Potentiam is a fast-growing global offshore solutions provider connecting top talent with leading UK and European businesses. With offices across South Africa, Romania, India, and Brazil, we offer international exposure, real career progression, and the opportunity to work with high-performing global teams.

We combine global opportunity with local support – giving you the chance to grow, make an impact, and build a long-term career in a business that’s scaling fast.

Global clients. Clear progression. Real opportunity.

We are an equal opportunity employer. We encourage applications from people with disabilities and will provide reasonable accommodation during the hiring process.

We're looking for a Electrical Engineer (Substation Design HV/MV) to join our client's team.

Roles & Responsibilities

Design and Engineering

Develop Protection and Control (P&C) designs for HV and MV substations, including protection schemes, control schematics, SLDs, and interlocking diagrams.
Specify and design AC/DC auxiliary systems, control panels, marshalling cabinets, and wiring diagrams.
Prepare Protection Coordination Studies, fault current calculations, and relay grading reports.
Select and configure protection relays and prepare detailed relay setting files.
Design and implement substation automation systems
Create detailed control logic diagrams, signal lists, and communication interfaces for SCADA, RTU, and IED integration.

Testing, Commissioning, and Verification

Develop Factory Acceptance Test (FAT) and Site Acceptance Test (SAT) procedures for control and protection systems.
Carry out relay testing, secondary injection, and end-to-end testing.
Verify correct protection functionality, trip logic, interlocking, and communication protocols.

Documentation and Compliance

Produce comprehensive design documentation, wiring schedules, technical specifications, and as-built drawings.
Support the development and continuous improvement of design templates, engineering standards, and QA processes.

Project Delivery and Collaboration

Reporting to the Lead or Senior Engineering Manager on projects
Providing guidance and training to junior and graduate engineers.
Engage with clients, OEMs, and suppliers to clarify design interfaces, technical requirements, and delivery schedules.
Support proposal development, cost estimation, and technical tender reviews for new projects.

Experience & Skills

Required

Degree in Electrical, Energy Engineering, or equivalent
4+ years’ experience in a similar electrical or substation design role
Experience in developing Electrical Schematics using EPLAN.

Desired

Knowledge and experience in the Energy sector
Knowledge of Excel for calculations.

Data Privacy Notice

The personal information you provide during the application and recruitment process will be used solely for recruitment purposes, in accordance with our data protection policies.

For any questions regarding data processing related to HR activities, please contact Chantal Endemann at careers@potentiam.co.uk.

All data shared with third parties complies with applicable confidentiality and retention requirements.