Commissioning Supervisor for EHV Substations

About the role

ACCIONA, together with its partners in the ACJV joint venture, is delivering the Central‑West Orana Renewable Energy Zone transmission project. The Commissioning Supervisor will lead all site commissioning activities for extra‑high‑voltage (EHV) substations, ensuring safe, efficient hand‑over of primary plant, protection, control, SAS, telecommunications and SCADA interfaces.

Key responsibilities

• Lead daily commissioning activities for 500 kV substation equipment.
• Supervise commissioning engineers, technicians, OEMs and subcontractors.
• Coordinate commissioning with construction, engineering and client teams.
• Ensure work follows approved procedures, ITPs, ITRs and project schedules.
• Conduct toolbox talks, planning meetings and progress reviews.
• Verify mechanical completion, review punch lists and approve test records.
• Lead Ready‑to‑Energise inspections and Commissioning Readiness Reviews.
• Coordinate energisation activities with the utility and monitor first energisation.

Required profile

• Minimum 10 years of power system commissioning experience.
• At least 5 years in a supervisory or lead commissioning role.
• Proven experience commissioning EHV substations (220 kV‑500 kV) on greenfield transmission projects.
• Strong leadership, planning and coordination skills with a high focus on safety and quality.
• Ability to work under tight commissioning and energisation schedules.

Required skills

• EHV substation commissioning.
• SCADA systems.
• SAS (Supervisory Automation System).
• Telecommunications interfaces.
• Protection and control systems.