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Scientist - Small Molecule Technology

Pfizer

2 - 5 years

Chennai

Posted: 25/02/2026

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Job Description

Job Description

    • Develop safe, robust, scalable, and efficient manufacturing processes for intermediate and Active Pharmaceutical Ingredients (APIs) suitable for both pilot plant and commercial scale production.

    • Performing literature search and identifying various synthetic routes for process development.

    • Promotes the use of novel experimental approaches within sub-function; routinely investigates/creates innovative processes, hypotheses and methodologies.

    • Knowledge of interpretation of structures using spectral techniques like NMR, IR & Mass spectra.

    • Planning and Performing experiments as per process governance (Lab feasibility, Optimization, Pre-validation, CPP and Validation)

    • Performing What if studies, stress studies, holding time studies, Mass balance, recovery studies and scale up studies.

    • Encountering the process challenges on time and supporting production teams for scale up activities.

    • Handling of business critical / supply chain critical related investigational projects on fast track

    • Participate in brainstorming activity for the project in identifying scope of improvement

    • Responsible for making necessary scientific statutory documents for the lab execution of a given project

    • Designing experiments based on the project /business requirement in varying scale as per the needs

    • Perform data analysis, interpret the data of them and provide scientific rationale for the experiments

    • Support the next level manager in providing the cost estimates associated with R&D project proposals

    • Summarize the experimental results and present to the next level managers for discussion

    • Prepare Technical project updates with precious data as per the business meeting requirement regularly

    • Knowledge on ICH guidelines.

    • Willingness to learn and apply new technology/ tools to meet process / business needs

    • Co-ordinate with Analytical, Process safety, Process engineering teams on the project discussions and support the need of them to drive the project

    • Utilization of electronics tools (Biovia eLN, GDMS, LIMS etc.,)

    • Partner closely with other CRD scientists, Process Engineers, Process Safety Chemists, Crystallization Technologists, Pilot Plant facility, Analytical, Formulation and manufacturing colleagues at Global Pfizer sites as required.

    • Responsible for instrument qualification across the CRD labs (coordination with instrumentation team, quality team)

    • Ensure compliance with cGMP /GSP procedures and practices

    • Ensure effective safety systems are implemented in the premises

    • Perform other tasks as per the dynamic business requirement

QUALIFICATION

  • Ph.D in the field of Organic Chemistry.

  • Demonstrated capabilities and experience in performing chemical reactions, structure characterizations, basic understanding of chromatography, Crystallizations, Basic safety principles, Basic quality principles, basic understanding of analytical techniques.

  • Experience and demonstrated competencies in working with teams in a matrixed organization, building and nurturing relationships and effective engagement resulting in successful outcomes.

  • Candidate should have skill in preparing the technical reports and adherence to compliance.

  
Work Location Assignment: On Premise

 

 

 

  
Work Location Assignment: On Premise

Pfizer is an equal opportunity employer and complies with all applicable equal employment opportunity legislation in each jurisdiction in which it operates.

Research and Development

About Company

Pfizer is a global pharmaceutical company known for its vaccines and medications in therapeutic areas like oncology, immunology, and infectious diseases. The company played a key role in developing the COVID-19 vaccine and continues to lead in drug development and biotechnology.

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