Refining Area Inspector

Marathon Petroleum Corporation

Refinery Area Inspector protecting pressure-vessel and piping integrity at Marathon Petroleum’s California refinery. Conducting inspections, risk assessments, and turnaround support.

Posted 8/20/2026full-timeCarson • California • 🇺🇸 United StatesMid-LevelSenior💰 $106,900 - $184,300 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in fixed equipment integrity management, including conducting inspections, risk assessments, and compliance with regulatory standards. Proficient in collaborating with cross-functional teams to enhance equipment reliability and mitigate mechanical integrity risks.

Highest-signal resume keywords

API 510 CertificationAPI 570 CertificationRisk-Based Inspection (RBI) MethodologiesArea Inspection Experience in Refinery or Petrochemical FacilityTurnaround Planning and Execution Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Fixed Equipment Integrity ManagementMechanical Integrity Risk AssessmentField InspectionsRoot Cause AnalysisHAZOPsLife Cycle Cost AnalysisDocumentation of Equipment ConditionsManagement of Change (MOC)Risk-Based Work SelectionPhysical Task Performance

Soft Skills

CollaborationCommunicationProblem-SolvingAttention to DetailAdaptability

Tools & Technologies

Microsoft WordMicrosoft ExcelMicrosoft OutlookINTELEXMeridiumAPMPCMS

Certifications & Qualifications

API 510 CertificationAPI 570 CertificationNBIC CertificationState of California Certificate of Competency

Industry Keywords

Fixed EquipmentPressure VesselsPiping CircuitsCAL/OSHA RegulationsRAGAGEPOwner/Operator InspectorTurnaroundsASNT Level II MethodsUTTRTFI

About the role

Key responsibilities & impact

Serve as the primary point of contact for fixed equipment integrity issues, including pressure vessels and piping circuits
Ensure fixed equipment complies with state regulations, refining standards, and company specifications
Identify, communicate, and collaborate with operations and maintenance teams to mitigate mechanical integrity risks
Conduct hands-on field inspections to evaluate area equipment condition
Plan, perform, and direct inspections and recommend mitigation measures for equipment requiring repair or replacement
Conduct jurisdictional inspections on CAL/OSHA-regulated equipment, such as boilers
Maintain accurate equipment files and collaborate with the RBI Analyst to keep risk assessments current
Develop scope and supporting documentation for mechanical integrity work, including routine maintenance, major repairs, and turnarounds
Complete assigned Management of Change (MOC) and INTELEX tasks
Document “as-found” and “as-left” conditions to support risk-based work planning
Partner with engineering and area teams on equipment reliability projects
Assist with life cycle cost analysis, root cause analysis, HAZOPs, equipment history reviews, and risk-based work selection
Participate in required training programs
Serve as Program Manager for specialty mechanical-integrity projects and programs

Requirements

What you’ll need

High School Diploma or GED, completed prior to start date
At least 5 years of Area Inspection experience in a refinery or petrochemical facility
Current API 510 certification
Current API 570 certification
Ability to obtain NBIC Certification and State of California Certificate of Competency
Familiarity with Risk-Based Inspection (RBI) methodologies in accordance with API 580 and 581
Proficiency in Microsoft Word, Excel, and Outlook
Ability to wear required PPE, including respirator
Ability to perform physical tasks in the field
Successfully pass a hair drug test and physical examination
Valid driver’s license
Legally authorized to work in the U.S. without future visa sponsorship
Willingness to travel up to 5%
Ability to work Monday–Thursday onsite, 10-hour shifts, with core hours of 6:00 AM–4:30 PM
Availability for extended work hours, on-call support 5 full weeks per year, turnarounds, and planned and unplanned outages
Preferred: At least 5 years as an owner/operator inspector focusing on fixed equipment
Preferred: NBIC Certification and State of California Certificate of Competency with relevant experience
Preferred: API 510 and API 570 certifications with at least 10 years of inspection experience
Preferred: API 653, API 571, API 580, API 581, and NBIC standards knowledge
Preferred: ASNT Level II methods, including UTT, RTFI, MT, and PT
Preferred: Turnaround planning and execution experience
Preferred: Meridium, APM, or PCMS experience
Preferred: Fixed equipment maintenance according to RAGAGEP

Benefits

Comp & perks

Relocation available
Health insurance
Vision insurance
Dental insurance
Paid time off
401(k) matching program
Paid parental leave
Educational reimbursement
Discretionary company-sponsored annual bonus program