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MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure. Work collaboratively with other supervisors, planning & scheduling, and reliability teams to develop repair strategies and maintain reliability of refinery plant mechanical equipment in support of continuous operations.

YEAR

An exciting career awaits you At MPC, we’re committed to being a great place to work – one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment. Maintenance Supervisor - Pipefitting and Welding Job Summary The Marathon Los Angeles -Carson Refinery located in Carson, California has an opening for a Maintenance Supervisor. This position will supervise and lead maintenance work groups, typically of union-represented crafts overseeing Welding, Pipe Lay Out and Boilermaker work . The Supervisor will be responsible for safe and efficient execution of maintenance field work in an environmentally compliant manner and within company guidelines. The available schedule is Monday-Thursday - 6:00 AM - 4:30 PM and on-call coverage rotation for one full week including weekends is required approximately every 3 months and has to support work activities after hours when required. Key Responsibilities + Supervise and lead work group. Accountable for fair and uniform application of policies and procedures. Supervise a team of 12+ direct reports, both company and contractors. Contribute to a positive and respectful workplace environment + Supervise craft work group to ensure maintenance work is efficiently executed without incident in an environmentally compliant manner. Assist in setting schedules. Monitor and appraise progress to ensure productivity, work quality and schedule adherence. Ensure team understands work scope and performance expectations. + Promote proactive reliability-centered maintenance (RCM) focus. Assist with troubleshooting. Ensure work orders are satisfactorily completed and properly closed out. Communicate daily activities related to manpower, accomplishments, and problem areas to management. + Ensure assigned craft personnel are adequately trained for their job assignment. Identify training needs and participates in development of training programs for craft skill pool. + Maintain visible and active field presence to promote safe working environment and ensure adherence to safe work practices, Participate in audits and near-miss/incident investigations. Follow-up on safety issues until closure. + Coordinate with planning and scheduling to ensure appropriateness of job packages. Ensure materials used comply with current engineering standards. Identifies and resolves delays that would prevent schedule adherence. + Participate in maintenance cost control including challenging need for discretionary work. Participate as a member of Maintenance leadership team. Work collaboratively with other supervisors, planning & scheduling, and reliability teams to develop repair strategies and maintain reliability of refinery plant mechanical equipment in support of continuous operations. + Maintain current, accurate and complete records for assigned area. Education, Experience and Skills Minimum Qualifications + Must have a High school diploma or GED. (Education must be obtained/completed prior to start date) + Must have a minimum of 10 years of experience as a Pipe and Welding craft skills. Must have strong knowledge of craft skills such as Boilermaker, Pipe Lay Out and Welding in order to lead others. + Must have strong knowledge of Safety Standards to lead others safely and identify hazardous situations and develop mitigations + Must have good organizational skills to optimize productivity and performance, attention to detail, + Must have good interpersonal, communication, leadership and teaching/mentoring skills + Must be a team player to work collaboratively and be customer focused. + Must be a self-started with a proactive and optimistic approach to work + Must be resilient and adaptable while showing enthusiasm in a dynamic work environment. + Must be proficient in Microsoft: Word, Excel and Outlook. + Must be able to wear appropriate PPE in the refinery (respirator), be able to physically perform all tasks in the field and take hair drug test and physical. + Must have a valid driver’s license. (MPC determines valid status.) + Must be legally authorized to work in the US without the need for future VISA sponsorship. + Travel Requirement is 5%. + The available schedule is Monday-Thursday - 6:00 AM - 4:30 PM and on-call coverage rotation for one full week including weekends is required approximately every 3 months and has to support work activities after hours when required. Preferred Qualifications + Project Management Methodology is preferred. + Previous supervisor experience is preferred + Boilermaker and Welding Certifications is preferred + Maintenance experience in refinery and/or petrochemical facility is preferred. This position belongs to a family of jobs with increasing responsibility, competency and skill level. Actual position title and pay grade will be based on the selected candidate’s experience and qualifications. The job will be posted through Friday, July 18, 2025. Learn more about Marathon Petroleum’s benefits at https://mympcbenefits.com/ As an energy industry leader, our career opportunities fuel personal and professional growth. Location: Carson, California Job Requisition ID: 00017506 Pay Min/Max: $119,900.00 - $179,800.00 Salary Grade: 12 Location Address: 2350 E 223rd St Additional locations: Education: High School (Required) Employee Group: Full time Employee Subgroup: Regular Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race, color, religion, creed, sex, gender (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, reproductive health decision-making, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, veteran status, marital status, citizenship or any other status protected by applicable federal, state, or local laws. If you would like more information about your EEO rights as an applicant, click here (https://marathonpetroleum.brandextract.com/staged/marathonpetroleum.com/content/documents/Jobs_/Department_of_Labor_EEOC_.pdf) . If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at talentacquisition@marathonpetroleum.com . Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation. Marathon Petroleum offers a total rewards program which includes, but is not limited to, access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement. Detailed benefit information is available at mympcbenefits.com. The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program. Equal Opportunity Employer: Veteran / Disability We will consider all qualified Applicants for employment, including those with arrest or conviction records, in a manner consistent with the requirements of applicable state and local laws. In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role. About Marathon Petroleum Corporation Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

Marathon Petroleum Corporation

Maintenance Supervisor - Pipefitting and Welding

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Maintenance Supervisor - Pipefitting and WeldingMarathon Petroleum Corporation

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