Quality Inspector

6665 Hardaway Rd, Stockton, CA 95215, USA

Posted Friday, January 16, 2026 at 9:00 AM

Headquartered in Fort Mill, South Carolina, Mac Lean Power Systems (MPS) is a leading manufacturer of mission-critical and engineered components for the electric utility, telecommunications, and civil markets. Established in 1986 as a subsidiary of a larger parent company, MPS has grown substantially and now operates as a standalone company. A dedicated workforce of over 1,600 team members worldwide, MPS is renowned for its commitment to quality, responsiveness, and safety.

Our focus on vertical integration ensures the highest standards across our product lines. We operate nine production facilities across North America and continually invest in our manufacturing capabilities to better serve our customers.

At MPS, we strive to create a workplace that embodies respect, openness, collaboration, personal growth, and entrepreneurship. We are committed to achieving excellence in Environmental, Health & Safety through our Mission Zero initiative.

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Quality Control Inspector

The Quality Control Inspector is responsible for ensuring that products meet established quality standards through detailed inspections of in-process and finished goods. This role involves interpreting technical documentation, using precision measurement tools, identifying and documenting non-conformances, and updating ERP systems to manage suspect items. Inspectors perform first-piece and receiving inspections, monitor gauge calibration, and maintain accurate records to support traceability. They also uphold safety and compliance policies and assist with various quality-related tasks including sorting, testing, and cross-functional support.

• Perform detailed inspections of in-process and finished goods to ensure adherence to work instructions and established quality standards. Identify, document, and address non-conformances through rework or rejection protocols.
• Detect and communicate discrepancies or errors in documentation, drawings, or specifications that could impact product quality, ensuring timely feedback and escalation to appropriate personnel.
• Apply visual indicators and update the ERP system to identify and isolate suspect or non-conforming items, preventing unintended use or shipment until resolution.
• Operate and interpret results from gauging tools such as calipers, micrometers, height gauges, force gages and micro ohm meters to verify product dimensions and tolerances with accuracy and consistency
• Read and understand engineering drawings, blueprints, control plans, and inspection procedures to guide quality assessment.
• Perform first-piece inspections on production runs to validate that initial outputs meet all required specifications before full-scale manufacturing proceeds.
• Support receiving inspection when required.
• Identification of damaged or out of calibration gages.
• Record inspection data on check sheets or in digital systems, ensuring all forms, reports, and logs are completed with precision and attention to detail to maintain traceability and compliance.
• Comply with all safety, environmental, and quality assurance policies and procedures to support a safe and compliant work environment.
• Assist with other quality-related activities as assigned, including quality sorting, product testing, and cross-functional support tasks.

Prior experience in quality inspection within a manufacturing or production environment.

Associate degree preferred; equivalent technical training or relevant work experience may be considered.

Proficient in computer use, including Microsoft Office applications and navigating web-based document control systems.

• Proficient in reading and understanding work instructions, test methods, control plans, and other quality-related documentation.
• Demonstrates solid basic math skills for measurement, calculation, and data verification tasks.
• Skilled in using standard inspection tools such as tape measures, calipers, micrometers, and other basic gauges.
• Comfortable working with computers, including entering and managing data in spreadsheets,…