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Fire Protection Engineer - Battery Energy Storage Systems (BESS)Our Client is looking for a talented mid-level Fire Protection Engineer to join our growing team, specializing in fire and explosion safety for battery energy storage systems. This is a technically rich, high-impact role offering real opportunities to grow into a recognized subject-matter expert in one of the most rapidly evolving sectors in energy and fire protection.

About the RoleYou'll work directly with our Clients manufacturers to navigate complex fire safety challenges - from code compliance and hazard analysis to large-scale fire testing and explosion protection. If you're passionate about cutting-edge energy technology and want your engineering expertise to shape how the industry approaches safety, this is the role for you.

What You'll DoEvaluate BESS products, installations, and technical documentation for compliance with NFPA 855, applicable fire and building codes, and project-specific requirementsPrepare and review code compliance assessments, gap analyses, design comments, technical memoranda, and engineering reportsAdvise manufacturers on fire protection strategies covering system layout, separation distances, detection, suppression, ventilation, emergency response, and explosion controlReview NFPA 68 deflagration venting and NFPA 69 explosion prevention reports, assessing technical appropriateness and supporting test dataEvaluate explosion, gas dispersion, ventilation, thermal, and fire simulation models - including inputs, assumptions, boundary conditions, validation, and sensitivity analysesReview and witness

UL 9540A

large-scale fire testing, documenting conditions, observations, deviations, and resultsSupport responses to Authorities Having Jurisdiction, fire departments, customers, and testing laboratoriesCoordinate across battery, electrical, mechanical, and modeling specialists to deliver integrated solutionsManage technical tasks, schedules, budgets, and deliverables with increasing independenceMentor junior engineers and contribute to internal standards and review proceduresStay ahead of evolving BESS technologies, fire protection practices, and regulatory developments

What You BringRequired:

Bachelor's or Master's degree in Fire Protection Engineering, Mechanical Engineering, Chemical Engineering, or a closely related fieldActive California Professional Engineer license in Fire Protection Engineering3+ years of fire protection engineering experience with demonstrated BESS or explosion protection expertiseStrong working knowledge of

NFPA 855, NFPA

68, and NFPA 69Experience reviewing fire and explosion hazard analyses and engineering simulation modelsFamiliarity with

UL 9540A

testing at cell, module, unit, or installation levelExcellent technical writing, analytical, and problem-solving skillsAbility to communicate complex technical and code-related concepts clearly to diverse audiencesWillingness to travel to testing laboratories and project sites

Preferred:

Direct experience supporting BESS manufacturers or system integratorsHands-on experience witnessing large-scale

UL 9540A

fire testsKnowledge of lithium-ion battery thermal runaway, off-gas generation, fire propagation, and deflagration hazardsFamiliarity with UL 9540, International Fire Code, California Fire Code, and California Building CodeExperience reviewing CFD or numerical models using tools such as FDS, FLACS, or ANSYS FluentExperience interacting with Authorities Having Jurisdiction and managing plan-review responsesProject management, client management, or mentoring experienceYour Path ForwardThis role is designed for someone ready to grow. The successful candidate will have a clear and supported path toward:

Technical leadership on BESS fire and explosion safety projectsLead engineer and engineer-of-record responsibilitiesDirect management of strategic manufacturing clientsDevelopment of internal methods, standards, and technical guidanceMentorship and supervision of junior engineersIndustry recognition as a subject-matter expert in energy storage fire protection