Laboratory Analyst

Full Time
Lake Charles, LA
Science & Engineering


Title: Laboratory Analyst
Company: CITGO
Location: Lake Charles, LA.

CITGO seeks to hire Laboratory Analysts to join our team in Lake Charles, Louisiana. The Lake Charles Refinery lab runs approximately 59,000 samples per month.  It is the lab’s responsibility to turn the sample results around to the refinery in a timely and accurate manner.  Laboratory Analysts contribute to this workflow by providing reliable and timely sample collection from the field as well as quality testing within the laboratory.  Considerable outside work is required including extensive lifting and climbing on a daily basis.


  • Promote safety in the operation of the laboratory
  • Perform various housekeeping and other tasks to ensure the safety of the laboratory
  • Work shift work and be available to work overtime as required for vacancies
  • Collect samples from refinery operating units and deliver to the laboratory a minimum of every two hours
  • Deliver sample cylinders, bottles, tags and other lab supplies to the operating units as required
  • Sample component blend tanks and finished product tanks
    • Requires coordination with outside inspection companies
    • Sample collection types will include tap, upper, middle, lower, and averages of tanks
    • Ensure proper identification/tagging of the samples and deliver to the laboratory (Up to 6 tanks per day)
  • Train and qualify on analytical tests as required by supervision.  This includes:
    • Processing samples from login to disposal
    • Preparing standards and reagents as required
    • Performing analytical analyses
    • Reporting timely and accurate data to the lab database
    • Performing routine maintenance and troubleshooting of analytical equipment as directed including calibrations


  • Bachelor of Science degree in Chemistry or related field, OR
  • Four (4) years of laboratory experience in a refinery or petrochemical facility
  • Valid Driver’s License
  • Must not have tested with CITGO Lake Charles within the past 12 months
  • Must be able to obtain a TWIC (Transportation Worker Identification Credentials Card)
    • TWIC Eligibility Requirements: The Maritime Transportation Security Act requires all persons who will need unescorted access to the regulated facility to have a valid Transportation Worker Identification Credential (TWIC), issued in accordance with the rules established by the United States Coast Guard and the Transportation Security Administration. Candidates selected for employment must meet eligibility criteria to obtain a TWIC card. To obtain more information on the Transportation Worker Identification Credential (TWIC), please visit the Transportation Security Administration’s website
  • Must have the ability to work shift work and be available for overtime
  • Must have the ability to climb ladders/work in high locations
  • Must successfully complete assessments, background checks, and medical exams

Relocation benefits are available for this position.

Employer will not sponsor visas for this position.

APPLY ONLINE. Click “Apply Now”.

Posting closes at 11:59 pm CST on Tuesday, May 7, 2024.

Please note:  Communication regarding the next steps in the hiring process will be done using the email you provided.  Please be sure to continuously check your email, including “SPAM” or “JUNK” email box.

About CITGO:  Headquartered in Houston, Texas, CITGO Petroleum Corporation is a recognized leader in the refining industry with a well-known brand. CITGO operates three refineries located in Corpus Christi, Texas; Lake Charles, La.; and Lemont, Ill., and wholly and/or jointly owns 42 terminals, six pipelines and three lubricants blending and packaging plants. With approximately 3,400 employees and a combined crude capacity of approximately 769,000 barrels-per-day (bpd), CITGO is ranked as the sixth-largest, and one of the most complex independent refiners in the United States. CITGO transports and markets transportation fuels, lubricants, petrochemicals and other industrial products and supplies a network of approximately 4,600 locally owned and operated branded retail outlets, all located east of the Rocky Mountains. CITGO Petroleum Corporation is owned by CITGO Holding, Inc. For more information, visit

CITGO is an Equal Opportunity Employer. 

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