Environmental Technician – Eagle Ford Job

Marathon Oil



Environmental Technician performs environmental compliance work under the direction of the Marathon Field Services Manager and the Asset Lead Environmental Technician. Environmental Technicians primary responsibilities include execution of the Leak Detection and Repair (LDAR) program; which involves gas leak detection utilizing an Optical Gas Imaging (OGI) Infrared (IR) camera, repair work, and recordkeeping. Other primary responsibilities may include conducting Audio-Visual and Olfactory (AVO) surveys and Method 22 (M22) visual determinations of fugitive emissions.



  • Conducting OGI IR camera surveys (monthly, quarterly, etc.) for compliance with New Source Performance Standards (NSPS); recording OGI IR camera survey data in Click software as required by Marathon processes, and maintaining OGI IR equipment (OGI IR camera and accessories will be supplied by Marathon)
  • Performing minor repairs (e.g. thief hatch gasket replacements and cleanings) to address leaks discovered during OGI IR camera surveys
  • Conducting Tank Pressure Response OGI IR surveys as necessary within 24 hours of notification
  • Conducting annual SPCC inspections as needed including, measuring of berms and checks for location integrity. Working with operations personnel to implement necessary corrective actions.
  • Ability to complete basic operator training and conducting basic repairs on production equipment
  • Responding to various Advanced Methane Detection Technology detections such as fixed wing flyover utilizing gas mapping LiDAR and continuous monitoring camera technologies
  • Conducting other duties as directed by the Marathon Field Services Manager and/or Lead Environmental Technician



  • High school diploma or GED required (Associate or Bachelor degree preferred)
  • Prior upstream oil & gas experience (field operator or mechanic preferred)
  • Certified Optical Gas Imaging Thermographer required (can be obtained after date of hire)
  • Respiratory Protection Program required
  • Understanding of Health, Environment and Safety as it relates to the oil & gas industry
  • Valid driver’s license required
  • Schedule – 5/2 (Monday – Friday)


Marathon Oil Corporation (NYSE: MRO) is an independent oil and natural gas exploration and production company based in Houston, Texas. With a material position in four of the best oil-rich U.S. resource plays in different stages of development, we offer a variety of career opportunities, whether you’re a recent college graduate or an experienced professional. You’ll have the tools to develop and refine the skills and knowledge you need to succeed.

Marathon Oil Company will take the necessary action to ensure that applicants are treated without regard to their race, color, religion, sex, age, disability, national origin, sexual orientation, genetic information, veteran status or other protected status under applicable employment law.

If you are a current Marathon employee please use the ERP website to submit referrals.

Posting Notes: ||  Kenedy  ||  TX   ||  United States (US)  ||  SF:LI; Not Applicable; SF:DI; SF:GH; SF:MN; SF:RZ ||  Health, Environment, Safety and Security  || Health, Environment, Safety and Security  || || 31982  ||





Nearest Major Market: San Antonio

Job Segment:
Gas, Gas Technician, ERP, Compliance, Energy, Records, Technology, Legal

To apply for this job please visit careers.marathonoil.com.