Principal Biostatistician FSP, Clinical Safety (DMC/Unblinded)

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3 Locations
In-Office or Remote
Software • Analytics • Biotech
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.

Responsibilities

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

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.

Cytel Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Cytel and has not been reviewed or approved by Cytel.

  • Healthcare Strength — Health coverage is described as comprehensive, spanning medical, dental, vision, life and disability, with FSAs/HSAs also available. Plan quality is often characterized as good to excellent, which lifts the perceived value of the overall package.
  • Retirement Support — A 401(k) with employer match is consistently part of the benefits package. The plan is also characterized as well managed, contributing to a sense of baseline retirement support.
  • Fair & Transparent Compensation — Overall pay is characterized as decent-to-good and broadly competitive in parts of the business, with stronger alignment noted in senior technical tracks like biostatistics and programming. The total package is often framed as respectable rather than premium.

Cytel Insights

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The Company
HQ: Cambridge, MA
1,395 Employees
Year Founded: 1987

What We Do

Cytel enables decision-makers in the life sciences to unlock the full potential of their products. From navigating uncertainty to proving value, Cytel’s 30 years of global expertise in consulting, data-driven analytics, and industry-leading software helps biotech and pharmaceutical companies transform intelligence into confident decisions. We have an uncompromising commitment to scientific rigor and high standards of operational excellence, which are channeled through our locations in North America, Europe, the United Kingdom, and Asia. Together, we enable our clients to deliver the therapies that propel humanity forward. Cytel employs a range of data science tools from biostatistics to machine learning to help executives in the life-sciences to make confident decisions powered by data. We are probably best known for being leaders in the field of adaptive clinical trial design, a subset of trial design that uses interim looks to enhance the patient safety and commercial value of pharmaceutical products. We also have specialists in Bayesian statistics, real world evidence, artificial intelligence, health economics, and a number of other research fields to ensure that academic and scientific findings can have impact on industry quickly and seamlessly. www.cytel.com

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