GIS Commissioning Engineer

Job Description: GIS Commissioning Engineer – 220kV GIS (Siemens 8DN9-2)

Company: Management Solutions International (MSI)
Job Title: GIS Commissioning Engineer
Location: Qatar
Project Duration: 6 Months
Industry: Power Transmission / Electrical Substations
Equipment: 220kV Gas-Insulated Switchgear (GIS) – Siemens 8DN9-2
Busbar Configuration: Double Busbar Scheme

Job Summary

Management Solutions International (MSI) is seeking an experienced GIS Commissioning Engineer for a 6-month project in Qatar. The successful candidate will be responsible for the testing, inspection, commissioning, and functional verification of 220kV Gas-Insulated Switchgear (GIS), preferably Siemens 8DN9-2, configured in a double busbar arrangement.

The candidate will coordinate with installation teams, protection and control engineers, client representatives, and OEM specialists to ensure that all commissioning activities are completed safely and in accordance with approved procedures, technical specifications, and project requirements.

Key Responsibilities

• Perform commissioning and pre-commissioning activities for 220kV Gas-Insulated Switchgear (GIS).

• Conduct inspections and verify the correct installation and readiness of GIS equipment before commissioning.

• Carry out functional testing of circuit breakers, disconnectors, earthing switches, busbar sections, and associated GIS components.

• Verify the operation of electrical and mechanical interlocks, including busbar selection and switching sequences associated with the double busbar scheme.

• Perform circuit breaker timing, contact resistance, insulation resistance, and other applicable electrical tests in accordance with approved procedures and manufacturer recommendations.

• Supervise and coordinate SF gas quality checks, moisture and dew-point measurements, gas density monitoring, and leak detection activities, as applicable.

• Coordinate with protection and control teams to verify trip circuits, closing circuits, alarms, indications, interlocking signals, and interface signals.

• Review and interpret single-line diagrams (SLDs), schematic drawings, wiring diagrams, logic diagrams, and manufacturer commissioning manuals.

• Verify GIS control panels, local control cabinets, auxiliary circuits, and associated monitoring systems.

• Identify, troubleshoot, and resolve commissioning defects, technical issues, and equipment malfunctions.

• Prepare and maintain commissioning reports, inspection records, test results, punch lists, and handover documentation.

• Coordinate with the client, consultant, OEM representatives, and project team to resolve technical issues and obtain commissioning approvals.

• Ensure compliance with project specifications, applicable IEC standards, approved method statements, permit-to-work procedures, and site HSE requirements.

• Support final acceptance testing, system handover, and readiness for energization.

Qualifications and Experience

• Bachelor's degree or Diploma in Electrical Engineering or a related discipline.

• Minimum 8–10 years of experience in high-voltage electrical substations, with substantial hands-on experience in GIS testing and commissioning.

• Proven experience in 220kV GIS commissioning .

• Siemens 8DN9-2 GIS experience is highly preferred.

• Good knowledge of the double busbar configuration and associated switching and interlocking logic.

• Practical experience with GIS circuit breaker testing, electrical testing, functional checks, and commissioning documentation.

• Familiarity with protection and control systems and their interfaces with GIS equipment.

• Knowledge of SF gas handling, GIS gas monitoring, and leak detection procedures.

• Familiarity with applicable IEC standards, manufacturer procedures, and high-voltage safety practices.

• Experience working on utility, power transmission, EPC, or major substation projects is preferred.

Required Technical Skills

• 220kV GIS testing and commissioning

• Siemens 8DN9-2 GIS equipment

• Double busbar scheme

• Circuit breaker and disconnector testing

• Electrical and mechanical interlock verification

• Insulation resistance and contact resistance testing

• Circuit breaker timing and functional testing

• SF gas quality and leakage checks

• Protection and control interface testing

• Technical drawing interpretation and commissioning reports

• High-voltage safety and energization procedures

Preferred Experience

• Previous experience on Qatar or GCC power transmission and substation projects.

• Experience working with Siemens GIS equipment and OEM commissioning teams.

• Experience coordinating commissioning activities with utility clients and consultants.

• Availability to join for the 6-month project.