Senior Scientist, Biologics & Client Programs

Aragen Life Sciences; Morgan Hill (CA); On-site; USD 130,000 - 175,000; Full time

Job summary

Aragen Bioscience in Morgan Hill, CA seeks a Scientist/Senior Scientist in Protein Sciences & Biologics Development to lead client programs, mentor staff, and advance next-generation biologic therapeutics. This hands-on leadership role combines technical excellence with client delivery in a fast-paced CRO environment.

You will design and optimize expression constructs, lead protein engineering and downstream purification, and collaborate across teams to deliver high-quality data packages and

Qualifications

• Ph.D. or M.S. with extensive CRO/pharma industry experience and leadership.
• Strong protein sciences, cloning, vector design, and expression workflow experience.
• Proven track record leading external client projects and delivering successful outcomes.
• Minimum 2 years of direct people leadership, mentoring, or supervisory experience.

Responsibilities

• Lead and manage client-sponsored biologics development programs from concept through deliverable completion.
• Serve as the primary scientific contact for assigned clients, providing technical guidance, project updates, risk assessment, and strategic recommendations.
• Present scientific data, project milestones, and development strategies to internal and external stakeholders.
• Mentor and develop scientists, research associates, and junior team members through technical coaching and career development support.
• Drive project execution to ensure delivery of high-quality data packages, reports, and client deliverables within established timelines.
• Author and review technical reports, SOPs, study protocols, technical transfer documentation, and regulatory-supporting data packages.
• Collaborate with multidisciplinary teams to resolve complex scientific and operational challenges.
• Contribute to department innovation, workflow improvements, and scientific best practices.

Skills

Molecular biology

Protein engineering

Biologics development

Project management

Mentoring

Communication

Client leadership

Education

PhD in Molecular Biology/related field

MS in related field

Tools

FPLC (ÄKTA Avant/Pure)

ELNs

Computational biology tools

Job description

Aragen Bioscience in Morgan Hill, CA seeks a Scientist/Senior Scientist in Protein Sciences & Biologics Development to lead client programs, mentor staff, and advance next-generation biologic therapeutics. This hands-on leadership role combines technical excellence with client delivery in a fast-paced CRO environment.

You will design and optimize expression constructs, lead protein engineering and downstream purification, and collaborate across teams to deliver high-quality data packages and