Mariana Minerals
Controls Technician
Joaquin, TX · On-site · Full-time · Posted Oct 26, 2026
- Experience
- 3+ years of industrial or manufacturing maintenance experience focused on controls and electronics.
About the job
Provides electrical and controls support to keep the East Texas refinery operating safely and reliably, including troubleshooting, repairs, preventive maintenance, and control-system upgrades.
What you'll do
- Troubleshoot, install, test, and maintain industrial electrical equipment and controls.
- Program and upgrade PLCs, VFDs, HMIs, and industrial networks; perform preventive maintenance.
- Execute maintenance work, log asset history in the CMMS, and help improve maintenance processes.
What they ask for
- 3+ years of industrial or manufacturing maintenance experience focused on controls and electronics.
- Proficiency with Allen Bradley controls equipment, HMIs, industrial networks, and supporting PLC software.
- Hands-on experience with 480V AC circuits, transformers, switchgear, and motor control centers.
- Ability to read diagrams and schematics, calculate circuit loads, and own controls projects from start to finish.
Nice to have
- Hydrometallurgy, mining, or battery materials experience.
Tools
Allen Bradley, SLC 500, ControlLogix, PanelView Plus, VFDs, HMIs, industrial networks, CMMS
Model-written summary · the original posting is authoritative