The Associate Scientist will design and execute complex cell-based assays to characterize novel biologics, including ADCs and T-cell engagers. They are responsible for data interpretation, maintaining laboratory cultures, and collaborating with cross-functional teams to drive oncology research projects.
Requirements summary
Requires a PhD with 0-1 years of experience or an MS with 5+ years of experience in cell biology, immunology, or a related field. Proficiency in tissue culture and cell-based assays is mandatory, with expertise in flow cytometry and ELISA highly desired.
Associate Scientist, Oncology Research Headquarters Location
South San Francisco, CA,
Company relocating to
Emeryville,
CA
Fall of 2026
Candidate
Location:
Hybrid
Travel
Required: <5%
Reports To:
Senior
Scientist
II
Department:
Oncology
Research
Position
Type:
Full-time,
Exempt
About
CytomX
Therapeutics: CytomX Therapeutics, Inc. is committed to changing the treatment of cancer with our novel PROBODY® therapeutic platform. Our commitment to transforming lives with safer, more effective therapies is driven by our curiosity and passion for innovation and our belief that by acting with integrity in an honest, respectful, ethical manner, we have the power to change lives. Our workplace embodies collaboration, open communication, celebrating our successes, and holding each other to the highest possible standards. CytomX’s robust and differentiated pipeline comprises therapeutic candidates across multiple treatment modalities including antibody-drug conjugates (“ADCs”), T-cell engagers, and immune modulators such as cytokines. CytomX’s clinical-stage pipeline includes CX-2051 and CX-801. Learn more at www.cytomX.com.
Who
You
Are and
What
You’ll Do: We are seeking a self-motivated and experienced Associate Scientist to join the Oncology Research team. The successful candidate will have hands-on experience developing and troubleshooting complex cell-based assays, and characterizing discovery stage novel biologics including masked T-cell engagers and ADCs to identify lead molecules. As a bench scientist, the individual will design and conduct high quality experiments independently with guidance of the supervisor, and will be responsible for data analysis and interpretation, thorough and accurate documentation of work, as well as clear and transparent communication of results in group settings including internal and external project team meetings. In this role, the individual will join a cross functional research team and interface with alliance partners. The candidate must have a proven ability to communicate effectively and work as part of a team.
Job
Responsibilities:
Follow established protocols and routinely implement a variety of cell-based assays to characterize response of immune cells and/or cancer cells to novel biologics in vitro.
Benefits
Competitive Total Rewards Program
Career Development And Growth Curriculum
Work Life Balance Support
Independently design and implement new experiments/methodologies, as needed.
Maintain cell line cultures and contribute to the overall maintenance of laboratory, including tissue culture lab space.
Independently review technical literature and contribute to developing projects via ideation.
Analyze experiments with high scientific rigor and troubleshoot assay performance as needed.
Drive projects by interpreting experimental data and planning next steps.
Keep detailed, accurate, and up-to-date records of all experimental procedures and results.
Participate in project teams and communicate results at internal and/or external meetings and contribute technical information for group presentations.
Collaborate effectively in a multidisciplinary team environment, with accountability for transparent communication and on-time deliverables.
Minimum Qualifications
MS (5+ years) or equivalent advanced degree in cell-biology, immunology, or related field; 5+ years of relevant industry experience preferred; or
PhD (0-1 year) or equivalent advanced degree in cell-biology, immunology, or related field; industry experience preferred.
Please note that a presentation of a scientific seminar is required during the interview process
Preferred Qualifications
Hands-on experience with tissue culture and proficiency in executing cell-based assays including but not limited to reporter assays, cytotoxicity assays, immune cell-based assays, is a must.
Proven expertise in laboratory techniques including flow cytometry, cytokine analysis, ELISA, MSD is desired.
Experience with early drug discovery workflows, specifically with screening of biologics is strongly preferred.
Experience in molecular biology techniques including cloning is a plus.
Ability to handle timeline pressures, and grasp project priorities to submit deliverables within designated timelines is required.
Excellent organizational skills, oral and written communication, critical thinking and problem solving skills are required.
Motivated and proactive self-starter with a positive attitude, who can quickly learn new skills and demonstrate a commitment to CytomX values of Integrity, Commitment, Creativity, Teamwork, Accountability and Fun
Must work effectively both independently and collaboratively in a dynamic, highly cross-functional team environment with colleagues from diverse disciplines. How You Will Work:
Demonstrates collaboration and teamwork. Works well with others and understands that collaboration leads to better results.
Possesses strong communication skills. Communicates clearly, concisely, and professionally. Listens actively to build understanding.
Exhibits strong interpersonal skills and self-awareness. Builds and cultivates strong and enduring relationships with others. Acts with humility and understands own strengths and weaknesses.
Shows continuous improvement and a commitment to self-management and development. Operates with a continuous improvement mindset and continuously seeks to expand own knowledge and capabilities.
Demonstrates a patient focus. Puts the patient first in actions and decisions taken. Compensation, Benefits, and So Much More
The expected salary range for this role based on the primary location for this position in California is $115,000 - $135,000 per year. Offer amounts are determined by factors such as experience, qualifications, geographic location, and other job-related factors permitted by law.
A great environment where we work collaboratively, leverage each other’s strengths, and work toward a shared vision with our common goals of doing the best thing for patients.
A robust and enduring approach to your development and career growth fueled by a strong learning curriculum and career guidance that helps you understand how you can grow your career at CytomX.
A robust and highly competitive total rewards program that helps you achieve your compensation goals while supporting a great work / life balance.
Conditions of Employment
• Background investigations are required for all positions at CytomX, consistent with applicable law. CytomX’s Commitment to Diversity, Equity, Inclusion, and Belonging (DEIB) CytomX believes that DEIB helps drive our success, and we encourage candidates from all identities, backgrounds, and abilities to apply. We are an equal opportunity employer committed to building an inclusive, innovative work environment with employees who reflect our values and ultimately, serve our patients. Therefore, in all aspects of the employment process, we provide employment opportunities to all qualified applicants without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity or expression, pregnancy, medical condition related to pregnancy, creed, ancestry, national origin, marital status, genetic information, or military status, or any other protected status in accordance with applicable law. Further, we are committed to the full inclusion of all qualified individuals. As part of this commitment, we (and the agencies we work with) will assist individuals who have a disability with any reasonable accommodation requests related to employment, including completing the application process, interviewing, completing any pre-employment testing, participating in the employee selection process, and/or to perform essential job functions where the requested accommodation does not impose an undue hardship. If you have a disability and require reasonable accommodation, or need other assistance in applying for or interviewing for this position, please direct your inquiries to Human Resources, at hr@cytomx.com Notice to Recruiters/Staffing Agencies Recruiters and staffing agencies should not contact CytomX Therapeutics through this page. We require that all Recruitment Vendors (e.g., search firms, recruitment agencies and staffing companies) have a fully executed, formal written agreement on file with CytomX prior to submitting candidates. Any resumes submitted through the website or directly by Recruitment Vendors will be considered unsolicited. Unsolicited vendor submissions do not constitute any actual or implied contract with CytomX, and CytomX will not be responsible for any purported fees. For more information, please contact our HR team at hr@cytomx.com Please review our Applicant Personal Information Processing Notice to understand what types of personal information we collect from job applicants and why we process such information.
