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Location Name: MWLS Washington PA
Location Address: 800 Western Avenue, Washington, PA, United States (US), 15301
Education Level: High School Diploma/ GED Required
Relevant Experience Level: Entry Level (1-3 Years)
Driver's License Required: Yes
Employee Group: Regular - Full Time
Employee Subgroup: Hourly Non-Exempt
Shift: 12-hour Shift

Position Summary:

MPC is currrently seeking a lab technician for the Houston Processing and Fractionation Facility in Washington, PA. 


Key Responsibilities:

  • Sets up and operates laboratory instruments to perform standardized testing in according to industry/ standard operating procedures (SOPs).
  • Receives, logs and prepares samples for testing. As needed, prepares field sampling schedule.
  • Conducts analysis per protocol specifications. Documents test results.
  • Prepares and issues certificate of analysis (CoA) in accordance with established standards.
  • Cleans and sterilizes laboratory equipment. Performs routine preventive maintenance on gas chromatography components.
  • Schedules equipment testing and validation to assess accuracy and reliability.
  • Maintains inventory of chromatographic gases.
  • Complies with laboratory’s chemical hygiene plan (CHP).


Knowledge, Skills, Abilities:

  • Calibration - Develops ability to perform calibration on instruments with accuracy and precision in accordance with established procedures. Aware of environmental factors such as temperature, vibration, noise affecting calibration.
  • Chromatography Fundamentals -Develops working knowledge of underlying principles of the chromatographic process, mechanisms that result in chromatographic separation, analytical techniques used to determine composition of natural gas and calculate its energy content.
  • Equipment Maintenance - Develops knowledge of and ability to perform asset-specific preventative and predictive maintenance to assure equipment operation at acceptable performance levels
  • Laboratory Industry Standards - Develops knowledge of and practical experience with industry standards for hydrocarbon sampling and testing from American Society for Testing and Materials (ASTM), American Gas Association (AGA), GPA Midstream Association and related organizations.
  • Natural Gas Composition - Develops knowledge of natural gas components, their chemical composition and effects of temperature and pressure.
  • Safety - Applies in difficult or complex situations,  ability to recognize safety risks in operational activities and use appropriate measures to control and manage identified risks.
  • Safety Awareness - Ability to recognize and identify potential hazards. Evaluates changes in work environment with respect to impact on safety of self and others. Understands potential threats created by deviation from safety procedures and improper use of tools and equipment. Uses personal protection equipment. Uses tools and equipment in compliance with manuals and training. Calls attention to potential and actual hazardous conditions as they arise. Demonstrates knowledge of lockout/tag out procedures. Stops work if there are unsafe working conditions.
  • Sampling - Develops ability to collect representative sample in accordance with sampling protocols can be determined for economic and treatment purposes. Understands conditions affecting sample quality.



  • High school diploma or GED required.
  • Bachelor's Degree in Chemistry or a science equivalent field with a minimum of 20 credit hours of chemistry is preferred.
  • One year or more of analytical labortaory experience experience preferred.
  • Must hold a valid Driver License with excellent driving record.
  • Must be able to complete Health Questionnaire and pass drug test and background check.
  •  Must be able to work a rotating 12-hour schedule, which includes nights, weekends, holidays and vacation coverage for peers.

About Marathon Petroleum Corporation

MPC is the nation's largest refiner, with a crude oil refining capacity of approximately 1.7 million barrels per calendar day in its seven-refinery system. Marathon brand gasoline is sold through approximately 5,400 independently owned retail outlets across 19 states. In addition, Speedway LLC, an MPC subsidiary, owns and operates the nation's second-largest convenience store chain, with approximately 2,740 convenience stores in 22 states. MPC also owns, leases or has ownership interests in approximately 8,300 miles of pipeline. Through subsidiaries, MPC owns the general partner of MPLX LP, a midstream master limited partnership. MPC's fully integrated system provides operational flexibility to move crude oil, feedstocks and petroleum-related products efficiently through the company's distribution network in the Midwest, Southeast and Gulf Coast regions. For additional information about the company, please visit our website at


Job Function: Corp Functions; Ref, Terminals, Pipeline
Travel Expected: Up to 10%


If you have visited our site in search of information on U.S. employment opportunities and require an accommodation to submit your application, please contact the MPC EEO/Compliance Office at 866-492-7802. Note that we only accept resumes and applications for posted positions.

Nearest Major Market: Pittsburgh

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