Demo

Senior Scientist

Actalent
El Segundo, CA Full Time
POSTED ON 11/7/2025
AVAILABLE BEFORE 12/6/2025

Job Title: Senior Scientist


Job Description

We are seeking a Senior QC Scientist to support QC and assay development/qualification for the development of therapeutics in our biologics pipeline. This role involves establishing, qualifying, and conducting assays for product characterization and release/stability testing. It also includes maintaining assay-specific cell banks for cell-based assays and generating reference data for assay qualification and comparability assessments. The successful candidate will work within a GLP/GMP framework and participate in tech transfer of assays to the GMP manufacturing environment. Responsibilities also include hands-on performance of immunohistochemistry, PCR, flow cytometry, fibroblast proliferation, and ELISA-based assays, as well as cell and tissue culture, cell banking, and cell-based assay performance.

Responsibilities

  • Develop, optimize, qualify, and transfer protein, immunologic, and nucleic acid-based assays to GMP manufacturing environment.
  • Oversee validation for the biologics portfolio where appropriate.
  • Demonstrate proficiency in molecular biology techniques such as sample preparation, nucleic acid amplification and purification (RNA/DNA) from biologically complex tissues, qPCR, and related techniques.
  • Provide or oversee the provision of data reports necessary for completion of Certificate of Analysis to support lot release of biomanufactured products.
  • Generate and communicate data for critical decision-making on experimental design, clinical study considerations, and overall corporate strategy.
  • Perform and train others on appropriate documentation procedures to meet GXP Quality standards.

Essential Skills

  • Assay development with 5 years of experience.
  • Cell assay development with 5 years of experience.
  • Proficiency in PCR, flow cytometry, and related techniques.
  • Experience in a GXP environment is required.

Additional Skills & Qualifications

  • BS degree with 12-14 years, MS degree with 10-12 years, or Ph.D. with 6-8 years of relevant experience in the biopharmaceutical industry.
  • Experience with assay development, qualification, and validation.

Work Environment

The position is based in an onsite lab, providing a hands-on environment for conducting scientific research and development.

Pay and Benefits

The pay range for this position is $150000.00 - $180000.00/yr.

The company offers dental, vision, health benefits. Offers 401k, bonuses and PTO

Workplace Type

This is a fully onsite position in El Segundo,CA.

Application Deadline

This position is anticipated to close on Jun 30, 2025.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.

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

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

Salary : $150,000 - $180,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Scientist?

Sign up to receive alerts about other jobs on the Senior Scientist career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$145,337 - $174,569
Income Estimation: 
$153,127 - $203,425
Income Estimation: 
$139,626 - $193,276
Income Estimation: 
$164,650 - $211,440
Income Estimation: 
$130,030 - $173,363
Income Estimation: 
$125,958 - $157,570
Income Estimation: 
$120,989 - $162,093
Income Estimation: 
$74,806 - $91,633
Income Estimation: 
$71,928 - $87,026
Income Estimation: 
$145,337 - $174,569
Income Estimation: 
$103,625 - $127,928
Income Estimation: 
$88,975 - $120,741
Income Estimation: 
$68,121 - $81,836
Income Estimation: 
$71,928 - $87,026
Income Estimation: 
$125,958 - $157,570
Income Estimation: 
$139,626 - $193,276
Income Estimation: 
$194,895 - $259,743
Income Estimation: 
$192,057 - $260,440
Income Estimation: 
$249,515 - $311,938
Income Estimation: 
$155,477 - $213,492
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Actalent

Actalent
Hired Organization Address Sharonville, OH Other
Overview Actalent connects passion with purpose and our vision is to impact millions of lives through engineering and sc...
Actalent
Hired Organization Address Sioux, SD Full Time
Job Title: Mechanical PE Job Description We are seeking a Licensed (PE) Mechanical Engineer, or someone who can obtain t...
Actalent
Hired Organization Address Washington, DC Other
Job Title: System Safety Engineer Lead Job Description We are seeking a System Safety Engineer Lead for a position locat...
Actalent
Hired Organization Address Ogden, UT Other
Job Title: Phlebotomist Job Description Join a dynamic team in a busy patient service center where you will perform bloo...

Not the job you're looking for? Here are some other Senior Scientist jobs in the El Segundo, CA area that may be a better fit.

Senior Scientist

Jiangsu Surun Talent Development Group Co., Ltd., Los Angeles, CA

Data Scientist / Senior Data Scientist

DoorDash, Los Angeles, CA

AI Assistant is available now!

Feel free to start your new journey!