Introduction

Brunel is hiring a Laboratory Technician in the Joliet, IL area. This role supports refinery lab operations, performing finished product and intermediate stream testing (MOGAS, ULSD, Asphalt, LPG, Butane, PGP). Responsibilities include GC/ICP analysis, solution preparation, sample handling, and adherence to ASTM/AASHTO methods. Ideal for candidates with 2-3 years of lab experience seeking a long-term, stable opportunity

What are you going to do

Brunel is seeking a Laboratory Technician to join a refinery laboratory team in the Joliet, IL area. This position plays a key role in ensuring the quality and compliance of finished products and intermediate streams through accurate testing and reporting. The role is structured for a 40-hour work week (Monday to Friday), with potential overtime depending on operational needs.

Key Responsibilities

  • Perform finished product and intermediate stream testing for fuels and chemical products, including MOGAS, #2 ULSD, Asphalt (PG 64-22), Propane HD-5 (LPG), Normal Butane, and PGP.

  • Prepare solutions accurately according to directions and maintain detailed records of test results.

  • Receive and log samples through the LIMS system, ensuring accuracy and completeness.

  • Execute tests in line with ASTM, AASHTO, SM, and other quality standards.

  • Conduct GC (Gas Chromatography) and ICP (Inductively Coupled Plasma) analysis, reporting results in a timely manner.

  • Review test accuracy before and after reporting, identify out-of-spec results, notify appropriate personnel, and retest when required.

  • Perform SQC (Statistical Quality Control) analysis as scheduled and record results in SampleManager.

  • Ensure proper response to run rule or out-of-control violations.

  • Monitor laboratory equipment, recognize when instruments require maintenance or removal from service, and document actions taken.

  • Carry out specified calibrations and communicate results to Chemist/Specialist as appropriate.

  • Support safe and reliable lab operations by adhering to established safety protocols and PPE requirements.

  • Request and inspect quality supplies as needed to support continuous operations.

Essential skills and knowledge 

  • Minimum 2-3 years of laboratory experience, ideally in a refinery, petrochemical, or related environment.

  • Strong working knowledge of GC and ICP methods.

  • Familiarity with ASTM/AASHTO test methods and refinery quality assurance processes.

  • Experience with sample management systems (LIMS, SampleManager).

  • Strong troubleshooting and problem-solving skills with laboratory instrumentation.

  • Excellent attention to detail, data accuracy, and time management.

  • Ability to thrive in a fast-paced environment and manage multiple testing priorities.

What we offer

  • Long-term contract opportunity with renewal potential.

  • Stable schedule of 40 hours per week, with the possibility of overtime.

  • Work in a refinery laboratory environment recognized for safety, quality, and operational excellence.

  • Be part of a collaborative team of chemists, specialists, and technicians supporting critical energy operations.

Closing: October 24, 2025

Apply Now

Do you have any questions about this vacancy?

Vacancy reference: TR-264627

MS

Corporate recruiter

Maria Sant'Anna

+1 713 333 1024

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