Description

Site Name: USA - Massachusetts - Cambridge
Posted Date: Aug 25 2025

The successful candidate will help to establish pre-clinical capabilities within GSK's new oligo synthesis lab. Areas of focus are SPOS of modalities such as ASOs, siRNA, SSO, and RNA editors screening, high-throughput automation, conjugates, and method development. Your expertise will enable us to solve complex chemical challenges, pushing the boundaries of what's possible in oligonucleotide therapeutics

This role will provide YOU the opportunity to lead key activities to progress YOUR career. These responsibilities include some of the following:

• Support pre-clinical oligonucleotide high-throughput and mid-scale synthesis capabilities of ASOs, siRNA, SSO, and RNA editors with routine and novel next generation amidite chemistries.
• Perform hands-on work, maintain high-throughput automation workflows in support of routine and next generation chemistry and oligo method development.
• Maintain standard operating procedures (SOPs) for synthesis, processing, and purification to ensure high-quality, reproducible results.
• Work with the oligo analytical and conjugate chemistry teams to ensure accountability and excellence in oligonucleotide and conjugate synthesis.
• Collaborate with various teams to achieve synthetic project goals.

Why you?

Basic Qualifications:

We are looking for professionals with these required skills to achieve our goals:

• PhD with 0+ years, or MS with 2+ or BS with 4+ years' experience in chemistry or chemical biology or related field.
• 2 + years' experience in modern synthetic chemistry methods, particularly nucleosides, nucleotides, and oligonucleotide synthesis, purification, and analysis.
• Familiarity with Mermade 192X with Poseidon software and ÄKTA Oligosynt synthesizers, Cytiva, ÄKTA Avant and Pure purification systems with Unicorn software, and LC/HRMS, UPHLC, LC/MS analytics.
• Proficiency in oligonucleotide synthesis (SPOS), and biological understanding of RNA therapeutics (e.g. ASO, siRNA, SSO, RNA Editors).

Preferred Qualifications:

If you have the following characteristics, it would be a plus:

• MS with 2+ years or above (or PhD +0) in Oligonucleotide synthesis and/or Chemistry and/or related field.
• Team-focused with strong initiative and ability to troubleshoot challenges and implement new solutions.
• Excellent written and verbal communication skills, attention to detail, organizational skills, and the ability to collaborate effectively with a team are required.
• Experience with oligonucleotide conjugation chemistries is desirable but not required.
• Sense of urgency, flexibility, independence and accountability.
• Ability to communicate both verbally and in writing with all levels both inside and outsider of organization.
• Maintain a high level of integrity while balancing multiple priorities and responsibilities.
• Must be a committed team player prepared to work in and embrace a team-based culture.

#LI-GSK

Please visit GSK US Benefits Summary to learn more about the comprehensive benefits program GSK offers US employees.

Why GSK?
Uniting science, technology and talent to get ahead of disease together.

GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead of disease by preventing and treating it with innovation in specialty medicines and vaccines. We focus on four therapeutic areas: respiratory, immunology and inflammation; oncology; HIV; and infectious diseases - to impact health at scale.

People and patients around the world count on the medicines and vaccines we make, so we're committed to creating an environment where our people can thrive and focus on what matters most. Our culture of being ambitious for patients, accountable for impact and doing the right thing is the foundation for how, together, we deliver for patients, shareholders and our people.

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