Test Technician

Details:

Position Overview

We are seeking an experienced Test Technician or Test Specialist to join our Electrical Utility Commissioning team at the Marathon Carson Refinery. This role is responsible for the field testing, verification, and commissioning of medium- and high-voltage electrical systems to ensure safety, performance, and regulatory compliance prior to energization and handover to operations.

Pay Range: $35-$80 per hour

Location:Carson, CA

Key Responsibilities

• Execute commissioning and functional testing for MV/HV electrical systems: transformers, switch gear, control panels, relays, SCADA, and communication networks.
• Perform electrical tests: insulation resistance, turns ratio, CT/PT verification, breaker timing, primary/secondary injection, and logic checks.
• Interpret and review schematics, single-line diagrams (SLDs), and construction drawings; validate as-built conditions and develop redlines.
• Collaborate with utilities, contractors, and operations on energization plans and site readiness.
• Troubleshoot protection/control systems and coordinate corrective actions with engineering teams.
• Maintain accurate documentation including test records, punch lists, commissioning reports, and turnover packages.
• Ensure all work adheres to applicable codes, standards, and site safety protocols (e.g., NETA, IEEE, CSA, NEC).
• Participate in site inspections, QA/QC processes, and startup support for substations and power distribution infrastructure.
• Mentor junior technicians and contribute to a strong safety culture.

Qualifications

• Diploma or Degree in Electrical Engineering Technology, Power Systems, or related field.
• Eligible for certification as a Certified Engineering Technologist (C.E.T.) or equivalent.
• 3-7 years of direct field experience in commissioning and testing in utility, power generation, or heavy industrial environments.
• Proficiency with industry-standard test equipment (e.g., Omicron, Doble, Megger) and software tools.
• Strong knowledge of protection and control systems, utility interconnections, and commissioning best practices.
• Familiarity with LOTO procedures, arc flash protection, and electrical safety standards.
• Valid driver's license with flexibility to travel and work in field-based environments.

Preferred Qualifications

• NETA Level II or III certification
• Experience with ISO, NERC, or utility interconnection compliance
• Background in SCADA systems, telemetry, or RTAC integration
• Ability to lead commissioning on complex, multi-discipline projects
• Previous experience in industrial or refinery settings
• Member of IBEW Local 47

Working Conditions

• Field-based position involving exposure to energized equipment, active construction zones, and varying weather conditions.
• Extended hours, rotating shifts, and regional travel may be required based on project schedules.

#INDW