Associate Scientist, In Vitro Pharmacology

Position Summary Pfizer is seeking a motivated Senior Associate Scientist to join the In Vivo Pharmacology group within the Oncology Research Unit, with a focus on antibody-drug conjugate (ADC) programs, but including other large molecule and small molecule programs. This role supports the execution of in vivo oncology studies that enable ADC discovery and preclinical development, including efficacy, tolerability, pharmacodynamic, and sample collection workflows. The ideal candidate will demonstrate strong technical aptitude, careful attention to detail, and a commitment to animal welfare, compliance, and high-quality study execution. The Senior Associate Scientist is expected to contribute as a dependable technical team member while building scientific understanding of oncology pharmacology and ADC-specific study requirements. Position Responsibilities Execute in vivo oncology studies supporting discovery programs using a variety of in vivo models including human cell line- derived, patient-derived xenograft, syngeneic models as appropriate with minimum guidance from study leads. Perform routine and advanced in vivo procedures, including tumor measurements, body weight monitoring, test article administration (IV, PO, subQ, IP dosing), clinical observations, and sample collection. Perform routine in vitro tissue culture procedures Support pharmacology studies evaluating efficacy, tolerability, pharmacodynamic biomarkers, dosing schedules, and combination approaches. Prepare study materials, confirm dosing and sampling schedules, and ensure study activities are performed according to approved protocols and SOPs. Maintain accurate, timely, and compliant study records using approved electronic data capture and documentation systems. Communicate study observations, technical issues, animal welfare concerns, and timeline risks promptly to managers and study line leads. Collabo

Why Patients Need You Pfizer’s purpose is to deliver breakthroughs that change patients’ lives. Research and Development is at the heart of fulfilling Pfizer’s purpose as we work to translate advanced science and technologies into the therapies and vaccines that matter most. Whether you are in the discovery sciences, ensuring drug safety and efficacy or supporting clinical trials, you will apply cutting edge design and process development capabilities to accelerate and bring the best-in-class medicines to patients around the world. What You Will Achieve As an Associate Scientist, you will be at the center of our operations and you’ll find that everything we do, every day, is in line with an unwavering commitment to quality. In this role, you will join a team of scientists focused on optimizing biologics reagents for vaccine programs. Your primary role is to support, assist and deliver reagents for nonclinical and clinical targets within Vaccines. Likewise, you’re expected to have a strong foundation in general scientific practice and the principles and concepts that will support meeting critical deadlines. You will be performing aseptic serological processing, preparation of buffers, and growing bacterial cultures, as necessary. All work is to be done in a compliant manner according to relevant SOP guidelines and GLP and/or GMP guidelines, as required. How You Will Achieve It Perform aseptic serological processing, reagent preparation, and bacterial culture growth to support high throughput clinical and nonclinical testing in Vaccines. Complete all work in compliance with SOPs, safety guidelines, and Good Laboratory Practice (GLP) requirements. Utilize time management, organization, detail orientation, and strong interpersonal skills to effectively perform tasks to support clinical immunology and diagnostics. Complete ad h

ROLE SUMMARY The primary purpose of this job role is to function as a member of the Sample Logistics (SL) operations within Pfizer Vaccine Research and Development (VRD). The incumbent will be responsible for receiving samples from global clinical/study trials according to approved protocols and processes. The individual will participate in all aspects of tracking and documenting the chain of custody of samples. The incumbent’s role will include sample receipt, documentation, storage, tracking, aliquoting, distribution to the testing labs, and sample disposal. The colleague will work in a team setting and will share roles and responsibilities as assigned by the team leader/manager. ROLE RESPONSIBILITIES The incumbent will be required to complete all processes as detailed in Sample Management’s Standard Operating Procedures. The colleague will perform job responsibilities in compliance with GXP and all other regulatory agency requirements. The candidate will receive samples from clinical trial sites and enter samples into an electronic database management system. Performs sample storage and retrieval using manual freezers and BiOS (automated freezer storage system). Performs manual sample aliquoting and aliquoting using the Hamilton robotic instrument. <span style="color:#

ROLE SUMMARY The primary purpose of this job role is to function as a member of the Sample Logistics (SL) operations within Pfizer Vaccine Research and Development (VRD). The incumbent will be responsible for receiving samples from global clinical/study trials according to approved protocols and processes. The individual will participate in all aspects of tracking and documenting the chain of custody of samples. The incumbent’s role will include sample receipt, documentation, storage, tracking, aliquoting, distribution to the testing labs, and sample disposal. The colleague will work in a team setting and will share roles and responsibilities as assigned by the team leader/manager. ROLE RESPONSIBILITIES The incumbent will be required to complete all processes as detailed in Sample Management’s Standard Operating Procedures. The colleague will perform job responsibilities in compliance with GXP and all other regulatory agency requirements. The candidate will receive samples from clinical trial sites and enter samples into an electronic database management system. Performs sample storage and retrieval using manual freezers and BiOS (automated freezer storage system). Performs manual sample aliquoting and aliquoting using the Hamilton robotic instrument. Ship samples and lab supplies to external and internal testing labs. Assists in the general maintenance of the Hamilton robotic instruments. Participates in the shipment discrepancy resolution process. Completes documentation according to cGMP/GLP and all other regulatory agency requirements and archives documents as per applicable policies. Carries out sample disposal/sample destruction according to regulated policies and procedures Performs other duties as assigned. QUALIFICATIONS Must Have Bachelor of Science Degree or Bachel

ROLE SUMMARY This is a laboratory-based position within the Vaccine Research and Development, EBPD – Analytical GLP laboratory group. The individual will perform routine sample testing, assay verification and qualification studies in support of material characterization for vaccine GLP toxicology studies. Assays include but are not limited to enzyme-linked immunosorbent assays (ELISAs) and other plate-based testing, Antigenicity by MSD and Hamilton, HPLC, spectroscopic techniques (UV-Vis), Endotoxin, Bioburden, pH and Appearance. This position will require work on fast-moving high-visibility projects within regulated GLP laboratory environment. ROLE RESPONSIBILITIES Under direct supervision, perform sample testing in support of toxicology studies, including release, stability, and assay qualification. Ability to perform necessary calculations independently and discuss conclusions with their manager. Document experiments and analyze data from sample testing and method qualification experiments using an electronic laboratory notebook and LIMS with guidance. Contribute to the authoring of technical documents including assay qualification reports, analytical test methods, stability protocols/reports. Assure safety and compliance. Provide daily laboratory operations support. QUALIFICATIONS Basic Qualifications: BS or BA degree in biology or related discipline with 0- 2 years relevant experience. · Basic knowledge of bioassay analytical techniques. Strong verbal and written communication skills. Proficiency with personal computers including word processing, spreadsheets, PowerPoint and relevant scientific software is required. Preferred Qualifications: Prior experience work

What You Will Achieve A Senior Associate Scientist (R2) position is available in the Conjugation Process Development group of Bioprocess R&D in USA - WA - Bothell. We’re seeking a passionate and creative individual to join a dynamic team of scientists and engineers focused on developing robust, scalable, and high productivity conjugation processes for the manufacture of antibody-drug conjugates (ADCs) for early- and late-phase clinical programs. The work will also involve working with commercial and clinical production facilities to ensure accurate technology transfer and successful large-scale production. You may also be involved in cutting-edge technology development projects that seek to discover new innovations for ADC process development and/or manufacturing. How You Will Achieve It Design, plan, and execute milligram to gram-scale conjugation experiments in the development laboratory. Ensures timely, effective, and high-quality documentation in electronic laboratory notebooks and internal technical reports. Communicate results and findings to stakeholders on a regular basis; present data/strategy to colleagues and management in internal and external venues (technical meetings, project team meetings, and conferences, etc.) as appropriate. Assist in or lead the technology transfer of manufacturing processes to clinical and commercial manufacturing facilities. Provide support and troubleshoot during manufacturing campaigns as needed. Work collaboratively with colleagues both within the group and cross-functionally; contribute to maintaining and improving upon our safe, effective and efficient lab operations. Qualifications Must-Have BS/BA in Chemistry, Biochemistry, Chemical/Biochemical Engineering, or other related disciplines with 3-4 years of experience, or MS in the above fields with 0-2 years of experience.