I&E Technician: HV/MV & Instrumentation Expert

Infinium; Pecos (TX); On-site; USD 65,000 - 90,000; Full time

Job summary

Infinium is seeking an I&E Technician to ensure safe, reliable operation of our Pecos production facility. You will install, calibrate, troubleshoot, and maintain instrumentation, automation systems, and LV/MV/HV electrical distribution, including switchgear and substations.

You will work with Production, Engineering, and Maintenance to minimize downtime, improve reliability, and uphold regulatory compliance, including NFPA 70E and NEC standards. On-call support is required.

Qualifications

• Technical diploma or associate degree in Instrumentation, Electrical Technology, Industrial Automation, or related field.
• 3–6+ years of experience in oil & gas, petrochemical, power generation, data center infrastructure, or heavy industrial environments.
• Demonstrated experience with LV/MV/HV systems (up to 138kV preferred).
• Experience supporting substations, protective relays, and switching procedures.
• Strong knowledge of 4–20 mA, HART, Modbus, and fieldbus communications.
• Proficiency using multimeters, calibrators, loop testers, megohmmeters, and electrical test equipment.
• Familiarity with NEC, NFPA 70E, ISA standards, and OSHA PSM.

Responsibilities

• Perform preventive and corrective maintenance on field instruments, transmitters, control valves, analyzers, and electrical systems.
• Diagnose and troubleshoot PLC/DCS systems (Emerson, Siemens, ABB preferred), MCCs, and VFDs.
• Diagnose instrumentation loops, wiring faults, and electrical issues to reduce downtime.
• Assist with installation, calibration, commissioning, and system upgrades.
• Support loop checks, function testing, and startup activities.
• Maintain documentation for inspections, calibrations, and maintenance using CMMS.
• Support environmental and safety monitoring systems including gas detection and ESD systems.
• Participate in root cause analysis (RCA) and recommend long-term reliability improvements.
• Read and interpret P&IDs, loop diagrams, and electrical schematics.

Skills

Instrumentation

Electrical systems

PLC/DCS troubleshooting

LV/MV/HV systems

LOTO procedures

NFPA 70E compliance

CMMS documentation

Protective relays

Substation maintenance

Electrical safety

Education

Technical diploma or associate degree in Instrumentation or Electrical Technology

Tools

Multimeters

Calibrators

Loop testers

Megohmmeters

Electrical test equipment

Job description

Infinium is seeking an I&E Technician to ensure safe, reliable operation of our Pecos production facility. You will install, calibrate, troubleshoot, and maintain instrumentation, automation systems, and LV/MV/HV electrical distribution, including switchgear and substations.

You will work with Production, Engineering, and Maintenance to minimize downtime, improve reliability, and uphold regulatory compliance, including NFPA 70E and NEC standards. On-call support is required.