Routine Maintenance Planner - Mechanical

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Senior Routine Maintenance Planner – Mechanical

Job Summary The Marathon Los Angeles Refinery located in Carson, California is looking for a Senior Routine Maintenance Planner - Mechanical within the Major Maintenance organization.

The Senior Routine Maintenance Planner
- Mechanical is responsible for developing maintenance work packages for equipment outages, and planned maintenance events in accordance with established work processes. This position develops detailed work scopes, prepares cost and labor-hour estimates, establishes activity durations, and identifies and requisitions required materials, equipment, and contracted services.

The work schedule for this position is Monday through Thursday, 6:00 AM–4:30 PM. After-hours and extended-hour support may be required during maintenance events and equipment outages.

Key Responsibilities Convert approved SAP notifications into maintenance work orders following the established work process.

Develop detailed mechanical maintenance job plans with sequential work steps, estimated labor hours, craft requirements, activity durations, materials, equipment, specialty tools, and contracted services.

Plan routine maintenance, equipment outages, and other planned maintenance events for refinery mechanical equipment and supporting systems.

Perform field assessments to develop work scopes, identify job-site requirements, and validate planning assumptions.

Prepare work packages containing detailed instructions, safety requirements, drawings, piping and instrumentation diagrams (P&IDs), equipment documentation, material lists, isolation requirements, lifting requirements, and safe work permit requirements.

Coordinate with Operations, Maintenance, Engineering, Inspection, and equipment specialists to review work scopes and develop repair plans for complex maintenance activities.

Verify work instructions comply with established refinery and corporate procedures and standards.

Identify and requisition materials, equipment, specialty tools, rental equipment, and contracted services. Confirm availability before scheduled execution.

Provide field support during execution of planned maintenance events and equipment outages, including resolving work-package issues, coordinating emergent needs, communicating deviations, and supporting safe, efficient completion of the work.

Monitor and communicate planning status, material issues, resource constraints, and deviations that may affect maintenance execution.

Incorporate field feedback, job history, and lessons learned into future work plans to improve safety, quality, and efficiency.

Identify and implement continuous improvement and maintenance cost reduction opportunities.

Work as part of a cross-functional team consisting of refinery personnel and contractors to achieve maintenance and reliability objectives.

Read and interpret P&IDs, mechanical drawings, equipment drawings, vendor manuals, and other technical documentation.

Minimum Qualifications Must have a High School Diploma or GED and at least 5 years of mechanical maintenance or maintenance planning experience in a refinery, petrochemical or power generation industry OR a Bachelor’s Degree in a related field and at least 5 years of relevant industrial mechanical maintenance or maintenance planning experience in a refinery, petrochemical or power generation industry. (Education must be obtained/completed prior to start date.)Must

have maintenance experience with industrial mechanical equipment.

Must be able to read and interpret P&IDs, mechanical drawings,…