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Johannesburg: Senior Software Developer (Heavy-Duty Power Electronics)

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Job Description

About the Role

We are seeking a seasoned Senior Software Developer to lead firmware development for our heavy-duty power electronics solutions, as we expand our presence in the North American market. The ideal candidate will possess extensive experience in embedded firmware development and a deep understanding of power electronics, control systems, and industrial standards.

Key Responsibilities

  • Advanced Control Systems: Lead the development of Multi-Phase Field-Oriented Control (FOC) for Internal Permanent Magnet Synchronous Motors (IPMSM).
  • HDV Communication: Implement and optimize industry-standard protocols including SAE J1939 and UDS for seamless integration into heavy-duty vehicle networks.
  • Complex Algorithm Design: Develop and tune high-performance control loops:
  • Torque & MTPA (Maximum Torque Per Ampere) algorithms.
  • Multi-stage PID loops for Voltage, Speed, and Torque.
  • Active Discharge and regenerative braking logic.
  • Safety-Critical Diagnostics: Design robust error-handling sequences.
  • Ruggedized Software Architecture: Architect firmware that meets stringent industrial standards (ISO26262).

Requirements

  • Education: Bachelor’s or Master’s degree in Electrical/Electronic Engineering or Computer Science.
  • Power Electronics Mastery: 5 years of experience in embedded firmware specifically for Inverters, Converters, or Motor Controllers.
  • FOC Expertise: Deep, hands-on experience with Field-Oriented Control and complex motor math (Clarke/Park transforms, space vector PWM).
  • J1939 CAN: Strong familiarity with CAN-bus (J1939) and diagnostic protocols used in the commercial vehicle or defense industries.
  • Programming Excellence: Mastery of Embedded C/C++ and experience with Real-Time Operating Systems (RTOS) or bare-metal development on high-performance MCUs.

Qualifications

No formal education qualifications mentioned in the original job description.

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How to Apply

Click the green “Go Apply” button below to apply directly online with the employer.

About Engineering Jobs in Gauteng

In Gauteng, the engineering job market is generally driven by the growth and development of various industries, including technology, manufacturing, and infrastructure development. This has led to a high demand for skilled engineers with expertise in fields such as mechanical, electrical, civil, and chemical engineering. Typically, these roles involve designing, developing, testing, and implementing solutions to real-world problems.

The salary range for engineering positions in Gauteng is typically broad, with junior engineers earning around R300 000 to R500 000 per annum, while senior engineers can earn upwards of R800 000 to over R1 200 000. However, it’s essential to note that salaries can vary greatly depending on factors such as experience, company size, and industry sector. For instance, engineers working in the technology industry may receive higher salaries than those in manufacturing or infrastructure development.

Common skills for engineering roles include proficiency in computer-aided design (CAD) software, programming languages like Python or C++, and strong analytical and problem-solving skills. Engineers must also be able to communicate effectively with colleagues from other disciplines and manage projects from conception to completion. Other essential skills include familiarity with industry-specific standards and regulations, as well as the ability to work in a fast-paced environment.

Industry sectors that commonly employ engineers include financial services, technology, manufacturing, and infrastructure development. In these sectors, engineers play critical roles in designing and implementing solutions for complex problems, such as process optimization, product development, and system integration.

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For career progression, engineers can typically expect to move into senior or leadership roles with experience and additional qualifications. Many engineers also choose to pursue advanced degrees, such as master’s or doctoral studies, to specialize in a particular area of engineering or transition into related fields like research and development or consulting.


This information provides general career guidance. Actual salaries and requirements vary by employer.



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