We are seeking a Principal Engineer for Initiating and Indicating Devices to join our team! Our ideal candidate will have working knowledge of detection and alarm products and standards, with a focus on gas and vapor detectors and sensors, carbon monoxide alarms, and refrigerants. Having a background within a testing environment, knowledge of standard development processes, along with strong communication and presentation skills, are essential for success in this role.
This position will be responsible for driving consistency, integrity and engineering quality in the establishment and application of UL Solutions product safety certification requirements that are applied by staff located at all involved UL Solutions offices and affiliates globally. Performs duties as the Principal Engineer and as a Qualified Certification Reviewer for the assigned fire suppression standards and has working knowledge of UL Solutions safety principles and hazard-based safety engineering (HBSE).
This is a hybrid role requiring 3 days per week onsite in Northbrook, IL.
RESPONSIBILITIES
- Based on input from Subject Matter Experts (SMEs) , drafts, develops to implementation and maintains consistent and technically appropriate certification requirements in NFPA Installation Codes and Standards, ISO Standards, ULSE Standards and Outlines of Investigations, as well as Certification Requirement Decisions (CRDs), Technical Guidance Documents (TGDs), Standardized Appendix Pages (SAPs), Follow-up Inspection Instructions (FUIIs) and other standard specific ancillary documents to provide for consistent interpretation and application of requirements for UL Solutions' product certification services.
- Lead UL Solutions participation in applicable outside Standards development and maintenance to foster consistent and technically appropriate certification requirements.
- Develops and/or reviews the development of technical content that serves as the basis of training programs for Subject Matter Experts (SME's), Field Services and other UL Solutions staff to ensure appropriate and consistent application of requirements. Schedules staff meetings and/or teleconferences with category SMEs for discussions of technical requirements, procedures, form usage, etc.
- Serves as the technical project handler of qualified New or Innovative products. In this role, develops or identifies requirements to address new technical developments or product features. Works in conjunction with and utilizes the resources of the Principal Engineering Manager, Principal Engineering Director, Chief Scientist, Research, Legal, and Operations to completely review the New or Innovative product and develop the appropriate requirements for certification. Utilizes external resources such as UL's Councils in determining impact on Codes and Standards. Prepare letter report of findings for review by the Principal Engineering Manager/Director and distribution to the customer through Operations.
- Works with the governance staff to determine the need for and scope of a Certification Requirement Change (CRC) as the results of pending standards. Works with the Operations staff to determine any necessary equipment and skills needed resulting from the changes to the standard. Also works with Operations to determine the effective date of any needed CRC. In conjunction with Operations, initiates CRCs for UL Solutions certified products, ensuring all affected clients are advised of the new requirements. Drafts Important Letter and other CRC form correspondence.
- Represents UL Solutions and participates in UL/Industry Technical Meetings and UL enterprise Council Meetings and other thought leadership. Provides technical support, contributes to technical articles, and makes technical presentations. Assist Operations and Product Management in the determination of new business opportunities. Advises of the technical resources needed to actively participate in new businesses.
- Performs other duties as directed.
QUALIFICATIONS
- Bachelor's degree in Fire Protection Engineering, Electrical Engineering, Mechanical Engineering, or other related Engineering degree required.
- 5-10 years of direct working experience in the areas of gas and vapor detection.
- Working knowledge of gas detection and related safety and code requirements such as NFPA 72.
- Working knowledge of UL Solutions basic safety principles and Hazard-based Safety Engineering (HBSE).
- Demonstrated ability to apply engineering concepts in areas of expertise, including application to complex, new or unusual products.
- Demonstrated ability to present and draft technical papers on meaning of involved requirements and procedures.
- Ability to perform as a respected technical resource for peers, management and constituency.
- Detailed knowledge of UL Solutions operational vocabulary and technical vocabulary common to involved categories.
- Detailed knowledge of fire suppression products standards and codes is preferred, as well as detailed knowledge of Conformity Assessment Services, Follow-up Services, Standards programs and associated installation codes or guidelines.
- Working knowledge of industry issues, needs and problems.
- Ability to establish, track and manage multiple projects while maintaining quality.
- Demonstrates UL Solutions Ways of Working (especially communication, decision making, leading and engaging).
What we offer:
- Total Rewards: We understand compensation is an important factor as you consider the next step in your career . The estimated salary range for this position is $142,000-155,000 and is based on multiple factors, including job-related knowledge/skills, experience, geographical location, as well as other factors. This position is eligible for annual bonus compensation with a target payout of 20% of the base salary. This position also provides health benefits such as medical, dental and vision; wellness benefits such as mental and financial health; and retirement savings (401K) commensurate with the standard rewards offered in each individual location or country. We also provide full-time employees with paid time off including vacation (15 days), holiday including floating holidays (12 days) and sick time off (80 hours).
Learn More:
Curious? To learn more about us and the work we do, visit UL.com
ABOUT US
A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers' product innovation and business growth. The UL Mark serves as a recognized symbol of trust in our customers' products and reflects an unwavering commitment to advancing our safety mission. We help our customers innovate, launch new products and services, navigate global markets and complex supply chains, and grow sustainably and responsibly into the future. Our science is your advantage.
ABOUT THE TEAM
Our buildings don't just shape our skylines - they provide the backdrop to our lives. And knowing they're safe matters. We've been helping to create safer structures since 1894, combining our expertise with innovative new technologies to help make sure both people and property are secure. As more people have to deal with extreme weather, we're on hand to test products and building materials to increasingly rigorous standards. Whether we're simulating tornadoes or testing smoke alarms, the work we do on our team is used in buildings around the world to - quite literally - help save lives. Join our team and build your skills, build innovative solutions and help build a safer world.
Skills Required
- Bachelor's degree in Fire Protection, Electrical, Mechanical Engineering, or related engineering degree
- 5-10 years of direct working experience in gas and vapor detection
- Working knowledge of gas detection and related safety and code requirements (e.g., NFPA 72)
- Working knowledge of UL Solutions basic safety principles and Hazard-based Safety Engineering (HBSE)
- Background within a testing environment and knowledge of standards development processes
- Demonstrated ability to apply engineering concepts to complex, new, or unusual products
- Demonstrated ability to present and draft technical papers and technical presentations
- Ability to serve as a respected technical resource for peers, management and customers
- Detailed knowledge of UL Solutions operational and technical vocabulary common to involved categories
- Ability to establish, track and manage multiple projects while maintaining quality
- Demonstrates UL Solutions Ways of Working (communication, decision making, leading and engaging)
- Detailed knowledge of fire suppression product standards and codes, Conformity Assessment Services, Follow-up Services, and related standards/programs
UL Solutions Compensation & Benefits Highlights
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Strong & Reliable Incentives — Incentive pay is positioned as broad-based, with UL stating all employees are eligible for an annual performance bonus across regions. This universal design creates a consistent incentive foundation regardless of role or country.
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Retirement Support — Retirement offerings are described as strong, featuring a 401(k) with matching up to a total 5% and an additional 4% company retirement contribution after the first year in U.S. materials. Employees also reference access to an employee stock purchase plan in the U.S. and many major operating regions.
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Healthcare Strength — Health coverage breadth includes medical, dental, and vision with U.S. plans noting the company pays over 75% of medical premiums and offers PPO and HDHP options. Supportive programs like FSAs/HSAs, disability, life insurance, EAP, and mental‑health resources are frequently cited.
UL Solutions Insights
What We Do
A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in our customers’ products and reflect an unwavering commitment to advancing our safety mission. We help our customers innovate, launch new products and services, navigate global markets and complex supply chains, and grow sustainably and responsibly into the future. Our science is your advantage.
Why Work With Us
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.
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UL Solutions Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Depending on the role we offer hybrid or remote opportunities.


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