Engineering Tech II - Firmware

Aprilaire; Town of Sun Prairie (WI); On-site; USD 60,000 - 90,000; Full time

Job summary

Aprilaire is seeking an Engineering Technician II - Firmware to join our Sun Prairie Innovation Center. The role involves testing and analyzing firmware for both new and existing products, with reporting of findings per company procedures.

The position requires an Associates Degree and at least two years in a lab environment with firmware testing experience. Collaboration with engineering and cross-functional teams is essential.

Qualifications

• Associates Degree required.
• Minimum of 2 years in a lab environment with technician responsibilities (firmware testing preferred).
• Ability to work with minimal supervision and contribute in teams.
• Strong analytical and problem-solving skills.
• Mechanical aptitude and willingness to learn hands-on tasks.
• Experience with Microsoft Office Suite.

Responsibilities

• Assist engineers in development and testing of firmware for new and existing products.
• Execute test suites, analyze failures, and report results.
• Maintain auto tester functionality for regression tests.
• Monitor data and prepare test reports and coverage reports.
• Collaborate with engineers to resolve testing issues and reproduce bugs.
• Draft and maintain testing SOPs and assist with QC of incoming parts.
• Support cross-functional teams to improve processes, productivity, and quality.
• Follow Lean 5S and safety rules in the lab.

Skills

Analytical skills

Organization

Mechanical aptitude

Microsoft Office

Teamwork

Education

Associates Degree

Tools

Microsoft Excel

Python

C

Job description

Overview

The Engineering Technician II - Firmware will work in our testing lab (located in our Sun Prairie Innovation Center) and perform both new product and existing product firmware testing and analyzing and reporting of the resulting information, in accordance with company policies and procedures.

This role will be posted internally through 10/30/2026.

Responsibilities

• Assist engineers in the development and testing of new product and component firmware, and the improving and updating of existing product and component firmware.


• Execute test suites, analyze failures and issues found during test runs


• Maintain auto tester’s normal functions for regression tests.

• Monitor test data, analyze and prepare test reports. Provide consolidated aggregate test reports and test coverage reports based on major system functions/modules.

• Confer with engineering and technical personnel to resolve testing problems, such as product or system malfunctions, incomplete test data, and data interpretation.


• Create bug reports and help development team to reproduce issues.


• Assist with developing and/or recommend improved or new testing procedures, including writing and maintaining SOPs.


• Perform quality control activities related to incoming parts, ensuring the meeting of company or customer specifications.


• While the focus is on firmware testing, may also perform tests in multiple areas of the lab, including but not limited to: Mechanical, Electronics, and Automation.


• Complete and maintain all required paperwork, records, documents, etc.


• Participate in cross functional teams to ensure the continuous, on-going improvement of processes, methods, productivity, and quality, while reducing costs.


• Follow and comply with all safety and work rules and regulations. Maintain departmental Lean 5S standards.

Qualifications

Required Qualifications

• Associates Degree


• Minimum of 2 years of experience in a lab environment with technician responsibilities:
  
  
  
  • Hands on testing experience (firmware preferred)
  
  
  
  


• Ability to work with minimal supervision and to participate and contribute positively in work teams.


• Organized and strong analytical skills, including the ability to identify problems and formulate solutions.


• Mechanical aptitude, desire to learn and perform mechanical tasks.


• Experience with Microsoft Office Suite

Applicants must be legally authorized to work in the United States. Sponsorship for employment visa status is not available for this position.

Preferred Qualifications

• Firsthand experience building circuit boards


• Hand and power tool experience


• Soldering experience


• Experience working in an Agile environment, using JIRA and Confluence


• Working knowledge of C and Python programming


• Experience with Six Sigma testing approaches such as Design of Experiments and Components of Variation


• Ability to read schematics and component data sheets, along with an understanding of digital circuits to understand the interaction between firmware and electronics.

LinkedIn Tag

Keyan Stremikis #LI-KS1