Job Description

Gilead Sciences seeks a materials science specialist to lead selection, qualification, and lifecycle management of raw materials and product-contact systems for biologics development and manufacturing. The role bridges technical development, manufacturing, quality, and regulatory functions to ensure process performance, product quality, and supply continuity.

Responsibilities

• Lead selection, qualification, characterization, and lifecycle management of raw materials and product-contact systems for biologics
• Develop phase-appropriate material risk assessments, define specifications, testing strategies, and mitigation approaches
• Drive material qualification from need identification through supplier selection, GMP implementation, and lifecycle monitoring
• Lead extractables and leachables assessments, chemical compatibility evaluations, and supplier document reviews; author technical reports
• Plan and execute laboratory or external testing to characterize material variability and investigate manufacturing issues

Requirements

• PhD in materials science, chemical engineering, chemistry, or related discipline with 2+ years experience; or MS with 6+; or BS with 8+ years
• Experience supporting biologic drug substance or product development, technology transfer, or manufacturing in regulated environment
• Expertise with materials including process chemicals, excipients, chromatography resins, filters, single-use systems, polymers, or primary packaging
• Working knowledge of material characterization, specifications, risk assessment, change management, and GMP requirements
• Ability to lead complex technical work independently, manage multiple priorities, and communicate recommendations cross-functionally
• Advanced knowledge of single-use technologies, polymer science, extractables and leachables, or chemical compatibility preferred

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