Senior Associate Scientist Jobs

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 a Senior 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. You will be part of a team to support the preclinical evaluation and early clinical development of mRNA and protein based viral vaccines. You will be responsible for performing and developing immunoassays supporting various viral programs to monitor the immune responses elicited by vaccine candidates. You will be using your scientific knowledge to adapt and develop standard methods and techniques by applying prior work experience and consulting others. You should possess a strong work ethic and collaborative spirit and be adaptable to fast-paced environments. It is your innovative scientific temperament that will help in making Pfizer ready to achieve new milestones and help patients across the globe. How You Will Achieve It Perform assays to analyze immune responses to vaccine candidates that include (but are not limited to) cell culture, neutralization assays, other functional antibody assays, Luminex, and ELISAs in BSL-2 environments. Generate, characterize and tract critical reagents for preclinical bio-functional studies to support vaccine development. Assist with preclinical bio-functional assay development and t

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.

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

Senior Associate Scientist, Veterinary Technician — United States - Massachusetts - Cambridge. Apply via Workday.

Senior Associate Scientist, Purification Process Development — United States - California - Foster City. Apply via Workday.

At Gilead, we’re creating a healthier world for all people. For more than 35 years, we’ve tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer – working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world’s biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference. Every member of Gilead’s team plays a critical role in the discovery and development of life-changing scientific innovations. Our employees are our greatest asset as we work to achieve our bold ambitions, and we’re looking for the next wave of passionate and ambitious people ready to make a direct impact. We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Gilead and help create possible, together. Job Description The Oncology department at Gilead Sciences is seeking an experienced and motivated Associate Scientist/ Senior associate Scientist with exceptional technical skills to support research programs focused on the discovery and development of novel therapies that mobilize the immune response against cancer. The successful candidate will be instrumental in conducting experiments and help develop novel assays to test therapeutic hypotheses and advance immune engager therapeutic candidates to selectively target tumors. Our highly diverse, collaborative, and interdisciplinary research teams utilize state-of-the-art technologies and innovative methodologies to advance novel immuno-oncology therapies in

ROLE SUMMARY: The key strategic focus within the Internal Medicine Research Unit (IMRU) is identifying novel therapies to prevent or treat metabolic diseases such as obesity and cardiovascular disease. Our goal is to build a world-class research team of dedicated scientists committed to developing a deep mechanistic understanding of the metabolic pathways underlying disease pathogenesis. As a senior scientific leader and member of the obesity discovery biology team, this individual will play a significant role in shaping the scientific direction for the obesity therapeutic area and influencing broader IMRU research strategy and portfolio priorities. The individual will help create and drive discovery research strategy across multiple programs, including target ideation, validation, translational biomarker strategy, hypothesis testing, and early clinical development within the IMRU obesity portfolio. The successful candidate will lead through both direct team leadership and influence across multidisciplinary partners, helping align scientific decisions across discovery biology, translational sciences, clinical, computational, and external collaborators. The individual will identify emerging therapeutic opportunities, advance portfolio programs with scientific rigor and urgency, and represent research strategies to internal leadership and the external scientific community. Knowledge and experience in the study of metabolic pathways are essential, and familiarity with the pathophysiology of dysmetabolic states would be advantageous. Strong self-motivation, excellent communication and interpersonal skills, and the ability to lead, mentor, and build scientific capability in a highly collaborative environment are essential. ROLE RESPONSIBILITIES: Shape and influence the scientific direction for discovery research programs aligned with IMRU therapeutic area and portfolio strategy. Ap

What You Will Achieve A Senior Scientist (R 4 ) position is available in the Upstream Process Development group within the Bioprocess R&D organization. The successful applicant will join a team of scientists and engineers focused on developing and optimizing manufacturing processes for recombinant proteins and other modalities for early- and late-phase human clinical trials. In this role, the candidate will be responsible for designing and executing laboratory experiments in bench-top bioreactors and associated scale-down equipment with the goal of developing robust, scalable, and high productivity processes. The work will also involve collaborating with pilot, clinical, and commercial production facilities to ensure accurate technology transfer, successful large-scale production and associated regulatory filing activities. The candidate may also be involved in cutting edge technology development projects that seek to improve production processes and control strategies leveraging various process analytical technologies. How You Will Achieve It Design and execute

About the Team OpenAI’s GTM Data Science team helps shape how our products are adopted, monetized, and scaled across organizations. We work at the intersection of Product, Go-to-Market, Finance, Research, and Data, turning product usage, customer evidence, and market signals into decisions that grow durable enterprise value. We’re looking for a senior Data Scientist to own the analytical strategy for enterprise knowledge-worker adoption. As ChatGPT Work and Codex become capable of research, analysis, document creation, spreadsheets, presentations, internal knowledge synthesis, and other agentic workflows, you will help determine how these products become embedded in everyday work—not merely tried once. About the Role You will define how we measure activation, retained usage, workflow depth, and value across ChatGPT Work, Codex, and connected enterprise systems. You will explain why adoption succeeds or stalls and identify the product, enablement, and commercial interventions most likely to create durable usage. This is a hands-on, zero-to-one role. You will work through imperfect telemetry, overlapping product surfaces, evolving definitions, and ambiguous business questions. You will partner closely with GTM, Product, Finance, Research, Customer Deployment, Analytics Engineering, and Data Science. Your work is successful when it changes a product, GTM, or investment decision. In This Role, You Will Define a trusted measurement framework for knowledge-worker adoption, including identity, eligible populations, activation, retained usage, penetration, workflow depth, feature adoption, and monetization. Map the knowledge-worker journey from initial exposure through first successful task, repeated workflows, multi-surface usage, and durable adoption. Identify which personas, functions, use cases, product capabilities, and account conditions are associated with deep and retained usage. Design and evaluate experiments and quasi-experiments across onboarding, enablement, wo

Job Description: Help guide report strategy, help determine important safety concerns and review medical and medical safety content that will be included or discussed in the report, including but not limited to safety signals, health authority requests, safety-related literature, adverse event case reviews, benefit-risk assessments, and overall medical assessments and conclusions. Work in collaboration with contributing team members, particularly with the reports assigned to the Global Risk Assessment and Safety Physician. Review all stages of the report that are assigned during the report authoring process, record their recommended revisions, and indicate completion of their reviews in the corresponding systems. Key Responsibilities: Provide medical and scientific judgment in the evaluation of data pertaining to the efficacy and safety of Client products including, but not limited to, PBRER-PSURs and benefit-risk evaluations Review and contribute to strategy discussions, including determination of the important safety concerns and review of draft/final data, HA feedback topics, signals, and benefit-risk evaluation. Coordinate with Global Risk Assessment and Safety Physicians regarding PBRER steps and hand-offs and collaborate with other members of the report authoring team. Review the drafts and final reports as assigned and provide feedback, which may include pre-initial, drafts, drafts, final drafts, and final reports as assigned. Experience/Qualifications: Requirement: Medical Physician Technical Skills: the ability to analyze, interpret, and present complex data in a concise and understandable scientific manner, both orally and in written format, is essential. Attention to detail: diligence in record-keeping and records organization, ability to manage high workload and critical issues, computer literate and proficiency in MS Office applications. Interpersonal skills: team player, displays initiative, strong communication, and presentation skills. I

At Gilead, we’re creating a healthier world for all people. For more than 35 years, we’ve tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer – working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world’s biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference. Every member of Gilead’s team plays a critical role in the discovery and development of life-changing scientific innovations. Our employees are our greatest asset as we work to achieve our bold ambitions, and we’re looking for the next wave of passionate and ambitious people ready to make a direct impact. We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Gilead and help create possible, together. Job Description Senior Associate, Global External Manufacturing, (Oral Solid Dosage) works to ensure uninterrupted supply of Gilead’s clinical and commercial products through execution of manufacturing campaigns within our global external contract manufacturing network, while ensuring compliance with cGMP, regulatory requirements, and environmental, health, and safety legislations. This position is part of the Manufacturing Operations group within the larger Pharmaceutical Development and Manufacturing organization (PDM). This role requires collaboration with the Development, Quality, Regulatory, Analytical, Supply Chain, and Product & Portfolio Strategy organizations within PDM to ensure su

ClinChoice is a global, full-service CRO committed to professional development, excellent work-life balance, and a quality-focused, collaborative “one-team” culture. We are currently seeking a Senior Clinical Research Associate (Senior CRA) to join our team on a full-time, permanent basis. This is a remote position based in Spain, with Barcelona as the ideal location. Regular travel to clinical trial sites is required. In this role, you will support 2–3 clinical trials and be responsible for site monitoring activities, including study start-up, conducted both on-site and remotely. You will have the opportunity to work across a diverse portfolio of projects for clients ranging from small and emerging companies to large pharmaceutical, biotechnology, medical device, and consumer health organizations. Previous experience working for a CRO is required. Join our team: you can be part of making a difference in people’s lives and experience a fulfilling and rewarding career! Main Job Tasks and Responsibilities: Keep professionally abreast of all scientific, regulatory and operational aspects relevant to the clinical projects assigned. Assist in the selection of sites, site evaluation visits, initiation visits and ensure follow-up by obtaining pre-study documentation to ensure good start-up of the investigation sites. May act as Feasibility Associate. Train site staff in all study procedures. Conduct periodic monitoring visits, including completion of monitoring visit report. Review at each visit the accuracy, legibility, completeness and quality of the Case Report Forms (CRF). Conduct source data verification and in-house review of clinical data and ensure timely resolution of data queries to guarantee reliable clinical data. Manage the investigational products (storage, inventory, dispensing records, packaging and labelling) and the trial material (Investigator Study File (ISF), CRF, questionnaires, diaries, etc.) to ensure timely and correct supply to the sit

At Gilead, we’re creating a healthier world for all people. For more than 35 years, we’ve tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer – working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world’s biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference. Every member of Gilead’s team plays a critical role in the discovery and development of life-changing scientific innovations. Our employees are our greatest asset as we work to achieve our bold ambitions, and we’re looking for the next wave of passionate and ambitious people ready to make a direct impact. We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Gilead and help create possible, together. Job Description We are seeking a highly motivated, attentive, and self-driven candidate to join our team, Biologics Pivotal Formulation and Process Development, as a Senior Research Associate. Once onboarded, the successful candidate will contribute in developing formulation and drug product processes for innovative molecules in pivotal clinical and commercial stages. The candidate will have tremendous opportunities for career growth in a fast-paced and resource-rich environment through training and professional relationships. The ideal candidate is expected to be action oriented with high expectations of themselves and others. They should have good verbal and written communication interpersonal skills. <

Role Summary Pfizer Commercial Oncology is introducing the world to the next era of cancer care. With a growing portfolio of novel therapies, industry-leading R&D, and a goal of delivering eight breakthroughs by 2030 across major cancer types, we're translating cutting-edge science into market-shaping impact. Here, you'll partner with exceptional colleagues across scientific, medical, and manufacturing teams, backed by advanced digital and AI-enabled infrastructure and the authority to accelerate medicines from discovery to delivery. Guided by our values of courage, excellence, equity, and joy, you'll have the opportunity to stretch your skills and build a career that evolves with you—across teams, roles, and the Pfizer enterprise. Join us to make history — for patients, for their families, for the future. The Senior Oncology Account Specialist (SOAS) will have a variety of responsibilities, ranging from promoting Pfizer’s product portfolio to health care providers and specialists, to educating members of the healthcare community regarding the appropriate use of Pfizer products, to calling on accounts and organized customers to help improve patients’ experience with Pfizer products, as well as the overall quality of patient care delivered. The SOAS plays a critical role in increasing Pfizer’s brand with high-value target customers by linking an insightful assessment of the account and/or business landscape with a strong understanding of Pfizer’s products and resources. BASIC QUALIFICATIONS BA/BS Degree from an accredited institution BA/BS Degree from an accredited institution OR an associate’s degree with 8&#43; years of experience; OR a high school diploma (or equivalent) with 10&#43; years of relevant experience. Ability to travel domestically and stay overnight as necessary Valid US driver’s license and driving record in compliance with company

Role Summary Pfizer Commercial Oncology is introducing the world to the next era of cancer care. With a growing portfolio of novel therapies, industry-leading R&D, and a goal of delivering eight breakthroughs by 2030 across major cancer types, we're translating cutting-edge science into market-shaping impact. Here, you'll partner with exceptional colleagues across scientific, medical, and manufacturing teams, backed by advanced digital and AI-enabled infrastructure and the authority to accelerate medicines from discovery to delivery. Guided by our values of courage, excellence, equity, and joy, you'll have the opportunity to stretch your skills and build a career that evolves with you—across teams, roles, and the Pfizer enterprise. Join us to make history — for patients, for their families, for the future. The Senior Oncology Account Specialist (SOAS) will have a variety of responsibilities, ranging from promoting Pfizer’s product portfolio to health care providers and specialists, to educating members of the healthcare community regarding the appropriate use of Pfizer products, to calling on accounts and organized customers to help improve patients’ experience with Pfizer products, as well as the overall quality of patient care delivered. The SOAS plays a critical role in increasing Pfizer’s brand with high-value target customers by linking an insightful assessment of the account and/or business landscape with a strong understanding of Pfizer’s products and resources. BASIC QUALIFICATIONS BA/BS Degree from an accredited institution BA/BS Degree from an accredited institution OR an associate’s degree with 8&#43; years of experience; OR a high school diploma (or equivalent) with 10&#43; years of relevant experience. Ability to travel domestically and stay overnight as necessary Valid US driver’s license and driving record in compliance with company