Senior Scientist, Toxicology
The Senior Scientist, Toxicology will be responsible for the design, leadership, and implementation of nonclinical safety strategies across Crescents research and development programs. This position will report to the Senior Director of Toxicology. This role requires experience designing and executing the breadth of nonclinical safety studies to support lead candidate selection through product registration, and a demonstrated ability to make data-driven decisions based on nonclinical and clinical information.
The ideal candidate is a creative and innovative scientist who has led nonclinical safety efforts for the successful discovery and development of protein therapeutics across biologics modalities, such as monoclonal antibodies and antibody drug conjugates. This individual will work in close collaboration with colleagues in Clinical Development, Translational Sciences, Bioanalysis, Project Management, Research, and Regulatory Affairs to execute the companys overall development strategy, participate on cross-functional project teams, and contribute to interactions with global health authorities.
This role provides the rare opportunity for a growing professional to develop their skills through collaboration, while making strategic and tactical impact on the things that matter most driving our science to help patients.
Responsibilities
- Lead the nonclinical safety strategy with vision to create scientifically sound, innovative and efficient programs that meet regulatory requirements, corporate and R&D program goals, and facilitate expedient development from discovery research to Phase 1 and on to registration.
- Independently represent Toxicology as a member of program, nonclinical, and clinical trial working teams
- Contribute to candidate selection strategy and design, execute, and finalize nonclinical study reports.
- Partner with the discovery group and work with clinical pharmacology colleagues to optimize nonclinical models and inform first in patient clinical dosing strategies.
- Review nonclinical study reports, in conjunction with Pharmacology / DMPK and prepare submission documentation.
- Adhere to agreed timelines and budgets to ensure execution of deliverables from nonclinical safety studies and programs.
- Collaborate across functions to support corporate objectives.
Experience
- Ph.D. or equivalent training in toxicology or related disciplines with at least 5 years of bio/pharmaceutical industry drug development experience in nonclinical safety/toxicology.
- Strong understanding of toxicology principles, the drug development process and regulatory guidance to support nonclinical safety strategies for first-in-human (FIH) studies through product registration.
- Experience with preparation of the clinical pharmacology portions of regulatory documents such as the pre-IND, IND, IB, FIH starting dose justifications, briefing documents, nonclinical study reports, CTA and filing documents, while working in collaboration with cross functional teams.
- Experience supporting regulatory submissions for small molecules, biologics, and ADCs preferred, with a focus on nonclinical and clinical development global strategy and execution.
- Demonstrates good judgment and the ability to make thoughtful, well-reasoned decisions.
- Able to evaluate information, identify issues, and develop practical solutions.
- Highly organized with strong attention to detail and accuracy.
- Works effectively across teams and disciplines, building strong relationships and aligning stakeholders toward shared goals.
What we offer
- Opportunity to join a mission-driven team where you'll contribute to impactful work, take on varied responsibilities, and grow quickly in a dynamic environment
- Competitive compensation, including base salary, performance bonus, and equity
- 100% employer-paid benefits package
- Flexible PTO; also, two, one-week company-wide shutdowns each year
- A commitment to your professional development, with access to resources, mentorship, and growth opportunities
About us
- Crescent Biopharmas vision is to build a world leading oncology company bringing the next wave of therapies for cancer patients. The Companys clinical-stage pipeline includes its lead program, a PD-1 x VEGF bispecific antibody, as well as novel antibody-drug conjugates (ADCs). By leveraging multiple modalities and established targets, Crescent aims to rapidly advance potentially transformative therapies either as single agents or as part of combination regimens to treat a range of solid tumors. For more information, visit www.crescentbiopharma.com and follow the Company on LinkedIn and X.
Additional Description for Pay Transparency:
The final salary offered will depend on several factors, which may include, but is not limited to relevant years of experience, educational background, and geography. Subject to the terms of their respective plans, employees and/or eligible dependents are eligible to participate in the following Company sponsored employee benefit programs: medical, dental, vision, life insurance, short- and long-term disability. Subject to the terms of their respective plans, employees are eligible to participate in the Companys savings plan (401(k)). This position is eligible to participate in the Companys long-term incentive program. Subject to the terms of their respective policies and date of hire, Employees are eligible for the following time off benefits: Vacation Unlimited PTO; Sick time 10 days per calendar year; Holiday pay, including two Company shut downs; Parental Leave 16 weeks within one year of the birth/adoption/foster care of a child; FMLA; Military Leave. Additional information can be found - https://www.crescentbiopharma.com/careers/#benefits Crescent Biopharma is an Equal Opportunity Employer. We are committed to fostering a diverse, inclusive, and equitable workplace where all individuals are valued and respected. Employment decisions are based on qualifications, merit, and business needs, without regard to race, color, religion, gender, sexual orientation, national origin, disability, veteran status, or any other protected status.
$190,000 - $212,000 a year
Compensation details: 190000-212000 Yearly Salary

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