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Location Name: Midland, TX 
Job/Requisition ID: [[id]] 
Location Address: 15 Smith Rd., Suite 1000, Midland, TX, United States (US), 79705
Education Level: High School Diploma/ GED Required 
Relevant Experience Level: Mid Career (4-10 Years) 
Employee Group: Regular - Full Time
Employee Subgroup: Salaried Exempt



This is a senior-level control systems specialist position primarily focused on supporting day-to-day operations as well as the support of capital projects for crude oil gathering and transmission assets in west Texas and New Mexico. The role will have a heavy emphasis on programming and maintaining PLCs, operator interface graphics, and flow computers.


Key Responsibilities

  • Develop and modify PLC and flow computer programs for various makes and models which may include Modicon Quantum, SCADAPack 32, Fisher ROC, and Allen-Bradley.
  • Develop and maintain field level operator interface graphics.
  • Develop and maintain control narratives, Cause & Effects diagrams, and typical engineering drawings for assigned stations and sites.
  • Review instrumentation and control systems equipment specifications and designs as part of capital and maintenance projects.
  • Work with the pipeline control center and the SCADA team to perform point-to-point checks.
  • Perform testing, commissioning, start-up, and control loop tuning of new control systems equipment.
  • Part of a rotating on-call support team for operations support during nights and weekends.
  • Periodically work extended hours, including nights and weekends, in remote operating environments and during periods of inclement weather.
  • Configure and maintain wireless communication systems utilizing FreeWave Zumlink and Cambium radios.
  • Develop recommendations and solutions to improve instrumentation and control system reliability, optimization, and cost savings.
  • Support operations and maintenance by providing technical guidance and troubleshooting of instrumentation and control systems equipment.



  • Minimum of 8 years of control systems experience in the oil & gas, petrochemical, or power generation industries is required.
  • Up to 50% travel to field locations.


Desirable Knowledge & Experience

  • Extensive experience with commissioning and start-up of typical process equipment found in industrial environments (e.g. pumps, valves, instrumentation, etc.).
  • Knowledgeable of crude oil truck offload control and ticketing systems.
  • Understanding of typical controls for VFDs up to 4.160 kV, Motor Operated Valves (MOVs), and flow and pressure control valves.
  • Experienced with IEC 61131-3 standard PLC languages.
  • Ability to develop and verify control functions of PLC logic written in function block and ladder logic in Schneider Electric Unity, Modbus Concept, Fisher ROC, and Rockwell ControlLogix platforms.
  • Working knowledge of Red Lion or similar network gateways.
  • Experienced troubleshooting instrumentation associated with control systems.
  • Knowledgeable of DOT requirements for crude oil gathering and transmission systems.
  • Understanding of typical industrial networks and protocols; specifically, Modbus TCP and RTU.
  • Must be detailed oriented, self-motivated, and possess excellent verbal and written communication skills.
  • Familiarity with Management of Change (MOC) and the Process Safety Management (PSM) processes.
  • Working knowledge of applicable codes, government regulations, and industry standards pertaining to instrumentation and control systems such as NFPA, NEC, ISA, and API.



This position can be located in Midland, TX or Carlsbad, NM.


About Marathon Petroleum Corporation


Marathon Petroleum Corporation is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation’s largest refining system with more than 3 million barrels per day of crude oil capacity across 16 refineries. Marathon Petroleum's marketing system includes branded locations across the United States, including Marathon branded outlets. Speedway LLC, a Marathon Petroleum subsidiary, owns and operates retail convenience stores across the United States. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company which owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

Travel Expected: Up to 50%


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, 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.

If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at 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.

Equal Opportunity Employer: Veteran / Disability

Marathon Petroleum Company LP participates in the E-Verify program in some states in which it operates (including AL, AZ, GA, MS, NC, SC, TN, and UT). For more information before proceeding, please see details in English or Spanish. Right to Work Statement English or Spanish.