Maintenance Technician – Electrical & Controls

Mariana Minerals•Joaquin, TX
•Onsite

About The Position

The Maintenance Technician (Electrical & Controls) maintains the electrical, controls, and instrumentation systems at Lithium One, Mariana Minerals’ East Texas refinery in Joaquin, Texas, to keep them operating safely and reliably. The role installs, tests, and maintains electrical equipment and troubleshoots controls and instrumentation to restore production when problems occur. As part of a startup, the technician also helps build the maintenance program, including preventive maintenance planning, CMMS practices, and identifying opportunities to simplify or automate repetitive work. The position works closely with operations, engineering, mechanics, and the maintenance crew, and follows company safety procedures and applicable electrical codes.

Requirements

  • At least 3 years of industrial or manufacturing maintenance experience focused on electrical and controls.
  • Hands-on experience with 480V three-phase and single-phase AC circuits, motors, transformers, switchgear, breakers, motor control centers, relay systems, and instrumentation; solid knowledge of electrical power and distribution systems.
  • Ability to read one-line diagrams, blueprints, schematics, and manufacturer specifications, and calculate circuit load requirements.
  • Mechanical aptitude, including knowledge of hydraulics, pneumatics, pumps, valves, and piping.
  • Skill using hand and power tools and electrical test and measurement equipment.
  • Ability to explain an approach to planned and unplanned maintenance, including troubleshooting unexpected equipment failures.
  • Strong communication across shifts and good computer skills.
  • Valid driver’s license.
  • Ability to lift at least 50 pounds, stand and walk, work for extended periods in confined or elevated spaces, climb ladders and structures, and use hand and power tools with manual dexterity.
  • Must wear and use all required PPE.

Nice To Haves

  • Associate’s degree in electrical, electronics, or instrumentation, or equivalent experience.
  • Experience in oil and gas, water treatment, chemical processing, or a similar industrial setting.
  • Hydrometallurgy, mining, or battery materials experience.
  • CMMS experience.

Responsibilities

  • Install, maintain, repair, and test electrical and controls equipment, including motors, circuits, transformers, switchgear, breakers, generators, load centers, and motor control centers.
  • Troubleshoot and diagnose PLCs, VFDs, HMIs, relay systems, instrumentation, and industrial networks during planned maintenance and breakdowns; identify root causes and make timely repairs.
  • Maintain, program, and upgrade control systems, including Allen Bradley PLCs, and manage controls projects from start to finish.
  • Perform and document preventive maintenance, inspections, and calibration on electrical, controls, and instrumentation equipment; recommend equipment for preventive maintenance programs.
  • Read one-line diagrams, blueprints, and schematics; calculate circuit load requirements; and accurately record work, parts, and asset history in the in-house CMMS.
  • Coordinate with operations, engineering, mechanics, and the maintenance crew; support pump, motor, valve, and piping repairs; flag hazards; and suggest improvements to planning, scheduling, preventive maintenance, and storeroom processes.
  • Follow OSHA and company safety procedures, including lockout/tagout, confined-space, and traffic rules, as well as local, state, and national electrical codes.
  • Participate in safety meetings and promptly report hazards, near misses, or equipment damage.
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