magrathea

Senior Process Engineer

Oakland, California · Senior

Sponsorship not specified$150k-$190kDetected 13 days ago

PLCSensorsResearchLeadershipCommunicationProblem Solving

About the role

The role is ideal for someone who thrives in a fast-paced R&D environment and combines strong mechanical, electrical, fabrication, and process troubleshooting skills with a practical, solutions-oriented mindset.
This position requires creativity, initiative, sound technical judgment, strong operational problem-solving skills, and clear communication across pilot plant, laboratory, and demonstration plant environments.

Operate, troubleshoot, and optimize demo-scale electrolytic and high-temperature processing equipment.
Travel to Arkansas to support commissioning, startup, and operational activities at Magrathea's demonstration plant.
Design and modify piping, plumbing, electrical, and instrumentation systems.
Support PLC controls, sensor integration, wiring, and data logging systems.
Repair and perform preventative maintenance on pilot plant and laboratory equipment.
Maintain accurate experimental records, operational logs, and communicate learnings and observations.
Collaborate with engineers, scientists, and technicians to improve processes and scale emerging technologies.
Manage raw materials, process samples, and consumables while maintaining accuracy and traceability.

Ability to understand the entirety of a complex chemical flowsheet and the effects upstream results have on downstream unit operations.
Familiarity with PLC systems, instrumentation, sensors, or industrial controls.
Experience using AI tools to accelerate technical documentation, data review, root cause analysis, and knowledge transfer.
Ability to work independently in fast-paced process development environments.
Knowledge of laboratory safety and chemical handling practices.
Strong mechanical and electrical diagnostic and problem-solving skills.
Experience operating and maintaining industrial or pilot processing equipment. Bonus if you have experience with high temperature equipment or molten materials.
Comfortable working in physically demanding industrial environments involving high temperatures, molten materials, specialized PPE, and extended periods on foot.
Hands-on fabrication experience and comfort working with tools and machinery.
Ability to interpret technical drawings, wiring diagrams, and P&IDs to support equipment operation, maintenance, and system modifications.
Strong communication, documentation, and problem-solving skills.
Capable of training others in best practices and transferring process/operational knowledge.
Willingness to travel between pilot and demonstration-scale facilities in Oakland and Stamps, Arkansas, respectively, for up to 2 weeks per month.
Compensation & Benefits

$150,000-$190,000 annual salary + significant equity and milestone-based incentives

About Magrathea
Based in Oakland, California, Magrathea is a global category leader in critical mineral production technology.
Our mission is to rebuild the magnesium metal supply base, delivering secure access to one of the most critical materials on Earth.
Magnesium is essential to the aluminum, steel, titanium, nuclear, defense, and aerospace industries but 95% of global supply comes from China where large amounts of coal are used to make metal.

This listing is sourced directly from magrathea's careers page and normalized into a canonical job model.