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Principal Controls Test Engineer

With more than $1B in revenue, Tennant Company is a globally recognized leader in the cleaning equipment industry. For the past 150 years, we have been passionate about developing and manufacturing innovative and sustainable solutions for our customers. At Tennant Company, we are committed to stewardship and creating a cleaner, safer and healthier world. With manufacturing, operations and sales, service, and support functions across the globe, your journey at Tennant can take you places you never expected.



Tennant is a recognized leader in designing, manufacturing and marketing solutions for industrial and commercial markets, with more than $820 million in annual revenues. With a vision to become a global leader in sustainable cleaning, Tennant creates innovative software systems and solutions that are changing the way the world cleans.

Tennant Company, a technology leader in developing sustainable cleaning solutions, is recruiting for an Electrical Engineer with a strong background in embedded software to serve as a Controls System Test & Reliability Engineer. The successful candidate will participate in the evaluation and assessments of a broad range of innovative product designs that utilizes the latest in technology including the latest in “GREEN” Nano-bubble cleaning technologies, leading edge battery and charger technologies, and fully autonomous vehicles. We are looking for an engineer who is passionate about product testing and reliability enjoys working with a team of talented engineers and is eager to take on big challenges. As part of this team, you will have the ability to contribute significantly to the delivery of our award winning products around the world!



  • Partner with design team to develop automated test programs for Tennant’s AMR programs
  • Support the development of controls reliability and functionality testing systems
  • Develop test plans, procedures and reports to support verification of Tennant control systems designs
  • Drive a strong product reliability culture through the use of leading edge accelerated test strategies
  • Coach and Mentor engineers and technicians regarding controls testing principles
  • Participate in design reviews for controls systems with design engineering
  • Contribute to design documentation; including context diagrams and flowcharts
  • Work with talented team of technicians to execute controls test plans and reports
  • Evaluate product controls for compliance to regulatory requirements
  • Work cross-functionally to lead and execute product evaluation programs
  • Participate in executive level report-outs on performance results
  • Maximize utilization of HALT, Charger, and Battery Test Assets
  • Identify, justify, and deploy new test assets to enhance Tennant’s understanding of product performance


  • BS in Electrical or Software Engineering from an ABET accredited four-year college or university; BS requires 15+ years, MS 10-15 years, PHD 5-10 years relevant experience
  • Software and Controls System Development
  • CANopen and J1939 buses and frameworks
  • Embedded software development employing:
  • C/C++ and structured programming
  • RTOS systems
  • Doors or other requirements management tool
  • Preferred configuration management tools such as Subversion, ClearCase, etc.
  • PLC programming (Allen Bradly and Automation Direct preferred)
  • Computer control systems programming (National Instruments LabVIEW preferred)
  • Embedded control system software validation with an emphasis in firmware
  • Preferred EMC/EMI testing and troubleshooting
  • Electric vehicle and automated navigation system design experience highly desirable
  • Six Sigma Black Belt preferred - Green Belt accepted
  • Trained on Reliability and Product Life analysis methodologies


  • TestStand with LabVIEW driver programming experience
  • PXI and GPIB based test development
  • Hands on experience with benchtop test equipment such as DMMs and oscilloscopes
  • Advanced Windows operating system skills
  • Database design and implementation for test data
  • Requirements management, V&V
  • Proficient Project Manager - Demonstrated ability to deliver projects to timelines, budgets, and target performance
  • Skilled Leader - Ability to drive a cross-functional and cross-departmental team
  • Structured problem solver - Ability to drive root cause identification and corrective action leading to timely resolution
  • Strong ability to multi-task; likely driving multiple projects simultaneously
  • Ability to debug complex controls Hardware and Software
  • Ability to critique design details against overall product requirements
  • Ability to work effectively in a fast-paced, innovative and dynamic environment


Begin your journey with us. Let's reinvent how the world cleans. 


Equal Opportunity Employer

Tennant Company is an equal opportunity employer. Employment decisions are made on the basis of individual skill, ability, reliability, productivity, and other factors important to performance. We do not discriminate on the basis of race, color, religion, sex, national origin, physical or mental disability, age, military service, pregnancy, sexual orientation, genetic information (including family medical history), marital status, gender identity or expression, parental status, political or any other non-merit based factors protected by state or federal law or local ordinance.

Nearest Major Market: Minneapolis

Job Segment: Firmware, Embedded, Testing, Compliance, Database, Technology, Legal

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