Lab Tester – Rep (BMRF) MFG

Exxon Mobil

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, October 2, 2022.

Job Role Summary

A  Lab Tester is responsible for performing tests according to specified methods in a safe and accurate manner.

Primary Job Functions

  • Performs various chemical and physical property testing using processes such as induction, combustion, distillation, filtration, titration, phase transition and other ExxonMobil accepted industry standards.
  • Reviews summary reports and mitigates any outstanding samples.
  • Becomes proficient in the use of the computerized Laboratory Information Management System (LIMS).
  • Tests statistical quality control (SQC) check samples as required and takes appropriate action for out of control results.
  • Records test results accurately and completely as required by Quality Practices & Guidelines and Data Integrity Assurance Framework.
  • Checks calibration frequency on designated instruments/equipment and calibrates as required.
  • Performs preventive maintenance, glassware cleaning, and good laboratory housekeeping.
  • Maintains instruments/equipment as required by the preventive maintenance schedule. 
  • Communicates testing issues to First Line Supervisor, completes proper paperwork, and resolves any issues.

Job Requirements

  • Ability to work overtime as needed.
  • Ability to work 12-hour rotating shift.
  • Ability to work with minimal supervision.
  • Ability to work well in a team environment.
  • Ability to perform calculations and scientific conversions.
  • Ability to routinely move canisters weighing up to 20 pounds from a cart to a countertop both waist-height.
  • Ability to perform general troubleshooting of testing equipment.

Preferred Knowledge/Skills/Abilities (KSAs)

  • 4 yr. Science degree or equivalent/appropriate Lab experience.
  • Familiarity with physical property testing equipment; titrators, automatic distillation, phase analyzers, flash analyzers, viscometers, and other physical tests.        
  • Thorough knowledge of Laboratory safe work practices.

Pre-Employment Testing Guidance

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.  




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.  


Alternate Location:  

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

To apply for this job please visit

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