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Oil Refinery Operator Trainee Jobs in Rialto, CA

Allied Mechanical

Shop Helper- 1st and 2nd Shift

Ontario, CA

$19 - $21/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... military, oil refinery, turbine compressor, semiconductor and data storage. We specialize in ... Prior experience operating a forklift (sit down) preferred or the ability to become forklift ...

USALCO

Chemical Operator

Rancho Cucamonga, CA · On-site

$19.75 - $22.50/hr

... oil refining, the housing market and other sectors. The right individual will have a can-do ... The Chemical Operator is responsible for the safe and efficient operation of plant processes and ...

Allied Mechanical

Maintenance Technician I - 1 Shift

Ontario, CA · On-site

$26 - $34/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... military, oil refinery, turbine compressor, semiconductor and data storage. We specialize in ... Forklift, boom-lift and scissor-lift operator experience, or ability and willingness to become ...

Allied Mechanical

Deburr 1 Shift & 2 Shift

Ontario, CA

$19 - $24/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... military, oil refinery, turbine compressor, semiconductor and data storage. We specialize in ... Prior experience with operating forklifts is desired, with at least 6 months of experience. Ability ...

Allied Mechanical

Deburr 1 Shift and 2 Shift

Ontario, CA

$19 - $24/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... military, oil refinery, turbine compressor, semiconductor and data storage. We specialize in ... Prior experience with operating forklifts is desired, with at least 6 months of experience.

County of San Bernardino, CA

Equipment Operator

San Bernardino, CA · On-site

$53K - $75K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... oil, odors, dust, gas, and noise. Sponsorship: Please note San Bernardino County is not able to ... Trainee experience is not considered qualifying for this option.) Option 2: Two (2) years of ...

U.S. Navy

AVIATION BOATSWAINS MATE, AIRCRAFT FUELS

Pomona, CA · On-site

$16.25 - $19.75/hr

  • Medical

  • Retirement

Fueling aircraft and operating and maintaining aviation fueling and lubricating oil systems * Enforcing safety and handling precautions * Refining fuel for quality * Supervising fuel farms and ...

Universal Waste Systems

Mechanic

Perris, CA · On-site

$28 - $30/hr

Maintain collaborative working relationship with drivers, operators and coworkers and communicate ... Mentor and provide assistance to Mechanic Trainees. * Participate in external, Department and ...

Universal Waste Systems

Mechanic

Perris, CA · On-site

$28 - $30/hr

Maintain collaborative working relationship with drivers, operators and coworkers and communicate ... Mentor and provide assistance to Mechanic Trainees. * Participate in external, Department and ...

Bender CCP

Field Service Machinist

Corona, CA · On-site

$28/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

We are seeking a skilled Field Machinist with experience operating manual machining equipment in on ... Work in industrial environments such as power plants, refineries, shipyards, and manufacturing ...

SIFCO Industries

Shipping/Receiving Lead

Orange, CA · On-site

$21.80 - $28.70/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Responsible for the management of expiration dates for all oils, inks, and lubricants ... Ability to read and interpret documents such as safety rules, operating and maintenance ...

SIFCO Industries

Shipping/Receiving Lead

Orange, CA · On-site

$21.80 - $28.70/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Responsible for the management of expiration dates for all oils, inks, and lubricants ... Ability to read and interpret documents such as safety rules, operating and maintenance ...

Crane Company

Project Engineer

Jurupa Valley, CA · On-site

$81K - $110K/yr

  • Retirement

  • PTO

... operated diaphragm and peristaltic pumps. Its trusted brands (in alphabetical order) ALOYCO ® ... oil & gas, refining, and power generation. #LI-VD1 #CPE Salary range: $81,100 to $110,000. Several ...

Crane Co.

Project Engineer

Jurupa Valley, CA · On-site

$81.10 - $110/hr

  • Retirement

  • PTO

... air operated diaphragm and peristaltic pumps. Its trusted brands (in alphabetical order) ALOYCO ... oil & gas, refining, and power generation.#LI-VD1#CPESalary range: $81,100 to $110,000.Several ...

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All JobsOil Refinery Operator JobsOil Refinery Operator Trainee JobsOil Refinery Operator Trainee Jobs in Rialto, CA

Oil Refinery Operator Trainee information

See Rialto, CA salary details

$25.6K

$43.7K

$63.7K

How much do oil refinery operator trainee jobs pay per year?

As of Aug 20, 2026, the average yearly pay for oil refinery operator trainee in Rialto, CA is $43,651.00, according to ZipRecruiter salary data. Most workers in this role earn between $33,100.00 and $51,100.00 per year, depending on experience, location, and employer.

What is an oil refinery operator trainee?

An Oil Refinery Operator Trainee is an entry-level position where individuals learn to monitor and control refinery processes that convert crude oil into usable products like gasoline and diesel. Trainees work under experienced operators to understand equipment operation, safety procedures, and regulatory compliance. The role involves adjusting controls, troubleshooting issues, and maintaining efficiency in refinery units. It requires attention to detail, strong problem-solving skills, and a commitment to safety. Over time, trainees gain the experience needed to become full-fledged refinery operators.

What does an oil refinery operator trainee do?

As an Oil Refinery Operator Trainee, your typical day involves closely monitoring equipment, conducting routine inspections, and assisting experienced operators to ensure the safe and efficient processing of crude oil. You'll spend time learning how to operate control panels, respond to alarms, and follow detailed safety protocols. Most trainees rotate through different shifts and work as part of a team, gaining exposure to various units within the refinery. This hands-on experience prepares you for more advanced responsibilities and offers a solid foundation for growth within the refinery operations field.

What skills and qualifications are needed to thrive as an oil refinery operator trainee?

To thrive as an Oil Refinery Operator Trainee, you need a basic understanding of industrial operations, strong analytical skills, and a high school diploma or equivalent, with some employers preferring technical certifications. Familiarity with process control systems, safety protocols, and specialized equipment such as Distributed Control Systems (DCS) is beneficial. Attention to detail, effective communication, and the ability to work collaboratively in a team setting are valuable soft skills for this role. These skills and qualities are essential to ensure safe, efficient, and compliant operations within a complex refinery environment.

What cities near Rialto, CA are hiring for Oil Refinery Operator Trainee jobs?

Cities near Rialto, CA with the most Oil Refinery Operator Trainee job openings:

Oil Refinery Operator Trainee jobs near you
Infographic showing various Oil Refinery Operator Trainee job openings in Rialto, CA as of August 2026, with employment types broken down into 45% Full Time, 53% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $43,651 per year, or $21 per hour.

Shop Helper- 1st and 2nd Shift

Allied Mechanical

Ontario, CA

$19 - $21/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 26 days ago

Job description

ABOUT ALLIED MECHANICAL
Since 1951, Allied Mechanical (www.alliedmech.com) has been providing excellence in machining services to a broad range of business platforms including aerospace, space, energy, nuclear, military, oil refinery, turbine compressor, semiconductor and data storage.  We specialize in machining large castings and other metal/alloy parts.  Allied's greatest asset is its unique ability to offer customers turn-key, fully integrated machining, welding and assembly solutions through a world class team.
Allied Mechanical offers a competitive salary with a full range of benefits such as:
  • Medical, dental and vision insurance (as well as other auxiliary benefits i.e. life insurance, pet insurance, LTD)
  • 401(k) with profit sharing company contributions
  • 2 weeks paid time off in the first year, increasing to 3 weeks in the 2nd year and 4 weeks on the 4th year
  • 9 paid holidays

EXPECTED HIRING RANGE:  $19 - $21 per hour
JOB SUMMARY
Under general supervision, cleans shop areas, machines, and provides light facilities duties.  Assists in Deburr, Assembly, Shipping or Production Control (forklift, inventory duties).  May assist Machinists as needed with setups/break-downs.  Performs various inspections (crane, etc.) as necessary.
QUALIFICATIONS
  • One year experience working in a shop/production type environment
  • General mechanical ability
  • Prior experience operating a forklift (sit down) preferred or the ability to become forklift certified.
  • Familiarity with hand tools such as wrenches, power tools, etc.
  • Must be able to work overtime and weekends on a regular basis
  • Must be able to communicate effectively and understand instructions 
  • Must be self-motivated and able to work independently to meet deadlines
  • Must be flexible and adaptable with regard to changing priorities and assignments
  • Must be highly safety conscious and work with safety as the number one priority

WORK ENVIRONMENT
Shop floor environment with noise (under 80 db), dirt, oil and grease.  Walking surfaces may be slippery and slip-resistant shoes are required.  Exposure to air-borne oil/coolant mist and mildly hazardous chemicals.  Position requires individual to be able to stand and walk for prolonged periods of time, lift up to 50 lbs., to climb in or on large machined parts and/or over or on large CNC machines.
 Allied Mechanical is an equal opportunity employer.  We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other status protected under federal, state, or local law.
We encourage women, vets and those with disabilities to apply.
If you need reasonable accommodations in order to apply or need to discuss the physical/mental requirements of this job, contact us at 909-947-2723.
PLEASE DO NOT SUBMIT RESUMES IN IMAGE FORMATS (JPEG, PNG, Screenshots)!
 

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