Internal Auditor

Thai Summit America Corporation • Howell, Michigan • Full Time

Posted on Wed, Nov 11, 2026

IATF Internal Auditor Job Description

Primary Job Function:

Maintain document control through Plex. Establish and maintain an ISO Integrated Management Compliant System. Identify system improvements and implement change. In addition to the stated duties and responsibilities in this position description, flexibility in work assignment is required. Accomplish any and all work assignments as directed by management. Help perform internal audits when needed.

Key Areas of Responsibility:

  • Maintain Plex document control
  • Prepare audit reports for the implementation of corrective actions and follow-up activities to ensure the effectiveness of the corrective actions
  • Maintain the performance goals and objectives scorecard for IMS
  • Assist in a team environment in maintaining the, IATF/16949, ISO/9001, ISO/14001 and ISO/45001 standards
  • Create and maintain all documents for effective implementation of the Integrated Management System
  • Prepare documents for the monthly Management review
  • Update and analyze data for the IATF16949 Scorecard
  • Communication within department as well as external interested parties
  • Embraces and keeps the plant up to date with the new standards
  • Conducts and follows through internal audits
  • Maintains the quality systems/document control
  • Plans and schedules all internal audits
  • Management prep for third party audits
  • Coaches and mentors other staff members
  • Have knowledge of the quality system/process

Minimum Requirements:

  • Associate’s degree (AS) or equivalent of 5 years’ experience in Quality  
  • In-depth knowledge of IATF 16949, ISO 14001 and ISO 45001 requirements 
  • Exceptional computer skills
  • Proficient in Microsoft Excel
  • Excellent organizational skills
  • Ability to work independently, research and analyze data
  • Effective verbal and written communication skills
  • Ability to navigate the Plex System

Certified Internal Auditor


AuditFriendly salary estimate

The employer did not post a salary for this role. Based on AuditFriendly's salary intelligence model (comparable live postings, role, seniority, and location), we estimate base pay of $72,000–$107,000 per year (median ~$85,000). This is an AuditFriendly estimate, not an employer-provided figure.

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