Secondary Electrical Design Engineer - (HV Substation)
Join as a Secondary Electrical Design Engineer – HV Substations in Karachi, delivering advanced AIS/GIS substation designs up to 220kV across high-impact power and renewable energy projects.
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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.
- Locations
- Pakistan
- Job location
- Karachi, Pakistan
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Workplace & Culture at Sperton
At Sperton, we believe that great results come from great people.
Our culture is built on trust, collaboration, and a shared passion for delivering quality in everything we do.
We are a Norwegian-owned international company with colleagues across Europe, Asia, and the USA, working together seamlessly across time zones and cultures. Our teams are diverse, yet united by the same goal — to connect people and companies in meaningful ways.
We value openness, initiative, and continuous learning. Everyone at Sperton is encouraged to take ownership, share ideas, and challenge existing ways of working to make our solutions even better.
Even though we operate globally, our approach is personal. We take pride in creating a supportive and inclusive environment where people feel heard, respected, and motivated to grow — both professionally and personally.
