First seen by Alion on Oct 9, 2026.
We are an integrated electric power technology company. We are principally engaged in the provision of comprehensive power system engineering and technical solutions for the design, procurement, construction, installation, and commissioning of HV and EHV substations, HV and EHV transmission lines as well as underground power cable systems for electricity transmission and distribution, operation and maintenance services and trading of proprietary and non-proprietary power system components and equipment
In view of our recent foray into the Cambodia Securities Exchange (CSX) in August 2020, we are seeking for a suitable candidate for the following post:
Announcement Positions
Senior Engineer – Electrical O&M Apply Now Workplace Circumstances- Environment: Office
- Languages: English, Khmer
- Location: Phnom Penh
- Career Category: Engineer - Electrical
- Schedule:Full-time
- Salary: Negotiable
- Transmission Line O&M – 230kV
- Plan and supervise preventive and corrective maintenance of 230kV transmission lines.
- Organize routine line patrols, tower inspections, thermographic inspections, and drone inspections.
- Inspect and monitor conductors, OPGW, insulator strings, hardware fittings, dampers, earthing systems, and tower foundations.
- Coordinate vegetation management within the transmission line corridor.
- Monitor third-party activities near the Right-of-Way (ROW).
- Prepare defect reports and corrective action plans.
- Coordinate planned outages with EDC / National Control Centre.
- Prepare switching schedules and outage requests.
- Ensure safe isolation and Permit-to-Work (PTW) procedures.
- Monitor system availability and reliability.
- Participate in fault investigations and Root Cause Analysis (RCA).
- 230kV Substation O&M
- Manage maintenance of 230kV circuit breakers, disconnectors/isolators, earthing switches, CTs, CVTs/PTs, lightning arresters, protection & control panels, SCADA/RTU equipment, control cables, and marshalling kiosks.
- Supervise and perform routine inspections, preventive maintenance, functional testing, shutdown maintenance, and emergency repairs.
- English - Good
- Khmer - Good
- Bachelor's Degree in Electrical Engineering or a related field.
- Operations and maintenance for transmission line and substation projects for 7 years as a minimum
- Good command of English and Khmer, including writing, listening, and speaking skills.
- Must be physically fit and willing to travel to difficult terrains.
- Strong teamwork skills and a positive learning attitude.
Location: Tatay-Koh Kong
Duties & Responsibilities:- OPERATION & MAINTENANCE
- Operate and Monitor Substation Equipment, SCADA, Energy Meter and Control Alarms to ensure optimal performance and availability.
- HANDLE REPORTING
- Prepare and submit daily/weekly/monthly reports accurately and on time.
- TROUBLESHOOTING & PROBLEM SOLVING
- Identify, analyze and resolve equipment or system issues promptly to minimize downtime.
- Optional based on project/role requirement.
- English - Good
- Khmer - Good
- Bachelor's Degree in Electrical engineering or related field
- Good command in English and Khmer (writing, listening and speaking)
- Must be physically fit and willing to travel to difficult terrains.
- Teamwork & Learning Attitude
How to Apply
Interested candidates are requested to submit updated CV and cover letter with your expectation salary to human resource department by email or using the address provided in the contact details. Do not attach copies of certificates via mail. Only short‐listed candidates will be contacted for interview.
Contact Details Office Address- Nº 6, Street 588, Sangkat Boeng Kak Ti Pir, Khan Tuol Kouk, Phnom Penh, Cambodia
- PESTEC (CAMBODIA) PLC.

