Sr. Firmware Engineer (Qualitrol)

Ralliant; Village of Fairport (NY); On-site; USD 104,000 - 192,000; Full time

Job summary

Ralliant is seeking an SR Firmware Engineer to work on industrial, real-time operating systems for transformer monitoring at electrical substations. You will contribute to firmware design on Linux-based RTOS, develop advanced firmware for critical monitoring, and help transition products to mass manufacturing while aligning with regulatory requirements.

The role demands 5+ years in embedded systems, strong C/C++ skills, experience with Modbus/DNP3/IEC protocols, and hands-on work across Linux

Qualifications

• Bachelor’s or Master’s degree in a related field.
• Minimum 5 years hands-on embedded systems design, testing, debugging.
• Strong experience with microcontroller/microprocessor-based systems.
• Embedded C/C++ in real-time, multi-threaded environments.
• Proficiency with UART, I2C, SPI interfaces.
• Experience with industrial protocols: Modbus, DNP3, IEC60870, IEC61850.
• Embedded Linux and Windows environments, RT data acquisition/scheduling.
• Knowledge of Linux unit testing frameworks.
• Device driver programming experience.

Responsibilities

• Embedded systems firmware development with focus on Linux and real-time embedded systems.
• Developing advanced firmware solutions for substation monitoring and diagnosis.
• Coordinate firmware development activities and lead quality and scheduling projects.
• Support development team with pre-qualification and verification testing; ensure regulatory compliance.
• Support product transition to mass manufacturing.
• Support sales and support post-release to meet customer needs.
• Follow software development and validation processes and continuously improve them.
• Use Scrum Agile Methodology for software development.

Skills

Embedded C/C++

RTOS/real-time

Microcontroller/MCU

Embedded Linux

Peripheral interfaces (UART I2C SPI)

Industrial protocols (Modbus DNP3 IEC)

Device drivers

Linux unit testing

Python scripting

CI/CD basics

Education

Bachelor’s or Master’s in Computer/Electrical Engineering or Computer Science

Tools

JIRA

Confluence

Job description

Summary

As the SR Firmware Engineer, you will be working on sophisticated, industrial, real-time operating systems involving real-time data acquisition and post processing of data for analysis and reports. This team of engineers develops innovative monitoring systems used for transformer monitoring at electrical sub stations.

Key Responsibilities

• Embedded systems, firmware development with specific focus on Linux and real time embedded systems.
• Developing advance firmware solutions for critical substation monitoring and diagnosis requirements.
• Coordinate firmware development activities and lead quality and scheduling projects.
• Supports development team and provides needed pre-qualification and verification testing. Ensure compliance to all regulatory needs for the product and business
• Support product transition to mass manufacturing
• Supports sales and support team post release to timely meet customer needs.
• Follow software development and validation processes and continuously improve them.
• Use Scrum Agile Methodology for software development.

Required Skills and Experience

• Bachelor’s or Master’s degree in Computer Engineering, Electrical Engineering, Computer Science, or a related field.
• Minimum of 5 years of hands-on experience in embedded systems design, development, testing, and debugging.
• Strong experience with microcontroller and microprocessor-based systems.
• Expertise in Embedded C/C++ development within real-time, multi-threaded environments.
• Proficiency in programming peripheral interfaces like UART, I2C, SPI, etc.
• Proven experience in developing, debugging, and testing industrial protocols such as Modbus, DNP3, IEC60870, IEC61850, along with expertise in Ethernet systems, protocol analyzers, and SCADA practices.
• Extensive experience with embedded Linux and Windows environments, including real-time data acquisition and scheduling applications.
• Knowledge of unit testing frameworks for Linux.
• Experience with device driver programming.

Preferred Skills

• Experience in developing products for the power utility industry.
• Familiarity with AI technologies in firmware development.
• Understanding of cybersecurity implementation principles.
• Experience with FPGA programming and development.
• Proficiency in additional programming languages such as C#, PHP, JS, and scripting languages like Python.
• Familiarity with Continuous Integration and Continuous Deployment (CI/CD) practices.
• Experience with JIRA and Confluence.
• Familiarity with Agile methodologies.

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Ralliant Corporation Overview

Ralliant, originally part of Fortive, now stands as a bold, independent public company driving innovation at the forefront of precision technology. With a global footprint and a legacy of excellence, we empower engineers to bring next-generation breakthroughs to life — faster, smarter, and more reliably. Our high-performance instruments, sensors, and subsystems fuel mission-critical advancements across industries, enabling real-world impact where it matters most. At Ralliant we're building the future, together with those driven to push boundaries, solve complex problems, and leave a lasting mark on the world.

About Qualitrol

QUALITROL manufactures monitoring and protection devices for high value electrical assets and OEM manufacturing companies. Established in 1945, QUALITROL produces thousands of different types of products on demand and customized to meet our individual customers’ needs. We are the largest and most trusted global leader for partial discharge monitoring, asset protection equipment and information products across power generation, transmission, and distribution. At Qualitrol, we are redefining condition-based monitoring.

We Are an Equal Opportunity Employer

Ralliant Corporation and all Ralliant Companies are proud to be equal opportunity employers.

We value and encourage diversity and solicit applications from all qualified applicants without regard to race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity or expression, or other characteristics protected by law.

Ralliant and all Ralliant Companies are also committed to providing reasonable accommodations for applicants with disabilities.

Individuals who need a reasonable accommodation because of a disability for any part of the employment application process, please contact us at [e-mail].

Pay Range

The salary range for this position (in local currency) is 103500.00-191900.00