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# Principal Firmware Engineer

- **Company:** MKS Inc.
- **Location:** Andover, MA, United States
- **Salary:** $126,200.0 - $210,350.0
- **Contract:** Permanent contract
- **Skills:** Automation of Tests, Communications Protocols, Computer Programming, Computer Engineering, Software Debugging, DeviceNet, Emulators, EtherCAT, Firmware, PID Controllers, Performance Tuning, Software Engineering, Verification and Validation (Software), Universal Asynchronous Receiver/Transmitter, Serial Peripheral Interface, Software Coding, Software Version Control
- **Published:** August 26, 2026
- **Apply:** https://jobs.localjobnetwork.com/apply/add/87526200/1

## About the Role

* Education: BS, MS or PhD in Electrical Engineering, Computer Engineering, or a related field.
 * 10+ years of experience in embedded systems and firmware development, including control algorithms.
 * Demonstrated technical leadership with strong communication and cross-functional collaboration skills.
 * Strong proficiency in C and C++ programming for real-time embedded systems.
 * Expertise in debugging and system bring-up, using tools such as emulators, oscilloscopes, and communication bus analyzers.
 * Experience with version control systems and structured software release processes

Preferred Qualifications (Nice to Have):

 * Experience with industrial fieldbus protocols such as EtherCAT, DeviceNet, or similar.
 * Experience with motion control systems, including stepper motors and BLDC motors.
 * Strong understanding of feedback control theory, including PID control and tuning.
 * Experience with SPI, I2C, UART and other communication protocols.

## Description

* Leading the architecture, design, implementation, verification and validation of embedded firmware for complex control systems.
 * Collaborating closely with cross-functional team to understand customer requirements and deliver innovative solutions that enhance product performance and customer success.
 * Establishing and driving firmware development best practices, including coding standards, design reviews, and automated test frameworks.
 * Providing technical leadership, mentorship and guidance to firmware engineers across the organization.
 * Driving continuous improvement in firmware quality, reliability, and development efficiency.


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