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Refinery Sampler Jobs in California (NOW HIRING)

Weighmaster

Bakersfield, CA ยท On-site

$23.54/hr

This role will ensure accurate recording of weights, collect product samples, and ensure compliance with refinery and regulatory requirements. Weighmasters perform significant outdoor work, interact ...

PartTime Call Center

Signal Hill, CA ยท On-site

$17 - $21.25/hr

Responsible for inspection and sampling work performed in the field, completion of all necessary ... Must be able to work in refineries, terminals, and on-board marine vessels as necessary. * Must ...

Lab Technician

Martinez, CA ยท On-site

$27 - $30/hr

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 ...

Scientist

Redwood City, CA ยท On-site

$120 - $180/hr

Own the development and optimization of nucleic acid-based assays and sample-preparation workflows. * Build and refine methods for lysis, nucleic acid extraction, purification, concentration ...

Assistant Technical Designer

Los Angeles, CA ยท On-site

$40K - $47K/yr

Known for intentional design, refined fit, and an easy feminine aesthetic, AMO creates denim ... Ship samples to overseas factories and provide tracking information to vendors as needed.

Own the development and optimization of nucleic acid-based assays and sample-preparation workflows. * Build and refine methods for lysis, nucleic acid extraction, purification, concentration ...

Scientist

Redwood City, CA ยท On-site

$120 - $180/hr

Own the development and optimization of nucleic acid-based assays and sample-preparation workflows. * Build and refine methods for lysis, nucleic acid extraction, purification, concentration ...

The designer will attend fittings, refine garment construction and fit, and work closely with pattern makers and sample rooms to ensure design intent is realized. This role also involves preparing ...

Tester

Bakersfield, CA ยท On-site

$35.02/hr

... analysis of refinery raw materials, intermediate products, and finished products to ensure ... Collect and test finished product, blend component, truck, and railcar samples in accordance with ...

New

Oil and Petroleum Inspectors access client facilities (refineries, terminals, truck racks, tank farms, etc) to perform sampling and quantity surveys of shore tanks, barges, ocean vessels, railcars ...

Coordinator, Operations

Signal Hill, CA ยท On-site

$102K - $140K/yr

Refined fuel specifications such as ASTM D1655 (Jet Fuel), and the ability to recognize off-spec trends during testing * Operating systems including Phoenix, C-Bis, Sample Manager, ICAM, etc. Contact:

Characterize optical and holographic samples (efficiency, uniformity, basic optical metrology) and record results carefully Lab Execution & Improvement * Follow and help refine recording and test ...

Leads key elements of the design transfer activities, including defining and refining statistically robust in-process check specifications, statistically justified sample size determination, and ...

Leads key elements of the design transfer activities, including defining and refining statistically robust in-process check specifications, statistically justified sample size determination, and ...

... sample seeding. The Account Manager / Brand Strategist will collaborate closely with internal teams to refine whitelisting setups, provide strategic recommendations, and deliver clear performance ...

... process of refining their skill sets and establishing their point of view. This Candidate is ... Samples: The Design Assistant will help organize and track sample developments, communicating from ...

Node.Js Framework Engineer

San Jose, CA ยท On-site

$60 - $77.75/hr

Help refine and improve our current codebase with your new insights and ideas Requirements: BS/BA ... Open source contributions GitHub account with some code samples Development experience in ...

Showing results 21-40

Refinery Sampler information

See California salary details

$5

$23

$61

How much do refinery sampler jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for refinery sampler in California is $23.58, according to ZipRecruiter salary data. Most workers in this role earn between $17.07 and $20.62 per hour, depending on experience, location, and employer.

What is a refinery sampler?

Refinery samplers are professionals responsible for collecting samples of raw materials, intermediate products, and finished products at oil refineries or chemical plants. Their main objective is to ensure that samples are collected safely and accurately for laboratory analysis, which helps monitor product quality and process efficiency. Refinery samplers must follow strict safety and sampling procedures to avoid contamination and maintain representative samples. They often work in hazardous environments and are trained to use specialized equipment. Their work is essential to compliance with industry standards and regulations.

What are the key skills and qualifications needed to thrive as a refinery sampler, and why are they important?

To thrive as a Refinery Sampler, you need knowledge of sampling procedures, attention to detail, and a high school diploma or equivalent, often accompanied by safety certifications. Familiarity with laboratory equipment, hazardous materials handling, and digital data entry systems is typically required. Strong observational skills, reliability, and effective communication help ensure accurate reporting and teamwork. These skills are crucial for maintaining safety standards, ensuring product quality, and supporting efficient refinery operations.

What are some common challenges a refinery sampler might face during sample collection, and how can they be addressed?

Refinery Samplers often work in environments where accuracy and safety are paramount. Challenges include handling hazardous materials, working in extreme temperatures, and ensuring samples are not contaminated. To address these, samplers should strictly adhere to safety protocols, use proper personal protective equipment, and follow standardized collection procedures. Regular training and clear communication with the operations and laboratory teams are also key to overcoming these obstacles and ensuring reliable results.

What is the difference between Refinery Sampler vs Petroleum Laboratory Technician?

AspectRefinery SamplerPetroleum Laboratory Technician
CertificationsSampling certifications, safety trainingLab safety, analytical certifications
Work EnvironmentRefinery sites, field samplingLaboratories, testing facilities
Job FocusCollecting samples from refineriesAnalyzing samples in labs
Industry UsageCommon in refining operationsCommon in quality control labs

Refinery Samplers primarily focus on collecting physical samples directly from refinery processes, often working in the field. Petroleum Laboratory Technicians analyze those samples in lab settings, performing tests to ensure quality and compliance. While both roles require safety training and industry-specific certifications, their work environments and daily tasks differ significantly, with samplers working on-site and technicians working in labs.

What are popular job titles related to Refinery Sampler jobs in California?

For Refinery Sampler jobs in California, the most frequently searched job titles are:

What job categories do people searching Refinery Sampler jobs in California look for?

The top searched job categories for Refinery Sampler jobs in California are:

What cities in California are hiring for Refinery Sampler jobs?

Cities in California with the most Refinery Sampler job openings:

Infographic showing various Refinery Sampler job openings in California as of August 2026, with employment types broken down into 6% Internship, 88% Full Time, and 6% Part Time. Highlights an 94% In-person, and 6% Hybrid job distribution, with an average salary of $49,053 per year, or $23.6 per hour.

Weighmaster

Kern Energy CA

Bakersfield, CA โ€ข On-site

$23.54/hr

Other

Posted 24 days ago


Job description

Weighmaster

Corporate Office - Bakersfield, CA 93307

Salary Range $23.54 - $23.54 Hourly Level Entry Position Type Full Time Job Shift Rotating 12-hour Shift Education Level G.E.D or Equivalent Travel Percentage None Category Operations

Description

Kern Energy is seeking a Weighmaster who will be responsible for managing documentation of truck loading and unloading activities of the facility. This role will ensure accurate recording of weights, collect product samples, and ensure compliance with refinery and regulatory requirements. Weighmasters perform significant outdoor work, interact with truck drivers, and coordinate with operations to maintain safe and efficient product transfer. The successful candidate will exhibit Kern's core values of Teamwork, Safety, Excellence, Integrity, and Connection.

Job Function

  • Operate weighing equipment and software to accurately measure the weight of inbound and outbound vehicles.
  • Collect product samples for routine laboratory analyses.
  • Document all weighing and sampling activity in the shift log and ensure accurate data entry.
  • Complete structured shift turnover and review daily notes for assigned tasks.
  • Verify truck compliance with safety and environmental standards while in the scale area.
  • Safely complete all tasks with no spills, releases, or incidents.
  • Provide courteous interaction and clear communication with drivers during weighing and sampling.
  • Notify supervisors of any operational or compliance concerns.
Qualifications

Knowledge & Skills

  • Basic knowledge of refinery operations, product sampling, and weighing equipment.
  • Strong attention to detail and ability to follow compliance protocols.
  • Ability to work independently in outdoor conditions.
  • Basic computer skills for data entry and reporting.

Education / Experience

  • High School Diploma or Equivalent.
  • 3+ years of related experience operating weighing or product transfer equipment.