Manager Testing & Commissioning PPC Specialist

About the Role

Larsen & Toubro is seeking a Manager – Power Plant Control System (PPC) Specialist to join their team in Riyadh, Saudi Arabia. This full-time role is responsible for the configuration, testing, commissioning, and validation of central plant control systems. The specialist will ensure the coordinated operation of all generation and compensation assets, maintaining full compliance with grid codes, dispatch instructions, and utility requirements. This position acts as the final functional integrator of the plant.

Key Responsibilities

• Review PPC control philosophy and functional design documents, validating compliance with CEA / POSOCO / local grid codes (*, KSA, CEA, DEWA, EWEC) and utility dispatch/AGC requirements.
• Review signal lists, data mapping, and control hierarchies, suggesting modifications to PPC control architecture to ensure grid code compliance and avoid latency delays.
• Coordinate Factory Acceptance Testing (FAT) for PPC logic and interfaces.
• Configure PPC setpoints, control modes, and priorities, integrating PPC with solar inverters, WTGs, BESS & STATCOM, and substation protection/metering.
• Ensure data integrity from field to PPC and SCADA.
• Perform open-loop and closed-loop control testing, verifying active power control (APC), reactive power/voltage control (RPC), ramp rate/power gradient control, curtailment, and dispatch commands.
• Validate loss of communication and fallback modes.
• Support AGC testing with grid operators and conduct grid compliance tests, including frequency response, voltage control at PCC, and dynamic behavior under contingency events.
• Support grid audits, mock runs, and final sign-off.
• Prepare detailed commissioning test reports, upload final configuration backups and change records, and provide training to O&M and control room teams.
• Support early operational performance stabilization.

Testing and Commissioning

The specialist will be responsible for testing and commissioning plant-level control systems, ensuring coordinated operation compliant with IEC 61850, IEC 60870-5-104, IEC 61131-3, IEC 61970/61968, IEC 62351, and other relevant standards.

• Signal accuracy and latency validation.
• Control loop stability and response tests.
• PPC-SCADA-EMS communication verification.
• Redundancy and failover testing.

Troubleshooting Scope

• Address power mismatch between plant output and PPC dispatch.
• Resolve oscillatory or unstable control behavior.
• Investigate communication delays or data loss.
• Correct incorrect allocation of generation among assets.
• Manage non-compliance during grid events.
• Identify and implement corrections in control logics to prevent plant oscillations.

Qualifications and Experience

Candidates should possess 5-10 years of relevant experience in power plant control systems.

Location

This position is based in Riyadh, Riyadh, Saudi Arabia.