Quality Control Inspector

Express Saint Louis; St. Louis (MO); On-site; USD 30,000 - 39,000; Full time

Job summary

Express Saint Louis in St. Louis / Kirkwood, MO is seeking an experienced Quality Control Inspector to inspect precision-machined and fabricated components to ensure compliance with drawings and customer specifications.

The role emphasizes first-article, in-process, and final inspections using CMMs and precision measuring tools. The ideal candidate will have at least 2 years of hands-on CMM experience, strong GD&T interpretation, and meticulous record-keeping in an ISO 9001 environment.

Qualifications

• Minimum 2 years of hands-on CMM experience required.
• Experience inspecting CNC-machined and fabricated components.
• Ability to read and interpret GD&T on engineering drawings.
• Proficiency with micrometers, calipers, height gauges and other precision tools.

Responsibilities

• Perform first-article, in-process, and final inspections.
• Operate CMMs to verify dimensional accuracy and tolerances.
• Read and interpret engineering drawings, blueprints and GD&T specifications.
• Document inspection results and maintain quality records.

Skills

CMM experience

Blueprint interpretation

GD&T knowledge

Precision measurement

Inspection documentation

SPC familiarity

First article inspection

Machining environment

Tools

CMMs

Micrometers

Calipers

Height gauges

Optical comparators

Job description

Quality Control Inspector – ManufacturingLocation: St. Louis / Kirkwood, MOJob Type: Full-Time | HourlyPosition SummaryWe are seeking an experienced Quality Control Inspector to inspect precision-machined and fabricated components to ensure compliance with engineering drawings, customer specifications, and established quality standards.The ideal candidate will have a strong background in manufacturing inspection, precision measurement, blueprint interpretation, and a minimum of 2 years of hands-on Coordinate Measuring Machine (CMM) experience.Key ResponsibilitiesPerform first-article, in-process, and final inspections of manufactured components.Operate Coordinate Measuring Machines (CMMs) to verify dimensional accuracy and tolerances.Read and interpret engineering drawings, blueprints, and GD&T specifications.Inspect CNC-machined, fabricated, and assembled components.Use precision measuring instruments, including micrometers, calipers, height gauges, indicators, and optical comparators.Document inspection results and maintain accurate quality records.Identify and report nonconforming materials and dimensional discrepancies.Work closely with machinists, production personnel, and engineering to resolve quality issues.Follow ISO 9001 quality procedures and inspection requirements.Maintain inspection equipment and support calibration processes.Required QualificationsMinimum 2 years of hands-on CMM experience — REQUIRED.Experience operating CMM equipment to inspect manufactured components and verify dimensional accuracy.Previous quality inspection experience in a machining or manufacturing environment.Strong ability to read and interpret blueprints and GD&T.Proficiency with micrometers, calipers, height gauges, and other precision measurement tools.Ability to document inspection findings and identify out-of-tolerance conditions.Strong attention to detail and problem-solving skills.Preferred QualificationsExperience inspecting CNC-milled and turned components.CMM programming or program modification experience.Familiarity with ISO 9001 quality standards.Experience with first-article inspections and inspection documentation.Experience in a precision machining or job shop environment.Important RequirementCandidates must have at least 2 years of actual hands-on CMM experience. Experience using only handheld measuring tools, without CMM experience, will not meet the minimum qualifications.You should be proficient in:GD&TStatistical process control (SPC)ISO 9001 Certification ExperienceFirst Article Inspection (FAI)Blueprint ReadingBlueprint Reading & Engineering DrawingsCNC Machining & Manufacturing ProcessesCoordinate Measuring MachinesIn-Process & Final Quality InspectionMetrology & CalibrationNonconformance Identification & DocumentationPrecision Measurement & Dimensional InspectionQuality Assurance & Quality ControlQuality InspectionPrecision MeasurementMachines & technologies you'll use:Optical ComparatorThread Gauges (GO/NO-GO)Coordinate Measuring Machine (CMM)- Inspection Reporting & Quality Documentation SoftwareBore GaugesCaliperCMM SoftwareCNC Mills & LathesCoordinate Measuring MachinesDepth MicrometersDial IndicatorsDigital & Dial CalipersGauge Blocks & Surface PlatesHeight GaugeHeight GaugesIndicatorInside & Outside MicrometersManual & CNC CMM EquipmentMicrometerOptical ComparatorsSurface Roughness Testers