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Assistant Oilfield Instrumentation information

What is the difference between Assistant Oilfield Instrumentation vs Oilfield Instrumentation Technician?

AspectAssistant Oilfield InstrumentationOilfield Instrumentation Technician
CertificationsBasic safety and technical trainingAdvanced certifications, such as ISA or specific industry licenses
Work EnvironmentSupport role, assisting with installation and maintenanceHands-on troubleshooting, calibration, and repair of instrumentation equipment
Job ResponsibilitiesAssisting technicians, basic equipment checksPerforming detailed diagnostics, repairs, and system upgrades

Assistant Oilfield Instrumentation roles typically involve supporting experienced technicians with basic tasks, while Oilfield Instrumentation Technicians handle complex diagnostics and repairs. Both roles are essential in the oilfield industry, but they differ in skill level, certifications, and responsibilities.

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Assistant Oilfield Instrumentation jobs near you
Infographic showing various Assistant Oilfield Instrumentation job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 76% Full Time, 20% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution.

Electrical & Instrumentation Journeyman (Oil & Gas Manufacturing)

Circle B Measurement & Fabrication

Tulsa, OK • On-site

$25 - $32/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 16 days ago

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Job description

Position Summary

We are seeking an experienced Electrical & Instrumentation Journeyman Level II to support the build, wiring, testing, and commissioning of oil & gas measurement equipment, including meter tubes, ultrasonic meter runs, orifice systems, sample systems, and packaged measurement skids. This role is ideal for a technician with strong electrical fundamentals and hands-on instrumentation experience who can work independently in a manufacturing environment.

Key Responsibilities

  • Install, wire, and terminate electrical and instrumentation components for:
    • Ultrasonic, turbine, and orifice meter systems
    • Flow computers, transmitters, and RTDs
    • Sample systems, analyzers, and probe assemblies
    • Control panels, junction boxes, and skid-mounted I&E systems
  • Perform conduit routing, cable tray installation, cable pulls, and panel terminations according to shop standards.
  • Read and interpret electrical schematics, loop sheets, wiring diagrams, P&IDs, and measurement drawings.
  • Assist in the build and testing of measurement skids, including powering up systems, verifying signals, and supporting FAT procedures.
  • Troubleshoot electrical and instrumentation issues using multimeters, loop calibrators, and diagnostic tools.
  • Support measurement PM’s and drafting teams with redlines, revisions, and technical feedback.
  • Document work performed, materials used, and test results for QA and traceability.

Required Qualifications

  • Valid Journeyman Electrician License (state-issued).
  • 2–3 years of electrical experience.
  • Working knowledge of instrumentation, including transmitters, flow computers, RTDs, solenoids, and control wiring.
  • Ability to read and interpret P&IDs, loop sheets, wiring diagrams, and measurement schematics.
  • Proficiency with hand tools, power tools, and electrical test equipment.
  • Ability to lift 50+ lbs, work in fabrication environments, and perform physically demanding tasks.
  • Strong attention to detail and commitment to measurement accuracy.

Preferred Qualifications

  • Experience working in fabrication, skid manufacturing, or with oil & gas equipment.
  • Experience wiring PLC/VFD panels, motor controls, and low-voltage control systems.
  • Knowledge of hazardous area classifications and wiring methods (Class I Div 1/2).
  • Experience supporting FAT testing, signal verification, and commissioning.