CareerPlan

Senior/Staff Chemical Process Engineer

San Francisco HQFull-time2026-10-26 → 2026-11-10

Core

Lead the development and deployment of state-of-the-art chemical refining processes for critical minerals to support energy, AI, and defense technologies.

Role type

Senior/Staff Chemical Process Engineer

Builds

Mineral refining scopes, capital project execution workflows, and automated plant optimization algorithms

Domain

Critical minerals supply chain, hydrometallurgy, electrometallurgy, pyrometallurgy

Deliverable

production ML models

Required skills

Chemical engineering fundamentals, metallurgical engineering, process engineering, heat and material balances, Process Flow Diagrams (PFDs), Piping & Instrumentation Diagrams (P&IDs), first-principles modeling of chemical reactors, brownfield modifications, greenfield design, EPC/EPCM experience

Preferred skills

Cross-functional collaboration with software and machine learning teams, lab to commercial scale design experience

Technologies

Chemical reactors, unit operations, automated plant optimization algorithms

Responsibilities

Lead process area and equipment scopes from concept through design, installation, commissioning, and handover; Manage external equipment providers and engineering companies; Build heat and material balances for integrated mineral refineries; Develop PFDs and P&IDs for mineral refineries; Identify and implement engineering solutions to optimize process designs

Seniority

Senior/Staff, hands-on IC with strategic scope