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Senior Systems Analyst

Job in Montgomery, Montgomery County, Alabama, 36136, USA
Listing for: Marathon Oil
Full Time position
Listed on 2026-07-18
Job specializations:
  • Engineering
    Automation & Mechatronics Engineer, Electrical Engineering, Systems Engineer
Salary/Wage Range or Industry Benchmark: 90000 - 130000 USD Yearly USD 90000.00 130000.00 YEAR
Job Description & How to Apply Below

Full job description 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.

Position Summary

The Systems Analyst provides DCS, SCADA, PLC, and HMI automation technical support for the G&P Southwest Region Oil & Gas Gathering, Natural Gas Processing and NGL Fractionation plants. The individual is responsible for programming and maintaining control logic, HMI, alarms, and all levels of control engineering applications. The role supports troubleshooting and improvement requests from Operations and interfaces with Engineering, Instrumentation, Measurement, Environmental, and Process Safety teams to improve control system reliability and build and optimize plant assets.

This position belongs to a family of jobs with increasing responsibility, competency, and skill level. The actual position title and pay grade will be based on the selected candidate’s experience and qualifications.

Key Responsibilities
  • Configures regulatory and complex control logic to meet operational and economic objectives
  • Creates/Revises Cause and Effect diagrams and configures control system interlock logic
  • Applies HMI best practices to control system graphics
  • Commissions projects, including new control system hardware and I/O
  • Participates in alarm management improvement efforts in data gathering and alarm rationalization
  • Manages data reporting through control system historian and PI interfaces, PI Vision displays
  • Builds communication interfaces to Vapor Recovery, Burner Management, Compressor Control, and Motor Control systems
  • Understands process hazard lifecycle and associated functional safety and SIS applications
  • Reads and assists in maintaining P&IDs, loop drawings, and electrical drawings
  • Creates, maintains controls documentation such as control narratives and Cause and Effects
  • Follows Management of Change guidelines in control change workflow
  • Performs troubleshooting and incident investigations
  • Supports a wide range of communications protocols including Modbus, OPC, Device Net, and Ether Net/IP
  • Works in close collaboration with the OT Department in supporting and maintaining network system availability, reliability, and security
  • Works Monday-Friday schedule with possible extended hours to support 24/7 operation, including on call rotation covering nights/weekends/holidays
Education and Experience

Education:

Bachelor’s degree preferred

Experience:

2-5 years industry experience in Process Automation and Control, SCADA, I&E, or process engineering

Skills
  • HMI Design and Development
  • Experience with DeltaV DCS
  • Programming PLC controllers – Allen Bradley & Schneider
  • ROC
    800 series programming
Location

San Antonio, Texas (Additional locations: Carthage, TX; McAlester, OK; Oklahoma City, OK)

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

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

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Position Requirements
10+ Years work experience
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