Senior BESS Product Safety Engineer (Energy)

TL;DR

Senior BESS Product Safety Engineer (Energy): Leading technical safety architecture for Battery Energy Storage Systems with an accent on fire code compliance, thermal runaway mitigation, and regulatory testing. Focus on managing UL 9540/9540A certification, fire modeling, and interfacing with AHJs to ensure safe deployment of utility-scale energy storage solutions.

Location: Must be based in Louisville, CO (Onsite)

Salary: $113,000–$141,525/year

Company

A Fortune 500 global energy leader committed to decarbonization and providing 24/7 carbon-free energy solutions to millions of customers worldwide.

What you will do

• Interpret and apply NFPA, IFC, UL, and IEC standards to guide BESS product development.
• Review and approve mechanical drawings, CAD models, and safety-critical enclosure designs.
• Oversee UL 9540/9540A testing and fire/explosion modeling using tools like FLACS or Ansys.
• Develop fire code compliance matrices and manage permitting documentation with AHJs.
• Lead the development of emergency response documentation and safety packages.
• Mentor junior engineers and contribute to continuous improvement of BESS integration practices.

Requirements

• Bachelor’s degree in Electrical, Mechanical, or Fire Protection Engineering.
• 5-7 years of experience in mechanical design and fire protection for industrial or safety-critical systems.
• Strong working knowledge of BESS fire codes (UL 9540/9540A, NFPA 68/69/72/855).
• Proficiency with mechanical CAD and safety modeling tools (SolidWorks, AutoCAD).
• Ability to travel approximately 30% of the time for project support.
• Must be authorized to work in the United States.

Nice to have

• Master’s degree in a relevant engineering discipline.
• Direct experience with utility-scale BESS.
• Active participation in standards organizations like NFPA, UL, or IEEE.
• Experience with advanced fire modeling tools such as FLACS, Ansys, or FDS.

Culture & Benefits

• Comprehensive medical, dental, and vision coverage.
• 401(k) eligibility with company contributions.
• Paid time off including vacation, sick leave, and parental leave.
• Opportunity to work for a top-ranked workplace for innovators in the renewable energy sector.
• Commitment to diversity, inclusion, and global sustainability goals.