Top 4 Senior firmware engineer Jobs in Madison, Wi

Senior Firmware Engineer
i3 Product Development —Sun Prairie, WI
- $110,000 - $140,000 a year
- Full-time
- 7 years
- Computer Science
- System design
- Health savings account
- Employee stock purchase plan
Quick Apply
Leo Cancer Care: Systems Engineer Level III-IV
Centaur Health Holdings —Middleton, WI
- Full-time
- Hybrid work
- Engineering
- Office
- Mentoring
Quick Apply
Senior Sustaining Engineer – Electrical
Mallinckrodt —Madison, WI
- Full-time
- 5 years
- Research
- Analysis skills
Senior Systems Engineering Compliance Engineer
ACCURAY —Madison, WI
- Overtime
- 7 years
- Office
- Analysis skills
Quick Apply

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Senior Firmware Engineer

i3 Product Development
Sun Prairie, WI

Quick Apply

Job Details

Full-time
$110,000 - $140,000 a year

Benefits

Health savings account
Employee stock purchase plan
Paid holidays
Disability insurance
Health insurance
Dental insurance
Flexible spending account
Paid time off
Vision insurance
Life insurance

Qualifications

Embedded systems
Firmware
Engineering process optimization
Control system design
Firmware development
Team development
Computer hardware
Mentoring
Design engineering
RTOS
Leading team collaboration initiatives
Technical writing
Embedded C
Continuous improvement for developers
Microcontroller programming
Developer tools
Product design documentation
Debugging

Full Job Description

At i3 Product Development, we are a place for people who love to build, learn, and stay curious, especially when the problems are complex. As a Senior Firmware Engineer, you will be part of a high-performing team of designers, engineers, and problem solvers working together under one roof to turn ideas into real, functioning products.

Our projects span the medical, agricultural, industrial, consumer, health and wellness, and on- and off-road recreation industries, so the technical challenges are always evolving. One month, you might be architecting firmware for a connected embedded platform. Next, you could be optimizing performance and power consumption on a resource-constrained device. With more than 100 projects each year, the work is varied, hands-on, and deeply collaborative.

About the Role

This role is ideal for engineers who enjoy technical depth, systems thinking, and cross-functional collaboration. As a senior engineer, you will shape and own firmware architecture, influence key hardware decisions, mentor teammates, and contribute from early concept through product launch. You will strengthen our architectural foundations and establish high engineering standards that scale with the growth and complexity of our projects.

We support our team with strong benefits, including a zero-deductible health plan, meaningful retirement match, and employee ownership, so you can focus on doing great work and growing your career.

What You Will Do

Design and develop firmware for embedded products from concept through production

Write and maintain high-quality C and C++ code

Develop control algorithms and communication interfaces

Collaborate closely with electrical engineers on hardware selection, board bring-up, testing, and debugging

Support system integration and product validation efforts

Own and evolve firmware architecture and technical direction

Lead and drive design reviews and cross-functional technical discussions

Mentor engineers and actively elevate team capability

Continuously build your skills through varied project work and shared learning

Qualifications

Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related discipline

Seven or more years of professional experience in embedded firmware development, including experience owning complex systems

Deep proficiency in C and C++

Experience developing for 32-bit microcontrollers and Single Board Computer platforms

Experience developing in embedded Linux environments

Experience using compilers, debuggers, and embedded development tools

Working knowledge of Real Time Operating Systems

Comfort using lab equipment such as oscilloscopes, logic analyzers, and digital multimeters

Strong collaboration skills and a practical understanding of electrical engineering fundamentals

Experience leading architectural decisions across multiple firmware projects

Experience establishing or improving engineering standards and development processes

Strong design documentation and technical communication skills

Track record of mentoring engineers and raising overall team capability

Nice to Have

Experience with additional programming languages such as C#, Python, or Java

Experience with communication protocols such as Wi Fi, Bluetooth, CAN, TCP/IP, SPI, or I2C

Familiarity with tools such as Wireshark

In-depth knowledge of Linux internals, including bootloaders, file systems, and kernel concepts

Experience with build systems such as Yocto or Buildroot

Experience in regulated industries such as medical

Why i3

At i3, Firmware Engineers do not work in isolation. You will collaborate closely with multidisciplinary teams, see your code move from prototype to production, and help shape products that make a real impact. We value curiosity, accountability, and engineers who care about both technical excellence and team success.

Benefits

Health insurance with a zero-dollar deductible and employee premiums as low as nine dollars per pay period

Dental and vision coverage

401(k) with a dollar-for-dollar match up to six percent

Employee Stock Purchase Program

Company paid short- and long-term disability insurance

Company paid life insurance at two times your annual salary

Flexible Spending Accounts and Health Savings Accounts

Paid time off plus nine paid holidays

Emergency Assistance Fund

Charitable Match Program

Quick Apply

Refine Your Search

senior firmware engineer jobs in madison, wi

Senior Firmware Engineer

Leo Cancer Care: Systems Engineer Level III-IV

Senior Sustaining Engineer – Electrical

Senior Systems Engineering Compliance Engineer

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