Top 17 Firmware engineer Jobs in Sun Prairie, 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
Control Software Engineer
Methodica Technologies —Middleton, WI
- Bachelor of Science
- System design
- Research
Software Engineer
i3 Product Development —Sun Prairie, WI
- $70,000 - $100,000 a year
- Full-time
- Azure
- Management
- Computer Science
- Health savings account
- Employee stock purchase plan
Quick Apply
Electrical Engineer
i3 Product Development —Sun Prairie, WI
- $95,000 - $130,000 a year
- Full-time
- 5 years
- Mentoring
- Senior level
- Health savings account
- Employee stock purchase plan
Quick Apply
Electrical Engineer-Innovation Team
Johnson Health Tech North America Inc —Cottage Grove, WI
- Full-time
- Research
- Mid-level
- Analysis skills
- Health insurance
- Dental insurance
Quick Apply
Product Development Manager
i3 Product Development —Sun Prairie, WI
- $95,000 - $125,000 a year
- Full-time
- Engineering
- Presentation skills
- Product management
- Health savings account
- Employee stock purchase plan
Quick Apply
4d
Software Engineering Manager
Genus Plc —Windsor, WI
- $135,000 - $160,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Master's degree
- Health savings account
- Paid holidays
Product Design Engineer, IoT
Promega —Madison, WI
- Power tools
- Senior level
- Hand tools
Senior Electrical Engineer-Innovation Team
Johnson Health Tech North America Inc —Cottage Grove, WI
- Full-time
- Research
- Office
- Analysis skills
- Health insurance
- Dental insurance
Quick Apply
Leo Cancer Care: Systems Engineer Level III-IV
Centaur Health Holdings —Middleton, WI
- Full-time
- Hybrid work
- Engineering
- Office
- Mentoring
Quick Apply
9d
Motion Control Engineer
Accuray Incorporated —Madison, WI
- Full-time
- Computer Science
- Research
- Assembly
Quick Apply
Manufacturing Reliability Engineer (Based in Milwaukee; Relocation assistance available)
Diligent Robotics —Madison, WI
- Full-time
- Software troubleshooting
- 5 years
- System design
- Relocation assistance
Quick Apply
1d
Manager III, Corporate Infrastructure and Edge Systems, Shopbop and Zappos
Zappos.com LLC —Madison, WI
- $136,500 - $184,600 a year
- Overnight shift
- Office
- Windows
- Java
- AD&D insurance
- Health insurance
Senior Sustaining Engineer – Electrical
Mallinckrodt —Madison, WI
- Full-time
- 5 years
- Research
- Analysis skills
Electrical Engineer III
Accuray Incorporated —Madison, WI
- Full-time
- 5 years
- Analysis skills
- US work authorization
Quick Apply
11d

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Technical Implementation Engineer
Amtelco —McFarland, WI
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8d
Software and Customer Solutions Engineer
Rural Electric Supply Cooperative —Middleton, WI
10+ years of experience in software development, business systems analysis, or enterprise applications, including direct customer engagement and leadership of…
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firmware engineer jobs near sun prairie, wi

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

firmware engineer jobs in sun prairie, wi

Senior Firmware Engineer

Control Software Engineer

Software Engineer

Electrical Engineer

Electrical Engineer-Innovation Team

Product Development Manager

Software Engineering Manager

Product Design Engineer, IoT

Senior Electrical Engineer-Innovation Team

Leo Cancer Care: Systems Engineer Level III-IV

Motion Control Engineer

Manufacturing Reliability Engineer (Based in Milwaukee; Relocation assistance available)

Manager III, Corporate Infrastructure and Edge Systems, Shopbop and Zappos

Senior Sustaining Engineer – Electrical

Electrical Engineer III

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