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Principal Biostatistician FSP, Clinical Safety (DMC/Unblinded)

Cytel
United States, United Statesfull_timeVerifiedPosted 11 Feb 2026

About the role

As a Principal Biostatistician, you will leverage advanced statistical methodologies to leading Phase 1 studies as well as conducting safety analyses for Phase 2/3 trials, with a particular focus on rare disease programs. This position will also serve DMC unblinded statisticians across multiple studies.

Key Responsibilities

You will contribute by:

  • Providing statistical leadership and support for early phase studies and as well as conducting safety analyses for Phase 2/3 trials.
  • Serving as an unblinded DMC statistician across multiple studies, ensuring compliance with sponsor and regulatory requirements.
  • Participating in study design discussions, including protocol development, dose-escalation strategies, and sample size justification.
  • Reviewing CRFs, data review guidelines, and related study documentation to ensure statistical and safety considerations are appropriately addressed.
  • Developing and reviewing Statistical Analysis Plans (SAPs), including analysis dataset specifications and TLG shells.
  • Performing and/or overseeing safety-focused statistical analyses, interpreting results, and communicating findings to study teams for phase 2/3 studies.
  • Preparing and contributing to clinical study reports (CSRs), including integrated safety summaries for regulatory submissions.
  • Leading statistical activities at the study level when required and representing the statistics function in cross-functional teams.
  • Clearly explain statistical methodology, assumptions, and implications of decisions to non-statistical stakeholders.
  • Collaborating effectively as a team player, demonstrating accountability, flexibility, and a commitment to meeting timelines in a dynamic environment.
  • Quick turnaround time in early phase studies.

Qualifications & Experience

Required / Preferred:

  • Master’s degree in Statistics, Biostatistics, or a related discipline; PhD strongly preferred.
  • 5+ years of experience supporting clinical trials within the pharmaceutical or biotechnology industry; CRO experience strongly preferred.
  • Demonstrated experience in: 
    • Leading Early phase clinical trials
    • Conduct safety analyses for phase 2/3 clinical trials
    • Sample size calculations and protocol concept development
    • SAP development and clinical study report preparation
    • Regulatory submissions (preferred)
  • Proven experience serving as an unblinded DMC.
  • Strong knowledge and practical application of advanced statistical methods.
  • Proficient SAS programming skills, particularly for QC of critical outputs, safety/efficacy tables, and collaboration with statistical programmers; R programming experience is a plus.
  • Solid understanding of ICH guidelines and regulatory expectations.
  • Strong working knowledge of CDISC standards (SDTM/ADaM) for regulatory submissions.
  • Hands-on experience with ADaM dataset specification development and QC.
  • Experience working in cross-functional, matrixed teams, effectively representing the statistics function.
  • Excellent written and verbal communication skills, with the ability to translate complex statistical concepts into lay terms.
  • Demonstrated ability to work collaboratively, meet aggressive timelines, and remain flexible as priorities evolve.

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Company

Cytel

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