About the Role

The QC Document Control is responsible for preparing, compiling, controlling, and maintaining quality and product documentation to support the manufacturing and delivery of industrial valves, including Pressure Relief Valves and Control Valves.

This position ensures that quality records, inspection and test documents, material certificates, drawings, procedures, and customer-required documentation are complete, accurate, traceable, and properly controlled.

The role works closely with Quality, Production, Engineering, Sales, Warehouse, and other departments to ensure that all required quality documentation is available and completed in accordance with company procedures, customer requirements, and applicable quality standards such as ISO 9001, ASME, and PED.

Key Responsibilities

• Quality Document Control

• Control and maintain Quality Management System (QMS) documents, including procedures, work instructions, forms, specifications, inspection documents, and quality records.

• Ensure documents are properly reviewed, approved, issued, revised, distributed, and archived in accordance with company document control procedures.

• Maintain document revision status and ensure that only current and approved versions are available at points of use.

• Control obsolete documents and prevent unintended use of superseded versions.

• Maintain document control registers, master lists, revision records, and distribution records.

• Maintain proper electronic and hard-copy filing systems to ensure documents can be easily retrieved.

• Ensure quality documents and records are retained in accordance with company, customer, and applicable regulatory requirements.

• Product & Manufacturing Quality Documentation

• Prepare, collect, compile, and maintain quality documentation for manufactured and assembled industrial valves.

• Collect and organize inspection and test records from incoming inspection, in-process inspection, final inspection, and product testing.

• Maintain records related to product identification and material traceability.

• Collect and verify Material Test Certificates (MTC/MTR), Certificates of Conformance (CoC), inspection reports, test reports, and other supplier quality documents.

• Maintain documentation related to First Article Inspection (FAI), prototype parts, and internally manufactured components when applicable.

• Ensure required quality records are properly linked to the applicable part number, serial number, work order, purchase order, or customer order.

• Coordinate with QC Engineer and Production to obtain missing or incomplete quality records.

• Customer Documentation & Data Book Preparation

• Review customer orders and documentation requirements to identify required quality documents and certificates.

• Prepare and compile Manufacturing Record Books (MRB), Quality Dossiers, Data Books, or other customer-required documentation packages.

• Compile applicable documents such as:

• Material Test Certificates (MTC/MTR)

• Certificates of Conformance (CoC)

• Inspection reports

• Dimensional inspection records

• Pressure / functional test reports

• Approved drawings

• Applicable procedures

• Calibration certificates

• Product certificates and other required quality records

• Check documentation for completeness, accuracy, revision status, and traceability before submission.

• Submit quality documentation to Sales or customers according to agreed requirements and schedules.

• Coordinate comments, revisions, and resubmissions of customer documentation when required.

• Maintain records of document submission, approval, comments, and final acceptance.

• Ensure final documentation packages are completed before product shipment when required by the customer.

• Inspection & Test Documentation

• Prepare and maintain inspection forms, check sheets, inspection reports, and test records for QC activities.

• Support QC Engineer in preparing Inspection and Test Plans (ITP) and related inspection documentation.

• Maintain records of inspection status and required inspection points.

• Coordinate documentation for customer, third-party, or authorized inspector witnessing and inspection activities when required.

• Ensure inspection and test records are properly completed, signed, dated, and traceable to the applicable product.

• Follow up with responsible personnel on incomplete or missing inspection and test records.

• Nonconformance & Corrective Action Documentation

• Maintain Non-Conformance Reports (NCRs) and related quality records.

• Track NCR status and follow up with responsible departments for required actions and closure.

• Maintain records related to corrective actions, root cause analysis, supplier corrective actions, and customer quality issues.

• Support the QC Engineer in compiling supporting documentation for quality investigations.

• Maintain records of corrective action effectiveness verification and closure.

• Measuring & Test Equipment Documentation

• Maintain the master list and calibration records for measuring and test equipment.

• Monitor calibration due dates and notify responsible personnel before calibration expiration.

• File and maintain calibration certificates and related records.

• Coordinate with QC Engineer and external calibration service providers regarding calibration documentation.

• Ensure calibration records are current and readily available for audits and inspections.

• Quality Management System Support

• Support the maintenance of the company's Quality Management System in accordance with ISO 9001 and other applicable requirements.

• Support documentation requirements related to ASME, PED, customer specifications, and other applicable standards.

• Assist in preparation for internal audits, external certification audits, customer audits, and regulatory inspections.

• Prepare and organize documents and records required during audits.

• Maintain audit reports, findings, corrective actions, and closure records.

• Support the review and update of quality procedures, work instructions, forms, and other controlled documents.

• Assist in maintaining training and qualification records related to quality requirements when assigned.

• Supplier Quality Documentation

• Coordinate with Purchasing and suppliers to obtain required quality documents and certificates.

• Review supplier documentation for basic completeness against purchase order and quality documentation requirements.

• Follow up with suppliers regarding missing, incorrect, or incomplete certificates and quality records.

• Maintain supplier quality documentation in an organized and traceable manner.

• Support QC Engineer in maintaining supplier quality records and supplier corrective action documentation.

• Cross-Functional Coordination

• Work closely with QC Engineer to ensure quality records and customer documentation are complete and submitted on time.

• Coordinate with Production to obtain manufacturing, assembly, and testing records.

• Coordinate with Engineering regarding drawings, specifications, revisions, and technical documentation.

• Coordinate with Planner/Buyer and suppliers regarding material certificates and supplier quality documentation.

• Coordinate with Warehouse regarding material traceability and receiving documentation.

• Coordinate with Sales regarding customer documentation requirements and document submission schedules.

• Escalate missing, incorrect, or delayed documentation that may impact inspection, production, or product shipment.

• General

Responsibilities

Maintain confidentiality and integrity of company, customer, and product documentation.

• Ensure all quality documentation is accurate, organized, and readily retrievable.

• Support continuous improvement of document control and quality documentation processes.

• Assist the QC Engineer and Quality function with other administrative and documentation activities as required.

• Perform other quality-related duties as assigned.

Qualifications & Requirements

• Diploma (ปวส.) or Bachelor's degree in Engineering, Industrial Technology, Quality Management, Business Administration, or a related field.

• Minimum 2–3 years of experience in Quality Document Control, QA/QC documentation, Engineering Document Control, or a related function, preferably in a manufacturing environment.

• Experience in industrial valves, pressure equipment, mechanical products, oil & gas, petrochemical, or similar industries is highly preferred.

• Familiar with quality documentation such as MTC/MTR, CoC, inspection reports, test reports, calibration certificates, drawings, and manufacturing records.

• Knowledge of ISO 9001 and document control requirements is preferred.

• Knowledge or experience with ASME, PED, ITP, MRB/Data Book, or customer quality documentation is an advantage.

• Experience using ERP systems for quality, inventory, production, purchasing, or document-related transactions is required.

• Able to retrieve, verify, and maintain information in the ERP system, including Part Numbers, Purchase Orders, Work Orders, Bills of Materials (BOM), Serial Numbers, and other product-related data.

• Good computer skills, particularly Microsoft Excel, Word, Outlook, PDF applications, and electronic document management.

• Basic knowledge of Mechanical Engineering or mechanical manufacturing processes is highly preferred.

• Basic understanding of machining, mechanical components, materials, dimensions, tolerances, and manufacturing processes is an advantage.

• Ability to read and understand basic mechanical drawings, engineering specifications, Bills of Materials (BOM), part numbers, and revision information is highly preferred.

• Experience with industrial valves, valve components, or pressure equipment is an advantage.

• Strong document organization, filing, and record-keeping skills.

• Detail-oriented with a high level of accuracy and strong attention to document and product traceability.

• Strong follow-up skills and ability to coordinate effectively with Quality, Engineering, Production, Purchasing, Warehouse, Sales, suppliers, and other relevant parties.

• Able to manage multiple documentation requirements, priorities, and deadlines simultaneously.

• Able to work independently with minimal supervision.

English Language Requirement

• Good command of written and reading English is required, as all company quality documents, procedures, drawings, specifications, certificates, ERP information, and customer documentation are in English.

• Able to read and understand technical and quality-related documents in English.

• Able to prepare emails, reports, document transmittals, and basic quality documentation in English.

• Able to communicate in English with overseas colleagues, suppliers, and customers when required.

Key Competencies

Quality documentation and document control

• ERP system proficiency

• Basic mechanical and technical knowledge

• Mechanical drawing and specification understanding

• Document and material traceability

• Attention to detail and accuracy

• English reading and writing

• Technical document understanding

• Organization and record management

• Strong follow-up

• Time and priority management

• Cross-functional coordination

• Quality and compliance mindset

• Confidentiality and integrity

• Ability to work independently