Senior Scientist, Safety Assessment Prime Medicine, Inc.Senior Scientist, Safety AssessmentCambridge, MA$145,000–$177,000 / yearD. in toxicology or a related field with 6+ years of pharma/biotech experience in nonclinical safety assessment, or an M.S. in toxicology or a related field with 10+ years of experience in nonclinical safety assessment, the ability to work independently, provide domain expertise and leadership, as well as cross-functionally in a fast-paced, matrixed environment with a positive, flexible attitude. Designed to make only the right edit at the right position within a gene while minimizing unwanted DNA modifications, Prime Editors have the potential to repair almost all types of genetic mutations and work in many different tissues, organs and cell types.
Executive Director, Toxicology Centessa Pharmaceuticals, LLCExecutive Director, ToxicologyBoston, MA$270,000–$300,000 / yearServe as the primary nonclinical representative on Program Development Teams (PDTs) and at internal governance and external forums, effectively championing program strategy, presenting to regulatory authorities, and holding scientific ground with senior leadership, partners, CROs, and health authorities. Lead nonclinical sub‑teams as an integrated development head, providing cross‑functional oversight across Toxicology, DMPK, Bioanalytical Sciences, and Clinical Pharmacology to ensure aligned, program‑ready nonclinical strategies.
NewLCMS Toxicology Technologist Lighthouse Lab ServicesLCMS Toxicology TechnologistBrockton, MA$36–$40 / hourThis allows the on-site technologist to focus primarily on specimen preparation, instrument operation, quality control, and day-to-day laboratory workflow rather than spending time reviewing chromatograms or interpreting patient results. Our recruiting team has over 22 years of proven success placing job seekers in positions ranging from entry level Medical Technologists to seasoned Laboratory Directors.
Executive Director, Toxicology Centessa Pharmaceuticals PlcExecutive Director, ToxicologyBoston, MA$270,000–$300,000 / yearServe as the primary nonclinical representative on Program Development Teams (PDTs) and at internal governance and external forums, effectively championing program strategy, presenting to regulatory authorities, and holding scientific ground with senior leadership, partners, CROs, and health authorities. Lead nonclinical sub‑teams as an integrated development head, providing cross‑functional oversight across Toxicology, DMPK, Bioanalytical Sciences, and Clinical Pharmacology to ensure aligned, program‑ready nonclinical strategies.
Scientist, Pharmacology and Toxicology MBX Biosciences IncScientist, Pharmacology and ToxicologyBurlington, MAThe Company's pipeline includes canvuparatide (MBX 2109) for the treatment of chronic hypoparathyroidism preparing for Phase 3 development; and an obesity portfolio that includes MBX 4291 in Phase 1 development and MBX 5765 in preclinical development, as well as additional discovery candidates. Company Overview: MBX Biosciences is a biopharmaceutical company focused on the discovery, development and commercialization of novel precision peptide therapies based on its proprietary PEP platform, for the treatment of endocrine and metabolic disorders.
Sr. Scientist- Toxicology StratAcuity Staffing Partners IncSr. Scientist- ToxicologyCambridge, MA$65–$90 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Our Cambridge based biotech client is looking for a highly motivated Senior Scientist in Toxicology to help shape the preclinical safety strategy for oligonucleotide programs across all stages of development.
Associate Director / Director, Toxicology Korro BioAssociate Director / Director, ToxicologyCambridge, MA$175,000–$260,000 / yearExperience designing, outsourcing, and overseeing nonclinical toxicology studies at external CROs, including international vendors; prior experience working with CROs in China (or broader APAC region) is highly desirable. By editing RNA instead of DNA, Korro is expanding the reach of genetic medicines by delivering additional precision and tunability, which has the potential for increased specificity and improved long-term tolerability.
Vice President Toxicology Alnylam Pharmaceuticals IncVice President ToxicologyMAStrong ability to interpret and integrate complex datasets across multiple disciplines, including pharmacology, DMPK, toxicology, and pathology, with a focus on assessing clinical relevance and impact. Lead and manage nonclinical studies and programs across a portfolio of projects, conducted internally and through CRO partners, either directly or through direct reports.
Senior Director, Toxicology Amylyx PharmaceuticalsSenior Director, ToxicologyCambridge, MARemote$269,000–$291,667 / yearDevelop and execute comprehensive nonclinical safety strategies to support clinical candidate selection, IND-enabling activities, regulatory submissions, and clinical development across multiple programs including small molecules, peptides, protein-based biologics, anti-sense oligonucleotides. This person will: Serve as a toxicology leader across a diverse and expanding pipeline spanning multiple therapeutic areas and drug modalities, shaping nonclinical safety strategy from discovery to IND-enabling and throughout clinical phases.
Senior Director, Toxicology Amylyx Pharmaceuticals IncSenior Director, ToxicologyCambridge, MARemote$269,000–$291,667 / yearDevelop and execute comprehensive nonclinical safety strategies to support clinical candidate selection, IND-enabling activities, regulatory submissions, and clinical development across multiple programs including small molecules, peptides, protein-based biologics, anti-sense oligonucleotides. This person will: Serve as a toxicology leader across a diverse and expanding pipeline spanning multiple therapeutic areas and drug modalities, shaping nonclinical safety strategy from discovery to IND-enabling and throughout clinical phases.
Associate Director, Toxicology (Nonclinical Safety Evaluation) City TherapeuticsAssociate Director, Toxicology (Nonclinical Safety Evaluation)Cambridge, Massachusetts$174,000–$196,000 / yearThe Ideal Candidate • PhD or DVM, or equivalent advanced degree in Toxicology, Pharmacology, Pathology, Veterinary Sciences, or a related field, with 5+ years, Masters with 7+ or a Bachelors with 10+ of relevant experience in biotech or pharmaceutical drug development, or direct experience as a Study Director at a GLP-qualified CRO.• Strong experience overseeing outsourced nonclinical safety studies and critically reviewing protocols, data, and final reports.• The Role We’re seeking an Associate Director, Nonclinical Safety Evaluation (NSE) who will play a pivotal role in overseeing and critically evaluating nonclinical safety studies across City’s RNAi therapeutic programs.
Scientist, Pharmacology And Toxicology MBX BiosciencesScientist, Pharmacology And ToxicologyBurlington, MAThe Company's pipeline includes canvuparatide (MBX 2109) for the treatment of chronic hypoparathyroidism preparing for Phase 3 development; and an obesity portfolio that includes MBX 4291 in Phase 1 development and MBX 5765 in preclinical development, as well as additional discovery candidates. Company Overview: MBX Biosciences is a biopharmaceutical company focused on the discovery, development and commercialization of novel precision peptide therapies based on its proprietary PEP platform, for the treatment of endocrine and metabolic disorders.
Associate Director / Director, Toxicology Beam Therapeutics IncAssociate Director / Director, ToxicologyCambridge, MA$185,000–$260,000 / yearBeam's suite of gene editing technologies is anchored by base editing, a proprietary technology that is designed to enable precise, predictable and efficient single base changes, at targeted genomic sequences, without making double-stranded breaks in the DNA. Provide toxicology support for regulatory submissions and interactions with health authorities, including the authoring of nonclinical safety sections of US and international regulatory applications, and help resolve nonclinical safety queries.
Associate Director, Toxicology Parabilis MedicinesAssociate Director, ToxicologyCambridge, MA$170,000–$210,000 / yearParabilis Medicines is seeking a highly motivated and driven Associate Director, Toxicology to lead nonclinical safety programs across a diverse pipeline built on Parabilis' clinically validated Helicon pipeline. The successful candidate will serve as the nonclinical safety lead on cross-functional project teams, working autonomously to define strategy, drive execution, influence candidate selection, and ensure robust safety assessment across our pipeline.
NewAssociate Director, Translational Toxicology, Preclinical Development Wave Life Sciences LtdAssociate Director, Translational Toxicology, Preclinical DevelopmentLexington, MA$170,000–$230,000 / yearOur diversified pipeline is focused on our obesity, alpha-1 antitrypsin deficiency and PNPLA3 I148M liver disease programs and includes clinical programs for Duchenne muscular dystrophy and Huntington's disease, as well as several preclinical programs utilizing our versatile RNA medicines platform. Design toxicity studies: coordinate with Preclinical Outsourcing for placement and monitoring of the studies as well as the Bioanalytical and DMPK groups regarding integration of bioanalysis and toxicokinetic aspects into these studies to ensure on-time delivery of key data and study reports.
Toxicology Research Scientist Vertex PharmaceuticalsToxicology Research ScientistBoston, Massachusetts$101,600–$152,400 / yearWork within a close-knit team, this individual will leverage advanced in vitro technologies, laboratory automation, and computational approaches to design, execute, analyze, and derive insights from mechanistic and phenotypic screening assays designed to evaluate the safety of new candidate molecules. The individual will work closely with cross-functional colleagues across Preclinical Sciences, Medicinal Chemistry, Data and Computational Sciences, Data Technology and Engineering, and Research with the shared goal of advancing the Vertex portfolio.
Pioneering Medicines: Senior Director, Head of Toxicology Flagship Pioneering IncPioneering Medicines: Senior Director, Head of ToxicologyCambridge, MA$228,000–$310,000 / yearFlagship has been recognized twice on FORTUNE's "Change the World" list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies, and has been named four times to Fast Company's annual list of the World's Most Innovative Companies. Harnessing the drug development expertise of its team together with the power of Flagship''s multiple scientific platforms, Pioneering Medicines explores and identifies new product concepts which are then advanced jointly with Flagship's bioplatform companies.
Associate Director / Director, Toxicology Beam TherapeuticsAssociate Director / Director, ToxicologyCambridge, MA$185,000–$260,000 / yearBeam’s suite of gene editing technologies is anchored by base editing, a proprietary technology that is designed to enable precise, predictable and efficient single base changes, at targeted genomic sequences, without making double-stranded breaks in the DNA. Provide toxicology support for regulatory submissions and interactions with health authorities, including the authoring of nonclinical safety sections of US and international regulatory applications, and help resolve nonclinical safety queries.
Associate Director / Director, Toxicology Korro Bio IncAssociate Director / Director, ToxicologyCambridge, MA$175,000–$260,000 / yearExperience designing, outsourcing, and overseeing nonclinical toxicology studies at external CROs, including international vendors; prior experience working with CROs in China (or broader APAC region) is highly desirable. By editing RNA instead of DNA, Korro is expanding the reach of genetic medicines by delivering additional precision and tunability, which has the potential for increased specificity and improved long-term tolerability.
Executive Director, Head of Toxicology Centessa Pharmaceuticals PlcExecutive Director, Head of ToxicologyBoston, MA$320,000–$350,000 / yearServe as the primary nonclinical representative on Program Development Teams (PDTs) and at internal governance and external forums, effectively championing program strategy, presenting to regulatory authorities, and holding scientific ground with senior leadership, partners, CROs, and health authorities. Lead nonclinical sub‑teams as an integrated development head, providing cross‑functional oversight across Toxicology, DMPK, Bioanalytical Sciences, and Clinical Pharmacology to ensure aligned, program‑ready nonclinical strategies.