Posted 1 October, 2026
Job Id: 631379
Scientist II
Job Description
Target PR Range: 43-53/hr
*Depending on experience
Job Description:
The Biologics CMC Development team has a long and rich history of biologics development. Now located in a new state of the art facility in South San Francisco, the team leverages its comprehensive end-to-end CMC capabilities to work collaboratively through all phases of CMC development with a primary focus on advancing complex biologic therapies, such as bi-specifics and novel modalities, to human clinical studies and eventual licensure. This Scientist I role is within a team of highly experienced scientists and managers who have directly enabled the development/IND submissions of 20+ novel oncology drugs and successfully filed two BLAs.
This position is an onsite role in a lab-based function. To be successful candidates must enjoy and thrive in an onsite, highly collaborative lab environment with daily face-to-face cross-functional interactions between scientists.
Responsibilities include:
- Scale-up protein purification processes, including Affinity/IEX/HIC/MM chromatography, nanofiltration, depth filtration and ultrafiltration/diafiltration
- Large scale buffer preparation to support scale-up processes
- Operate, troubleshoot, and maintain pilot-scale bioprocess equipment such as depth filtration systems, chromatography skids, virus filtration systems, TFF skids, mixers, tanks, pumps, and single-use assemblies
- Perform pre-run readiness activities, including equipment setup, column packing/qualification, buffer/media verification, and raw material staging
- Support incoming transfer processes to scale-up lab to support GLP toxicology study material production and outgoing transfer processes to GMP manufacturing site for clinical material production
- Work efficiently, collaboratively, and cross-functionally toward project timelines and goals
- Author standard operating procedures (SOPs), technical reports and maintain well-documented records in an electronic lab notebook (ELN)
- Author and deliver technical presentations
Qualifications
Basic:
- Bachelor’s Degree or equivalent education and typically 5 years of experience and MS or equivalent education and typically 2 years of experience
- Must have CMC protein purification development experience with standard bioprocess unit operations such as chromatography separations (resin/membrane: affinity, CEX, AEX, HIC, MM) and filtration operations (depth filtration, virus filtration, sterile filtration, TFF)
- Must have excellent attention to detail and ability to keep detailed written records
- Demonstrated ability to independently design, execute and interpret critical experiments to answer scientific questions
- Demonstrated ability to learn, understand and master new experimental techniques
- Able to work collaboratively within and outside of the group
- Able to author technical reports and presentations
- Has understanding of biochemistry and bioprocess engineering concepts
- Has strong planning and analytical skills
- Experience with AKTA chromatographic instruments (such as AKTA Ready, AKTA process, AKTA Avant, AKTA Purifier, AKTA Pure or similar), TFF skids (such as Sartoflow 1000 or similar)
- Demonstrated scientific writing skills and strong verbal communication skills including scientific data presentations
- Has proficiency with Microsoft Office software, ability to learn new software applications
Preferred:
- Has hands on experience with executing antibody or antibody-like molecule purification techniques including resin chromatography (affinity, CEX, AEX, MMC), depth filtration, virus filtration, membrane chromatography, and TFF operations, preferably at pilot or GMP scale
- Has hands on experience with unit operation development including cell culture harvest, affinity chromatography, polishing chromatography, virus filtration and ultrafiltration/diafiltration.
- Understanding of analytical techniques, such as HPLC, LAL, and ELISA
- Has hands on experience with high-throughput technologies and automation
Equal Opportunity Employer
We are proud to be an equal opportunity employer. We welcome and encourage applications from all qualified candidates regardless of race, sex, gender identity or expression, disability, age, religion or belief, sexual orientation, or any other characteristic protected by applicable laws and regulations. It is our policy not to discriminate against any applicant or employee, and we are committed to fostering a diverse, inclusive, and respectful work environment across all locations in which we operate. We believe that diversity, equity, and inclusion are fundamental to our mission and enhance our ability to serve clients globally. If you have a disability or require any reasonable accommodations during the application or interview process, please inform your recruiter or contact us directly so that we can explore the appropriate arrangements.
Fraud Alert
Candidate safety is a top priority at Planet Pharma. The industry has seen an increase in people falsely representing themselves as recruiters to gather personal information from job seekers. For your safety, do not provide sensitive data to anyone you have not spoken with thoroughly, never provide banking information during the application process and always double check the email address of the Recruiter to ensure it’s from an official Planet Pharma domain (@planet-pharma.com, @planet-pharma.co.uk, and @ppgadvisorypartners.com) and not a domain with an alternative extension like .net, .org or .jobs.