Real-Time Control Systems Developer

7 days ago

Sydney, New South Wales, Australia beBeeEmbedded Full time $180,000 - $200,000

About the Role:

We are seeking a highly motivated self-starter with solid embedded C software design and development skills to join our Traffic and Transportation division in the Traffic Product Development Team.

This role is ideal for someone with a strong foundation in safety-critical real-time controls systems who thrives on providing innovative solutions for customers.

You will be working closely with a multidisciplinary engineering team in a hands-on role at Rydalmere. This is an exciting opportunity to highlight your software real-time design and development skills.

About this Opportunity:

We need a Senior Embedded Software Engineer to perform the design and development of embedded control systems for Traffic Signal Controllers.

The successful candidate will combine strong low-level C programming skills with the ability to understand and influence hardware design (primarily digital electronics), while ensuring fail-safe and reliable performance for Traffic Signal Controllers.

Key Responsibilities:

  • Design and implement safety-critical embedded software for Traffic Signal Controllers in compliance with SIL2 (IEC 61508 / ISO 26262).

  • Develop and validate conflict monitoring, phase control, and lamp monitoring algorithms for Traffic Signal Controllers.

  • Collaborate with hardware engineers in the design of fault-tolerant digital interfaces (GPIO, latching outputs, watchdogs, memory functionality, reliable flash chip programming).

  • Lead system integration across MCUs, SoCs, and RTOSs

  • Develop and execute debug code to verify designs/ customer requirements.

  • Implement and maintain communication protocols (SCATS, NEMA TS2, ITS standards, CAN, Ethernet) for roadside devices and central system integration.

  • Develop web-based interfaces for local and remote-control functionality.

  • Ensure robust secure communications, OTA firmware updates, and diagnostics for long-term field deployments.

  • Participate in safety case documentation: hazard analysis, FMEA/FMELA, traceability, and compliance with certification bodies.

  • Mentor junior software engineers and perform peer reviews of designs and code.

  • Produce design, architecture, verification, validation and software release documentation.

Requirements:

Essential

  • Proven experience (10 years+) developing embedded software for SIL2 (or higher) safety-critical systems, preferably in transportation, rail, or industrial control.

  • Strong C programming skills for MCUs and real-time operating systems, with demonstrable ability implementing algorithms and debugging hardware/ software interactions using oscilloscopes, logic analysers, and bus analysers.

  • Deep understanding of digital electronics and I/O design, including watchdogs, fail-safe states, redundancy, and EMC considerations.

  • Familiarity with protocols and standards in the traffic and transport domain (SCATS, NEMA TS2, ITS, CAN, Ethernet, Modbus, RS-485).

  • Hands-on experience with real-time simulation, and fault injection for validation of safety systems.

  • Contribution to safety case documentation and engagement with external certification authorities/auditors.

  • Demonstrated ability to integrate embedded Linux (desirable) for communications/ UI while keeping safety functions isolated on RT cores/ MCUs.

Desirable

  • Experience with traffic control algorithms, conflict detection, phase timing, and intergreen intervals.

  • Experience in secure boot, OTA update frameworks (RAUC/OSTree), and cybersecurity for embedded systems.

  • Exposure to Yocto/Buildroot, RTOS (Micrium, FreeRTOS), or dual-core MCU + Linux SoC designs.

  • Prior work in roadside, rail, transport systems or medical fields with harsh environment constraints.

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