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Research Associate - II

Job in Oceanside, San Diego County, California, 92056, USA
Listing for: ATR International
Full Time position
Listed on 2026-06-02
Job specializations:
  • Engineering
    Research Scientist, Biotechnology
  • Research/Development
    Research Scientist, Biotechnology
Job Description & How to Apply Below
Position: Research Associate - II*
Sr Research Associate
Employer is seeking a Sr Research Associate I with experience in protein purification process development and process characterization.

Essential Duties and

Job Functions:

Plan and execute assigned experiments on-site that support Process Development activities and project goals.

Select appropriate methods and techniques for performing experiments.

Develop skills in data analysis and interpreting experiment outcomes including the ability to evaluate data quality and recognize anomalous results.

Recommend alternatives, research new methods and techniques and proactively seek out senior personnel to discuss potential solutions to problems.

Participate in group meetings and present results, data interpretation and conclusions.

Demonstrate strong verbal communication and interpersonal skills including the ability to explain processes used to achieve results of assigned tasks.

Work with team oriented, collaborative and problem-solving mindset.

Always work with safety in mind Able to work with highly potent compounds upon training.

Requirement:

Knowledge,

Experience and Skills:

Preferred degree in Chemical/Biochemical Engineering, Biochemistry, Chemistry or a related scientific discipline.
Prior experience in biologics purification, with an emphasis on conjugation, tangential flow filtration (UF/DF), and filtration.
Prior experience in analytical operations: SEC/HPLC, CE (R/), HCP testing is beneficial, but not required.
Knowledge of cGMPs, technology transfer, and scaling up bioprocesses.
Must be able to work effectively in cross-functional teams.
Must demonstrate excellent technical writing skills.
Working understanding of downstream process development including centrifugation, normal and tangential flow filtration, chromatography operations, and virus clearance The ability to demonstrate hands on experience in several of these areas is expected

Experience with multiple modalities (mAbs, bispecifics, fusion and antibody drug conjugates, virus particles) produced in microbial and mammalian expression systems is a plus.

Ability to work effectively within the purification team to help design and execute experiments supporting process definition, optimization, and characterization with an increasing level of independence.

Ability to collaborate with Technical Operations during technology transfer from process development to GMP manufacturing, including serving as a process development representative during purification operations, providing technical troubleshooting and identifying opportunities for future process and equipment improvements The candidate will also contribute to the preparation of regulatory filings and process validation and characterization reports.

Ability to effectively communicate ideas, project goals and results and should have the ability to proactively identify issues and suggest solutions in a collaborative, multidisciplinary environment This is a highly collaborative environment where willingness and ability to communicate and work effectively with individuals across various teams is essential.

Self-motivated, organized, and enjoy scientific investigation and thinking The candidate will monitor and contribute to external literature and scientific conferences.

Basic Qualifications:

BS degree in a relevant scientific discipline and 2+ years of relevant experience OR
MS degree in a relevant scientific discipline and 0+ years of relevant experience

Benefits:

Benefits
Full-time employees (working an average of 30 hours or more) are eligible to select from different benefits packages Packages may include medical, dental, and vision benefits, a 401(k) retirement savings plan with employer match (available after 1 year of employment), commuter benefits, employee discount and referral programs, and life and supplemental income insurance Paid sick leave is provided in accordance with applicable state and local laws.

Compensation
Final offer amounts, within the base pay set forth above, are determined by factors including your relevant skills, education, and experience, as well as the benefits package you select.

Work Authorization
ATR International, Inc cannot sponsor work visas (H-1B, F-1 STEM OPT with I-983, or similar) Candidates must have valid U.S work authorization.

ATR International, Inc is an equal opportunity employer We celebrate diversity and are committed to creating an inclusive environment for all employees.
Position Requirements
10+ Years work experience
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