Field QA/QC Inspector: Welding & NDE Focus

Marathon Petroleum Corporation; Saint Paul Park (MN); On-site; USD 107,000 - 160,000; Full time

Benefits offered by this job

Paid time off

401k match

Parental leave

Educational reimbursement

Job summary

Marathon Petroleum Company LP is seeking a Quality Assurance Inspector to support refinery QA/QC, MPLX logistics, and asset management at the St. Paul Park site. The role coordinates field activities, ensures regulatory and company compliance, and oversees welding and NDE quality across maintenance and project work.

Qualifications include API-510/570, a current or attainable CWI, and 2+ years in refining or petrochem. This position requires field presence, on-call support, and weekend coverage.

Qualifications

• API-510 and API-570 certifications required.
• AWS CWI certification or ability to obtain within 12 months.
• Minimum 2 years in refining, petrochemical, or related industry.

Responsibilities

• Implement Mechanical Integrity quality requirements and drive corrective actions.
• Act as site QA/QC coordinator for fixed equipment, tanks, and coatings.
• Oversee welding quality, review procedures, materials, NDE, and acceptance.
• Manage piping weld NDE requirements and related field activities.
• Maintain inspection records and quality documentation in MPC systems.
• Support audits, continuous improvement, and regulatory compliance.
• Coordinate damage prevention, including utility locating and line exposure.
• Represent MPC in pipeline ROW activities and contractor coordination.

Skills

QA/QC principles

Documentation

Field verification

Contractor oversight

Written communication

Verbal communication

Education

High school diploma

API-510

API-570

AWS CWI certification

Tools

IDMS

iCON

iTAR

Job description

Marathon Petroleum Company LP is seeking a Quality Assurance Inspector to support refinery QA/QC, MPLX logistics, and asset management at the St. Paul Park site. The role coordinates field activities, ensures regulatory and company compliance, and oversees welding and NDE quality across maintenance and project work.

Qualifications include API-510/570, a current or attainable CWI, and 2+ years in refining or petrochem. This position requires field presence, on-call support, and weekend coverage.