Senior Electrical Engineer Transmission & Substation Maintenance Engineer
PROFESSIONAL SUMMARY:
Electrical Engineer with 10+ years of experience in operation, maintenance, testing,
commissioning, and troubleshooting of HV/MV electrical systems within transmission networks,
substations, power plants, and transformer projects.
Experienced in 132kV, 230kV, 380kV, and 500kV systems including GIS/AIS substations, power
transformers, switchgear, protection systems, disconnectors, earthing switches, CTs, VTs, surge
arresters, and auxiliary systems.
Proven track record in outage management, root cause analysis, equipment reliability
improvement, transformer diagnostics, condition assessment, and commissioning of critical
electrical assets while maintaining strict compliance with utility standards, IEC requirements, and
HSE regulations
CORE TECHNICAL COMPETENCIES
• 380kV / 230kV / 132kV Transmission Substations
• GIS & AIS Maintenance
• Power Transformer Installation & Commissioning
• Preventive & Corrective Maintenance
• Reliability & Condition Assessment
• Switching Operations & Outage Management
• Root Cause Analysis (RCA)
• Transformer Diagnostics (IR, TTR, SFRA, Tan Delta)
• Circuit Breaker Maintenance
• Protection & Control Systems
• Permit To Work (PTW)
• IEC Standards
• HSE Compliance
• Team Leadership
• Technical Reporting
Professional Experience:
Transmission Engineer- Al-Othman Consultants
National Grid Saudi Arabia (SEC/NG)
Job Position: Since Jan 2026 – Continue
• Performed operation, maintenance, troubleshooting, testing, and commissioning activities
for high-voltage substations up to 380kV.
• Executed preventive, predictive, and corrective maintenance of power transformers,
GIS/AIS equipment, current transformers (CTs), voltage transformers (VTs/CVTs), surge
arresters, batteries, and auxiliary systems.
• Maintained and tested high-voltage circuit breakers, including Oil Circuit Breakers (OCBs)
and SF6 Circuit Breakers, covering mechanical inspection, contact resistance, timing tests,
gas pressure checks, leak detection, and operational checks.
• Performed maintenance and troubleshooting of disconnectors, earthing switches, motoroperated mechanisms, marshalling kiosks, and associated control circuits.
• Conducted electrical diagnostic tests, including insulation resistance (IR), winding
resistance, turns ratio (TTR), sweep frequency response analysis (SFRA), contact
resistance, capacitance & tan delta measurements, and DFRA.
• Carried out condition assessment and health monitoring of power transformers and high voltage primary equipment.
• Assisted in commissioning, functional checks, and energization of new substation
equipment and bays.
• Coordinated shutdown activities, switching operations, equipment isolation, and permit-towork procedures in accordance with approved safety practices.
• Supervised field technicians and contractors during maintenance, testing, and
commissioning activities.
• Prepared technical reports, maintenance records, inspection reports, and equipment
performance evaluations.
• Ensured compliance with utility standards, IEC standards, and HSE requirements.
• Participated in failure investigations and root cause analysis (RCA) to improve equipment
reliability and reduce forced outages.
Senior Engineer-Installation, Testing and CommissioningSaudi Power Transformer Company, Saudi Arabia
Job Position: Since Jan 2024 – Jan 2026
• Lead Installation, Testing, and Commissioning of power transformers at multiple
substations:
• Sulayyil and Wadi Al-Dawasir (2x20MVA, 33/13.8kV)
• Modon-3 (5x100MVA, 115/33kV)
• Al Kharj (1x100MVA, 115/33kV)
• SWCC Jeddah Shuaibah-3 (67MVA, 110/13.8/6.573kV)
• East Madinah (2x40MVA, 110/14.5/6.613kV) Oil to Oil
• Riyadh Future City (67MVA, 132/13.8kV)
• EWA, East hidd Bahrain (3x20MVA, 66/11.5kV) Oil to Oil
• ROSHN Jeddah (3x67MVA, 110, 13.8kV)
• PSSA & PSSB (10x100MVA, 132/33kV)
• GCP1 Jaffurah (1x50MVA, 230/13.8kV)
• Hamdaniyah Jeddah (3x67MVA, 110/13.8kV)
• Muhayil (2x67MVA, 132/13.8kV)
• Mansoriyah Makkah (3x67MVA, 110/13.8kV)
• Riyadh 9013, 8024 (3x100MVA, 132/33/13.8kV) Oil to Oil and SF6
1180MW (500 kV) Combined Cycle Power Plant Bhikki: Harbin Electric International
Job Position: March 2023 to Sep 2023 Team Lead – Maintenance Engineer - Electrical
• Maintenance of Power Transformers, Generators, Excitation, and associated systems
• Maintenance of 500 kV Switchyard
• Healthiness check of Protection relays and critical loops
• Compilation of equipment master data and PM Plans of all Electrical Equipment to be
uploaded into SAP
• Relays Operation checks software-based relays, fault analysis, and testing of
MiCOM Protection Relays
• Analysis of Transformer Oil Tests
• Scheduling and maintaining the Preventive and Corrective maintenance.
• All types of Motor Starters, including DOL, Star/Delta, Soft Starters, and VFD Starters,
troubleshooting, Complete Overhauling in case of excessive Vibration, Temperature, and
abnormal sound • Installation, Pre-commissioning, and Commissioning testing of all Electrical Equipment,
including Transformers, NGR, Panels (LV/MV Switchgears, UPS, and generator Control
Panels)
AGITROL SOLUTIONS PVT. LTD
Job Position: August 2017 – Feb 2023 Senior Testing and Commissioning Engineer
• Executed testing and commissioning for substations and power plants
• Specialized in GIS AC HIPOT, transformer diagnostics, and protection systems
Major Projects & Contributions (Selected):
• Delivered testing & commissioning of 132kV grid stations (Tricom, Master Green),
including AC Hi-Pot @230kV testing
• Executed full scope commissioning for 220/132kV NTDC Jhimpir-II Grid Station including
auto transformers, CTs, VTs, CVTs, surge arresters, and SF6 breakers
• Led testing activities for 100MW Andritz project, including GIS AC Hi-Pot, SF6 systems,
and battery bank load testing
• Completed transformer testing and OLTC overhauling for DG Cement (132kV), including
oil dehydration and replacement
• Performed testing of generators, CTs, CBs, and transformers for the 270MW HUBCO
power plant
• Delivered testing, commissioning, and maintenance of 132kV switchyards (Askari
Cement), including generators, VCBs, CTs, and VTs
• Supervised generator testing for 2×660MW Sahiwal Coal Power Plant with international
EPC contractors
• Executed master service agreement for 900MW Lalpir Power Plant, covering full
transformer fleet testing and condition assessment
• Completed hydro generator testing for 175MW Chashma Plant, including rotor, stator, and
excitation systems
• Perform