Warman O'Brien
Senior Biostatistician

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Senior Statistician | UK | Remote | Mid-Size CRO | Permanent
Our client is an established specialist biometrics consultancy providing high-quality statistical and programming services to the pharmaceutical and biotechnology industry. Due to continued growth, they are seeking an experienced Senior Statistician to join their collaborative UK-based team.
This is an excellent opportunity for a statistician who enjoys combining technical expertise with client interaction, taking ownership of projects from study design through to reporting, while working on a diverse range of clinical development programmes.
The Role
As a Senior Statistician, you will provide statistical leadership across multiple clinical projects, working closely with clients and cross-functional teams to ensure the successful delivery of high-quality statistical outputs.
Key Responsibilities
- Lead the development of Statistical Analysis Plans (SAPs), including estimand strategies, statistical methodologies, hypothesis testing, and mock table, listing, and figure (TLF) shells.
- Coordinate statisticians and statistical programmers to deliver high-quality statistical outputs, including SDTM, ADaM, and TLF packages, within agreed timelines.
- Perform quality control of datasets and statistical outputs, including independent validation programming of complex ADaM datasets and analyses using SAS.
- Serve as the primary statistical contact for clients, providing expert guidance throughout the lifecycle of clinical development projects.
- Provide statistical consultancy on study design, protocol development, sample size calculations, and estimand strategies.
- Chair Data Review Meetings (DRMs), driving key decisions and ensuring appropriate documentation is maintained.
- Author and review statistical sections of Clinical Trial Reports (CTRs) and contribute to the interpretation and presentation of study results.
- Act as the independent statistician supporting Data Monitoring Committees (DMCs/IDMCs), including preparing reports and facilitating committee meetings.
- Manage project budgets, monitor project performance, and initiate change orders where required.
- Support business development activities by participating in proposal development and Bid Defence Meetings.
- Represent the biometrics function during client audits and regulatory inspections where required.
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About You
- Degree in Statistics, Biostatistics, Mathematics, or a related quantitative discipline.
- Around three or more years' experience working as a Statistician within a CRO, pharmaceutical, or biotechnology environment.
- Proven experience leading statistical activities across clinical trials and managing client-facing projects.
- Strong knowledge of ICH, regulatory guidance, and CDISC standards, including SDTM and ADaM.
- Advanced SAS programming skills with experience performing independent quality control.
- Excellent communication and stakeholder management skills, with the ability to build strong client relationships.
- Highly organised, collaborative, and committed to delivering high-quality work.


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What's on Offer
- Competitive salary and comprehensive benefits package.
- Hybrid and flexible working arrangements.
- Supportive, collaborative culture with a flat organisational structure.
- Opportunity to work on varied and scientifically interesting clinical development programmes.
- Structured onboarding together with ongoing training and professional development.
- A genuine opportunity to influence projects, work closely with clients, and continue developing your career within an expert biometrics environment.
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