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Lab Technician

Petroleum Service Corporation
27 USD-30 USD
medical insurance, sick time, 401(k)
United States, California, Martinez
Aug 10, 2026

Laboratory Technician


PSC Group is hiring entry-level Chemical Plant Laboratory Technicians! Support plant operations by performing precise lab tests and build a stable career in a booming industry. Join PSC for great benefits, a matching 401(k), and opportunities to grow. Apply now to become part of the PSC family!


Job Duties & Responsibilities:


  • Analyze process samples and final products per standard operating procedures in a timely manner to accommodate the needs of the refinery.
  • Verify all data before reporting information to verify quality and ensure compliance with product specifications, test method standards, and regulations
  • Coordinate sample testing with other technicians to improve turnaround time for reporting all data.
  • Prioritize work based on the needs of the refinery.
  • Perform special testing projects, i.e. round robins, bench blends, etc. on an as-needed basis
  • Deliver routine supplies to, and gather collected samples from, process units in a timely manner to provide efficient turnaround of results.
  • Ensure functionality of equipment by checking instrument and standard specific statistical quality control charts and perform periodic calibration and maintenance.
  • Observe expiration dates, low reagent volumes, gas cylinder pressures, etc. to ensure adequate consumables and resources are available for all testing.
  • Perform routine maintenance and troubleshooting for instrumentation to achieve maximum equipment availability.
  • Maintain and update laboratory supply inventory to ensure continuity and safety of work.
  • Communicate to relief all relevant information about the refinery, i.e. unit specifications and upsets, off-spec results, samples in progress and instrument problems, etc.
  • Review electronic shift log at start of shift and sign-off at end of shift by adding pertinent information.
  • Record test information into logbooks, verify electronically transferred data or enter results into SampleManager (LIMS) and approve Certificates of Analysis (C of A's), as required.
  • Report missing samples, problems, environmental concerns and off-spec results (when needed) to appropriate complex operators and/or Supervisor.
  • Receive and conduct on-the-job training (OJT) to perform analytical techniques and methods for improving lab capability.
  • Maintain corporate standards by completing computer-based training (CBT).
  • Improve proficiency by reading analytical methods, adopting procedural updates, and reviewing instrument manuals and technical journals to meet personal, team and company objectives.
  • Participate in relevant training events to increase personal development.
  • Maintain a clean and organized work environment to promote health, safety, and work efficiency in the lab.
  • Place hazardous material in proper waste containers and store all retained samples according to Basic Practice procedures.
  • Transfer hazardous waste and empty solvent and reference fuel drums to the warehouse for proper disposal.
  • Qualifications: A 4-year science degree with four college chemistry courses and two college chemistry labs is required
  • Computer proficiency with standard desktop applications, e.g. Microsoft Word, Microsoft Excel, Microsoft PowerPoint and Microsoft Outlook is required.


Job Qualifications:
* Experience is a plus but not required, and paid on-the-job training is available
* May require a valid Driver's License and / or a valid TWIC card, depending on work location
* 18 years or older and legally able to work in the U.S.
* Pass a drug screen, physical, and background check
* Wear all required PPE without restriction and pass any required medical exams
* Speak, write, read fluent English
* Regular on-site attendance and punctuality is required
* Previous military experience and proven ability to follow procedures is a plus

Work Schedule:
8 - 12 Hour Day Shift (Some weekends required)

Why join the PSC team?



  • Since 1952, PSC Group has had a strong reputation for quality service, safety, environmental protection, and taking care of our employees.
  • We are a leader in product handling and site logistics for refineries, chemical producers, and marine transportation providers.
  • The work we do makes a huge impact in our nation's economy. Check out our videos at PSC Group - Career Videos to learn more.
  • Check out our online newsletter "The Connection" which contains articles about our work groups, recognition events, and achievements of our employees and their family members at PSC Group - Newsletter.
  • Our Core Values serve as the foundation for all we do-how we conduct our business, serve our customers, and treat members of our PSC family. Learn more at PSC Group - Core Values.



Employee Benefits:



  • Medical insurance options with the company paying a large portion of the premiums, including affordable dental and vision plans for employees and their families
  • Company-paid life, short-term, and long-term disability insurance
  • Matching 401(k) plan to help employees save money for retirement
  • Vacation, sick leave, and holiday benefits (varies by work group)
  • Incentives, discounts, and bonuses
  • Industry-leading training and development programs
  • On-Demand Pay, giving you early access to earned wages and more financial flexibility.



To perform this job successfully, an individual must be able to perform each essential duty satisfactorily with or without reasonable accommodations. The above job description does not reflect all essential job functions or physical requirements.

This job description should not be construed as an exhaustive statement of duties, responsibilities or requirements, but a general description of the job. Nothing contained herein restricts the company's rights to assign or reassign duties and responsibilities to this job at any time.

PSC Group, formerly known as Petroleum Service Corporation, is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.


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