Trainee Design Engineer – Electrical Substation Design

About the role

PowerMatix is seeking motivated fresh graduates to join its Electrical Substation Design team as Trainee Design Engineers. The role offers hands‑on exposure to high‑voltage substation design, protection and control systems, SCADA, earthing, cable engineering and renewable‑energy integration projects.

Key responsibilities

• Assist in preparing electrical drawings, layouts, schematics, cable and equipment schedules, BOQs and technical documentation.
• Support primary and secondary design activities for GIS and AIS substations.
• Contribute to earthing‑system design, grounding layouts, conductor sizing and step‑and‑touch potential assessments.
• Help prepare AC/DC schematics, battery‑sizing calculations, multicore cable schedules and control‑panel documentation.
• Participate in SCADA and PLC engineering tasks, including signal lists, I/O schedules and fibre‑optic layouts.
• Perform cable‑sizing and rating studies for HV and LV systems.
• Assist with terminal‑loading and short‑circuit force calculations for substation equipment.
• Support lightning‑protection risk assessments and layout preparation.
• Review client specifications, equipment data sheets and relevant engineering standards.
• Coordinate with senior engineers and CAD teams to update drawings and incorporate review comments.
• Maintain document control, revision records and calculation files.

Required profile

• Fresh graduate in Electrical or Electronic Engineering.
• Basic understanding of power systems, substations, protection, control or automation.
• Familiarity with AutoCAD and Microsoft Excel.
• Good analytical, numerical and problem‑solving abilities.
• Strong written and verbal communication skills.
• Willingness to learn, accept technical feedback and work in a structured engineering environment.

Required skills

• AutoCAD
• Microsoft Excel
• ETAP (advantageous)
• CDEGS (advantageous)
• CYMCAP (advantageous)
• TIA Portal (advantageous)
• TwinCAT (advantageous)
• PLC programming
• SCADA systems
• Knowledge of IEC, IEEE, BS, ENA and National Grid specifications