Jeffrey Mantilla
Health, Safety & Environmental Supervisor @PCL Construction
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WORK HISTORY
Health, Safety & Environmental Supervisor @PCL Construction
Civil Special Projects - Expansion of Oliver Roemer Water Filtration Facility - Rialto, California - Terminal Island Water Reclamation Plant System Upgrade - Long Beach, California
EDUCATION
Archbishop Romero Catholic Secondary School
High School Diploma
George Brown Polytechnic
Ontario Youth Apprenticeship Program (OYAP)
Infrastructure Health and Safety Association
National Construction Safety Officer , Occupational Health and Safety
Toronto Metropolitan University
Certificate, Occupational Health and Safety
ABOUT JEFFREY MANTILLA
With over 18 years in construction and safety leadership—including 9+ years as a carpenter and 9+ years in HSE—I bridge hands-on trade experience with proven safety management across Canada and the United States. My career spans vertical construction, underground heavy civil, and mining, where I’ve combined practical field knowledge with regulatory expertise to deliver safe, high-performing projects.Having worked with three of North America’s top general contractors, I’m known for aligning field realities with compliance across multiple frameworks—OSHA, CAL/OSHA, OHSA, and MSHA. My approach is grounded in both site experience and formal credentials, including an OHS Certificate from Toronto Metropolitan University, NCSO and CHST designations, and recognition such as being named one of OHS Canada’s Top 25 Occupational Health and Safety Professionals Under 40 (2022).After relocating first to Nevada and then to California, I bring a cross-border perspective that blends Canadian regulatory depth with U.S. compliance expertise. Whether on a high-rise, a deep excavation, or a remote mine site, my goal is consistent: build a proactive, collaborative safety culture so teams deliver world-class projects—and everyone goes home safe.
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