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Senior Firmware/Embedded Software Engineer - St. Louis, MO

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Date: Apr 10, 2026

Location: St. Louis, MO, US, 63146

Company: Hubbell Incorporated

Job Overview

Provide technical excellence in developing, sustaining, and supporting firmware associated with high‑volume electronic products within the AMI and utility communications industry. Contribute to firmware architecture, documentation, and deliverables from concept through production launch. Participate in product deployment and provide support in resolving customer and field technical issues. Function as a technical expert and project contributor when required.

#LI-CH1

A Day In The Life

  • Develop firmware requirements, architecture, design, and code for new and existing products.
  • Design and implement embedded firmware for microcontroller‑based systems.
  • Develop multi‑threaded RTOS‑based firmware using semaphores, mutexes, watchdog timers, and related mechanisms.
  • Develop unit and integration test methods to ensure system requirements are met.
  • Ensure designs meet or exceed requirements of governing agencies (FCC, UL, ANSI, etc.) and support verification testing.
  • Participate in the development and maintenance of structured firmware and product development processes.
  • Help establish and follow proper firmware design processes for high‑reliability products.
  • Analyze and resolve field and production issues through formal root‑cause analysis and corrective actions.
  • Support the work of other engineers on cross‑functional project teams
  • Participate in technical, design, and peer reviews of firmware deliverables
  • Serve as lead firmware developer or technical lead when required.
  • Support manufacturing, deployment, and sustaining engineering activities.
  • Mentor junior engineers and contribute to technical knowledge sharing.
  • Perform other duties as assigned by management.

What will help you thrive in this role?

  • Bachelor of Science in Computer Engineering, Electrical Engineering, Computer Science, or equivalent.
  • Minimum of 5 years of experience in analysis, design, coding, and testing of embedded C firmware.
  • Minimum of 5 years of experience developing firmware using Real‑Time Operating Systems (RTOS).
  • Experience developing multi‑threaded embedded applications.
  • Strong understanding of microcontrollers and hardware interfaces (SPI, I2C, UART, ADC/DAC, GPIO).
  • Advanced debugging and troubleshooting skills.
  • Working knowledge of source code control and defect tracking systems.
  • Experience using static source code analysis tools and methods.
  • Ability to work independently and collaboratively in a team environment.
  • Strong written and verbal communication skills.

Preferred:

  • Experience with ARM, MSP430, and/or PIC microprocessors.
  • Experience with Freescale MQX, Micrium, FreeRTOS, or similar RTOS platforms.
  • Experience developing firmware design documentation (requirements, flowcharts, state diagrams).
  • Experience with networking or communication protocols.
  • RF or wireless communication system experience.
  • Electronic communication systems background.
  • Project estimation and tracking experience.
  • Experience in the utility or AMI industry.
  • Advanced engineering degree.

Hubbell Incorporated

 

Hubbell creates critical infrastructure solutions that power our customers, communities, people and the planet. Our company is strategically aligned around enabling grid modernization and electrification. As more products plug in to an aging grid, Hubbell solutions enable the transition to a more reliable, resilient and efficient energy infrastructure. Founded in 1888 our innovation has made us a leading global manufacturer of high quality electrical and utility solutions enabling customers to operate critical infrastructure reliably and efficiently.

 

The company operates in two segments. Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications and Hubbell Electrical Solutions (HES) are essential to managing power across a wide range of industries and applications. Our vertical market solutions can be applied to markets including Data Centers, Renewables, Commercial Buildings, Industrial, Telecom and Transportation. Supporting both of our business segments is our corporate and Hubbell Unified Business Solutions teams that provide consistent process, tools technologies across our businesses.

 

We are committed to operating sustainably and ethically while promoting an inclusive and supportive culture for our people to grow and develop in their careers. Our employees proudly work and serve our communities from our headquarters in Shelton, CT, across the United States and around the globe.

 

Hubbell Utility Solutions 

 

Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications. HUS provides the critical components that allow the grid to reliably transmit and distribute energy, as well as the communications and controls technologies to make the grid smarter and more flexible.

 

Hubbell Incorporated, its subsidiaries and affiliates, is an EO Employer AA: M/F/Veteran/Disability. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, sexual orientation, gender identity or any other protected class.

 

The above summary of position responsibilities and requirements is not intended, and should not be construed, to be an exhaustive list of duties, skills, efforts, physical requirements, or working conditions associated with the position. It is intended to be an accurate reflection of those principal position elements essential for making decisions related to position performance, employee development, and compensation.

 


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