Hourly Sewing Machine Operator Jobs in Riverside, CA

Job Title: Machine Operator
Job Description

This role operates drying machinery in a production environment, handling raw materials, monitoring equipment performance, and ensuring products meet defined quality and documentation standards. The Machine Operator prepares and processes batches, performs routine equipment cleaning and light maintenance, and follows Good Manufacturing Practice (GMP) and Standard Operating Procedures (SOP) to support safe, efficient, and compliant production.

Responsibilities

• Prepare and weigh raw materials and load them into the drying machine, handling individual loads up to approximately 25 pounds.
• Monitor the drying machine throughout operation, checking for proper vibration, amperage, and overall status to ensure stable performance.
• Scrape powder residue from the machine, load powder, seal drums, and load sealed drums onto pallets, including processing up to four lots per day as needed.
• Perform Limit of Detection (LOD) measurements and other routine quality checks to confirm that the product meets established quality specifications.
• Wrap finished pallets securely and move them to designated storage areas using appropriate equipment.
• Complete all required production documentation accurately, including batch records, logs, and forms in accordance with GMP and SOP requirements.
• Clean machinery, used equipment, drums, and floors to maintain a safe, sanitary, and organized production area.
• Set up and tear down machines before and after production runs, and perform light maintenance to keep equipment in proper working condition.
• Monitor machine cycle time and performance and promptly report any deviations, abnormalities, or mechanical issues to the appropriate personnel.
• Use gauges to verify machine settings, and use weight scales and calipers to collect and record product specifications.
• Accurately read and follow process procedures and protocols, and record data clearly and legibly.
• Follow all safety procedures when working around mechanical and moving parts, including proper lifting techniques and use of equipment.
• Perform other production-related duties as needed to support team and operational goals.

Essential Skills

• Proven experience as a machine operator or in a similar production role, including hands-on operation of manufacturing equipment.
• Experience working under Good Manufacturing Practice (GMP) and following Standard Operating Procedures (SOP), including strict adherence to documentation and batch recording requirements.
• Demonstrated ability to perform machine setup, tear down, and light maintenance on production equipment.
• Ability to read, comprehend, and write simple instructions, process procedures, and basic production documentation.
• Basic math skills, including the ability to add and subtract two-digit numbers and perform division with tens and hundreds for weight, measurement, and volume calculations.
• Ability to use gauges to verify machine settings, and to use weight scales and calipers to collect and verify product specifications.
• Ability to accurately read process procedures and protocols and to record data clearly and correctly.
• Capability to handle physical tasks, including lifting up to approximately 50 pounds according to ability and using team lifts for heavier items.
• Comfort working in a production environment with mechanical and moving parts while maintaining a strong focus on safety.

Additional Skills & Qualifications

• Prior experience working in a cleanroom or controlled production environment.
• Background in process, batching, or general production operations.
• Familiarity with forklift operation and pallet handling within a production or warehouse setting.
• Experience following written SOPs and GMP requirements in a regulated manufacturing environment.
• Strong attention to detail, particularly in documentation, batch recording, and quality checks.
• Ability to work collaboratively in a production team and adapt to changing priorities and workloads.

Why Work Here?

This opportunity offers a contract-to-hire path, providing the chance to demonstrate your skills and grow into a long-term role. You will work in a structured production environment that values safety, clear procedures, and consistent quality. The position supports skill development in machine operation, GMP-compliant documentation, and production processes, offering a solid foundation for career growth in manufacturing.

Work Environment

The role is based in a production environment consisting of various dedicated rooms, each supporting different stages of the process. You will work around mechanical and moving parts and must remain alert to safety procedures at all times. The noise level is typically moderate for an industrial setting, and appropriate hearing and safety precautions are followed. Work involves regular handling of drums, pallets, and raw materials, as well as operating production equipment and related tools such as gauges, weight scales, and calipers. The environment emphasizes cleanliness, with routine cleaning of machines, equipment, and floors to maintain a safe and orderly workspace.

Job Type & Location

This is a Contract to Hire position based out of Jurupa Valley, CA.

Pay and Benefits

The pay range for this position is $18.00 - $19.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Jurupa Valley,CA.

Application Deadline

This position is anticipated to close on Jul 2, 2026.

About Aerotek

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meet their goals, skills, and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role in solving companies’ construction, manufacturing, and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are-everything spirit to the test as your career continues to grow.