Scientist / Sr. Scientist

Ionis Pharmaceuticals; Carlsbad (CA); On-site; USD 85,000 - 115,000; Full time

Job summary

Ionis Pharmaceuticals in Carlsbad, California, is seeking an experienced analytical chemist for the Scientist/Senior Scientist level. The ideal candidate will develop and validate analytical methods for starting materials and peptides while ensuring compliance with GMP requirements.

The successful candidate will have a Ph.D. in analytical chemistry or a related discipline and at least 2 years of industry experience. Strong communication skills and proficiency in LC-MS, HPLC, and GC are essential for this role.

Qualifications

• Ph.D. in analytical chemistry or related discipline with at least 2 years of industry experience.
• Skilled in developing methods using LC-MS, HPLC, and GC.
• Practical knowledge of GMP requirements, with hands-on GMP experience preferred.

Responsibilities

• Develop and validate analytical methods for starting materials and peptides.
• Conduct routine and non-routine analysis of raw and starting material samples.
• Document and compile data for quality review.

Skills

Analytical chemistry techniques

LC-MS

HPLC

GC

GMP requirements

Problem-solving

Excellent communication

Education

Ph.D. in analytical chemistry or related discipline

Job description

Seeking an experienced analytical chemist to join our Analytical Development & Quality Control (ADQC) group at the Scientist / Senior Scientist level. The ideal candidate will be familiar with a broad range of analytical chemistry techniques, possess a strong work ethic and strong technical background, demonstrate excellent oral and written communication skills, and have experience working in a GMP environment. The successful candidate will be able to perform the following responsibilities with a high degree of independence and attention to detail.

Responsibilities

• Develop and validate analytical methods for starting materials and peptides.
• Characterize new reference standards by a variety of analytical techniques.
• Conduct routine and non‑routine analysis of raw and starting material samples.
• Document and compile data for quality review.
• Review data for compliance to specifications.
• Conduct analytical investigations.
• Author scientific reports and portions of the CMC section of regulatory filings.
• Author SOPs as needed (e.g., analytical methods, equipment procedures, and material specifications).
• Present at internal and cross‑functional scientific meetings.

Qualifications

• Ph.D. in analytical chemistry or related discipline with at least 2 years of industry experience.
• Skilled in developing methods using LC-MS, HPLC, and GC.
• Good understanding of the drug development process.
• Practical knowledge of GMP requirements, with hands‑on GMP experience preferred.
• Familiarity with ICH and FDA method validation guidelines, including phase‑appropriate strategies.
• Ability to problem‑solve, manage priorities and maintain aggressive timelines for multiple projects.
• Ability to work productively and independently within a team or matrix environment.
• Excellent written and verbal communication skills.