning and energisation-readiness activities for HV/MV substations and power-system projects undertaken by NEXTGRID LTD. The role will be predominantly site-based at project locations across Scotland, mainly in and around Glasgow, and will focus primarily on commissioning and technical verification with a smaller element of protection, control and auxiliary-system design support. NEXTGRID LTD will retain responsibility for project engineering deliverables and outcomes.

Main duties and responsibilities

• Plan commissioning activities, prepare test procedures, inspection and test plans, schedules, checklists and technical acceptance criteria for assigned project packages.
• Lead or perform site pre-commissioning, functional testing and commissioning of HV/MV substations, GIS/AIS equipment and associated electrical systems.
• Test and verify protection and control systems, including relay functions, trip circuits, interlocking schemes, alarms, indications, wiring, I/O and signal interfaces.
• Perform or coordinate testing of transformers, CTs/VTs, circuit breakers, switchgear, UPS, battery chargers and AC/DC auxiliary supplies, as applicable to project scope.
• Carry out SCADA and control-system interface checks, point-to-point verification, system integration tests and commissioning fault investigations.
• Assess commissioning results, resolve non-conformances and technical issues, and support safe energisation and system handover in accordance with approved procedures.
• Produce and review test records, technical reports, punch lists, commissioning dossiers and handover documentation; coordinate technical witnessing and client acceptance.
• Provide secondary engineering support, including review or preparation of protection and control schematics, AC/DC system diagrams, interface drawings, interlocking logic and design changes.
• Coordinate technical interfaces with clients, equipment suppliers and contractors while complying with project safety, quality and permit-to-work arrangements.