Senior Refinery Mechanical Maintenance Planner

4526 Marathon Refining Logistics Services LLC; Carson (CA); On-site; USD 107,000 - 184,000; Full time

Job summary

Marathon Petroleum Corporation in Carson, California is seeking a Senior Routine Maintenance Planner - Mechanical for the Los Angeles Refinery. You will develop detailed mechanical maintenance work plans, convert SAP notifications into work orders, and coordinate across Operations, Maintenance, Engineering, and vendors.

The role requires field assessment, safety awareness, and leadership in planning outages and routine maintenance.

Qualifications

• High School Diploma or GED with 5+ years of mechanical maintenance/planning experience, or a related Bachelor's degree with 5+ years.
• Ability to read and interpret P&IDs, mechanical drawings, and technical documentation.
• Proficiency with Word, Excel, and Outlook; able to wear PPE and perform field activities.
• Must have a valid driver's license and be authorized to work in the U.S. without visa sponsorship.

Responsibilities

• Convert SAP notifications into maintenance work orders per process.
• Develop detailed mechanical maintenance plans with steps, hours, materials, and tools.
• Plan routine maintenance and outages for refinery equipment.
• Conduct field assessments to define work scopes and requirements.
• Prepare work packages with instructions, drawings, permits, and safety needs.
• Coordinate with Operations, Maintenance, Engineering, and specialists on repair plans.
• Verify instructions comply with refinery procedures and standards.
• Identify and requisition materials, tools, and contracted services.
• Ensure availability before scheduled execution; support during execution.
• Monitor planning status, material issues, and resource constraints; adjust as needed.
• Capture field feedback and lessons learned to improve future plans.
• Identify continuous improvement and cost-reduction opportunities.

Skills

P&IDs reading

MS Word/Excel/Outlook

PPE compliance

Driver's license

US work authorization

Education

High School Diploma or GED

Bachelor’s Degree (related field)

Tools

SAP maintenance

Primavera P6

Microsoft Project

Job description

Marathon Petroleum Corporation in Carson, California is seeking a Senior Routine Maintenance Planner - Mechanical for the Los Angeles Refinery. You will develop detailed mechanical maintenance work plans, convert SAP notifications into work orders, and coordinate across Operations, Maintenance, Engineering, and vendors.

The role requires field assessment, safety awareness, and leadership in planning outages and routine maintenance.