Lead Scientist, Ingredient Development (In Vitro)

Kingdom; New York (NY); On-site; USD 133,000 - 205,000; Full time

Benefits offered by this job

Medical, Vision, Dental

One Medical, Teladoc, Talkspace

Flexible PTO

13 paid holidays

Parental leave (12 weeks)

401(k) plan

Commuter benefit

Team lunches

Job summary

Kingdom is seeking a Senior/Principal Scientist, Ingredient Development, to lead our in vitro validation function and mentor a growing team. You will define questions, choose experiments, and connect laboratory findings to customer needs while collaborating with bioprocess, regulatory, clinical, and commercial colleagues.

You will drive evidence-based development across a growing portfolio, ensuring rigorous validation, timely delivery, and clear communication of results to stakeholders.

Qualifications

• PhD in a relevant life-sciences field with 3–4 years of work experience.
• Rigorous experimental design and quantitative analysis of efficacy and mechanisms of action.
• Hands-on experience developing, validating, and troubleshooting cell-based models and assays.
• Ability to synthesize evidence into clear reports and datasets, noting limitations.
• Scientific leadership: set direction and build a function while staying accountable.
• Structured planning and prioritization across projects, with blockers resolution.
• Experience using AI to support scientific work and independent verification.
• Experience working with CROs to define studies and evaluate results.
• Intellectual curiosity and willingness to learn unfamiliar biology.

Responsibilities

• Lead in vitro validation across projects and design studies of efficacy, safety, mechanisms of action, stability, shelf-life, and analytical characterization.
• Coordinate external testing with CROs and manage study designs, deliverables, and timelines.
• Lead formulation development with the bioprocess team to align with manufacturing requirements.

Skills

Experimental design

Quantitative analysis

Cell-based assays

Data interpretation

Scientific leadership

Strategic planning

Cross-functional collaboration

Scientific communication

AI-assisted science

CRO collaboration

Intellectual curiosity

Education

PhD in life-sciences

Job description

Kingdom is seeking a Senior/Principal Scientist, Ingredient Development, to lead our in vitro validation function and mentor a growing team. You will define questions, choose experiments, and connect laboratory findings to customer needs while collaborating with bioprocess, regulatory, clinical, and commercial colleagues.

You will drive evidence-based development across a growing portfolio, ensuring rigorous validation, timely delivery, and clear communication of results to stakeholders.