Posted Sep 30, 2026

Process Development Chemist - Torrance

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About the position At PolyPeptide, your work directly impacts life-changing medicines. As a Process Development Chemist, you’ll be hands-on in peptide manufacturing, working with advanced synthesis, purification, and drying processes in a collaborative GMP environment. This is an ideal role for a chemist who enjoys precision, ownership, and seeing their work move from lab to customer. You’ll contribute to high-quality peptide production while building deep technical expertise alongside experienced chemists, all while upholding PolyPeptide’s commitment to safety, quality, and on-time delivery. Responsibilities • Execute peptide synthesis, purification, and drying operations in accordance with SOPs and Batch Production Records (BPRs) • Set up and verify reactor systems for proper operation • Measure, mix, and prepare chemical ingredients with accuracy and care • Monitor reaction progress and respond appropriately to ensure complete processing • Perform intermediate chemical processing steps under established safety and process guidelines • Prepare solutions for purification and purify crude peptides using HPLC • Conduct lyophilization and drying processes per validated procedures • Perform in-process analytical HPLC checks and communicate results to senior chemists • Make basic go/no-go processing decisions based on established criteria • Identify, report, and assist with troubleshooting equipment or process issues • Maintain high standards for safety, cleanliness, and GMP compliance • Support additional tasks as needed to meet production goals Requirements • Bachelor’s degree in Chemistry or Chemical Engineering • 2+ years of professional experience in a pharmaceutical or biotechnology laboratory • Hands-on experience with HPLC systems • Working knowledge of cGMP environments and documentation • Strong proficiency with Microsoft Office tools (Outlook, Excel, Word, PowerPoint, Teams) • Ability to work independently and collaboratively with minimal supervision • Flexibility to adapt quickly in a fast-paced, priority-shifting environment • Exceptional technical writing skills with strong attention to detail • Excellent organization, communication, and multitasking abilities Nice-to-haves • Chemical process execution and monitoring • Peptide purification and analytical techniques • GMP compliance and documentation accuracy • Attention to detail and quality mindset • Team collaboration and adaptability Benefits • Equal opportunity employer status