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Company Name: MarkWest Energy Partners, L.P.  
Location Name: MWLS West Union WV
Location Address: 218 Swisher Lane, West Union, WV, United States (US), 26456
Education Level: High School Diploma/ GED Required
Relevant Experience Level: Mid Career (4-10 Years)
Employee Group: Regular - Full Time
Employee Subgroup: Hourly Non-Exempt


Position Summary


  • Under the direction of the Chromatography Supervisor, Chromatography Technicians are expected to maintain and repair all process and Accounting Gas Chromatographs  
  • Safely maintain, calibrate, and repair all process analyzer systems.
  • Document and maintain calibration and maintenance records.
  • Perform root cause analysis on analyzer failures and problems.
  • Provide coverage for: weekends and call-outs, 24-hour start-up, holiday and inclement weather.
  • Implement additions or deletions to the warehouse stock of spare parts.
  • Maintain and support all equipment associated with process analyzer systems.





  • Minimum 5 years of applicable experience.
  • Strong organizational skills, ability to work well under time pressures.
  • Ability to coordinate, prioritize and execute many tasks at once.
  • Proven mechanical and trouble shooting skills.
  • Working knowledge of the proper use of electrical test equipment, hand tools and power tools.
  • Good verbal and written communications skills.
  • Ability to work independently as well as part of a team.
  • Must be willing to work overtime when required.
  • Must possess the ability to work in a safe manner.
  • 5 years experience in petrochemical or refinery analyzer maintenance.

Desired Knowledge/Skills/Abilities:

  • Experience with Daniels,Siemens, and ABB gas chromatographs.
  • Experience in process operation or process control.
  • Knowledge of proper handling and disposal of environmentally hazardous substances. 
  • Experience with root cause failure analysis.


Division: MPLX-President's Staff (50746081)
Job Function: MarkWest
Travel Expected: Up to 50%
Driver's License Required: Yes


Marathon Petroleum Company LP (“MPC”) is an equal employment opportunity employer.  All applicants will be considered without regard to their race, color, religion, sex, age, disability, national origin, sexual orientation, genetic information, gender identity, veteran status or other legally protected status.

Nearest Major Market: Morgantown

Job Segment: Technician, Electrical, Technology, Engineering

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