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Day Shift Upstream Manufacturing Associate Jobs in Riverside, CA

Parsan Wade Search Llc

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Manufacturing Associate Upstream (M-F Flex)

Tustin, CA · On-site

$20.52 - $27.35/hr

The Manufacturing Associate Upstream performs multiple aspects of cGMP contract cell culture ... This role is a full-time position operating Monday through Friday on a 5x8 (5 days x 8 hours ...

Parsan Wade Search Llc

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Manufacturing Associate Upstream (M-F Flex)

Tustin, CA · On-site

$20.52 - $27.35/hr

The Manufacturing Associate Upstream performs multiple aspects of cGMP contract cell culture ... This role is a full-time position operating Monday through Friday on a 5x8 (5 days x 8 hours ...

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Packaging & Manufacturing Associate

Brea, CA · On-site

$18/hr

We are seeking Packaging and Manufacturing Associates with prior experience in cosmetics, food production, aerospace, or electrical assembly. \n \n \n \n \n \n Shift Details: \n \n \n Pay: $18 per ...

Architectural Design

Manufacturing Associate

Corona, CA · On-site

$16 - $25/hr

... in a manufacturing environment. Perform tests on electrical assemblies during the production ... 8 + hour shift. Specific vision abilities required by this job include close vision, distance ...

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All JobsDay Shift Upstream Manufacturing Associate JobsDay Shift Upstream Manufacturing Associate Jobs in Riverside, CA

Day Shift Upstream Manufacturing Associate information

See Riverside, CA salary details

$12

$21

$34

How much do day shift upstream manufacturing associate jobs pay per hour?

As of Jun 12, 2026, the average hourly pay for day shift upstream manufacturing associate in Riverside, CA is $21.74, according to ZipRecruiter salary data. Most workers in this role earn between $17.07 and $24.33 per hour, depending on experience, location, and employer.

What is a Day Shift Upstream Manufacturing Associate?

A Day Shift Upstream Manufacturing Associate is responsible for preparing and operating equipment to support the initial stages of biopharmaceutical production, typically involving cell culture, fermentation, and media preparation. Working during the day shift, they monitor processes, maintain sterile environments, and ensure production runs smoothly and efficiently. Their work is crucial in ensuring quality and consistency in the early phases of manufacturing biological products such as vaccines or therapeutic proteins.

What is the difference between Day Shift Upstream Manufacturing Associate vs Night Shift Upstream Manufacturing Associate?

AspectDay Shift Upstream Manufacturing AssociateNight Shift Upstream Manufacturing Associate
Work HoursTypically 8 AM - 4 PMTypically 8 PM - 4 AM
Work EnvironmentManufacturing floor during daytime operationsManufacturing floor during nighttime operations
Required SkillsSimilar technical skills, safety protocols, and certificationsSame technical skills, safety protocols, and certifications
Employer UsageCommonly used in biopharma and biotech manufacturingSame industry usage, different shift timing

The main difference between a Day Shift Upstream Manufacturing Associate and a Night Shift Upstream Manufacturing Associate lies in their working hours. Both roles require similar skills, certifications, and work environments, but they operate during different shifts. Employers in biopharma and biotech industries often employ both to ensure continuous production, with shift timing being the primary distinction.

What are the typical collaboration points between a Day Shift Upstream Manufacturing Associate and other teams in a biomanufacturing facility?

Day Shift Upstream Manufacturing Associates frequently collaborate with downstream processing teams, quality control, and process engineering staff. Daily responsibilities often involve communicating batch progress, troubleshooting issues, and ensuring compliance with safety and GMP standards. Clear documentation and timely reporting to supervisors and quality teams are crucial for maintaining production flow. This cross-functional teamwork ensures efficient handoffs and rapid response to any process deviations, making collaboration a key part of the role.

What are the key skills and qualifications needed to thrive as a Day Shift Upstream Manufacturing Associate, and why are they important?

To excel as a Day Shift Upstream Manufacturing Associate, you typically need a background in biotechnology or life sciences, experience with aseptic techniques, and an understanding of Good Manufacturing Practices (GMP). Familiarity with bioreactors, cell culture systems, and process control software is commonly required, along with relevant safety or GMP certifications. Attention to detail, teamwork, and strong problem-solving abilities are valuable soft skills in this role. These competencies ensure the efficient and compliant production of high-quality biopharmaceuticals in a regulated manufacturing environment.
What are popular job titles related to Day Shift Upstream Manufacturing Associate jobs in Riverside, CA? For Day Shift Upstream Manufacturing Associate jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Day Shift Upstream Manufacturing Associate jobs in Riverside, CA look for? The top searched job categories for Day Shift Upstream Manufacturing Associate jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Day Shift Upstream Manufacturing Associate jobs? Cities near Riverside, CA with the most Day Shift Upstream Manufacturing Associate job openings:
Day Shift Upstream Manufacturing Associate jobs near you
Infographic showing various Day Shift Upstream Manufacturing Associate job openings in Riverside, CA as of June 2026, with employment types broken down into 4% Locum Tenens, 4% Full Time, 88% Part Time, and 4% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $45,217 per year, or $21.7 per hour.
Manufacturing Associate Upstream

Manufacturing Associate Upstream

Avid Bioservices

Tustin, CA • On-site

$20.52 - $27.35/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 22 days ago

Job description

Description
Looking to join a passionate team dedicated to developing and manufacturing life-saving biopharmaceuticals? Avid Bioservices is a leading clinical and commercial biologics CDMO focused on creating innovative solutions to meet the needs of our clients and improve patient outcomes.
Your Role:
The Manufacturing Associate Upstream performs multiple aspects of cGMP contract cell culture manufacturing in a multi-product manufacturing facility, including, but not limited to production, documentation, writing reports, requesting, and purchasing materials, and scheduling equipment services and calibrations. The Manufacturing Associate will play an integral role in ensuring the production and on-time release of quality products. The Manufacturing Associate will conduct him/herself in a manner representing the core values (Integrity, Adaptability, Innovation, Teamwork, and Passion) of the company with the common purpose of improving patients' lives by consistently delivering high-quality biopharmaceutical products. Lead and conduct investigations as they pertain to facilities (or other areas of operations involving equipment or utilities) to determine roots causes and corrective/preventative actions.
  • Perform daily monitoring of equipment.
  • Operate and maintain cell culture bioreactors (Wave and 100L - 2000L disposable STR/SUB) in batch, fed-batch, and perfusion modes.
  • Responsible for cell culture expansions and aseptic techniques (thaw cell banks -1mL vial through cell culture expansion and maintenance - up to 15L spinner flasks performed in a BSC).
  • Operate and maintain equipment - NOVA analyzers, pH meters, CO2 analyzers, pH and DO simulators, microscope, pipettors, Vi-Cell cell counter, balance, scale, MFCS, Rees, and Delta V.
  • Harvest operations - pod filtration, 3M filtration, and TFF system.
  • Schedule vendor service appointments for equipment.
  • Purchase necessary equipment and associated materials that are needed or low in supply.
  • Help create and actively support 5S, Area Improvement, and Safety Team initiatives to ensure a Continuous Improvement culture throughout the department.
  • Operate Sartocheck filter integrity testers.
  • Maintain cleanroom facility and equipment.
  • cGMP Documentation.
  • Revise and initiate Batch Production Records (BPRs), Standard Operating Procedures (SOPs), and forms.
  • Collaborate with other departments for raw materials, water, testing requirements, documentation, validation, maintenance, and scheduling.
  • Identify, escalate, and report deviations (IRs/DRs/CAPAs).
  • Set up critical new manufacturing processes and equipment.
  • Troubleshoot equipment and process issues in collaboration with Facilities (FAC), Manufacturing Sciences and Technology (MSAT), and Validation (VAL) departments.
  • Ensure that equipment and material are available as required for each production run.
  • Identify the technical, procedural, and equipment issues that hinder production and compliance. Inform support departments and manager as needed.
  • Assist in the transfer of technology from PD and MSAT to cGMP Manufacturing.
  • Assist with periodic technical and compliance investigations, inspections, and audits.
  • Report all unsafe activities to manager and/or Human Resources.
  • Participate in proactive team efforts to achieve departmental and company goals.
  • Communicate with team members, supervisors, and members of other departments, as appropriate, to assure prompt resolution of problems.
  • Prepare media and buffer.
  • Perform aseptic filling.
  • Other duties may be assigned.

Minimum Qualifications:
  • 2+ years of related experience and/or training; or equivalent combination of education and experience.
  • 2+ years of industry experience working with mammalian cell culture.

Preferred Qualifications:
  • Bachelor's or associate degree (A.A.) with a preference for biology or chemistry emphasis.

Position Type/Expected Hours of Work:
This role is a full-time position with a Wednesday through Saturday schedule, working 4 days a week and 10 hours each day (4 days x 10 hours), with operating hours from 7:00am to 6:00pm. During the initial training period, working days and hours will be Monday through Friday 7:00am to 4:00pm.
Compensation:
We offer competitive compensation packages for this role, including a base salary, performance-based bonuses, and comprehensive benefits such as health, dental, and vision insurance, 401(k) matching, and paid time off.
The compensation range for this role is $20.52-$27.35 hourly depending on experience and qualifications. Additionally, we offer opportunities for career growth and development as well as a supportive and inclusive work environment.
Who you are:
  • You have a "bring it on!" team player approach and an unshakable positive attitude, always ready to tackle anything that comes your way.
  • Your written and verbal skills are out of this world, and you communicate with clarity and confidence.
  • You have exceptional multitasking skills and an unparalleled attention to detail that ensure the smooth running of everything.
  • You are a master at building relationships, capable of establishing connections with anyone, be it team members, clients, vendors, or suppliers.

Physical Demands & Work Environment:
In this dynamic role, expect a blend of regular activities like sitting, standing, and walking, with occasional physically engaging tasks such as lifting objects up to 20 pounds. The work environment might expose you to electrical shocks, toxic chemicals, vibrations, or loud noise levels occasionally. However, reasonable accommodations are available to enable individuals with different abilities to perform effectively, ensuring a supportive and adaptable work setting. Your visual acuity, including close, distance, and color vision, will be essential in navigating through the diverse day-to-day demands of this position.

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