← All roles

Maintenance Technician, Electrical

Mariana Minerals· Plant Operations
Apply on company site
East TexasFull-timePosted 1w ago

About the role

Electrical-focused maintenance role dedicated to safe, reliable operation of electrical, control, and instrumentation systems at Lithium One in Joaquin, TX. Responsibilities include installing, testing, and maintaining motors, switchgear, breakers, and motor control centers; troubleshooting PLCs and instrumentation; and building the maintenance program with a hands-on, startup-friendly approach.

Responsibilities

  • Install, maintain, repair, and test electrical, control, communication, and measurement equipment, including medium and low voltage motors, switchgear, breakers, and motor control centers
  • Troubleshoot and diagnose issues with PLCs, relay systems, and instrumentation across the Lithium One plant, supporting both planned maintenance and unplanned breakdowns, finding the root cause and making timely repairs
  • Keep production steady by minimizing downtime and completing work to manufacturer specifications, electrical codes, and quality standards
  • Perform and document accurate preventive maintenance, inspections, and calibration on electrical and instrumentation equipment, and recommend equipment for inclusion in preventive maintenance programs
  • Read one-line diagrams, schematics, and blueprints, calculate circuit load requirements, and log work, parts used, and equipment condition in our in-house CMMS
  • Work with operations, engineering, and the mechanical and controls techs, support pump, motor, and valve repair, and communicate potential hazards to engineers, mechanics, and operators
  • Follow all OSHA and company safety procedures (including lockout/tagout, confined space, and traffic rules), actively participate in safety meetings, and immediately report hazards, near misses, or equipment damage while ensuring operations meet environmental and regulatory standards

Qualifications

  • Associate's degree in electrical, electronics, or instrumentation preferred (or equivalent experience)
  • Proven industrial maintenance or electrical experience, 3+ years
  • Hands-on experience with motors, PLCs, switchgear, breakers, motor control centers, relay systems, and instrumentation
  • Experience in an oil & gas, water treatment, chemical processing, or similar industrial setting (oil & gas highly preferred; hydrometallurgy, mining, or battery materials experience is a plus)
  • Ability to explain how you approach planned vs. unplanned maintenance, including how you troubleshoot when equipment fails unexpectedly
  • Working knowledge of electrical power and distribution systems and local, state, and national electrical codes
  • Ability to read one-line diagrams, schematics, and technical documentation
  • Mechanical aptitude and willingness to support pump, motor, valve, and piping work
  • Strong communication across shifts and good computer skills; CMMS experience preferred
  • Valid driver's license

Skills

Required:Electrical maintenancePlc troubleshootingReading schematics/one-line diagramsSafety/compliance
Last updated Oct 14, 2026. Interested? Apply on the company site.

About Mariana Minerals

We to the Future of Minerals, verify the mineral supply chain.

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

software-firstmineralsenergyAIdefense
Company profileWebsite

More open roles at Mariana Minerals