Process Safety Engineer

The role

The Process Safety Management Engineer will build, administer, and improve the company's process safety and major hazard risk management program. This role supports labs, pilot operations, process development, scale-up projects, and future operating facilities through risk assessments and engineering controls.

What you will do

• Administer PSM and major hazard risk management workflows.
• Lead or support PHAs, HAZOPs, HAZIDs, LOPAs, and other structured reviews.
• Support Management of Change and Pre-Startup Safety Review processes.
• Review PFDs, P&IDs, equipment specifications, and control narratives.
• Provide engineering input on life safety, fire protection, and hazardous materials.
• Partner with internal SMEs, external engineers, insurers, and AHJs.
• Develop and maintain process safety information and hazard registers.
• Evaluate safeguards and risk reduction actions.
• Support incident investigations and root cause analysis.
• Support broader Health & Safety initiatives including HazCom and emergency response planning.

Required qualifications

• B.S. or higher in Chemical Engineering, Mechanical Engineering, Mining Engineering, Metallurgy, Fire Protection Engineering, Safety Engineering, or a related technical discipline.
• 5+ years of relevant experience in process safety, process engineering, plant design, operations, commissioning, EHS, or risk management in minerals, mining/metallurgy, chemicals, specialty materials,
• Hands-on experience supporting or facilitating PHAs, HAZOPs, HAZIDs, LOPAs, MOC, PSSR, incident investigations, or formal risk assessments.
• Ability to read and interpret PFDs, P&IDs, layouts, equipment data sheets, operating procedures, control narratives, and chemical inventories.
• Working knowledge of process safety and facility safety requirements such as OSHA PSM, EPA RMP, IFC/IBC concepts, NFPA standards, pressure systems, hazardous materials, electrical safety, fire protect
• Strong technical writing, meeting facilitation, action tracking, data organization, and communication skills.
• Ability to challenge assumptions constructively, document decisions clearly, and translate risk assessment outputs into practical controls.
• Comfortable working in fast-paced, ambiguous environments.

Nice to have

• Professional certifications or specialized training such as PE, CSP, CCPSC, CFPS, HAZOP/LOPA facilitation training, or equivalent process safety credentials.
• Experience with pilot plants, lab-scale hazards, scale-up projects, hazardous materials permitting, fire/life safety coordination, commissioning, or operational readiness.

About the company

Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies.