Quality Control Inspector I

ESL Power Systems, Inc.; Corona (CA); On-site; USD 55,000 - 75,000; Full time

Job summary

ESL Power Systems, Inc. is seeking a QA/QC Inspector to perform receiving, in-process, final, and RMA inspections. You will verify dimensions, materials, finishes, labels, and wiring against drawings and specs, and conduct electrical tests (120V–480V) with Hi-Pot, Megger, meters, and load banks.

Maintain records, process DMRs/RMAs, and ensure adherence to safety and testing procedures. Strong attention to detail and ability to travel locally required.

Qualifications

• 1–2 years of relevant experience.
• Reading technical drawings, schematics, and specifications.
• Foundational knowledge of QC principles, inspection techniques, and industry standards.
• Proficient with standard measuring tools and test equipment (calipers, multimeter, etc.).
• Ability to follow SOPs, Work Instructions, and verbal direction.
• Strong attention to detail; ability to identify and report discrepancies.
• Basic math skills and data recording accuracy.
• Computer proficiency including Microsoft Office and ERP/MES systems.
• Effective written and verbal communication skills.
• Ability to travel locally as needed.

Responsibilities

• Perform receiving, in-process, final, and RMA inspections per established procedures.
• Read and interpret drawings, schematics, specifications, and quality documentation.
• Verify dimensions, material types, finishes, labels, quantities, assembly workmanship, and wiring against requirements.
• Conduct electrical testing (120V–480V) using Hi-Pot testers, Meggers, multimeters, phase rotation testers, and load banks.
• Perform receiving inspections using AQL sampling plans.
• Process inspection transactions in Epicor/MES and maintain accurate records.
• Create DMRs and evaluate RMAs per department procedures.
• Capture and upload photographs and supporting documentation for traceability.
• Assist with padmount inspections and point-to-point verification.
• Identify and communicate discrepancies to appropriate personnel.
• Follow all established quality, safety, and testing procedures.

Skills

Reading drawings

QC principles

Measuring tools

SOPs & work instructions

Attention to detail

Math skills

Computer proficiency

Communication skills

Independent work

Local travel

Tools

Calipers

Multimeter

ERP/MES systems

Job description

Summary

Performs receiving, fabrication, in-process, final, and return material inspections under the general supervision of the QC Manager or senior QC personnel. Verifies that products and materials including fabricated metal components, wiring assemblies, and finished electrical assemblies meet drawing requirements, specifications, workmanship standards, and customer requirements using established inspection methods, work instructions, and test procedures. Conducts standard electrical testing (120V–480V), maintains accurate documentation, creates DMRs, processes RMAs, and communicates discrepancies through established channels. This position requires strict adherence to electrical safety procedures while performing testing on equipment ranging from 120V through 480V using equipment such as Hi-Pot testers, Megger testers, load banks, multimeters, current clamps, phase rotation testers, and other electrical test equipment. Safety, quality, and compliance with established procedures, work instructions, and testing protocols are essential functions of this role.

• Perform receiving, in-process, final, and RMA inspections per established procedures.
• Read and interpret drawings, schematics, specifications, and quality documentation.
• Verify dimensions, material types, finishes, labels, quantities, assembly workmanship, and wiring against requirements.
• Conduct electrical testing (120V–480V) using Hi-Pot testers, Meggers, multimeters, phase rotation testers, and load banks.
• Perform receiving inspections using AQL sampling plans.
• Process inspection transactions in Epicor/MES and maintain accurate records.
• Create DMRs and evaluate RMAs per department procedures.
• Capture and upload photographs and supporting documentation for traceability.
• Assist with padmount inspections and point-to-point verification.
• Identify and communicate discrepancies to appropriate personnel.
• Follow all established quality, safety, and testing procedures.

Summary

Performs receiving, fabrication, in-process, final, and return material inspections under the general supervision of the QC Manager or senior QC personnel. Verifies that products and materials including fabricated metal components, wiring assemblies, and finished electrical assemblies meet drawing requirements, specifications, workmanship standards, and customer requirements using established inspection methods, work instructions, and test procedures. Conducts standard electrical testing (120V–480V), maintains accurate documentation, creates DMRs, processes RMAs, and communicates discrepancies through established channels. This position requires strict adherence to electrical safety procedures while performing testing on equipment ranging from 120V through 480V using equipment such as Hi-Pot testers, Megger testers, load banks, multimeters, current clamps, phase rotation testers, and other electrical test equipment. Safety, quality, and compliance with established procedures, work instructions, and testing protocols are essential functions of this role.

Essential Duties

• Perform receiving, in-process, final, and RMA inspections per established procedures.
• Read and interpret drawings, schematics, specifications, and quality documentation.
• Verify dimensions, material types, finishes, labels, quantities, assembly workmanship, and wiring against requirements.
• Conduct electrical testing (120V–480V) using Hi-Pot testers, Meggers, multimeters, phase rotation testers, and load banks.
• Perform receiving inspections using AQL sampling plans.
• Process inspection transactions in Epicor/MES and maintain accurate records.
• Create DMRs and evaluate RMAs per department procedures.
• Capture and upload photographs and supporting documentation for traceability.
• Assist with padmount inspections and point-to-point verification.
• Identify and communicate discrepancies to appropriate personnel.
• Follow all established quality, safety, and testing procedures.

Responsibilities

• Maintain compliance with energized testing procedures, barriers, and PPE requirements.
• Support inspection activities across both buildings as required to meet business needs.
• Adhere to all department protocols, safety requirements, and work instructions.
• Support torque calibration and preventive maintenance of inspection equipment.
• Maintain a clean, organized work area per 5S standards.
• Document inspection and test results accurately in required systems.
• Communicate nonconformances to Leads, Supervisors, and Engineering as needed.
• Participate in continuous improvement activities.
• Assist with training and contribute to work instruction development where proficiency is demonstrated.
• Perform other duties as assigned.

Qualifications

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

• 1–2 years of relevant experience.
• Working proficiency reading technical drawings, schematics, and specifications.
• Foundational knowledge of QC principles, inspection techniques, and industry standards.
• Proficient with standard measuring tools and test equipment (calipers, multimeter, etc.).
• Ability to follow SOPs, Work Instructions, and verbal direction.
• Strong attention to detail; ability to identify and report discrepancies.
• Basic math skills and data recording accuracy.
• Computer proficiency including Microsoft Office and ERP/MES systems.
• Effective written and verbal communication skills.
• Ability to work independently within established processes.
• Ability to travel locally as needed.

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform essential functions.

While performing the duties of this job, the employee will be:

Standing 35%, sitting 10%, walking 25%, computer use 15%, bending 15%,

stooping 10%, lifting up to 50 lbs.

• Work with ladders up to 12 feet.
• Wear common protective or safety equipment such as safety shoes and safety glasses

WORK ENVIRONMENT

While performing the duties of this job, the employee is regularly exposed to normal operating working conditions. The noise level in the work environment is usually moderate.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill and/or ability required. Reasonable accommodation may be made to enable individuals with illnesses or disabilities to perform the essential functions.

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