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Firmware Engineer Jobs in Missouri (NOW HIRING)

AOB Products Company

Electrical Engineer I

Columbia, MO · On-site

The Electrical Engineer I (EE) plays an important role in the new product development function of ... In addition, the EE may support software and embedded firmware development activities. Additional ...

Cardinal Health

Sr. R&D Engineer

Hazelwood, MO · Hybrid

$96K - $132K/yr

This engineer will develop and extend software and firmware for the company's products ... The developed firmware will control mechanical and electronic components of the products. The ...

Cardinal Health

Sr. R&D Engineer

Hazelwood, MO · Hybrid

$98K - $135K/yr

This engineer will develop and extend software and firmware for the company's products ... The developed firmware will control mechanical and electronic components of the products. The ...

EaglePicher Technologies

Embedded software/firmware programming experience/capability preferred * Experience designing for high reliability harsh environments preferred * Working knowledge of Solidworks and Solidworks PDM ...

Cardinal Health

Sr. R&D Engineer

Hazelwood, MO · Hybrid

$96K - $132K/yr

This engineer will develop and extend software and firmware for the company's products ... The developed firmware will control mechanical and electronic components of the products. The ...

Cardinal Health, Inc.

Sr. R&D Engineer

Hazelwood, MO · On-site

$98K - $135K/yr

This engineer will develop and extend software and firmware for the company's products ... The developed firmware will control mechanical and electronic components of the products. The ...

Cardinal Health

Sr. R&D Engineer

Hazelwood, MO · Hybrid

$96K - $132K/yr

This engineer will develop and extend software and firmware for the company's products ... The developed firmware will control mechanical and electronic components of the products. The ...

EaglePicher Technologies

Embedded software/firmware programming experience/capability preferred * Experience designing for high reliability harsh environments preferred * Working knowledge of Solidworks and Solidworks PDM ...

ITW Avery Weigh-Tronix

Embedded Software Engineer

MO

$123K - $162K/yr

The engineer will contribute to software architecture, product enhancements, and reliability ... and firmware. • Diagnose issues related to startup behavior, communication failures, timing ...

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All JobsFirmware Engineer JobsFirmware Engineer Jobs in Missouri

Firmware Engineer information

See Missouri salary details

$70.3K

$157.1K

$192.3K

How much do firmware engineer jobs pay per year?

As of Jul 29, 2026, the average yearly pay for firmware engineer in Missouri is $157,057.00, according to ZipRecruiter salary data. Most workers in this role earn between $134,100.00 and $192,300.00 per year, depending on experience, location, and employer.

What is the difference between Firmware Engineer vs Embedded Software Engineer?

AspectFirmware EngineerEmbedded Software Engineer
CredentialsBachelor's in Electrical Engineering, Computer Engineering, or related fields; knowledge of hardware and low-level programmingBachelor's in Computer Engineering, Electrical Engineering, or related fields; strong programming skills in C/C++
Work EnvironmentDesigning and developing firmware for hardware devices, often working closely with hardware teamsDeveloping software for embedded systems, often in real-time environments
Industry UsageElectronics, consumer devices, IoT, automotiveConsumer electronics, medical devices, industrial automation

Firmware Engineers focus on creating low-level code that directly interacts with hardware components, while Embedded Software Engineers develop software that runs on embedded systems, often with a broader scope. Both roles require similar technical skills and often overlap in industries like consumer electronics and IoT.

How much money does a firmware engineer make?

A firmware engineer's salary varies by experience, location, and industry, but typically ranges from $80,000 to $130,000 annually. Entry-level positions may start lower, while experienced engineers with specialized skills in embedded systems and real-time operating systems can earn higher salaries. Certifications and proficiency with tools like C and assembly language can also influence compensation.

What engineers make $200,000 a year?

Senior firmware engineers, especially those with specialized skills in embedded systems, real-time operating systems, or working in high-demand industries like aerospace or defense, can earn $200,000 or more annually. Compensation often depends on experience, location, certifications, and the complexity of projects handled.

What engineers make $500,000?

Senior engineers in specialized fields such as software, hardware, or aerospace engineering can earn $500,000 or more annually, especially with extensive experience, advanced skills, and leadership roles. High compensation often includes bonuses, stock options, or profit sharing, particularly in large tech companies or startups with significant growth potential.

What are the key skills and qualifications needed to thrive as a Firmware Engineer, and why are they important?

To thrive as a Firmware Engineer, you need a solid background in embedded systems, C/C++ programming, and a relevant engineering degree such as Electrical or Computer Engineering. Familiarity with hardware debugging tools, version control systems like Git, and real-time operating systems (RTOS) is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills help firmware engineers excel, especially when collaborating with hardware and software teams. These skills and qualities are crucial to ensure reliable, efficient firmware that seamlessly integrates with hardware products.

What are some common challenges Firmware Engineers face when working with cross-functional teams?

Firmware Engineers often collaborate closely with hardware designers, software developers, and QA teams. A common challenge is ensuring clear communication of technical requirements and constraints, as firmware must interface seamlessly with hardware and higher-level software. Misalignment or delays in one area can impact overall delivery, so Firmware Engineers need strong problem-solving and collaboration skills to address integration issues and keep projects on track. Regular cross-team meetings and thorough documentation help mitigate these challenges.

What are Firmware Engineers?

Firmware Engineers are professionals who design, develop, test, and maintain the low-level software (firmware) that allows hardware devices to function. This firmware acts as a bridge between the device's hardware and higher-level software, ensuring that hardware components operate correctly and efficiently. Firmware Engineers typically work with embedded systems, writing code in languages like C or C++ for microcontrollers, sensors, and other electronic devices. Their work is crucial in industries such as consumer electronics, automotive, medical devices, and telecommunications.

What does a firmware engineer do?

A firmware engineer designs, develops, and tests low-level software that controls hardware devices such as microcontrollers and embedded systems. They work with programming languages like C or C++, use tools like debuggers and oscilloscopes, and often collaborate with hardware engineers to ensure proper integration and functionality.
What are the most commonly searched types of Firmware Engineer jobs in Missouri? The most popular types of Firmware Engineer jobs in Missouri are:
What are popular job titles related to Firmware Engineer jobs in Missouri? For Firmware Engineer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Firmware Engineer jobs in Missouri look for? The top searched job categories for Firmware Engineer jobs in Missouri are:
What cities in Missouri are hiring for Firmware Engineer jobs? Cities in Missouri with the most Firmware Engineer job openings:
What are popular job titles related to Firmware Engineer jobs in MO? For Firmware Engineer jobs in MO, the most frequently searched job titles are:
Firmware Engineer jobs near you
Infographic showing various Firmware Engineer job openings in Missouri as of July 2026, with employment types broken down into 100% Full Time. Highlights an 60% In-person, and 40% Hybrid job distribution, with an average salary of $157,057 per year, or $75.5 per hour.

Senior SIT Engineer - Firmware & Hardware)

Hubbell Incorporated

Saint Louis, MO

$113K - $149K/yr

Other

Re-posted 6 hours ago

Hubbell rating

7.6

Company rating: 7.6 out of 10

Based on 42 frontline employees who took The Breakroom Quiz

82nd of 156 rated electronics manufacturers

Job description

Job Overview

The Senior SIT Engineer (Firmware & Hardware) is responsible for leading system integration testing of complex solutions involving firmware, hardware devices, and supporting software systems. This role ensures endtoend quality, reliability, performance, and interoperability across the full System Development Life Cycle (SDLC). The engineer plays a critical role in promoting qualityfirst practices, mentoring team members, and driving continuous improvement within the Aclara software and product organization.

#LI-SL1


A Day In The Life
  • Lead and execute system integration testing (SIT) for solutions that include firmware, embedded systems, hardware components, and backend software.
  • Ensure adherence to qualityfirst practices across all SDLC phases, including requirements review, design validation, firmware testing, hardware integration, regression testing, performance testing, and release readiness.
  • Develop, review, and maintain systemlevel test strategies, test plans, test cases, and endtoend test scenarios, ensuring alignment with defined acceptance criteria.
  • Validate firmware and hardware interoperability with applications, APIs, messaging, and data pipelines.
  • Identify, analyze, and mitigate integration, performance, reliability, and scalability risks across hardwarefirmwaresoftware boundaries.
  • Evaluate new products, firmware releases, hardware revisions, and processes to continuously improve the reliability and robustness of company solutions.
  • Drive rootcause analysis of systemlevel defects, including issues spanning firmware, hardware, and software layers.
  • Champion continuous improvement by enhancing SIT practices, tools, environments, and automation approaches across teams.
  • Promote best practices and help establish a culture of excellence and accountability within the Aclara engineering and quality organization.
  • Communicate complex technical and quality topics clearly to engineers, product owners, business leaders, and customers.
  • Participate in and influence release readiness, quality gates, and go/nogo decisions, providing objective quality assessments and risk visibility.
  • Mentor junior and midlevel SIT engineers and provide guidance on firmware and hardware testing best practices.
What will help you thrive in this role?

Required Skills & Qualifications

  • Minimum of a Bachelor's Degree in Computer Science, Engineering or related field
  • 5+ years of experience in System Integration Testing, with handson experience testing firmware and hardwarebased systems.
  • 10+ years of experience in System Integration Testing and quality engineering
  • Strong understanding of embedded systems, firmware lifecycles, and hardwaresoftware integration.
  • Proven experience testing complex, distributed systems involving devices, firmware, backend services, and user interfaces.
  • Solid understanding of SDLC, SIT processes, and quality assurance best practices.
  • Experience working in Agile and/or DevOps environments.
  • Strong analytical and troubleshooting skills across firmware, hardware, and software layers.
  • Excellent verbal and written communication skills, with the ability to explain technical issues to nontechnical stakeholders.

Technical Expertise (Preferred)

  • Firmware & Integration: Device communication, protocols, messaging, eventbased systems
  • Testing Tools: JMeter, SOAPUI, Kafka, Grafana, RabbitMQ
  • Languages & Scripting: C#, Python, JavaScript, XML
  • Databases: Databases: Oracle 19c/12c/11g, MS SQL Server, PL/SQL, T-SQL,
  • Platforms: Microsoft Azure, AWS, Windows Server environments
  • Other: System diagnostics, log analysis, defect management, performance and reliability testing

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.

What Hubbell employees say

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Hours and flexibility

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About Hubbell

Sourced by ZipRecruiter

Hubbell Incorporated was founded in 1888 and has grown into an international manufacturer of quality electrical, lighting and power solutions with more than 75 brands used and recognized around the world. Our founder, Harvey Hubbell, developed tooling and equipment to serve the growing demand for new assembly and manufacturing machinery during the industrial revolution. An early, and one of many patents awarded, came for the creation of the first practical method to control electricity through the pull chain socket that remains unchanged today. As a market leader in reliable, electrical solutions, we provide more than half a million products delivered through our various business groups. Hubbell is committed to continually innovating solutions that work, transforming old products with new ideas, and ensuring that we Energize, Enlighten and Empower the communities that support us.

Industry

Electrical equipment, appliance, and component manufacturing

Company size

10,000+ Employees

Headquarters location

Shelton, CT, US

Year founded

1888

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