Industrial Controls Tech - Shape Maintenance & Reliability

Mariana Minerals; Joaquin (TX); On-site; USD 70,000 - 90,000; Full time

Job summary

Mariana Minerals is seeking a Controls Technician for our East Texas refinery. You will troubleshoot and repair electrical and controls wiring and programming across production equipment, working with 480V three-phase and single-phase AC circuits, transformers, switchgear, and motor control centers.

You will also help with PM planning and CMMS upgrades as we shape maintenance strategies. The ideal candidate will have hands-on experience with Allen Bradley PLCs, HMIs, VFDs, and industrial

Qualifications

• 3+ years in industrial maintenance focused on controls
• Proficiency with Allen Bradley controls and HMIs
• Experience with 480V three-phase circuits and power distribution
• Ability to read schematics and one-line diagrams
• Strong preventive maintenance and CMMS exercises

Responsibilities

• Troubleshoot and diagnose electrical and controls across industrial equipment
• Install, test, and maintain electrical equipment per blueprints and diagrams
• Maintain, program, and upgrade control systems including PLCs and HMIs
• Perform preventive maintenance and PM planning tasks
• Log work and asset history in CMMS and track improvements
• Collaborate with operations, engineering, and maintenance teams
• Adhere to OSHA and safety procedures; ensure safe, compliant work environment

Skills

Allen Bradley PLCs

Industrial maintenance

Electrical testing

Troubleshooting

One-line diagrams

Tools

CMMS

HMIs

VFDs

Job description

Mariana Minerals is seeking a Controls Technician for our East Texas refinery. You will troubleshoot and repair electrical and controls wiring and programming across production equipment, working with 480V three-phase and single-phase AC circuits, transformers, switchgear, and motor control centers.

You will also help with PM planning and CMMS upgrades as we shape maintenance strategies. The ideal candidate will have hands-on experience with Allen Bradley PLCs, HMIs, VFDs, and industrial