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Day Shift Upstream Manufacturing Associate Jobs in Riverside, CA

BioTalent

Manufacturing Associate

Tustin, CA · On-site

... Associates - Upstream and Downstream, to support biologics manufacturing operations. We're looking for candidates with experience in areas such as: Mammalian cell culture (CHO, HEK293, etc ...

Staffmark

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Manufacturing Associate

Irvine, CA · On-site

$20 - $23/hr

Irvine, CA Pay Rate: $20.00 - $23.00 per hour Schedule Options: (1st shift or 2nd shift) Sunday ... This Manufacturing Associate job in Irvine is made for people who like to stay busy and build ...

Talent One

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Manufacturing Associate

Irvine, CA · On-site

$17 - $19/hr

Manufacturing Production Associate - 2nd Shift Join a growing medical device manufacturing team in Lake Forest! We are looking for dependable team members who enjoy hands-on work and have a strong ...

AnDek Staffing Services

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Manufacturing Associate

Santa Ana, CA · On-site

$17 - $19/hr

Willing to learn manufacturing and quality standards Schedule: * 1st Shift: Monday - Friday, 9:00 AM - 5:30 PM * 2nd Shift: Monday-Friday, 2:30 PM - 11:00 PM * Overtime available as needed (optional ...

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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

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

As of Aug 5, 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?

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 1% Locum Tenens, 48% Full Time, 49% Part Time, 1% Temporary, and 1% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $45,217 per year, or $21.7 per hour.

Biopharmaceutical Manufacturing Upstream

BioTalent

Tustin, CA • On-site

Other

Medical, Dental, Vision, Retirement, PTO

Posted 12 days ago

Job description

Job Title: Manufacturing Associate Upstream


Location: Tustin, CA


Schedule: Wednesday – Saturday, 7:00am to 6:00pm (4x10 schedule). Initial training is Monday – Friday, 7:00am to 4:00pm.


Join a passionate team dedicated to developing and manufacturing life-saving biopharmaceuticals. As a Manufacturing Associate Upstream, you will perform multiple aspects of cGMP contract cell culture manufacturing in a multi-product facility. Responsibilities include production, documentation, report writing, material purchasing, equipment scheduling, and ensuring the on-time release of quality products. You will operate and maintain cell culture bioreactors (Wave and 100L–2000L disposable STR/SUB), perform cell culture expansions, operate analytical equipment (NOVA analyzers, pH meters, Vi-Cell cell counter, etc.), conduct harvest operations, maintain cleanroom facilities, and revise Batch Production Records and SOPs. Collaboration with other departments, troubleshooting, and supporting continuous improvement initiatives are key aspects of this role. Additional duties include preparing media and buffer, performing aseptic filling, and participating in audits and investigations.


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

- Associate or Bachelor’s degree, preferably in biology or chemistry


Compensation & Benefits:

- Performance-based bonuses

- Comprehensive benefits: health, dental, vision, 401(k) matching, paid time off

- Opportunities for career growth and development in a supportive, inclusive environment


Who You Are:

- Team player with a positive attitude

- Excellent written and verbal communication skills

- Strong multitasking and attention to detail

- Skilled at building relationships with team members, vendors, and suppliers


Physical Demands & Work Environment:

- Regular sitting, standing, walking, and occasional lifting (up to 20 lbs)

- Occasional exposure to electrical shocks, chemicals, vibrations, or loud noise

- Reasonable accommodations available for individuals with different abilities


Applicants must be legally authorized to work in the United States for any employer. Sponsorship is not available for this position now or in the future.

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