Secondary Electrical Design Engineer - (HV Substation)

Job Title: Secondary Electrical Design Engineer (HV Substation) Location: Karachi, Pakistan Job Type: Permanent

We are seeking an experienced Senior Secondary Electrical Engineer – HV Substations to join our engineering team and support the design and delivery of high-voltage substation projects. The successful candidate will have strong expertise in secondary engineering and protection/control systems for HV substations, with experience across indoor and outdoor AIS/GIS substations up to 220kV. Experience in the renewable energy sector will be considered a strong advantage. The role requires a technically strong engineer who can work effectively with multidisciplinary teams, suppliers, and project stakeholders while producing high-quality engineering documentation and technical deliverables. Key Responsibilities: • Secondary Engineering and Design of HV Indoor/Outdoor, AIS/GIS Substations up to 220kV.

• Design of secondary basic documents, including SLD, Protection Logics Diagrams, and Interlocking Logic Diagrams

• Preparation of Signal Lists for SAS/SCADA, Protection, Alarm, Event & Fault recording signals.

• Checking & Interfacing of Supplier Drawings. (e.g. GIS/AIS Drawings, AC/DC System Drawings, Transformer Drawings, etc).

• CT and VT sizing calculations and DC battery sizing calculations.

• Cable Planning, schedules, and preparation of Interface documents (Termination Details) to integrate the substation equipment.

• Supporting the project team to prepare BOQ and technical proposals.

Key Requirements: • BSc/MSc in Electrical Engineering.

• 5+ years of relevant post-qualification experience.

• Proficient in AutoCAD, Etap.

• Fully conversant with the latest IFC and IFFE standards and technologies on Secondary Engineering / Design of HV Substations (experience in Renewable sector would be a plus).

• Strong technical reporting & teamwork skills.

Recruitment Partner: Sperton This position is being managed by Sperton, a global talent partner connecting high-performing professionals with leading organizations worldwide.