Principal Engineer - Fire Suppression

We are seeking a Principal Engineer for Fire Suppression to join our team! Our ideal candidate will have working knowledge of fire suppression products and standards, such as sprinklers, fire pumps, pipes, hydrants, valves, hoses, meters, and related equipment for fire protection service systems. Having a background within a testing environment, knowledge of UL and NFPA 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. + Based on input from Subject Matter Experts (SMEs) and other subject matter sources, 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 (NFPA, AWWA, ISO, and CEN EN) 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, Product management, 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. Prepares a letter report of findings for review by the Principal Engineering Manager/Director and distribution to the customer through Operations. + Works with the responsible Operations staff to determine the need for and scope of a Certification Requirement Change (CRC) as the results of pending standards. Works with the responsible 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 Council Meetings in the area of expertise as agreed to by Operations. Provides technical support and makes technical presentations. Assists Operations in the determination of new business opportunities. Advises Operations of the technical resources needed to actively participate in new businesses. + Performs other duties as directed. + Bachelor's degree in Fire Protection Engineering, Mechanical Engineering, or other Engineering degree required (Fire Protection engineering, advanced degrees, or experience a plus). + 5-10 years of Fire Protection experience required. + Working knowledge of fire suppression systems and related safety and building code requirements + Working knowledge of UL Solutions basic safety principles and Hazard-base 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). 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. UL LLC has been and will continue to be an equal opportunity employer. To assure full implementation of this equal employment policy, we will take steps to assure that: Persons are recruited, hired, assigned and promoted without regard to race, color, age, sex or gender, sexual orientation, gender identity, gender expression, transgender status, religion, creed, national origin, ethnicity, citizenship, ancestry, disability, genetic information, military or veteran status, pregnancy, marital or familial status, or any other protected category under applicable law.

Created: 2026-04-02