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Principal Statistician

Pfizer
Pfizer
4+ years
preferred by company
10 Jan. 15, 2026
Job Description
Job Type: Full Time Education: B.Sc./ M.Sc./ M.Pharm/ B.Pharm/ Life Sciences Skills: Causality Assessment, Clinical SAS Programming, Communication Skills, CPC Certified, GCP guidelines, ICD-10 CM Codes, CPT-Codes, HCPCS Codes, ICD-10 CM, CPT, HCPCS Coding, ICH guidelines, ICSR Case Processing, Interpersonal Skill, Labelling Assessment, MedDRA Coding, Medical Billing, Medical Coding, Medical Terminology, Narrative Writing, Research & Development, Technical Skill, Triage of ICSRs, WHO DD Coding

Job Title: Principal Statistician – Clinical Research

Location: Chennai, India – On-Premise
Job Type: Full-Time
Experience Level: Mid to Senior-Level (Minimum 4+ years relevant experience)

Company Overview:
Pfizer is a global leader in pharmaceutical innovation, committed to improving patients’ lives through cutting-edge research, development, and scientific excellence. Our mission drives us to develop safe, effective, and transformative medicines and vaccines that impact millions worldwide.

Role Overview:
We are seeking a Principal Statistician to provide expert biostatistical guidance across clinical research projects. The role involves designing, executing, and reviewing statistical components of studies, collaborating with multidisciplinary teams, and ensuring compliance with regulatory standards. This position will directly influence the development, safety, and efficacy of Pfizer’s pharmaceutical and biological products.

Key Responsibilities:

  • Design, plan, and execute biostatistical analyses for research and development initiatives.

  • Lead or co-lead moderately complex projects, managing resources, timelines, and deliverables.

  • Apply statistical expertise to resolve complex problems, develop solutions, and operate independently in ambiguous situations.

  • Collaborate with scientists and cross-functional teams on clinical trial design, data analysis, and result interpretation.

  • Mentor junior statisticians by reviewing their work, providing guidance, and fostering knowledge sharing.

  • Prepare high-quality internal and external reports, technical documents, and presentations.

  • Ensure all statistical activities comply with Pfizer standards and regulatory requirements, including ICH guidance.

  • Contribute to the development of new statistical methodologies applicable to clinical research.

Required Qualifications & Skills:

  • Education & Experience:

    • BA/BS with ≥4 years relevant experience, or

    • MBA/MS with ≥2 years relevant experience, or

    • PhD/JD with relevant experience, or

    • Associate degree with ≥8 years relevant experience, or

    • High school diploma (or equivalent) with ≥10 years relevant experience.

  • Strong statistical knowledge including general linear models, mixed models, non-linear models, experimental design, variance components, and quality control.

  • Proficiency in data visualization and modern multi-dimensional genomic data analysis.

  • Experience in regulated scientific environments, demonstrating robust statistical expertise.

  • Excellent written and verbal communication skills with ability to prepare technical reports and manuscripts.

  • Familiarity with International Conference on Harmonization (ICH) guidance and pharmacopoeia standards.

Preferred Qualifications:

  • Master’s degree in Statistics, Biostatistics, or related field.

  • Pharmaceutical industry experience, especially in clinical trials.

  • Statistical support experience in Oncology clinical studies.

  • Knowledge of advanced statistical methodologies for clinical research applications.

  • Strong problem-solving skills in non-standard or complex situations.

Why Join Pfizer:

  • Opportunity to work on globally impactful clinical research projects.

  • Collaborate with world-class scientists and cross-functional teams.

  • Contribute directly to improving patient health outcomes worldwide.

  • Inclusive and growth-oriented work environment that supports professional development.

Equal Opportunity Statement:
Pfizer is an Equal Opportunity Employer, committed to fair employment practices. All qualified applicants will receive consideration regardless of race, color, sex, religion, sexual orientation, gender identity, disability, veteran status, or any other characteristic protected by law.

Apply now to advance your career in a globally recognized organization driving innovation in healthcare and clinical research.