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Pre Weigh Operator Jobs in Riverside, CA (NOW HIRING)

Developlus, Inc.

Compounder II

Corona, CA · On-site

$24 - $26/hr

... Operating Procedures (SOPs) and batch card instructions to complete production accurately and efficiently * Allocate and assign raw materials to work orders using Sage X3 (WMS/ERP system) Pre-Weigh ...

Developlus, Inc.

Compounder II

Corona, CA

$24 - $26/hr

... Operating Procedures (SOPs) and batch card instructions to complete production accurately and efficiently * Allocate and assign raw materials to work orders using Sage X3 (WMS/ERP system) Pre-Weigh ...

Luxfer Gas Cylinders

Machine Operator

Riverside, CA · On-site

$18 - $19.61/hr

Successfully complete a Pre-employment Physical The physical demands and work environment ... The role frequently requires lifting, carrying, pushing, or pulling objects weighing up to 25 ...

Luxfer Gas Cylinders

Machine Operator

Riverside, CA · On-site

$18 - $19.61/hr

Successfully complete a Pre-employment Physical The physical demands and work environment ... The role frequently requires lifting, carrying, pushing, or pulling objects weighing up to 25 ...

Apply Early

Symbotic

Cell Operator

Perris, CA · On-site

$18.25 - $20.50/hr

Perform pre-production checks on automated adapters ensuring equipment is in 'ready to run' state ... Frequent ability to safely and efficiently lift items weighing up to 50lbs and move items weighing ...

Direct Edge

DIGITAL LABEL PRESS OPERATOR

Anaheim, CA · On-site

$23 - $27/hr

Follow job tickets and communicate with pre-press department. * Monitor and maintain print and ... Ability to lift, push, or pull materials and equipment weighing up to 50 pounds. * Manual Dexterity:

Apply Early

Direct Edge

DIGITAL LABEL PRESS OPERATOR

Anaheim, CA · On-site

$23 - $27/hr

Follow job tickets and communicate with pre-press department. * Monitor and maintain print and ... Ability to lift, push, or pull materials and equipment weighing up to 50 pounds. * Manual Dexterity:

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All JobsPre Weigh Operator JobsPre Weigh Operator Jobs in Riverside, CA

Pre Weigh Operator information

See Riverside, CA salary details

$13

$18

$23

How much do pre weigh operator jobs pay per hour?

As of Jul 6, 2026, the average hourly pay for pre weigh operator in Riverside, CA is $18.57, according to ZipRecruiter salary data. Most workers in this role earn between $16.06 and $20.58 per hour, depending on experience, location, and employer.

What is the difference between Pre Weigh Operator vs Scale Operator?

AspectPre Weigh OperatorScale Operator
CertificationsTypically requires a high school diploma and training in weighing proceduresSimilar certifications, often including basic math and safety training
Work EnvironmentManufacturing or processing plants, handling raw materialsWarehouses, distribution centers, or manufacturing facilities
Job FocusMeasuring and preparing ingredients or materials before productionOperating scales to weigh products or materials during processing

The Pre Weigh Operator and Scale Operator roles share similar certifications and work environments, focusing on weighing tasks. The main difference is that Pre Weigh Operators prepare and measure ingredients beforehand, while Scale Operators handle ongoing weighing during production. Both roles are essential in manufacturing and processing industries for accurate material handling.

What are some common challenges faced by Pre Weigh Operators and how can they be managed effectively?

Pre Weigh Operators often encounter challenges such as maintaining strict accuracy with measurements, adhering to safety and hygiene protocols, and managing time efficiently to keep production on schedule. To manage these challenges, it's important to develop strong attention to detail, follow standard operating procedures carefully, and communicate effectively with team members and supervisors. Continuous training and familiarity with equipment also help minimize errors and improve workflow in the production environment.

What are Pre Weigh Operators?

Pre Weigh Operators are responsible for accurately measuring and preparing raw materials before they are mixed or processed in manufacturing environments, such as food production or pharmaceuticals. They ensure that each ingredient is weighed according to strict specifications to maintain product quality and safety. This role requires attention to detail, adherence to safety protocols, and the ability to operate weighing and measuring equipment. Pre Weigh Operators typically work in clean, controlled environments and may also be responsible for recording batch information and maintaining inventory records.

What are the key skills and qualifications needed to thrive as a Pre Weigh Operator, and why are they important?

To thrive as a Pre Weigh Operator, you need attention to detail, basic math skills, and familiarity with safety and quality standards, often supported by a high school diploma or equivalent. Experience with industrial scales, batching systems, and inventory management software is commonly required. Reliability, strong communication, and the ability to follow precise instructions help individuals excel in this role. These skills ensure accurate material measurement, safe operations, and consistent product quality in manufacturing environments.
What are popular job titles related to Pre Weigh Operator jobs in Riverside, CA? For Pre Weigh Operator jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Pre Weigh Operator jobs in Riverside, CA look for? The top searched job categories for Pre Weigh Operator jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Pre Weigh Operator jobs? Cities near Riverside, CA with the most Pre Weigh Operator job openings:
Pre Weigh Operator jobs near you
Infographic showing various Pre Weigh Operator job openings in Riverside, CA as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $38,634 per year, or $18.6 per hour.
Compounder II

Compounder II

Developlus, Inc.

Corona, CA • On-site

$24 - $26/hr

Full-time

Posted 19 days ago

Job description

Position:
Compounder II
Join a collaborative production team where your compounding expertise drives product quality.
Lead batch mixing and manufacturing on a 1st shift schedule in a dynamic fast-paced environment.
  • Schedule: Monday-Friday, 5:00 AM - 1:30 PM
  • Rate of pay: $24-$26/hr

Please note: Developlus is not able to consider candidates who require visa sponsorship now or in the future.
About the Role
We are seeking a Compounder II to join our manufacturing team. In this role, you will assist in producing high-quality hair color and hair care products by mixing batches, operating equipment, and following established procedures and safety standards.
This is a hands-on, production-focused role ideal for someone with prior compounding experience who enjoys working in a fast-paced manufacturing environment and takes pride in precision, safety, and product quality.
You will report directly to the Production Manager.
Key Responsibilities:
Work Order Execution
  • Follow Standard Operating Procedures (SOPs) and batch card instructions to complete production accurately and efficiently
  • Allocate and assign raw materials to work orders using Sage X3 (WMS/ERP system)

Pre-Weigh Operations
  • Accurately weigh raw materials required for production
  • Operate scales, pumps, and material handling equipment safely
  • Ensure all pre-weighing and chemical picking align with batch documentation
  • Request quarantined materials as needed
  • Complete and track all inventory movements according to SOPs

Batching & Production
  • Mix batches of hair color and hair care products following GMP and safety standards
  • Set up and sanitize equipment to ensure product quality and prevent contamination
  • Document all standard and non-standard mixing processes
  • Transfer finished products to holding tanks
  • Connect and operate piping, pumps, and auxiliary equipment for production flow
  • Perform sampling and testing of raw materials and finished batches

Inventory Management
  • Store raw materials safely in designated locations
  • Maintain accurate inventory transactions (physical and system-based)
  • Ensure materials are available and production-ready
  • Report spills or hazardous conditions immediately
  • Ensure proper receiving and handling of incoming materials

Housekeeping & Safety
  • Perform in-process GMP checks, including cleaning and sanitizing equipment
  • Maintain a clean and organized manufacturing environment
  • Wash pumps, drums, and utensils as required
  • Safely collect and dispose of hazardous waste in designated areas

What We're Looking For
  • Prior compounding experience (required)
  • Forklift operation experience (certification preferred)
  • Strong attention to detail and accuracy
  • Troubleshooting and problem-solving skills
  • Ability to work both independently and collaboratively
  • Strong time management and ability to meet production goals
  • Flexibility in a fast-paced environment

Requirements
  • Ability to wear required PPE, including protective clothing and fitted respirators
  • Must follow OSHA and all safety regulations
  • Basic math skills
  • Strong communication skills with supervisors and team members

Education & Certifications
  • High school diploma or GED preferred
  • Forklift certification preferred

Supervisory Responsibilities
  • May assist in training Compounder Trainees and Compounder Level I employees as needed

Physical Requirements
  • Frequent standing and walking for extended periods
  • Regular use of hands, reaching, and handling materials
  • Occasional bending, climbing, kneeling, and crouching
  • Ability to lift and/or move up to 75 pounds
  • Must have good vision (close, distance, color, depth perception, and focus adjustment)

Work Environment
  • Exposure to fumes, airborne particles, and moving mechanical parts
  • Manufacturing setting with varying temperatures
  • Noise level may be moderate to loud

Apply