Senior HV Secondary Systems Engineer – Substations & SCADA

CoMade; Melbourne; On-site; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Flexible working arrangements

Barista-style coffee

Offices near public transport

Job summary

CoMade is seeking a Senior Secondary Systems Engineer to own protection, control, metering, SCADA and communications design for HV substations and BESS projects in Australia. You will ensure faults are cleared safely, enable local and remote monitoring, and meet network service provider and AEMO requirements.

Responsibilities include developing protection philosophy and line diagrams for 66 kV, 33 kV and LV systems, designing protection schemes for transformers and RMUs, coordinating with

Qualifications

• Bachelor of Engineering (Electrical); CPEng/NER or working towards it.
• Minimum 8+ years in HV secondary systems design for transmission, distribution or generation substations.
• Experience with renewable or BESS connections, including power plant controllers, preferred.
• Hands-on testing and commissioning experience.
• Be part of a growing business where your work directly impacts success.
• Close-knit, collaborative team environment where your input is valued.

Responsibilities

• Develop the protection philosophy and single line protection diagrams for 66 kV, 33 kV and LV systems.
• Design protection schemes for transformers (differential, REF, overcurrent, Buchholz, winding and oil temperature), MV feeders and RMUs, busbars, and earthing/auxiliary transformers.
• Coordinate protection with the network service provider where upstream circuit breakers clear transformer faults, including intertripping and anti-islanding.
• Design substation and plant control systems: bay controllers, interlocking, local control cubicles and HMI.
• Define the SCADA architecture linking switchgear, RMUs, SUTs, battery/PCS controllers and the power plant controller.
• Design IEC 61850 station bus and process bus systems, redundant networks (RSTP, PRP/HSR) and time synchronisation (PTP/GPS).
• Produce schematics, wiring diagrams, cable schedules, panel layouts, IO lists and protection settings files.
• Prepare FAT and SAT procedures; witness factory testing of protection and control panels.
• Lead secondary injection testing, scheme and end-to-end testing, SCADA point-to-point checks and energisation.

Skills

Protection design

SCADA systems

Electrical substations

HMI design

Testing & commissioning

Education

Bachelor of Engineering (Electrical)

CPEng / NER or working towards it

Tools

IEC 61850

RSTP/PRP/HSR

PTP/GPS

HMI panels

Job description

CoMade is seeking a Senior Secondary Systems Engineer to own protection, control, metering, SCADA and communications design for HV substations and BESS projects in Australia. You will ensure faults are cleared safely, enable local and remote monitoring, and meet network service provider and AEMO requirements.

Responsibilities include developing protection philosophy and line diagrams for 66 kV, 33 kV and LV systems, designing protection schemes for transformers and RMUs, coordinating with