Pipefitter/Welder/Exchanger Mechanic

Website Marathon Petroleum Corporation

Job Highlights

Title Pipefitter/Welder/Exchanger Mechanic
Type Full Time
Experience 2 Years
Function Management/Manufacturing
Location Martinez, CA
Company Marathon Petroleum Corporation

Company Profile

Marathon Petroleum Corporation is a leading, integrated, downstream energy company. It operates the nation’s largest refining system. MPC’s marketing system includes branded locations and Marathon brand retail outlets.

Job Profile

The company is hiring a Pipefitter/Welder/Exchanger Mechanic to join its team.

The position will report to the Maintenance Foreman.

Educational Level

  • Must have a High School Diploma or GED

Work Experience

  • Must have completion of a recognized Pipefitter or Boilermaker apprenticeship program or 2 years of verifiable journeyman-level pipefitter/boilermaker work experience.


  • Able to field-measure and draw isometric sketches for piping layout and fabrication.
  • Able to read and understand schematics and Piping and Instrumentation Diagrams (P&IDs).
  • Able to work as a team and collaborate to accomplish work efficiently and to high-quality standards.
  • Effective verbal and written communication and reporting on work being performed.
  • Ensure all work is performed in a safe and environmentally compliant manner, adhering to site Health and Safety processes and Environmental regulations.
  • Ensure that equipment is safely prepared for Maintenance and all documents are in order before starting work.
  • Expected to train on Exchanger craft, including knowledge of exchanger types, exchanger-specific tooling and procedures, and rigging and pulling exchanger bundles.
  • Expected to train in Welding craft, including knowledge of filler metals and electrodes, welding preparation, types of welding, and NDE testing methods.
  • Perform work per applicable technical standards and specifications (Marathon, Industry, or Manufacturer).
  • Responsible for safely operating various types of mobile equipment, including forklifts, fixed cab cranes, and aerial lifts.
  • Use of various tools and equipment to assemble/disassemble flanges, blind/de-blind equipment, demo/install piping, pull/replace valves, clean/repair heater burners, pull and clean filters/screens, torque/tension joints, make-up/fabricate tubing and threaded piping, and perform hydrostatic testing.

Preferred Qualifications

  • Work experience in a refining, petrochemical, or other related industry (preferred)
  • Direct experience with Pipefitter/Boil maker role
  • Experience with Microsoft Office (Outlook, Word, Excel) and SAP (preferred)
  • Heat exchanger knowledge/experience (preferred, but not required)
  • Welding knowledge/experience (preferred, but not required)


  • Must be able to support irregular or extended work hours and call-out situations when needed.
  • Must be able to wear appropriate PPE in the facility and be able to physically perform all tasks in the field.
  • Must be knowledgeable on the use of tools/equipment of the trade and general rigging methods.
  • Must be legally authorized to work in the US without the need for future VISA sponsorship.
  • Must obtain and maintain a Transportation Worker Identification Credential (TWIC).
  • Must possess and maintain a valid Driver’s License with an acceptable driving record.


  • 401k plan with Company match
  • Annual Bonus Plan
  • Cash balance pension plan
  • Education Reimbursement
  • Health/Dental/Vision benefits
  • Overtime Opportunities Available
  • Paid parental leave
  • Paid vacation, sick, and holidays

Employer’s Statement

Marathon Petroleum Company is an Equal Opportunity Employer. The company considers all qualified applicants without discrimination based on race, color, religion, creed, sex, gender (including pregnancy, childbirth, breastfeeding, or related medical conditions), sexual orientation, gender identity, gender expression, 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.

To apply for this job please visit mpc.wd1.myworkdayjobs.com.

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