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Sr Research Associate, R&D

Par Health · Biotechnology · Health Care · 1 year ago

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Salary

≈ $16k – $35k per year (Estimated)

Location

In office (India)

Seniority

Senior

Employment

Full-Time

Confirmed on the employer's own hiring board on Oct 29, 2026. First seen by Alion on Sep 8, 2025. Par Health scores B on the Alion truth index.

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Par Health

Par Health is a US pharmaceutical company based in Saint Louis, Missouri, that makes generic and essential medicines, including sterile injectables, controlled substances, active pharmaceutical ingredients and oral products for hospitals, pharmacies and distributors. It was formed from the generics businesses of Endo and Mallinckrodt after the two companies combined in 2025, and it runs manufacturing and research sites in Missouri, Indiana, Illinois, North Carolina, Pennsylvania and India. Par Health hires production and packaging operators, quality control technicians, research associates, compliance specialists, supply chain and EHS managers and sales staff.

parhealth.com · HQ: Saint Louis, United States · APIs & Drug Manufacturing · Generic Drugs · Prescription Drugs · Est. 2025

Tech stack of Par Health

Job Description Summary

The Senior Research Associate in API- Research and development is responsible for executing and supporting research activities related to the Literature search, Synthesis, Characterization, and scale-up of active pharmaceutical ingredients.

This role involves Process development, analytical testing, documentation, and collaboration with cross-functional teams to ensure the successful development of high-quality APIs in compliance with regulatory standards.

Job Description

Research and process development of API.
Conducting Literature search, lab trials and stretchability studies for the assigned API.
Carrying out feasibility studies for the assigned projects.
Identifying critical process parameters and developing suitable reprocess methods.
Process optimization and carrying out lab validation batches.
Synthesis of process related impurities
Conducting lab feasibility studies and identifying the critical process parameter.
Conducting stretchability studies and identifying critical process parameters
Supporting the tech transfer team for the successful process transfer from lab to plant.
Synthesis of NDSRIs and other nitrosamine impurities and characterization.
Carrying susceptibility trial experiments of drug substances/drug products under various Nitrosation conditions.
Nitrosamine Risk assessment based on API structure, its route of synthesis, related impurities, and excipients used in the manufacture of drug substances.
Maintaining lab environment safely, cleanly, and guiding Lab Assistant to handle hazardous chemicals.

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