Commissioning Engineer

Larsen & Toubro; Riyadh; On-site; SAR 80,000 - 110,000; Full time

Job summary

A leading engineering firm is seeking a candidate for a role focused on the commissioning activities of automation systems at solar power plant project sites. The role requires executing on-site commissioning of PLC, SCADA, and associated control systems. Ideal candidates will have experience in automation systems, strong analytical skills, and be willing to travel. Fluency in English is essential, and knowledge of Arabic is a plus.

Qualifications

• Experience in commissioning automation systems in solar, power, or industrial domains.
• Willingness to travel and stay at project sites for extended durations.
• Fluency in English.

Responsibilities

• Execute on-site commissioning of PLC, SCADA, MDAS, and PASS.
• Perform I/O checks, loop testing, and logic verification.
• Validate communication protocols like Modbus and IEC 61850.
• Generate commissioning test reports and documentation.
• Provide training and technical support to site O&M staff.

Skills

Familiarity with RTU/Gateway setup and configuration

Hands-on knowledge of SCADA/PLC platforms

Experience in commissioning automation systems

Understanding of network architectures

Strong analytical skills

Fluency in English

Job description

This position will be primarily responsible for the commissioning activities of PLC, SCADA, MDAS, PASS, and associated control and monitoring systems at solar power plant project sites in KSA & other geographies. The ideal candidate will ensure all automation and control systems are installed, configured, tested, and commissioned in accordance with project specifications and industry standards.

As per the business unit’s strategy, the projects and operations would range from PV IPP renewal energy (Automation), Transmission and Distribution Control Rooms, Integration of various Renewable energy through EPMS/HEMS, ECMS (greenfield and brownfield) projects at various technology maturity levels (basic functionality to advanced functionality). These projects could cover a multitude of geographies.

Key job responsibilities

• Execute on-site commissioning of:
  1. Programmable Logic Controllers (PLC)
  2. Supervisory Control and Data Acquisition (SCADA) systems
  3. Meter Data Acquisition System (MDAS)
  4. Plant Accounting Settlement System (PASS)
  5. Communication interfaces, data loggers and IEDs
• Perform I/O checks, loop testing, logic verification, and SCADA HMI validation
• Validate communication protocols such as Modbus, IEC 61850, IEC 104, DNP3, etc.
• Coordinate with system integrators, OEM vendors, and internal teams to ensure seamless integration of automation and protection systems.
• Troubleshoot and resolve issues related to control signals, communication links, and data reporting.
• Ensure system compliance with client requirements and utility/grid code standards.
• Generate commissioning test reports, punch point lists, and documentation.
• Support remote SCADA integration and FAT/SAT as needed.
• Provide training and technical support to site O&M staff during handover.

Interactions (Internal)

• Operations Head MEA
• Project & Commissioning Managers
• Other Internal departments

Interactions (External)

• Clients
• Customers
• Consultants
• Key Suppliers

Knowledge, Skills and Ability

• Familiarity with RTU/Gateway setup and configuration
• Hands-on knowledge of SCADA/PLC platforms (e.g., Siemens, Schneider, GE, ABB, etc.)
• Experience in commissioning automation systems in solar, power, or industrial domains
• Understanding of network architectures and cybersecurity basics is a plus
• Strong analytical, documentation, and communication skills
• Willingness to travel and stay at project sites for extended durations
• Fluency in English (Arabic is a plus)

Physical Environment

• The job requires working at Project Site environment