Process Operator

Exxon Mobil


About us


At ExxonMobil, our vision is to lead in energy innovations that advance modern living and a net-zero future. As one of the world’s largest publicly traded energy and chemical companies, we are powered by a unique and diverse workforce fueled by the pride in what we do and what we stand for.


The success of our Upstream, Product Solutions and Low Carbon Solutions businesses is the result of the talent, curiosity and drive of our people. They bring solutions every day to optimize our strategy in energy, chemicals, lubricants and lower-emissions technologies. 


We invite you to bring your ideas to ExxonMobil to help create sustainable solutions that improve quality of life and meet society’s evolving needs. Learn more about our What and our Why and how we can work together.

Pre-Employment Testing Requirement

This Operations and Mechanical (O&M) position requires pre-employment testing. Please read the job description in its entirety for additional information on accessing the assessment. The assessment should be completed by Sunday, January 29, 2023.


What role you will play in our team

• ExxonMobil Refinery is seeking personnel for Process Operator positions at our Billings Montana facility.
• A Process Operator is responsible for the safe, efficient performance of work needed to operate and maintain the processing units and related facilities.
• Process operators are involved in starting up and shutting down units or portions of units, such as pumps, compressors, and processing systems.
• Operators also conduct quality control tests and continuously monitor and control operating variables such as temperature, pressure, and flow rate.

What you will do

  • Review logs or computer data and computer generated schematics to ensure current process is running correctly.
  • Adjusts equipment to meet operating specifications
  • Communicates with Control Center supervisor to remain informed of process conditions.
  • Monitor process control units and responds to alarms.
  • Checks gauges and other instruments to collect temperature, pressure, level, and/or flow data.
  • Prepares equipment for maintenance and performs gas tests and permitting to ensure safe condition of equipment that is being maintained.

About you Skills and Qualifications

  • Must be 18 years of age.
  • Able and willing to work shift work including nights, weekends, holidays and overtime.
  • Able and willing to work in inclement weather and work at heights.
  • Submit to and satisfactorily complete pre-employment background, medical, and drug screening.

Preferred Qualifications/ Experience

  • Demonstrated relevant work experience preferred.
  • Demonstrated ability to work as a contributing team member.
  • Ability to work independent of direct supervision.
  • Desire and ability to be a leader in personal safety.

Your benefits

  • An ExxonMobil career is one designed to last. Our commitment to you runs deep: our employees grow personally and professionally, with benefits built on our core categories of health, security, finance, and life. 
  • We offer you: excellent pay, and benefits including medical, dental, pension, and 401(k) plans. 
  • Please note benefits may be changed from time to time without notice, subject to applicable law. 

Stay connected with us

  • Learn more at our website
  • Follow us on LinkedIN and IG (ExxonMobil (@exxonmobil) • Instagram photos and videos)
  • Like us on Facebook 
  • Subscribe our channel at YouTube

Behavioral Skills

It includes 6 core skills and 1 combined skillset to be assessed for all open positions: 
• Adapts 
• Analytical 
• Applies Learning 
• Collaborates 
• Communicates Effectively 
• Innovates 
• Initiative, Drive, Perseverance 



This Operations and Mechanical (O&M) position requires pre-employment testing. After applying you will receive a pop up giving you access to the assessment. You may take the assessment at that time or utilize the instructions below to access the assessment at a time convenient for you.  Note that the assessment must be completed by the deadline in order for you to be considered for the O&M position for which you have applied. 

The O&M test has been revised.  Effective December 1, 2021 ALL candidates must complete the revised assessment.  Even if you have tested within the last 365 days (passed or failed), if you tested before December 1, 2021, you must complete the revised assessment to be considered for this O&M opportunity.  Failure to complete the assessment by the deadline will result in your disqualification from consideration for this position.  The assessment is the same for all O&M requisitions.  If you have completed the assessment after December 1, 2021, your assessment results will be mapped to this requisition when you try to access the test. Test passed candidates will be screened by the hiring team and a subset invited for interview.  Note that a satisfactory result on the assessment does not guarantee an interview.   


PLEASE COMPLETE THE ASSESSMENT BY:   January 29, 2023. @ 11:59 P.M. CST               

Instructions to Access the Assessment After Applying (If you missed the pop up)
•    Login to   
•    Click on View Profile (top right hand corner) and login.  
•    To login you will need your email address and the password established when you created your profile.   
•    Scroll down to the Jobs Applied section and click. 
•    Complete the assessment for the job where indicated.


ExxonMobil is an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, citizenship status, protected veteran status, genetic information, or physical or mental disability.


Nothing herein is intended to override the corporate separateness of local entities. Working relationships discussed herein do not necessarily represent a reporting connection, but may reflect a functional guidance, stewardship, or service relationship. 


Exxon Mobil Corporation has numerous affiliates, many with names that include ExxonMobil, Exxon, Esso and Mobil. For convenience and simplicity, those terms and terms like corporation, company, our, we and its are sometimes used as abbreviated references to specific affiliates or affiliate groups. Abbreviated references describing global or regional operational organizations and global or regional business lines are also sometimes used for convenience and simplicity. Similarly, ExxonMobil has business relationships with thousands of customers, suppliers, governments, and others. For convenience and simplicity, words like venture, joint venture, partnership, co-venturer, and partner are used to indicate business relationships involving common activities and interests, and those words may not indicate precise legal relationships.

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