Quality Engineer - SPC, Root Cause & Continuous Improvement

Arch Precision, LLC; Earth City (MO); On-site; USD 75,000 - 110,000; Full time

Job summary

Arch Precision, LLC is seeking a Quality Engineer to develop and maintain quality systems for a precision manufacturing environment in Earth City, MO. You will partner with production, engineering, suppliers, and customers to identify defects, drive continuous improvement, and enhance process capability.

The role requires 3+ years in manufacturing quality, knowledge of ISO 9001/AS9100/IATF 16949, and strong data analysis with SPC tools.

Qualifications

• Bachelor's degree in engineering, quality, manufacturing, industrial engineering, or related technical field preferred.
• Equivalent combination of education and experience may be considered.
• 3+ years of experience in a manufacturing quality environment preferred.
• Experience with quality management systems such as ISO 9001, AS9100, IATF 16949, or similar standards.
• Experience with customer complaint investigations and corrective actions.

Responsibilities

• Develop, implement, and maintain quality control plans, inspection procedures, and testing methods.
• Analyze manufacturing processes and product data to identify quality issues and opportunities for improvement.
• Lead root cause investigations using 8D, 5 Why, Fishbone, and PFMEA.
• Coordinate corrective and preventive actions (CAPA) to resolve quality concerns.
• Monitor and analyze key quality metrics including scrap rates, defect rates, FPY, Cp/Cpk, customer complaints, and internal nonconformances.
• Support production teams in troubleshooting process and product quality issues.
• Conduct internal audits and support external customer, regulatory, and certification audits.
• Review engineering drawings, specifications, and customer requirements to ensure compliance.
• Evaluate measurement systems through Gage R&R studies and calibration programs.
• Assist in development and implementation of SPC methodologies.
• Maintain quality documentation including procedures, work instructions, control plans, and inspection records.
• Collaborate with suppliers to address supplier quality issues and drive improvements.
• Participate in new product launches, process validations, and PPAP activities when applicable.
• Prepare quality reports and presentations for management review meetings.
• Promote continuous improvement initiatives utilizing Lean Manufacturing and Six Sigma principles.

Skills

GD&T interpretation

Statistical methods

Root cause analysis

QA data analysis

Excel proficiency

Education

Bachelor's Degree in Engineering/Quality/Manufacturing/Industrial Engineering

Tools

CMMs

Micrometers

Calipers

Height gages

Optical comparators

Job description

Arch Precision, LLC is seeking a Quality Engineer to develop and maintain quality systems for a precision manufacturing environment in Earth City, MO. You will partner with production, engineering, suppliers, and customers to identify defects, drive continuous improvement, and enhance process capability.

The role requires 3+ years in manufacturing quality, knowledge of ISO 9001/AS9100/IATF 16949, and strong data analysis with SPC tools.