Principal Scientist, Nonclinical Drug Safety Program Discovery
$176.2k - $277.3kMSD
Job Description Principal Scientist, Nonclinical Drug Safety Program Discovery - Equivalent in level to Scientific Director We are seeking a Discovery Program Leader (DPL) to represent Nonclinical Drug Safety (NDS) on discovery research teams and in scientific and strategic review meetings focused primarily on immunology and oncology. This position requires exceptional leadership, collaboration, and independence, and a passion to work collaboratively across functions and sites to discover novel medicines that improve the lives of patients. The Discovery Program Leader is responsible for defining and overseeing the NDS strategy for programs in all modalities (including small molecules, peptides, biologics and ADC programs) from Target Identification through to the approval of First-In-Human enabling GLP toxicity studies. They are responsible for 1) providing risk assessments for targets, 2) de-risking strategies for discovery programs and 3) collaborating with NDS staff at other sites to execute on the appropriate studies to support selection of therapeutic targets, and the identification and development of new drug candidates. The DPL may also serve on development teams with responsibility for defining the GLP toxicology study strategy and execution, and for the non-clinical safety sections of regulatory documents that support clinical trials and worldwide marketing authorization. In this role you will: Represent NDS on discovery teams and participate in therapeutic area discovery governance committee reviews. Promote and facilitate creative thinking from target identification/validation through lead optimization, primarily in the Immunology Therapeutic Area, but also Oncology, Cardiometabolic, Infectious Disease and/or Neuroscience Therapeutic Areas. Be a “drug creator” and promoter of innovative thinking by influencing both cross-site disease area aligned groups, as well as functional area disciplines. Identify and assess potential risks associated with therapeutic targets or development candidates using available literature, internal data, and external information. The individual may also lead early development teams, informing on preclinical studies to support product development. Qualifications, skills and experience needed: PhD in Toxicology, Pharmacology, Pathology, Biology, Biochemistry, Immunology, Pharmaceutical Sciences, Chemistry, or related STEM field, DVM, MD degree or equivalent. Minimum 8+ years of demonstrated pharmaceutical industry experience as a non-clinical safety scientist (e.g. Toxicology, Pathology etc.) and/or as non-clinical safety assessment representative to a cross-functional development and/or discovery teams. Demonstrated ability to successfully navigate cross-functional lines and drive team decision making in a matrix organizational structure. Highly dedicated, motivated, resilient, and flexible; capable of creative problem solving and delivering on goals and objectives in a timely fashion. Excellent team player who can work collaboratively with discovery team members from various functions, other DPLs and scientists responsible for study conduct and portfolio management. Excellent interpersonal skills, able to establish good working relationships within networks of employees of all levels. Excellent communicator who knows when and how to speak up, and appropriately raise issues to stakeholders and to management. Preferred experience: Background in immunology is preferred. Experience with biopharmaceutical and small molecule pharmaceutical development and/or discovery. Experience with regulatory submissions and responses. Member of pharmaceutical consortia and/or external scientific or professional organizations. #EligibleforERP Required Skills: Adaptability, Combination Products, Drug Development, Drug Discovery Process, Immunology, Immunotherapy, Innovative Thinking, Oncology, Professional Collaboration, Professional Networking, Safety Evaluation, Strategic Thinking, Toxicology Preferred Skills: Current Employees apply HERE Current Contingent Workers apply HERE US and Puerto Rico Residents Only: Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities. Please click here if you need an accommodation during the application or hiring process. As an Equal Employment Opportunity Employer, we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or other applicable legally protected characteristics. As a federal contractor, we comply with all affirmative action requirements for protected veterans and individuals with disabilities. For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit: EEOC Know Your Rights EEOC GINA Supplement We are proud to be a company that embraces the value of bringing together, talented, and committed people with diverse experiences, perspectives, skills and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas, broad experiences, backgrounds, and skills come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another’s thinking and approach problems collectively. Learn more about your rights, including under California, Colorado and other US State Acts The salary range for this role is $176,200.00 - $277,300.00 This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employee’s position within the salary range will be based on several factors including, but not limited to relevant education, qualifications, certifications, experience, skills, geographic location, government requirements, and business or organizational needs. The successful candidate will be eligible for annual bonus and long-term incentive, if applicable. We offer a comprehensive package of benefits. Available benefits include medical, dental, vision healthcare and other insurance benefits (for employee and family), retirement benefits, including 401(k), paid holidays, vacation, and compassionate and sick days. More information about benefits is available at You can apply for this role through (or via the Workday Jobs Hub if you are a current employee). The application deadline for this position is stated on this posting. San Francisco Residents Only: We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance Los Angeles Residents Only: We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance Search Firm Representatives Please Read Carefully Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails. Employee Status: Regular Relocation: Domestic VISA Sponsorship: Yes Travel Requirements: 10% Flexible Work Arrangements: Hybrid Shift: Not Indicated Valid Driving License: No Hazardous Material(s): n/a Job Posting End Date: 07/31/2026 *A job posting is effective until 11:59:59PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date. Our company is a global health care leader with a diversified portfolio of prescription medicines, vaccines and animal health products. The difference between potential and achievement lies in the spark that fuels innovation and inventiveness; this is the space where we have codified our legacy for over a century. Our success is backed by ethical integrity, forward momentum, and an inspiring mission to achieve new milestones in global healthcare.
$159.6k - $251.2k
...motivated and innovative Associate Principal Scientist to join our Discovery Oncology team in South San Francisco... ...track record in oncology and drug discovery and will lead the conception... ...execution of discovery‑stage research programs. In this role, you will partner...PrincipalFor contractorsLocal areaRelocationVisa sponsorshipFlexible hoursShift work$144.9k - $269.1k
...an exceptional computational scientist to apply cutting-edge computational... ...on peptide therapeutic discovery. The ideal candidate will possess... ...modalities. AI/ML for Drug Discovery: In collaboration with... ...in Python or other relevant programming languages. Experience with cloud...PrincipalLocal areaRelocation package$167.4k - $310.8k
...computational sciences are transforming drug discovery and development. Roche's... ...(AI) to assist our scientists in both pRED and gRED to deliver... ...We are seeking a Senior or Principal Machine Learning Scientist... ...that support active discovery programs. As a Senior ML Scientist...PrincipalLocal areaWorldwideRelocation package$159.6k - $251.2k
...the Cardiometabolic Disease Discovery Biology organization, we are... ...We are seeking an Associate Principal Scientist with strong expertise in respiratory... ...efforts across respiratory programs by integrating disease... ...relevant preclinical and drug discovery experience Required...PrincipalFor contractors$159.6k - $251.2k
SwiftCruit is seeking an Associate Principal Scientist for its Discovery Oncology team in South San Francisco. This role involves leading innovative research in oncology and drug discovery while collaborating with cross-functional teams to advance cancer therapies. The...Suggested- Principal Scientist PKDM (Large Molecule Project Team Representative... ...a Pharmacokinetics and Drug Metabolism Bioanalytical... ...supporting large molecule discovery and early development programs. You will work cross-... ...IND-enabling activities, nonclinical summaries, and pharmacokinetic...PrincipalFlexible hours
$166.77k - $202.09k
...Role Experienced, creative, collaborative scientist for Biotherapeutics Computational Design... ...-based methods to accelerate biologics discovery (antibodies, multispecifics, ADCs, novel... ...0–$190,117). Health coverage; wellbeing programs; 401(k), disability, life/insurance;...PrincipalFlexible hours$124.3k - $230.9k
...a highly motivated Senior Scientist or Principal Scientist with a strong record... ...challenges, supporting programs from discovery through clinical... ...analytical problems during drug discovery and development.... ...development, formulation, safety science, quality, etc.) to...PrincipalLocal areaRelocation package$124.3k - $230.9k
...highly motivated Senior Scientist or Principal Scientist with a strong record... ...to advancing programs spanning discovery through clinical development... ...peptides, oligonucleotides, and drug delivery systems (e.g.,... ...development, formulation, safety science, quality, etc.)...PrincipalLocal areaRelocation package$231.9k - $365k
...innovative research, discovery, and development of life... ...inform SAR and program progression Advise and... ...QB and DPTM , guiding scientists and multidisciplinary... ...target and end‑to‑end nonclinical pharmacology planning... ...mechanistic pharmacology, drug discovery, and preclinical...For contractorsImmediate start$159.6k - $251.2k
...the Cardiometabolic Disease Discovery Biology organization, we are... ...We are seeking an Associate Principal Scientist with strong expertise in respiratory... ...teams within a matrixed drug discovery environment.m... ...efforts across respiratory programs by integrating disease biology...PrincipalFull timeFor contractorsLocal areaRelocationVisa sponsorshipFlexible hoursShift work$196k - $242k
...Biosciences, Inc. is looking for a Senior Principal Research Scientist in Computational Chemistry in South... ..., CA. This role involves leading drug design efforts and mentoring while... ...environment, you will be integral to discovery programs aimed at developing tailored cancer...PrincipalRemote job1 day per week$196k - $242k
...Biosciences in South San Francisco is seeking a Senior Principal Research Scientist in Computational Chemistry. This senior individual-... ...pharmaceutical industry experience, focusing on advancing drug discovery programs. Responsibilities include leading drug design meetings...Principal$202.5k - $236.25k
...Research portfolio. Reporting to Head of Drug Discovery, you will bring expertise in structure-... ...play a key role in advancing discovery programs by serving as an active member of... ...experience working collaboratively with scientists and engineers Strong foundational understanding...Principal$141.5k - $321.49k
Genentech is seeking a Principal/Sr Principal Scientist in Toxicology to provide scientific leadership and support drug development, particularly in oncology and cardiovascular projects... ..., with responsibilities including safety assessments and mentoring team members. This...Principal$142.4k - $224.1k
...of novel therapeutics by partnering with Discovery Sciences and Late-Stage Clinical... ...execution of early-phase clinical trials and programs in collaboration with the Clinical Director... ...data. Maintain appropriate clinical safety assessment and risk management of compounds...PrincipalFor contractorsWorldwideRelocationVisa sponsorshipFlexible hoursShift work$141.5k - $262.9k
...Department of Translational Safety at Genentech provides... ...role in the process of drug development from the discovery phase through marketed... .... We are seeking a Principal/Sr Principal Scientist in Toxicology to support... ...toxicology representation to programs. The successful...PrincipalLocal areaRelocation package- Principal Scientist-PKDM, Modeling and Simulation What You Will Do Contribute to Amgen’s drug discovery and development portfolio with a focus on understanding pharmacokinetics (PK... ...based) Hands-on experience with tools/programming (e.g., R, Simbiology, MATLAB, R, C) Critical...PrincipalFlexible hours
$143.2k - $266k
Principal Scientist - Immunology & Human Genetics A position is available in the Ye Laboratory at... .... Lead an independent research program focused on human antigen processing and... ...applying genetic approaches to target discovery and biological mechanism elucidation....PrincipalRelocation package$147.8k - $274.4k
...sciences are transforming drug discovery and development. Roche’s Research... ...(AI) to assist our scientists in both pRED and gRED to deliver... ...and collaborative Senior/Principal Machine Learning Scientist... ...Proficiency in scientific programming in Python. Extensive experience...PrincipalLocal areaWorldwideRelocation package$175k - $205k
Principal Scientist, Functional Genomics About Xaira Therapeutics Xaira is an innovative biotech... ...on leveraging AI to transform drug discovery and development. The company is leading... ..., and prioritization across multiple programs and platform initiatives Present scientific...PrincipalFlexible hours$120.7k - $224.1k
...Department of Translational Safety is seeking a highly motivated Senior Scientist / Principal Scientist to develop,... ...organoids, for drug development. Responsibilities... ...future of ocular drug discovery and development.... ...therapeutic strategies and program needs. Analyzing,...PrincipalLocal areaRelocation package- Yoh Services LLC is looking for a Principal Research Scientist in Cancer Biology to lead innovative studies in tumor biology. The role... ...experiments while collaborating in a high-priority discovery program essential for drug development. The ideal candidate will possess...Hourly pay
- Deep Apple Therapeutics in South San Francisco is seeking an outstanding Scientist to join our biology drug discovery team. You will design and execute in vitro biology programs to advance novel drug targets from concept to pre-clinical proof-of-principle. The ideal candidate...
$175k - $190k
...Therapeutics, an antibody discovery engine founded by... ...is looking to add a Principal Scientist, Translational Research... ...Jade’s pipeline programs, including mechanism‑... ...Clinical Pharmacology, and Nonclinical teams to ensure... ...Strong understanding of drug development, including...PrincipalRemote work$150.7k - $279.9k
...strategies. Opportunity We are seeking a Principal Scientist (Bioinformatics track) to lead cutting... ...that directly accelerates target discovery and translation—particularly in Neuroscience... ...inference. Strong statistical and programming skills (e.g., Python and/or R) and commitment...PrincipalLocal areaRelocation package- ...Inc. in South San Francisco seeks a Senior Scientist in Computational Biology. The role involves developing methods for target discovery, applying AI/ML technologies, and... ...biology or related fields, and demonstrate programming skills in Python and R. A competitive benefits...Flexible hours
$110k - $138k
Principal Associate Scientist Location: Brisbane, CA. About Xaira Therapeutics Xaira... ...AI to transform drug discovery and development. The company... ...updated understanding of program needs. Maintain accurate... ...compliance with laboratory safety protocols and contribute to...PrincipalFlexible hours- ...transforming your career. Principal Scientist-PKDM, Modeling and Simulation... ...to Amgen’s diverse discovery and development portfolio of... ...of small and large molecule drug candidates being developed... ...with relevant software or programming languages (e.g. R, Simbiology...PrincipalFlexible hours
$141.5k - $262.9k
...with the people we love. The Principal Scientist in Translational Medicine... ...support one or more translational programs contributing to the clinical... ...are excited to help bridge discovery science and clinical... ...in oncology. Prior industry drug development experience is not...PrincipalLocal areaWorldwideRelocation packageShift work3 days per week
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Scientist, Nonclinical Drug Safety Program Discovery. Be the first to apply!
- r&d scientist South San Francisco, CA
- quality control scientist South San Francisco, CA
- machine learning research scientist South San Francisco, CA
- principal applied scientist South San Francisco, CA
- bioanalytical scientist South San Francisco, CA
- validation scientist South San Francisco, CA
- scientist South San Francisco, CA
- qc scientist South San Francisco, CA
- remote scientist South San Francisco, CA
- protein scientist South San Francisco, CA

