ZipRecruiter

Log In

1

Purification Jobs in California (NOW HIRING)

System One

Protein Expression Scientist - Temp

Alameda, CA · On-site

$50 - $55/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Protein Expression & Purification Scientist Location: Alameda, CA Type: 12 month contract Compensation: $50-55/hour depending on qualifications Contractor Work Model: Onsite Hours: 40 hours/week ...

System One

Protein Expression Scientist - Temp

Alameda, CA · On-site

$50 - $55/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Protein Expression & Purification Scientist Location: Alameda, CA Type: 12 month contract Compensation: $50-55/hour depending on qualifications Contractor Work Model: Onsite Hours: 40 hours/week ...

System One

Protein Expression Scientist - Temp

Alameda, CA · On-site

$50 - $55/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Protein Expression & Purification Scientist Location: Alameda, CA Type: 12 month contract Compensation: $50-55/hour depending on qualifications Contractor Work Model: Onsite Hours: 40 hours/week ...

System One

Protein Expression Scientist - Temp

Alameda, CA · On-site

$50 - $55/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Protein Expression & Purification Scientist Location: Alameda, CA Type: 12 month contract Compensation: $50-55/hour depending on qualifications Contractor Work Model: Onsite Hours: 40 hours/week ...

System One

Protein Expression Scientist - Temp

Alameda, CA · On-site

$50 - $55/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Protein Expression & Purification Scientist Location: Alameda, CA Type: 12 month contract Compensation: $50-55/hour depending on qualifications Contractor Work Model: Onsite Hours: 40 hours/week ...

System One

Protein Expression Scientist - Temp

Alameda, CA · On-site

$50 - $55/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Protein Expression & Purification Scientist Location: Alameda, CA Type: 12 month contract Compensation: $50-55/hour depending on qualifications Contractor Work Model: Onsite Hours: 40 hours/week ...

System One

Protein Expression Scientist - Temp

Alameda, CA · On-site

$50 - $55/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Protein Expression & Purification Scientist Location: Alameda, CA Type: 12 month contract Compensation: $50-55/hour depending on qualifications Contractor Work Model: Onsite Hours: 40 hours/week ...

System One

Protein Expression Scientist - Temp

Alameda, CA · On-site

$50 - $55/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Protein Expression & Purification Scientist Location: Alameda, CA Type: 12 month contract Compensation: $50-55/hour depending on qualifications Contractor Work Model: Onsite Hours: 40 hours/week ...

System One

Protein Expression Scientist - Temp

Alameda, CA · On-site

$50 - $55/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Protein Expression & Purification Scientist Location: Alameda, CA Type: 12 month contract Compensation: $50-55/hour depending on qualifications Contractor Work Model: Onsite Hours: 40 hours/week ...

previous page

Showing results 41-60

All JobsPurification JobsPurification Jobs in California

Purification information

See California salary details

$138.7K

$209.2K

$233.9K

How much do purification jobs pay per year?

As of Aug 14, 2026, the average yearly pay for purification in California is $209,160.00, according to ZipRecruiter salary data. Most workers in this role earn between $202,300.00 and $217,100.00 per year, depending on experience, location, and employer.

What is the difference between Purification vs Laboratory Technician?

AspectPurificationLaboratory Technician
Required CredentialsCertifications in purification techniques, chemistry or biochemistry degreesAssociate's or Bachelor's degree in laboratory sciences or related field
Work EnvironmentResearch labs, pharmaceutical or biotech facilitiesGeneral labs, hospitals, research institutions
Employer & Industry UsageUsed in biotech, pharmaceutical, and research industries for isolating compoundsCommon in healthcare, research, and clinical labs for testing and analysis

Purification specialists focus on isolating and refining specific compounds or substances, often requiring specialized techniques and certifications. Laboratory Technicians perform a broader range of testing and analysis tasks in various lab settings. While both roles work in laboratory environments, purification is more specialized in compound isolation, whereas laboratory technicians handle diverse testing procedures.

What are popular job titles related to Purification jobs in California?

For Purification jobs in California, the most frequently searched job titles are:

What job categories do people searching Purification jobs in California look for?

The top searched job categories for Purification jobs in California are:

What cities in California are hiring for Purification jobs?

Cities in California with the most Purification job openings:

Purification jobs near you
Infographic showing various Purification job openings in California as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 98% In-person, and 2% Hybrid job distribution, with an average salary of $209,160 per year, or $100.6 per hour.

Pharma Protein Expression Biochemist

Cogent Scientific

San Diego, CA • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 17 days ago

Job description

Cogent Scientific, an insourced contract research organization, is looking for the right people to accomplish our Mission: to support the life sciences industry by cultivating and empowering exceptional scientists to deliver specialized laboratory services that advance research, foster collaboration, and accelerate innovation through quality and a shared commitment to excellence.  We can offer you the chance to build on your skills and knowledge while working among experts in their fields and with cutting-edge instrumentation.

Cogent Scientific offers competitive pay, attractive benefits (such as medical/dental/vision insurance; 401(k); parental leave; PTO and paid holidays; etc.) and an exciting work environment.  This position may include relocation benefits as well.  We aim to recruit the best people who stand out among their peers and embody our Core Values:


  • Client Focused: We only succeed when our clients succeed.
  • Outstanding: We deliver meticulous results through outstanding performance.
  • Good: We act ethically and morally.
  • Employee-Centric: We honor and support our employees.
  • Nimble: We are prepared to adapt in an ever-changing industry.
  • Team-Oriented: We collaborate with each other and with our clients.


We currently have a role available for a Pharma Protein Expression Biochemist.

Job duties include, but are not limited to, the following:

  • Providing recombinant protein expression, expression QC, small scale purification for multiple projects, simultaneously, within the protein sciences group to provide high quality proteins to structural biology & enzymology.
  • Executing projects in an efficient manner, working within aggressive timelines.
  • Rapidly communicating/recording scientific results and insights to the team.
  • Preparing reports for internal and external purposes including regulatory submissions.
  • Participating in project-based and technical team meetings to identify and solve problems and communicating on-going work and progress.


Job requirements include, but are not limited to:

  • BS-Biochemistry, Molecular/Cellular Biology or a related field with minimum of 1-2 years of industrial lab experience outside of academia.  MS in the same fields with 1 year of industrial lab experience outside of academia will also be considered.
  • Excellent communication skills – verbal and written.
  • Works well both as a team and as an individual.
  • Demonstration of excellent team player skills, very strong attention to detail, very strong problem-solving skills, a high level of learning agility, and the ability to work across functions. The ideal candidate will be enthusiastic and self-motivated, with the leadership and communication skills necessary to operate effectively in a fast-paced multidisciplinary environment with flexibility and an adaptable approach to goal delivery.


This is a day shift position (approx. 8a-5p local time).

Cogent Scientific provides equal employment opportunities to all applicants and does not discriminate based on any legally protected characteristic.

Additionally, if you require a reasonable accommodation during the application or interview process, please let us know.

This job posting will remain open until 8/28/2026 or until a qualified candidate has been selected, whichever comes first.