Centessa Pharmaceuticals, a wholly owned subsidiary of Eli Lilly and Company
Centessa Pharmaceuticals, a wholly owned subsidiary of Eli Lilly and Company, is a clinical-stage company developing orexin receptor 2 (OX2R) agonists as a new class of medicines for the treatment of narcolepsy and potentially other sleep-wake disorders. Centessa’s lead investigational candidate – cleminorexton (formerly ORX750) – is being developed for narcolepsy type 1, narcolepsy type 2, and idiopathic hypersomnia. Centessa's OX2R agonist portfolio includes additional clinical and preclinical-stage assets with potential utility across a broader range of neurological, neurodegenerative, and neuropsychiatric conditions.
Headquartered in Boston, Massachusetts, Centessa was recognized as a Great Place to Work® in 2026.
Description of Role
We are seeking an analytically elite, strategically minded Senior Scientist to join our Safety Assessment team. This is a 100% non-laboratory position designed for a seasoned bioscientist or toxicology operations expert who thrives at the intersection of dataset auditing, mechanistic evaluation, and cross-functional project leadership.
As a Senior Scientist, you will serve as a vital scientific and strategic hub connecting Centessa’s internal toxicology leaders with Project Development Teams (PDTs) and adjacent disciplines (including DMPK, CMC, Regulatory, and Clinical Operations). You will own the analytical pipeline for incoming toxicology studies—spearheading the audit of regulatory SEND datasets, engineering data visualizations of complex toxicology endpoints, and authoring authoritative literature reviews. Your insights will directly shape investigative toxicology strategies, driving early pipeline decision-making and securing project endorsements at internal governance committees.
Key Responsibilities
Qualifications
Compensation
The annual base salary range for this position is $85,000 to $130,000. Individual compensation within this range will be determined based on a variety of factors, including qualifications, skills, relevant experience, job knowledge and location.
In addition to base pay, this role is eligible for a discretionary annual bonus. The Company also offers a comprehensive benefits package, which includes a 401(k) plan, company-sponsored medical, dental, vision, and life insurance, generous paid time off, and a health and wellness program.
Work Location
This role is remote and based in the US, with occasional travel.
POSITION: Full-Time, Exempt
EEOC Statement: Centessa Pharmaceuticals, a wholly owned subdisary of Eli Lilly and Company believes in a diverse environment and is committed to equal employment opportunity for all its employees and qualified applicants. We do not discriminate in recruitment, hiring, training, promotion, or any other employment practices for reasons of race, color, religion, gender, national origin, age, sexual orientation, marital or veteran status, disability, or any other legally protected status. We will make reasonable accommodations for qualified individuals with known disabilities, in accordance with applicable law.
Please note: We will not assign referral rights for any unsolicited resumes from recruitment agencies.