Senior EHS & Reactive Chemistry Leader – On‑Site Lab

OSI Engineering, Inc.; Menlo Park (CA); On-site; USD 250,000 - 325,000; Full time

Benefits offered by this job

Equity

Job summary

OSI Engineering, Inc. in Menlo Park, CA, is seeking a senior, hands-on process safety expert to help manage hazardous chemistry, safety reviews and lab readiness for autonomous operation.

This role works directly with scientists to build scalable safety review processes and extend EHS programs across expanding lab spaces. You will collaborate with ML teams to teach models to reason about hazards while maintaining a strong safety culture in a high‑hazard environment.

Qualifications

• Deep expertise in reactive chemistry and chemical hazards.
• Senior experience in process safety, EHS or chemical operations in a lab, pilot plant or manufacturing setting.
• Hands-on experience leading HAZOPs, FMEAs or similar risk assessments.
• Experience designing or reviewing functional safety systems.
• Wants to work on-site in a lab with changing hazard profile.

Responsibilities

• Run hazard analysis for new chemistries and processes (HAZOPs, PHAs, FMEAs, reactivity assessments).
• Build the safety review pipeline for submissions by scientists, engineers and technicians.
• Set up readiness for autonomous operation: pre-startup safety reviews, commissioning, alarm rationalization and equipment inspections.
• Design and review life safety systems with controls/automation teams (gas detection, interlocks, e-stops, fire suppression).
• Extend EHS program (permitting, chemical inventory, hazard communication, inspections) to new lab spaces.
• Collaborate with ML engineers to teach models to reason about process hazards and safety constraints.
• Be visible in the lab and foster a safety culture accepted by scientists.

Skills

Reactive chemistry

Process safety leadership

Hazard analysis (HAZOPs/FMEAs)

On-site lab operations

Safety culture development

Education

CSP or CIH certification

Job description

OSI Engineering, Inc. in Menlo Park, CA, is seeking a senior, hands-on process safety expert to help manage hazardous chemistry, safety reviews and lab readiness for autonomous operation.

This role works directly with scientists to build scalable safety review processes and extend EHS programs across expanding lab spaces. You will collaborate with ML teams to teach models to reason about hazards while maintaining a strong safety culture in a high‑hazard environment.