Job Summary: The Senior High-Voltage Substation Designer is responsible for developing, detailing, and reviewing high-voltage substation electrical projects, covering both basic and detailed engineering. Key Highlights: 1. Develop high-voltage (HV) substation electrical projects (69 kV, 138 kV and/or 230 kV) 2. Experience in high-voltage substation electrical projects 3. Proficiency in AutoCAD and practical knowledge of substation electrical layouts The Senior High-Voltage Substation Designer will be responsible for providing specialized electrical engineering technical services for the development, detailing, and review of high-voltage substation electrical projects, covering both basic and detailed engineering phases, in compliance with client guidelines, current technical standards, and applicable utility company standards. Main Responsibilities * Develop high-voltage (HV) substation electrical projects (69 kV, 138 kV and/or 230 kV); * Prepare and review single-line and three-line diagrams; * Develop projects for: * + Grounding systems and lightning protection systems (SPDA); + AC and DC auxiliary services; + Yard and building lighting; + Electrical conduit, cable trays, and cable ladders; * Specify technical requirements for substation electrical equipment; * Prepare material, cable, and quantity lists; * Coordinate electrical projects with civil, electromechanical, and automation disciplines; * Apply ABNT, IEC standards and utility company standards; * Provide technical support to construction teams by analyzing interferences and clarifying queries; * Participate in internal technical reviews and client reviews. Technical Requirements * Degree in Electrical Engineering; * Availability for occasional travel; * Minimum 3–6 years’ experience in high-voltage substation electrical projects; * Proficiency in AutoCAD; * Practical knowledge of: * + AIS and/or GIS substation electrical layouts; + Protection, metering, and control systems; + Grounding and lightning protection (SPDA) projects; * Ability to read, interpret, and apply technical standards and utility company specifications; Preferred Qualifications * Experience with power utilities or EPC companies; * Knowledge of BIM / Revit / EPLAN / ETAP / CYMGRD; * Experience in detailed engineering and construction support; * Experience with new substations and substation expansions. Behavioral Competencies * Organization and technical accountability; * Strong technical communication and teamwork skills; * Proactivity and analytical ability; * Commitment to deadlines and quality.