Senior Associate Scientist, Purification Process Development

At Gilead, we’re creating a healthier world for all people. For more than 35 years, we’ve tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer – working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world’s biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference.

Every member of Gilead’s team plays a critical role in the discovery and development of life-changing scientific innovations. Our employees are our greatest asset as we work to achieve our bold ambitions, and we’re looking for the next wave of passionate and ambitious people ready to make a direct impact.

We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Gilead and help create possible, together.

Job Description

The Senior Associate Scientist, Purification Process Development (Pre-Pivotal) will plan and execute purification process development laboratory experimentation for Gilead biologics entities during pre-pivotal phases development (pre-clinical, phase I/II). He/she will also plan and execute laboratory experimentation for purification process technology development, platform process evolution initiatives, and will support implementation in internal and external GMP facilities.

Key Responsibilities:

· Establish and maintain a state-of-the-art purification lab that enables rapid new biologics entities manufacturability assessment, purification process development and scaleup.

· Contribute to experimental design. Plan and execute purification process development laboratory studies independently. Support process scaleup and implementation in internal and external GMP facilities.

· Collect and analyze data from laboratory experiments in compliance with data integrity policy. Author and review experimental protocols and reports.

· Support process transfer to internal and contract manufacturing facilities to produce GMP and non GMP drug substances on time and with high success rate. Provide oversight at internal and external manufacturing facilities as person-in-plant. Provide technical support for manufacturing atypical event investigations.

· Support non-GMP pilot lab operations. Review GMP and non-GMP technical documentation (batch records, SOPs, guidance documents, and reports).

· Mentor junior team members on purification process development strategies, experimental design and execution as well as process transfer.

· Lead purification platform development and new technology/innovation evaluation and implementation to enable fast first-in-human clinical trial timeline.

· Contribute to workflow improvements for screening lead molecules screening with optimal developability.

· Participate in cross functional initiatives as needed.

· Adhere to department budget and all training, compliance and safety requirements.

Basic Requirements:

· M.S. in chemical engineering, bioengeering, biochemical engineering, biochemistry or related field with 3+ years or B.S. with 5+ years industrial experience in biologics purification development.

· Hands-on laboratory operations experience bench and pilot scale chromatography, TFF, VF and depth filtration.

Preferred Experience:

· Experience in pre-pivotal stage purification process development, scaleup and implementation in GMP and non GMP manufacturing facilities.

· Excellent communication, technical writing, and presentation skills and aptitude for creative problem solving.

· Demonstrated ability to collaborate and influence cross-functionally.

· Experience in statistics, design-of-experiments, and data analysis (e.g. JMP, Spotfire).

· Working knowledge of lab automation, data management, data science, knowledge management and data protection.

· Knowledge in single-use manufacturing technology and cGMP guideline is a plus.

· Passion for inclusion: knowing the business value of diverse teams, modelling inclusion, and embedding the value of diversity in the way he/she works.

The salary range for this position is: $126,820.00 - $164,120.00. Gilead considers a variety of factors when determining base compensation, including experience, qualifications, and geographic location. These considerations mean actual compensation will vary. This position may also be eligible for a discretionary annual bonus, discretionary stock-based long-term incentives (eligibility may vary based on role), paid time off, and a benefits package. Benefits include company-sponsored medical, dental, vision, and life insurance plans*.

For additional benefits information, visit:

* Eligible employees may participate in benefit plans, subject to the terms and conditions of the applicable plans.

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