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Senior Scientist, Protein Purification

3 months ago


Canton, United States Pledge Therapeutics Full time

Job Title: Senior Scientist, Protein Purification & Expression

Location: Canton MA


About Pledge Therapeutics:

Pledge Therapeutics is an innovative start-up dedicated to advancing treatments in immunology, oncology and virology. We are passionate about developing novel therapies that improve the lives of patients. Leveraging our state-of-the-art discovery platform, we have developed high-quality, preclinical drug candidates for multiple exciting drug targets with the potential to transform existing treatment paradigms.


Job Description:

We seek an enthusiastic and skilled scientist to lead protein purification, production, and characterization efforts within our Rapid Response Group (RRG), a specialized team in our Discovery Division. The RRG operates with a hands-on, mission-focused approach, parachuting into high-impact projects to develop critical tools, methodologies, and data that enhance our therapeutic programs. The successful candidate will be a key member of this elite team, driving research on protein targets and therapeutic development. This role is crucial to our R&D mission, directly influencing our success by overcoming protein-related challenges and enabling the translation of cutting-edge discoveries into therapeutics.


Key Responsibilities:

  • Develop and optimize protein expression systems, focusing on baculovirus (insect cell) and/or mammalian systems, and perform sub-cloning as needed to support these efforts.
  • Design and implement novel purification protocols to address technical challenges, leveraging a deep understanding of molecular biology and biochemistry.
  • Troubleshoot and refine protein expression and purification strategies, ensuring high-quality protein production through advanced chromatographic and filtration techniques.
  • Analyze experimental data, support scale-up processes, and drive continuous improvement while ensuring adherence to timelines in a dynamic, fast-paced environment.
  • Collaborate cross-functionally with immuno-oncology, virology, and structural biology teams, sharing expertise to enhance our ability to work with a diverse family of proteins.


Qualifications:

  • PhD in Biochemistry, Cell Biology, or a related field; exceptional MS candidates will be considered.
  • 5-7 years of relevant experience in a dynamic, fast-paced environment.
  • Expertise in construct design, sub-cloning, and protein purification, with experience spanning the entire protein production pipeline, from gene design through to characterization.
  • Deep expertise and hands-on experience with multiple protein expression systems, particularly baculovirus and/or mammalian expression, evidenced by a track record of prior work across different protein classes.
  • Experience in purifying biologics using techniques such as affinity chromatography (e.g., Protein A/G/L, Ni-NTA), ion exchange, size exclusion, and hydrophobic interaction chromatography.
  • Proficiency in analytical techniques such as SDS-PAGE, HPLC or UHPLC, and other relevant analytical methods.
  • Excellent troubleshooting skills, strong analytical abilities, meticulous attention to detail, and exceptional organizational skills.
  • High degree of independence, intellectual capacity, and initiative.
  • Strong work ethic and adaptability, with the ability to multitask and maintain a "can-do" attitude as R&D priorities shift.


Job Type: Full-time, Work Permit, Equal Opportunity Employment.