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Product Engineer MCS

Rubicon

Rubicon

Product
South Africa · Cape Town, South Africa
Posted on Mar 13, 2026

The following document outlines your key responsibilities & duties inclusive of the skill set required of this role. As your career progresses within Rubicon, we expect you to grow and develop in your role. Any major changes to your role will be consulted with you, following which the required changes to the Role profile will be made. This Role profile will provide you with a guide to your expected level of performance.

Although our engineers work on various projects and products according to the need at the time, the main function of the Product Engineer (MCS) is to help develop world class Microgrid Controllers and related products for Rubicon’s energy departments, including all aspects of modern design and compliance. This role includes a diverse set of disciplines from controlling power electronics to IoT communications.

Design and Development

Design, build, and maintain high-quality software applications for controlling, monitoring, reporting on and supporting microgrids, taking ownership of the full development lifecycle—planning, coding, testing, and deployment.

Day to day work

● Participate in and strongly contribute to sprints for the current workstream
● Write clean, maintainable, and well-documented code.
● Debug and resolve software issues, optimize performance, and enhance scalability and security.
● Develop and maintain automated tests to ensure software reliability.
● Work closely with cloud developers to integrate devices into cloud ecosystems
● Help to specify and design new software or firmware features
● Write documentation for the products worked on
● Design and perform tests for new hardware / software
● Assist customers in 2nd level support tickets
● Aid customers commissioning systems sold

Teamwork and collaboration

● Work closely with the product owner and other engineers to translate requirements into technical solutions
● Assist in product specification and development
● Participate in regular standups
● Continuously build and develop technical competency and skills.

KNOWLEDGE, SKILL & ABILITY REQUIREMENTS

Required:
• Electronics, Electrical or Mechatronics engineering degree, advanced diploma or similar.
• Solid general understanding of electronic and computer hardware.
• Proficiency in programming languages such as Go, Python, C++, JavaScript.
• Experience with modern frameworks and dev tools such as Git, Jira and Confluence
• Relational and Timeseries databases (SQL, Influx)

2-5 years’ experience in:

• Product Development;
• Embedded software / firmware development
The following would all be advantageous in your application:
• IoT environments including applications such as MQTT, Influx etc.
• Familiarity with ESP, SAMD, PIC, ATMEGA, STM or other related microcontrollers
• Another relevant diploma or degree (e.g., renewable energy)
• Experience with industrial communications protocols and networks such as Modbus, RS485, Ethernet etc.
• Renewable energy power systems / microgrids, battery energy storage etc.
Availability & Ability to travel occasionally - locally and possibly internationally is important.

PERSONAL COMPETENCY REQUIREMENTS

● Computer literacy – highly Computer literate and comfortable with technical aspects of common operating systems
● Competent, professional business written and verbal communications skills, with the ability to express yourself clearly and effectively within the company.
● Team player who relishes working with others collaboratively to deliver a top-class result through joint effort
● Ability to build internal and external relationships
● Problem Solving – a self-starter who takes initiative
● Accountable - own up to mistakes and strive for continuous improvement
● Adaptable - be flexible and able to adjust quickly as priorities change
● Excellent time management, organizational, and follow-through skills.
● Attention to detail while maintaining the ability to see the implications for the bigger picture
● A creative outlook with a problem-solving attitude.
● Self-motivated and highly driven - meet and exceed all that is required of your department and staff