Firmware Engineer

Building the people that build the world.

With platforms in HVAC and Detection and Measurement, SPX Technologies builds innovative solutions that enable a safer, more efficient, sustainable world. Through our RiSE talent development framework, we Reach, Identify, Strengthen, and Engage our employees to support them in their continued development. We’re a global company of problem solvers, collaborators, and innovators, and our businesses build solutions that impact the world.

CUES is the world’s leading developer of water, wastewater, and storm water inspection equipment. With CCTV cameras, pre-built vehicles, and software for pipeline inspection and rehabilitation, we improve the safety and reliability of our water infrastructure systems.

SPX is a diverse team of unique individuals who all make an impact. As a Firmware Engineer at CUES Inc., you will design, develop, and maintain embedded software that powers advanced robotic and inspection systems used to inspect underground infrastructure. You will collaborate with cross‑functional engineering teams to build reliable, high‑performance firmware for microcontroller and Embedded Linux platforms that support innovative inspection technologies.

• Design, develop, and maintain embedded C/C++ software for microcontrollers and Embedded Linux systems.
• Implement firmware for bare‑metal and Zephyr RTOS environments.
• Develop and maintain communication protocols and network interfaces for Ethernet‑connected devices.
• Collaborate with electrical and mechanical engineers to integrate firmware with robotic control systems.
• Participate in system testing, product verification, and performance optimization.

• Perform hands‑on debugging using hardware tools such as multimeters, oscilloscopes, and logic analyzers.
• Troubleshoot hardware–software interactions in embedded systems.
• Support system‑level integration of firmware with robotics and inspection equipment.
• Document firmware architecture, design decisions, testing, and revisions according to engineering standards.

• Work closely with cross‑functional engineering teams to deliver high‑quality embedded solutions.
• Contribute to product development and engineering best practices.
• Support troubleshooting and resolution of field or system issues when needed.

• 5+ years of experience in embedded firmware design and development.
• Strong proficiency in C and C++ for embedded systems.
• Experience working with Embedded Linux and real‑time operating systems (preferably Zephyr).
• Working knowledge of Ethernet‑based communication and TCP/IP networking.
• Strong understanding of embedded hardware, schematics, and digital/analog interfaces.

• Experience developing firmware for robotic systems or motion control applications.
• Familiarity with version control systems such as Git and modern development workflows.
• Understanding of real‑time systems and embedded bus protocols such as SPI, I2C, and CAN.
• Experience with system‑level debugging and embedded product development cycles.

• Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related discipline.

• Hybrid schedule with approximately three days per week in the office.
• Overtime may be required to meet project schedules.
• Occasional travel to customer sites for testing or troubleshooting.
• Office and production environment; must be able to lift up to 50 lbs and use basic tools when needed.

Our culture is at the center of what we do and, more importantly, who we are. Our core values set a standard for how we manage ourselves, and our Leadership Model sets the standard for how we engage with each other. Whether you are an individual contributor or you lead a large team, each of us leads at SPX.

• Generous and flexible paid time off including paid…