The Senior Testing & Commissioning Engineer – Electrical shall be responsible for leading and executing testing, commissioning, energization, and handover activities for EHV/HV/MV electrical systems in compliance with NAMA Group standards, OETC Grid Code, DCRP regulations, IEC/IEEE standards, and project specifications. The role requires strong technical authority, utility interface capability, and proven leadership in live substation and transmission projects.

Lead testing, commissioning, and energization of 400kV / 220kV / 132kV / 33kV

substations and associated transmission systems.

• Plan, execute, and control commissioning activities in accordance with NAMA

Distribution Codes, OETC Grid Code, and Oman DCRP regulations.

• Prepare, review, and approve commissioning procedures, method statements, switching

programs, and energization plans.

• Carry out and supervise testing of power transformers, circuit breakers, GIS/AIS

switchgear, CTs, VTs, surge arresters, and grounding systems.

• Perform protection relay testing and commissioning for ABB, Siemens, SEL, GE,

Schneider, and numerical relay platforms.

• Verify protection schemes including differential, distance, REF, busbar, transformer

protection, autoreclose, and intertripping schemes.

• Coordinate with NAMA / OETC control centers for shutdowns, approvals,

synchronization, and energization activities.

• Ensure SCADA, SAS, IEC 61850 communication, and teleprotection systems are tested

and integrated successfully.

• Ensure full compliance with Permit-to-Work (PTW), LOTO, HSE plans, and Oman safety

regulations during all site activities.

• Lead fault investigation, relay analysis, disturbance record evaluation, and root cause

analysis.

• Supervise, mentor, and technically guide commissioning engineers and technicians.

• Coordinate FAT, SAT, and witness testing with utilities, consultants, and OEMs.

• Ensure preparation, verification, and submission of test reports, as-built drawings, red

line markups, and final handover dossiers.

• Support grid compliance checks, protection coordination studies, and energization

clearance documentation.

Regulatory & Utility Compliance

• Strong working knowledge of Oman DCRP regulations and electrical safety rules.

• Hands-on experience with NAMA Group Distribution Code and procedures.

• In-depth understanding of OETC Grid Code, switching philosophy, and protection

requirements.

• Experience in obtaining utility approvals, shutdown permits, and energization

clearances.

• Compliance with IEC, IEEE, BS, and Oman Electrical Standards.

Qualification & Experience Requirements

• Bachelor’s Degree in Electrical Engineering (Mandatory).

• Minimum 10–15 years of experience in testing and commissioning of EHV/HV/MV

power systems.

• Proven experience in Oman utility projects (NAMA / OETC) or GCC transmission &

distribution projects.

• Eligibility to obtain or possession of Oman DCRP Level-4 License.

• Eligibility to obtain or possession of OETC Level-3 authorization (or previously

approved).

• Strong expertise in protection relays, substation automation, and power system testing.

• Hands-on experience with (DIGSI-4&5, PCM600-ABB/HITACHI, SEL Compass, Alstom,

Scheneider, S1 studio, Omicron Test Universe etc.), and equivalent test equipment.

• Familiar in OCC file creation and testing with CMC356

• Excellent coordination, leadership, and technical reporting skills.

Desired Candidate Profile

Regulatory & Utility Compliance

• Strong working knowledge of Oman DCRP regulations and electrical safety rules.

• Hands-on experience with NAMA Group Distribution Code and procedures.

• In-depth understanding of OETC Grid Code, switching philosophy, and protection

requirements.

• Experience in obtaining utility approvals, shutdown permits, and energization

clearances.

• Compliance with IEC, IEEE, BS, and Oman Electrical Standards.

Qualification & Experience Requirements

• Bachelor’s Degree in Electrical Engineering (Mandatory).

• Minimum 10–15 years of experience in testing and commissioning of EHV/HV/MV

power systems.

• Proven experience in Oman utility projects (NAMA / OETC) or GCC transmission &

distribution projects.

• Eligibility to obtain or possession of Oman DCRP Level-4 License.

• Eligibility to obtain or possession of OETC Level-3 authorization (or previously

approved).

• Strong expertise in protection relays, substation automation, and power system testing.

• Hands-on experience with (DIGSI-4&5, PCM600-ABB/HITACHI, SEL Compass, Alstom,

Scheneider, S1 studio, Omicron Test Universe etc.), and equivalent test equipment.

• Familiar in OCC file creation and testing with CMC356

• Excellent coordination, leadership, and technical reporting skills.

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Preferred Experience

• Prior approval or project interface experience with NAMA and OETC.

• TNEB experience in 110kV / 230kV / 400kV substations and transmission lines.

• Experience in live grid commissioning, synchronization, and back-charging activities.

• Familiarity with outage management systems and control center coordination.

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Reporting Line

Testing & Commissioning Manager / Project Manager