Senior Embedded Firmware Engineer – PLCs

3 CUBED BUSINESS CONSULTING PTE. LTD.; Singapore; On-site; SGD 90,000 - 135,000; Full time

Job summary

3 CUBED BUSINESS CONSULTING PTE. LTD. seeks a Senior Firmware Engineer to contribute to the development and maintenance of PLCs.

You will design, implement, and harden embedded firmware for industrial automation products in a global, cross-functional team. You will work on features, troubleshoot complex system-level issues, and collaborate with international teams to meet milestones and quality standards. The ideal candidate has 5–6 years hands-on embedded software experience, strong C/C++, and

Qualifications

• 5–6 years hands-on embedded software development experience.
• Bachelor's or Master's degree in Electronics/Computer Science Engineering.
• Proficiency in C and/or C++ programming.
• Experience with RTOS is required (VxWorks, Zephyr, embOS, Linux RT).
• Familiarity with industrial communication protocols (Ethernet/IP, OPC UA).

Responsibilities

• Develop and maintain embedded firmware for industrial automation PLCs.
• Design and implement new features and enhancements for PLCs.
• Troubleshoot and resolve complex system-level issues.
• Collaborate with global teams to meet project milestones and quality standards.

Skills

Analytical thinking

Communication

Collaboration

Education

Bachelor's or Master's in Electronics/CS Engineering

Tools

C

C++

RTOS (VxWorks, Zephyr, embOS, Linux RT)

Industrial protocols (Ethernet/IP, OPC UA)

Job description

3 CUBED BUSINESS CONSULTING PTE. LTD. seeks a Senior Firmware Engineer to contribute to the development and maintenance of PLCs.

You will design, implement, and harden embedded firmware for industrial automation products in a global, cross-functional team. You will work on features, troubleshoot complex system-level issues, and collaborate with international teams to meet milestones and quality standards. The ideal candidate has 5–6 years hands-on embedded software experience, strong C/C++, and