Industrial Instrumentation Technician: Maintenance & Calibration

Asarco; Kearny (AZ); On-site; USD 75,000 - 110,000; Full time

Job summary

ASARCO LLC is seeking an instrumentation technician responsible for maintenance and installation of process instrumentation in mining/heavy industry environments. You will perform preventive and corrective maintenance, calibrations, and parts management while supporting engineers and field teams.

Strong knowledge of Allen-Bradley systems, instrumentation, and safety standards is essential. The role involves reading schematics, testing with standard equipment, and documenting results.

Qualifications

• Ladder logic and troubleshooting with Allen-Bradley RSLogix family.
• HMI project development and modification with RSView family.
• Data transfer via Serial, Data Highway+, ControlNet and Ethernet.
• In-depth knowledge of process instrumentation including sensors and devices.
• Reading instrument loop diagrams, data sheets and PID diagrams.
• Repair, testing and calibration of valves.
• Pressure instrument calibration and dead-weight bench testing.
• Understanding of VFD drives and rectifiers.
• Low voltage control systems and fiber optics.
• Safe use of test equipment for calibration and diagnostics.
• Blueprint reading and mechanical math knowledge.
• Clear verbal and written communication skills.

Responsibilities

• Read schematics and instructions to assemble electronics units and apply electronic theory.
• Test electronics units with standard equipment and evaluate performance.
• Perform preventative maintenance and calibration of equipment and systems.
• Assemble and maintain circuitry per manuals and engineering direction.
• Adjust and replace defective circuitry using tools and soldering iron.
• Identify and resolve malfunctions with suppliers as needed.
• Maintain logs and manuals documenting testing and operation.
• Provide user applications and engineering support for upgrades.
• Assist users and diagnose product usage issues.
• Build prototypes from sketches and plans.
• Draft circuitry and documentation under engineers' direction using CAD.
• Develop and upgrade preventative maintenance procedures.

Skills

Ladder logic

HMI development

Industrial protocols

Process instrumentation

Instrumentation diagrams

Valve calibration

Pressure testing

VFD

Rectifiers

Low voltage control

Fiber optics

Test equipment

Blueprint reading

Communication

Education

5 Years experience in maintenance and installation of process instrumentation in mining/heavy industry

Accredited apprenticeship or formal vocational training in instrumentation or Bachelor's degree

High school diploma or GED

Knowledge of NFPA 70B and NFPA 70E

Tools

RSLogix/RSLogix5000

RSView

Job description

ASARCO LLC is seeking an instrumentation technician responsible for maintenance and installation of process instrumentation in mining/heavy industry environments. You will perform preventive and corrective maintenance, calibrations, and parts management while supporting engineers and field teams.

Strong knowledge of Allen-Bradley systems, instrumentation, and safety standards is essential. The role involves reading schematics, testing with standard equipment, and documenting results.