Principal Firmware Engineer A Day in Your Life at MKS: As a Principal Firmware Engineer on MKS’s Valves Engineering team, you will play a critical technical leadership role within a highly collaborative, cross-functional environment. You will design and develop embedded firmware that powers advanced throttle valve products used in semiconductor manufacturing and other high-performance vacuum applications. You Will Make an Impact By: • 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. Skills You Bring: • 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. Compensation and Benefits: Salary Pay Range: $126,200.00 - 210,350.00 USD per year. This range is a good faith estimate of the expected salary range for this position, based on a wide range of factors including qualifications, experience and training, operational and business needs and other considerations permitted by law.  At MKS, it is not typical for an individual to be hired at or near the top of the range for the role. Bonus: This position is eligible for a discretionary annual bonus, in an amount to be determined by MKS [or as applicable]. Benefits: MKS offers a comprehensive benefits package, including health insurance coverage (medical, dental and vision), 401(k) with company match, life and disability insurance, 12 paid holidays, sick time, 15 paid vacation days, [6 weeks fully paid] parental leave, adoption assistance and tuition reimbursement [and for participation in any stock programs, signing bonus, etc.]. MKS is an equal opportunity employer, including disability, veteran status and all categories protected by law. Please review our EOE statements for additional details. MKS is generally only hiring candidates who reside in states where we are registered to do business. #LI-RS1 Globally, our policy is to recruit individuals from wide and diverse backgrounds. However, certain positions require access to controlled goods and technologies subject to the International Traffic in Arms Regulations (ITAR) or Export Administration Regulations (EAR). Applicants for these positions may need to be “U.S. persons.” “U.S. persons” are generally defined as U.S. citizens, noncitizen nationals, lawful permanent residents (or, green card holders), individuals granted asylum, and individuals admitted as refugees. MKS Inc. and its affiliates and subsidiaries (“MKS”) is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. Hiring decisions are based on merit, qualifications and business needs. We conduct background checks and drug screens, in accordance with applicable law and company policies. MKS is generally only hiring candidates who reside in states where we are registered to do business. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities. If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at: [email protected] . If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role