Demo

Software Test Engineer

Miller Electric Mfg. LLC
Appleton, WI Full Time
POSTED ON 5/8/2026
AVAILABLE BEFORE 6/6/2026
Job Description

ITW Welding continues to build its capabilities in software development as a core competency in digitally controlled welding equipment, processes, and systems. To support this effort, we are seeking an experienced embedded software engineer to be a key driver of developing software for new product development efforts to provide increased customer satisfaction in several areas of our products.

The Sr. Firmware Engineer position will require a highly motivated individual with strong communication and interpersonal skills to work collaboratively with engineering teams, marketing, and product management to improve the maintainability of our existing solutions while developing innovative and reliable products to serve our customer needs. The right candidate will bring a foundation of embedded software experience, a shared vision of component-based, modular design, and a proven record of accomplishments working with teams as a contributor and collaborator.

Essential Functions

  • Primary responsibilities include the design, development, testing, troubleshooting, and documentation of embedded software for various hardware platforms to support new product development initiatives and existing products.
  • Create efficient, reliable, and maintainable C/C code to control hardware devices, implement algorithms, and handle real-time operations. A critical part of this role is integrating embedded controls to achieve arc characteristics that continue delivering world-class arc welding performance.
  • Strategically identify opportunities to improve code reuse within Miller by refactoring existing solutions to expand unit test coverage.
  • Collaborate with cross-functional engineering teams (including software verification, power electronics and welding), project managers, and product managers to specify, design, develop, and support new product initiatives.
  • Stay updated with emerging technologies, industry trends, and best practices in embedded systems development to incorporate new techniques and tools into the software development process.
  • Participate in code and design reviews, leveraging your expertise to guide the team towards our long-term software vision.
  • Identify areas for process improvement, propose innovative solutions, and contribute to the enhancement of software development methodologies and practices within the team.
  • Prioritize tasks, manage timelines, and effectively communicate progress and challenges to meet project deadlines and deliverables.

Minimum Qualifications

  • A bachelor’s degree in computer engineering, computer science, software engineering, or electrical engineering with a minimum of 4 years of industry experience
  • Experience designing, developing, testing, and debugging embedded software in alignment with the essential job functions above.
  • Strong knowledge and experience in embedded systems development, including:
    • Object-oriented design in C/C code bases
    • Embedded memory management considerations
    • Interfacing with embedded microcontroller peripherals (including communications)
    • Real-time task management, including interrupt service routines
  • Knowledge of software development methodologies and best practices, including version control, code reviews, and testing frameworks.
  • Proficiency in using debugging tools, oscilloscopes, logic analyzers, and other hardware/software debugging techniques to identify and resolve issues in embedded systems.
  • Strong analytical and problem-solving skills to troubleshoot complex issues and propose effective solutions in a time-sensitive environment.
  • Excellent verbal and written communication skills to effectively convey technical concepts and collaborate with team members, stakeholders, and customers.
Ideal Qualifications

  • Experience in numerous embedded controls (e.g., PID control loops, motor control, digital filters, state machines, etc.)
  • Experience with real-time operating systems (RTOS)
  • Knowledge of electronic circuits, schematics, and board-level design
  • Familiarity with continuous integration (e.g., Azure DevOps)
  • Familiarity with Agile or Scrum software development process in a team environment
  • Limited travel may be required

ITW Welding is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected Veteran status, age, or any other characteristic protected by law.

ITW is an equal opportunity employer. We value our colleagues’ unique perspectives, experiences and ideas and create workplaces where everyone can develop their careers and perform to their full potential.

As an equal employment opportunity employer, ITW is committed to equal employment opportunity and fair treatment for employees, beginning with the hiring process and continuing through all aspects of the employment relationship.

All qualified applicants will receive consideration for employment without regard to race, color, sex, gender identity, sexual orientation, religion, national origin, age, disability, protected Veteran status or any other characteristic protected by applicable federal, state, or local laws.

Salary.com Estimation for Software Test Engineer in Appleton, WI
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