Principal Engineer (PDE)- Power Tools/Gardening Equipment

Location US-IL-Northbrook | US-NY-Melville | US-NC-Research Triangle Park | US-CA-Brea | US-WA-Vancouver | US-CA-Fremont | DE-Frankfurt | IT-Cabiate(CO) | TW-Taipei | CN-Suzhou | HK-Kwai Chung, New Territories...
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AHL – Fans – Safer World

At UL, we know why we come to work.

Thousands of us around the world wake up every day with a common purpose: to make the world a safer, more secure and sustainable place. Science is in our DNA; we are endlessly curious and passionate about seeking and speaking the truth. We take delight in knowing that our work makes a meaningful contribution to society, and we are proud that our culture is centered on integrity, collaboration, inclusion and excellence. UL stands at the forefront of technological advancement, and we are continually challenged to find new ways to foster innovation and positive change. Satisfying? Yes. Exciting? Absolutely!


Within our Appliances, HVAC and Lighting (AHL), our vision is to enable safe and high performing products to enter the global markets by providing industry leading safety, performance and expert services to our clients. The goal of AHL is to add value to our clients with expert knowledge of global markets and risk mitigation through scientific leadership. The AHL is focused on delivering a total solution package to cover full product life cycle services– from product concept design to recycling – and a customizable, comprehensive portfolio of services to our customers.


The Principal Engineer will have a detailed working knowledge of the US, Canadian, and IEC requirements for Power Tools, Gardening Equipment, Air Compressors, Batteries and Chargers, including electronic control applications.


What you’ll learn & achieve:

  • Drives consistency, integrity and engineering quality in the establishment and application of UL product safety certification requirements that are applied by staff located at all UL offices and affiliates. 
  • Is a Qualified Reviewer for the assigned standard(s) and/or product types, and has working knowledge of UL safety principles and hazard-based safety engineering (HBSE).
  • Understands scheme requirements including US Safety Scheme, Canada Safety Scheme, and CB Scheme related to the safety certification services provided for the product types under area of responsibility.
  • Develops to implementation and maintains consistent and technically appropriate certification requirements in safety standards, as well as Certification Requirement Decisions (CRD), Standardized Appendix Pages (SAPs), Technical Guidance Documents (TGD), and other standard specific ancillary documents to provide for consistent interpretation and application of requirements for UL’s product certification services. 
  • Develops and/or reviews the development of technical content that serves as the basis of training programs for RLRs, Field Services and other UL staff to ensure appropriate and consistent application of requirements. Schedules staff meetings and/or teleconferences with RLRs for discussions of technical requirements, procedures, form usage, new technologies, industry developments, etc.
  • Serves as the Technical Lead of qualified New and Innovative products. In this role, develops or identifies requirements to address new technical developments or product features. Works in conjunction with internal and external stakeholders to develop the appropriate requirements for certification.
  • During the Collaborative Standards Development process (CSDS), and other Standards development processes for non-UL Standards, works with the responsible stakeholders to determine the scope and impact of certification requirements changes and need for and scope of an Industry File Review (IFR) as the result of standard revisions.
  • Works with the responsible OPS staff to determine any necessary equipment and skills needed resulting from the changes to the standard. Also works with OPS to determine the effective date of any needed IFR. In conjunction with OPS, initiates IFRs for UL certified products, ensuring all affected clients are advised of the new requirements.
  • Participates in UL, IEC, and similar Technical and Standards Development Meetings in the areas of assigned responsibility.
  • Represents UL and participates in industry association meetings related to the product types of assigned responsibility.
  • Provides technical support to Engineering and Commercial Operations, and makes technical presentations to industry. 
  • Assists the Business Development team in the determination of new business opportunities, and advises of the technical resources needed to actively participate in new businesses.
  • Performs other duties as directed.

What makes you a great fit:

  • University degree in Engineering, Engineering Technology, Industrial Technology, Manufacturing Technology, or Physics from an accredited program or related field plus directly related experience.
  • Detailed knowledge of UL operations and technical vocabulary common to involved categories. 
  • Working knowledge of the relevant installation codes, regulations, or guidelines for HVACR equipment. 
  • Working knowledge of Hazard Based Safety Engineering (HBSE) Principles. 
  • Working knowledge of scheme requirements including US Safety Scheme, Canada Safety Scheme, and CB Scheme related to the safety certification services provided for the product types under area of responsibility. 
  • Ideal candidate will have working knowledge of power tools (corded and battery powered), garden equipment, battery powered appliances, air compressors, and electronic circuits and software used in these product types, as well as demonstrated ability to evaluate these products using UL, CSA, IEC, and other related industry Standards.
  • Demonstrated ability to develop safety requirements for complex, new and innovative products.
  • Working knowledge of relevant industry issues, needs and problems.
  • Working knowledge of UL’s Engineering Operations, Follow-up Services and Standards development process.
  • Ability to collaborate and perform as a respected technical resource for peers, management, and constituency.
  • Fluent in spoken and written English.
  • UL has COVID-19 protocols and policies in place to ensure the safety of our employees, customers and clients. Effective November 1, 2021, the company mandates that employees are vaccinated against COVID-19 as a condition of employment (except where prohibited by law), subject to reasonable accommodation as required by law.

What you’ll experience working at UL:

  • Mission: For UL, corporate and social responsibility isn’t new. Making the world a safer, more secure and sustainable place has been our business model for the last 125 years and is deeply engrained in everything we do.
  • People: Ask any UL employee what they love most about working here, and you’ll almost always hear, “the people.” Going beyond what is possible is the standard at UL. We’re able to deliver the best because we employ the best.
  • Interesting work: Every day is different for us here as we eagerly anticipate the next innovation that our customers create. We’re inspired to take on the challenge that will transform how people live, work and play. And as a global company, in many roles, you will get international experience working with colleagues around the world.
  • Grow & achieve: We learn, work and grow together with targeted development, reward and recognition programs as well as our very own UL University that offers extensive training programs for employees at all stages, including a technical training track for applicable roles.
  • Total Rewards: All employees at UL are eligible for bonus compensation. UL offers a generous 401k matching structure of up to 5% of eligible pay. Additionally, we invest an additional 4% into your retirement saving fund after your first year of continuous employment. We provide Healthcare Reimbursement Accounts and Health Savings Accounts that UL contributes to twice per year! Depending on your role, you can work with your manager on flexible working arrangements. We also provide employees with paid time off including vacation, holiday, sick and volunteer time off.

Learn More:

Working at UL is an exciting journey that twists and turns daily. We thrive in the twists and revel in the turns. This is our every day. This is our normal.

Curious? To learn more about us and the work we do, visit


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UL is an Equal Opportunity Employer: Female/Minority/disability/Protected Veteran/Sexual Orientation/Gender Identity

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or disability status. If you'd like more information about your EEO rights as an applicant under the law, please review the EEO is the Law and EEO is the Law Supplement.

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UL EEO Policy

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