34 Results for

Toxicology Jobs in Boston, MA

Jobs

Senior Scientist, Safety Assessment Prime Medicine, Inc.

Cambridge, MA

$145,000–$177,000 / year

D. 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.

19 days ago

Director / Associate Director – Toxicology Monte Rosa Therapeutics, Inc

Boston, Massachusetts

Full time

This is an individual contributor role by designing, conducting or overseeing studies, analyze/interpret, and report in vitro, ex vivo, and in vivo non-GLP (or GLP studies conducted at CROs) nonclinical pharmacology, PK/PD, and/or toxicology studies, in collaboration with study monitors and other scientists. The discovery toxicologist interacts directly with multidisciplinary teams including biology, medicinal chemistry, DMPK, clinical science, and outside CRO’s in research and/or development projects to move discovery candidates into development.

30+ days ago

Vice President Toxicology Alnylam Pharmaceuticals Inc

Strong 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.

30+ days ago

Senior Director, Development Pharmacology & Toxicology Intellia Therapeutics Inc

Cambridge, MA

Remote

$272,538–$333,102 / year

How You Will Achieve More: The Senior Director of Development Pharmacology & Toxicology provides strategic leadership in establishing and executing pharmacology and toxicology strategies across multiple therapeutic platforms, including nucleic acid, lipid nanoparticle, cell therapy, small and large molecule. Responsibilities: Establish and direct platform-wide testing strategies across therapeutic modalities, proactively anticipating evolving guidance from FDA, EMA, ICH and other agencies to create innovative approaches for gene editing, nucleic acid, lipid nanoparticle, and AAV products.

30+ days ago

LCMS Toxicology Technologist Lighthouse Lab Services

Brockton, MA

$36–$40 / hour

This 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.

9 days ago

Director / Associate Director - Toxicology Monte Rosa Therapeutics Inc

Boston, MA

This is an individual contributor role by designing, conducting or overseeing studies, analyze/interpret, and report in vitro, ex vivo, and in vivo non-GLP (or GLP studies conducted at CROs) nonclinical pharmacology, PK/PD, and/or toxicology studies, in collaboration with study monitors and other scientists. The discovery toxicologist interacts directly with multidisciplinary teams including biology, medicinal chemistry, DMPK, clinical science, and outside CROs in research and/or development projects to move discovery candidates into development.

30+ days ago

Senior Director, Toxicology Amylyx Pharmaceuticals Inc

Cambridge, MA

Remote

$269,000–$291,667 / year

Develop 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.

8 days ago

Associate Director, Toxicology (Nonclinical Safety Evaluation) City Therapeutics

Cambridge, Massachusetts

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. 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.

30+ days ago

Sr. Scientist- Toxicology StratAcuity Staffing Partners Inc

Cambridge, MA

$65–$90 / hour

In 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.

30+ days ago

Scientist, Pharmacology and Toxicology MBX Biosciences Inc

Burlington, MA

The 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.

11 days ago

Toxicology Research Scientist Vertex Pharmaceuticals

Boston, Massachusetts

Work 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.

30+ days ago

Associate Director / Director, Toxicology Beam Therapeutics

Cambridge, MA

$185,000–$260,000 / year

Beam'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.

30+ days ago

Associate Director / Director, Toxicology Beam Therapeutics Inc

Cambridge, MA

$185,000–$260,000 / year

30+ days ago

Pioneering Medicines: Senior Director, Head of Toxicology Flagship Pioneering Inc

Cambridge, MA

$228,000–$310,000 / year

Flagship 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.

30+ days ago

Associate Director / Director, Toxicology Korro Bio Inc

Cambridge, MA

$175,000–$260,000 / year

Experience 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.

30+ days ago

Global Project Head, Toxicology Sanofi

Cambridge, MA

$232,500–$335,833.33 / year

The Global Project Head is a senior leadership role within Sanofi's Global Preclinical Safety (PCS) organization, responsible for the direct management and strategic oversight of a team of project toxicologists supporting the Sanofi drug development portfolio. Maintain and apply deep expertise across core toxicology disciplines, including general toxicology, genetic toxicology, reproductive and developmental toxicology, carcinogenicity, immunotoxicology, and safety pharmacology.

30+ days ago

Executive Director, Head of Toxicology Centessa Pharmaceuticals Plc

Boston, MA

$320,000–$350,000 / year

Serve 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.

30+ days ago

Senior Director, Toxicology CNS Specialist Centessa Pharmaceuticals Plc

Boston, MA

$275,000–$300,000 / year

The successful candidate will work independently to direct their own program work, provide day-to-day scientific guidance to entry-level toxicology staff, and collaborate closely with peers across nonclinical and development functions. Deep expertise supporting small molecule programs across discovery, IND-enabling, and early clinical development, with demonstrated experience advancing CNS-active candidates.

30+ days ago

Head of Toxicology Innovation Sanofi

Cambridge, MA

$232,500–$335,833.33 / year

Champion the development and qualification of novel in vitro models - including organoids, microphysiological systems (MPS/organ-on-chip), and advanced cell culture platforms - to investigate mechanisms of toxicity and understand human relevance. With direct oversight of laboratory operations in France and the United States, and digital capabilities in Germany, you will lead a truly global, multidisciplinary team united by a shared commitment to scientific excellence and patient safety.

30+ days ago

Senior Principal Toxicologist Keurig Dr Pepper Inc

Burlington, MA

$130,700–$190,000 / year

This role works side-by-side with Quality, Nutrition, Chemistry, Regulatory and Legal and plays a key role in the product development process of all our food and beverage categories through application of toxicology science, consumption data and risk assessment. Company Overview: Keurig Dr Pepper (Nasdaq: KDP) is a leading beverage company with more than 150 owned, licensed and partner brands that meet a wide range of needs and occasions.

18 days ago

Senior Toxicologist Regeneron Pharmaceuticals

Cambridge, Massachusetts

Toxicologist will demonstrate a thorough understanding of GLP regulations and FDA/EMEA/ICH nonclinical safety guidelines to independently lead the design, conduct, interpretation, and reporting of regulatory toxicology and/or exploratory pharmacology/toxicology studies in rodent and non-rodent safety models. The Senior Toxicologist utilizes their scientific expertise and regulatory experience to lead nonclinical development programs with guidance from her/his direct supervisor working effectively within cross-functional project teams.

3 days ago

Distinguished Scientist, Safety Assessment Project Expert Sanofi

Cambridge, MA

$178,500–$257,833.33 / year

These activities entail formulating the nonclinical safety strategies, designing safety pharmacology and toxicology studies, authoring regulatory documents, being a member of an integrated Project Team, interacting with internal and external partners, and interacting with and responding to global regulatory agencies. Our Team: The candidate will be part of a dynamic interactive Preclinical Safety group that spans all aspects of the drug development value chain providing toxicology and safety pharmacology expertise as a member of global project teams.

30 days ago

Head of Regeneron Cell Medicines Regeneron Pharmaceuticals Inc

Cambridge, MA

$300,000–$500,000 / year

This leader oversees cross-functional initiatives from discovery through early clinical development, builds and mentors high-performing teams, and partners across the enterprise and with external collaborators to deliver transformative cell-based therapies. Familiarity with regulatory pathways for cell and gene therapies (e.g., FDA/EMA guidance, IND preparation, RMAT considerations), including in vivo gene therapy nonclinical packages (biodistribution, toxicology, shedding).

30+ days ago

Senior Director, Nonclinical Safety Evaluation ModernaTX

Cambridge, Massachusetts

This role will have specific emphasis and accountability for products in Moderna’s emerging and/or established Systemic IV portfolio (spanning Autoimmune, Immuno-Oncology, and/or Rare Disease), with additional responsibilities to partner with Platform Science teams to support the safety evaluation and optimization of novel and existing technologies, as well as in other therapeutic areas as needed based on evolving business needs. Accountable for the design, execution, critical analysis, and reporting of GLP/non-GLP nonclinical safety in vitro and/or in vivo studies conducted in multiple species under the nonclinical safety assessment umbrella for the assigned therapeutic area(s) via collaborative partnerships with study monitors and program team representatives (e.g., DMPK, bioanalytical, operations, etc.).

30+ days ago

Scientist Investigative Sciences Alnylam Pharmaceuticals Inc

Develop and implement cell-based and biochemical assays to assess receptor binding signaling endocytosis and trafficking to support novel ligand candidate derisking and selection. Expertise in characterizing receptor-ligand interactions and downstream cell signaling or cellular function readouts is highly desired.

30+ days ago

Associate Director, Preclinical Bioanalytical Science Amylyx Pharmaceuticals Inc

Cambridge, MA

Remote

$191,000–$215,000 / year

This individual will collaborate closely with nonclinical toxicologists, discovery biology, preclinical leadership, and clinical pharmacology to contribute to study design and manage external bioanalytical vendors. Serve as the preclinical bioanalytical lead and subject matter expert on cross-functional program teams, representing bioanalytical and biomarker strategy, scientific rationale, and key deliverables.

3 days ago

AIRx, Sr. Director, Nonclinical Safety Lead Takeda

Boston, Massachusetts

You will be embedded in the DMTA cycle from early hit assessment through IND-enabling studies, working alongside medicinal chemists, computational scientists, and biologists to flag liabilities early, design around them fast, and build the nonclinical dossier that gives programs the best possible chance in the clinic. Own the nonclinical safety strategy across the AIRx portfolio, including small molecule and biologics projects, from early screening through IND-enabling studies; ensure every program has a clear, risk-proportionate toxicology plan aligned to its clinical hypothesis and regulatory pathway.

26 days ago

Director, Buzzards Bay National Estuary Program (BBNEP) Commonwealth of Massachusetts

Boston, MA

Environmental Analyst V'',''Environmental Analyst V'',''United States-Massachusetts-Boston-100 Cambridge Street'',''United States-Massachusetts-Boston-100 Cambridge Street'',''Science'',''Science'',''Exec Office Of Energy and Environmental Affairs'',''Exec Office Of Energy and Environmental Affairs'',''Full-time'',''Full-time'',''Day'',''Day'',''Jun 16, 2026, 3:55:56 PM'',''Jun 16, 2026, 3:55:56 PM'',''1'',''1'',''140,142.34'',''95,136.34'',''140,142.34'',''Yearly'',''Melixza Esenyie / EEADiversity@mass.gov'',''Melixza The BBNEP seeks a self-directed, goal-oriented, and strategically minded Director who can continue the NEP's growth by maintaining productive partnerships with local municipalities, community partners including the Buzzards Bay Coalition, the Buzzards Bay Action Committee, local institutions of higher education, state agency partners and the EPA, while forming new collaborations to advance our mission.

30+ days ago

Wetlands and Water Resources Supervisor (Environmental Analyst V) Commonwealth of Massachusetts

Boston, MA

Environmental Analyst V'',''Environmental Analyst V'',''United States-Massachusetts-10 Park Plaza'',''United States-Massachusetts-10 Park Plaza'',''Science'',''Science'',''Massachusetts Department of Transportation'',''Massachusetts Department of Transportation'',''Full-time'',''Full-time'',''Day'',''Day'',''Jul 2, 2026, 9:31:37 AM'',''Jul 2, 2026, 9:31:37 AM'',''1'',''1'',''153,713.22'',''108,517.95'',''153,713.22'',''Yearly'',''Derrick Mann'',''Derrick Mann'',''8573688541'',''DOT'',''DOT'',''No'',''No'',''Yes'',''Yes'',''false'',''1086836'',''1086836'',''true'',''1086836'',''false'',''Submission for the position: Wetlands and Water Resources Supervisor (Environmental Analyst V) - (Job Number: 2600045I)'',''false'',''1086836'',''false'',''true''. Applicants must have at least (A) six years of full-time, or equivalent part-time, technical or professional experience in the field of environmental science, biology chemistry, earth science, environmental health, meteorology, natural science, toxicology or public health, of which (B) at least four years must have been in a professional capacity and of which (C) at least two years must have been in a supervisory, managerial or administrative capacity, or (D) any equivalent combination of the required experience and the following substitutions below.

14 days ago

Environmental Analyst II Commonwealth of Massachusetts

Woburn, MA

Environmental Analyst II'',''Environmental Analyst II'',''United States-Massachusetts-Woburn-150 Presidential Way'',''United States-Massachusetts-Woburn-150 Presidential Way'',''Science'',''Science'',''Department of Environmental Protection'',''Department of Environmental Protection'',''Full-time'',''Full-time'',''Day'',''Day'',''Jun 29, 2026, 10:44:37 AM'',''Jun 29, 2026, 10:44:37 AM'',''1'',''1'',''105,834.82'',''72,240.22'',''105,834.82'',''Yearly'',''Chris Mendez / EEADiversity@mass.gov'',''Chris MINIMUM ENTRANCE REQUIREMENTS: Applicants must have at least (A) three years of full-time, or equivalent part-time, technical or professional experience in the field of environmental science, biology, chemistry, earth science, environmental health, meteorology, natural science, toxicology or public health, of which (B) at least one year must have been in a professional capacity, or (C) any equivalent combination of the required experience and the following substitutions.

18 days ago

Environmental Project Manager Commonwealth of Massachusetts

Boston, MA

Environmental Analyst IV'',''Environmental Analyst IV'',''United States-Massachusetts-Boston-1 Ashburton Place'',''United States-Massachusetts-Boston-1 Ashburton Place'',''Science'',''Science'',''Division of Capital Asset Management'',''Division of Capital Asset Management'',''Full-time'',''Full-time'',''Day'',''Day'',''May 13, 2026, 3:31:56 PM'',''May 13, 2026, 3:31:56 PM'',''1'',''1'',''127,235.16'',''86,434.92'',''127,235.16'',''Yearly'',''Nancy Daiute'',''Nancy Daiute'',''6176803880'',''09-MOSES - Engineers/Scientists'',''09-MOSES - Engineers/Scientists'',''No'',''No'',''Yes'',''Yes'',''false'',''1085911'',''1085911'',''true'',''1085911'',''false'',''Submission for the position: Environmental Project Manager - (Job Number: 260003PN)'',''false'',''1085911'',''false'',''true''. MINIMUM ENTRANCE REQUIREMENTS: Applicants must have at least (A) five years of full-time, or equivalent part-time, technical or professional experience in the field of environmental science, biology, chemistry, earth science, environmental health, meteorology, natural science, toxicology or public health, of which (B) at least three years must have been in a professional capacity, and of which (C) at least one year must have been in a supervisory, managerial or administrative capacity, or (D) any equivalent combination of the required experience and the following substitutions.

30+ days ago

Senior Dir, In-Vivo & Non-Clinical Pharmacology Bristol-Myers Squibb Co

$252,640–$306,137 / year

This leader will partner deeply with Research leadership and the Pharmacology, DMPK, Toxicology, and Translational Science units to deliver the applications, workflow capabilities, AI, and supporting data flows that enable non-clinical decisions across in-vivo biology, DMPK, ADME, non-clinical safety, toxicology, and bioanalytical science. Non-clinical pharmacology generates the evidence that determines which candidates enter humans, and this role matters now because scientists need better integrated applications, AI, and workflows to generate, interpret, and act on that evidence with greater speed and confidence.

30+ days ago

Senior Scientist, Safety Assessment Prime Medicine Inc

Cambridge, MA

$145,000–$177,000 / year

D. 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. Position Overview We are seeking an enthusiastic, self-motivated Senior Scientist to join the Nonclinical Development group, supporting the nonclinical safety assessment function for IND-enabling programs across Prime Medicines pipeline.

30+ days ago

Senior Clinical Lead, Early Clinical & Experimental Therapeutics Sanofi

Cambridge, MA

$236,250–$341,250 / year

In these roles, duties include: Design safe, rapid and informative First-In-Human studies for oncology assets potentially including natural history, experimental model validation, mechanistic and signal seeking, streamlined Proof-of-Mechanism as well as Proof-of-Concept studies providing robust data for early Go/No Go decisions and other pharmacokinetic studies. A key focus of this role is to support the path from the research phase through early clinical development including early and rapid Proof-of-Mechanism/Proof-of-Concept, as well as natural history studies and experimental model validation to contribute to Human Target Validation (HTV) and evaluating the pharmacology of novel therapeutic approaches.

30+ days ago

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Toxicology Jobs in Boston, MA

Senior Scientist, Safety Assessment Prime Medicine, Inc.

Director / Associate Director – Toxicology Monte Rosa Therapeutics, Inc

Vice President Toxicology Alnylam Pharmaceuticals Inc

Senior Director, Development Pharmacology & Toxicology Intellia Therapeutics Inc

LCMS Toxicology Technologist Lighthouse Lab Services

Director / Associate Director - Toxicology Monte Rosa Therapeutics Inc

Senior Director, Toxicology Amylyx Pharmaceuticals Inc

Associate Director, Toxicology (Nonclinical Safety Evaluation) City Therapeutics

Sr. Scientist- Toxicology StratAcuity Staffing Partners Inc

Scientist, Pharmacology and Toxicology MBX Biosciences Inc

Toxicology Research Scientist Vertex Pharmaceuticals

Associate Director / Director, Toxicology Beam Therapeutics

Associate Director / Director, Toxicology Beam Therapeutics Inc

Pioneering Medicines: Senior Director, Head of Toxicology Flagship Pioneering Inc

Associate Director / Director, Toxicology Korro Bio Inc

Global Project Head, Toxicology Sanofi

Executive Director, Head of Toxicology Centessa Pharmaceuticals Plc

Senior Director, Toxicology CNS Specialist Centessa Pharmaceuticals Plc

Head of Toxicology Innovation Sanofi

Senior Principal Toxicologist Keurig Dr Pepper Inc

Senior Toxicologist Regeneron Pharmaceuticals

Distinguished Scientist, Safety Assessment Project Expert Sanofi

Head of Regeneron Cell Medicines Regeneron Pharmaceuticals Inc

Senior Director, Nonclinical Safety Evaluation ModernaTX

Scientist Investigative Sciences Alnylam Pharmaceuticals Inc

Associate Director, Preclinical Bioanalytical Science Amylyx Pharmaceuticals Inc

AIRx, Sr. Director, Nonclinical Safety Lead Takeda

Director, Buzzards Bay National Estuary Program (BBNEP) Commonwealth of Massachusetts

Wetlands and Water Resources Supervisor (Environmental Analyst V) Commonwealth of Massachusetts

Environmental Analyst II Commonwealth of Massachusetts

Environmental Project Manager Commonwealth of Massachusetts

Senior Dir, In-Vivo & Non-Clinical Pharmacology Bristol-Myers Squibb Co

Senior Scientist, Safety Assessment Prime Medicine Inc

Senior Clinical Lead, Early Clinical & Experimental Therapeutics Sanofi

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