This Firmware Engineer role within the Infrastructure team focuses on diagnosing issues, developing robust electrical control systems, and optimizing firmware for performance and reliability. The position requires collaboration across various teams to deliver safe, reliable, and serviceable electrification products designed for demanding mining environments.
Responsibilities
Diagnose faults in electrical, electronic, communication, controls, and embedded systems across prototype, test, production, and field equipment with a methodical, evidence-based approach
Design, develop, and support both high-voltage and low-voltage power distribution and control systems including contactors, relays, sensors, actuators, and associated wiring harnesses
Interpret, create, and update comprehensive electrical schematics, wiring diagrams, harness layouts, panel designs, connector specifications, and bill of materials aligned with configuration and revision control standards
Program, load, validate, and recover firmware on embedded microcontrollers and electronic control units using standardized tools, bootloaders, and release protocols
Manage software and hardware configuration changes such as parameter tuning, calibration updates, network settings, and controller configuration ensuring full traceability and documentation
Capture and analyze data logs including fault codes, waveforms, and network traffic through tools such as CAN, Ethernet, and serial interfaces facilitating robust diagnostics and root-cause analysis
Develop and maintain PLC software and human-machine interfaces for equipment control, test rigs, and infrastructure support, ensuring clarity and functionality
Utilize a range of diagnostic instruments, including oscilloscopes, multimeters, logic analyzers, power analyzers, and insulation testers, to isolate electrical issues and verify system safety and performance
Plan and conduct comprehensive bench, subsystem, machine, and commissioning tests, documenting all results meticulously to demonstrate compliance with design requirements and acceptance criteria
Lead investigations into complex hardware-software interactions to identify, implement, and verify effective corrective and preventive actions
Provide hands-on support in wiring, panel assembly, harness modification, component replacement, and commissioning activities in laboratory, production, and field settings ensuring adherence to safety standards
Collaborate closely with firmware developers, system engineers, manufacturing, suppliers, and service personnel to solve technical challenges, enhance diagnostics and improve overall product design
Requirements
Bachelor's degree in Electrical, Electronics, Mechatronics, Controls, or related engineering field
Minimum three years of experience with electrical equipment, embedded controllers, industrial automation, mobile machinery, or electromechanical systems
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Solid grounding in DC/AC circuit theory, power distribution, protective systems, grounding practices, isolation techniques and electrical safety standards
Hands-on experience with PLC programming (ladder logic, structured text, function blocks) and embedded controllers including I/O systems, sensors, actuators and state-based control methods
Proficient understanding of communication protocols such as CAN, Ethernet, and serial interfaces used for command, diagnostics, and data exchange
Ability to read and develop technical documentation including electrical schematics, wiring diagrams, harness drawings, panel layouts and component datasheets
Practical skills in electrical/electronic laboratory procedures including energized testing, wiring, instrumentation and prototype evaluation
Familiarity with engineering configuration control, revision management, release documentation, and test evidence traceability
Analytical mindset equipped to isolate complex interactions between hardware and software and assess field conditions critically
Strong communication skills in English and Chinese, with the ability to work collaboratively across multidisciplinary teams
Nice to have:
Experience with battery-electric mining equipment, off-road heavy machinery, charging infrastructure, and industrial power systems
Knowledge in high-voltage battery technologies, battery management systems, inverters, motors, power converters, chargers, insulation monitoring, and interlock systems
Working proficiency in embedded programming languages such as C, C++, and Python for diagnostics, testing, and firmware updates
Exposure to embedded Linux, real-time operating systems, debugging tools, build systems, and firmware release management
Hands-on experience with CAN analysis and calibration tools, diagnostic databases, message decoding, and parameter management
Experience in PCB design processes including schematic capture, board bring-up, component selection, soldering, rework and fault analysis
Knowledge in hardware-in-the-loop testing, automated test systems, fault injection, model-based simulation, and functional safety standards
Understanding of electromagnetic compatibility (EMC), machinery safety regulations, and electrical standards relevant to industrial/mobile equipment
Familiarity with infrastructure electrical equipment such as switchgear, transformers, rectifiers, energy storage, and industrial power distribution panels
About the Company
Epiroc accelerates the shift towards more sustainable mining and construction industries by developing and providing innovative and safe equipment, digital solutions, and aftermarket support to customers and business partners in more than 150 countries. Mining electrification is accelerating rapidly as the industry aims to reduce emissions and improve sustainability, and joining Epiroc Electrification Solutions means becoming part of a pioneering team creating disruptive technologies that challenge traditional diesel machinery. The company fosters an inclusive culture where diversity drives innovation for a sustainable future.
