Viral Clearance Associate II

Our Mission
At Texcell, our mission is to safeguard the medicines of today and tomorrow by providing essential services to the global biopharmaceutical industry. As experts in pharmaceutical sciences, our clients develop life-changing therapies for patients worldwide. As specialists in viral safety and bioassays, Texcell ensures the safety of these therapies throughout development. Together, we make medicines safe.

Our History
Founded in 1987 at the Pasteur Institute in Paris, Texcell’s journey began with a laboratory team dedicated to addressing the HIV crisis. It was here that some of the earliest viral validation studies were conducted. Over the decades, we’ve continued to advance the science of viral safety, ensuring that patients can trust every dose—today and in the future.

Position Summary

Contribute to the successful execution of viral clearance studies and diverse virology assays in a BSL-2, GLP, and cGMP regulated non-clinical CRO setting.

Key Responsibilities:

Perform routine cell culture activities for adherent and suspension cell lines, including thawing, seeding, feeding, passaging, and cryopreservation, in accordance with established SOPs.

Maintain cell cultures by monitoring cell morphology, confluency, viability, and growth characteristics, and report abnormalities promptly.

Conduct cell counting and viability assessments using hemocytometers and/or automated cell counters.

Execute basic cell-based assays and sample preparation as required, accurately recording data in laboratory notebooks or electronic systems.

Perform and/or support cell bank characterization and release testing, including sterility, mycoplasma, and other microbiological or cell-based assays.

Assist with executing viral clearance studies including spiking, sampling, and data collection per established protocols.

Perform virology assays proficiently and independently, including but not limited to:

TCID50 and plaque assays for viral infectivity and potency

qPCR for viral genome quantification

Prepare sterile media, buffers, and reagents under cGMP conditions

Maintain accurate and real-time documentation of experiments, assays, and production activities in compliance with GLP/GMP/GDP standards.

Assist with routine and annual lab cleaning, equipment maintenance, and environmental monitoring.

Work outside of core business hours with occasional overtime, holidays and weekends as required.

Education & Experience:

Bachelor’s degree in Biotechnology, Microbiology, Molecular Biology, or related life sciences field           and 3+ years of relevant laboratory experience in cell culture, viral production, and/or virology assays in a regulated environment.

Skills & Competencies:

Strong understanding of aseptic technique and BSL-2 regulatory/safety requirements.

Exceptional time management and organizational skills

Excellent communication skills both written and verbal

Keen attention to detail and problem-solving capabilities

Advanced computer skills – Outlook, Excel, Teams, etc.