We use cookies. Find out more about it here. By continuing to browse this site you are agreeing to our use of cookies.
#alert
Back to search results
New

Scientist, Oligonucleotide Synthesis

GlaxoSmithKline
paid holidays
United States, Massachusetts, Cambridge
Feb 12, 2026
Site Name: USA - Massachusetts - Cambridge
Posted Date: Feb 11 2026

The successful candidate will help to establish pre-clinical capabilities within GSK's growing oligonucleotide 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 delivery 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 seeking professionals with the following required skills and qualifications to help us achieve our goals:

  • MS with 2+ or BS with 4+ years of experience in chemistry or chemical biology or related field.

  • 2+ years of experience in modern synthetic chemistry methods, particularly nucleosides, nucleotides, and oligonucleotide synthesis, purification, and analysis.

  • Familiarity with Mermade 192X with Poseidon software and AKTA Oligosynt synthesizers, Cytiva, AKTA 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 Qualification
If you have the following characteristics, it would be a plus

  • 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 outside 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.

What we offer in this role:
You will join a team that values curiosity, collaboration, and practical problem solving. You will have the chance to develop new skills, broaden your scientific experience, and make real impact on projects that advance patient-focused goals. We welcome candidates from diverse backgrounds and life experiences and invite you to bring your whole self to work.

Ready to apply?
If this role matches your skills and ambitions, we encourage you to apply. Tell us about your lab experience and the contributions you want to make. We look forward to learning more about you.

#LI-GSK

* If you are based in Cambridge, MA; Waltham, MA; Rockville, MD; or San Francisco, CA, the annual base salary for new hires in this position ranges $96,525 to $160,875.

The US salary ranges take into account a number of factors including work location within the US market, the candidate's skills, experience, education level and the market rate for the role. In addition, this position offers an annual bonus and eligibility to participate in our share based long term incentive program which is dependent on the level of the role. Available benefits include health care and other insurance benefits (for employee and family), retirement benefits, paid holidays, vacation, and paid caregiver/parental and medical leave.

If salary ranges are not displayed in the job posting for a specific country, the relevant compensation will be discussed during the recruitment process.

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.

Should you require any adjustments to our process to assist you in demonstrating your strengths and capabilities contact us at HR.AmericasSC-CS@gsk.com where you can also request a call.

Please note should your inquiry not relate to adjustments, we will not be able to support you through these channels. However, we have created a Recruitment FAQ guide. Click the link where you will find answers to multiple questions we receive

GSK is an Equal Opportunity Employer. This ensures that all qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, age, disability, genetic information (including family medical history), military service or any basis prohibited under federal, state or local law.

Important notice to Employment businesses/ Agencies

GSK does not accept referrals from employment businesses and/or employment agencies in respect of the vacancies posted on this site. All employment businesses/agencies are required to contact GSK's commercial and general procurement/human resources department to obtain prior written authorization before referring any candidates to GSK. The obtaining of prior written authorization is a condition precedent to any agreement (verbal or written) between the employment business/ agency and GSK. In the absence of such written authorization being obtained any actions undertaken by the employment business/agency shall be deemed to have been performed without the consent or contractual agreement of GSK. GSK shall therefore not be liable for any fees arising from such actions or any fees arising from any referrals by employment businesses/agencies in respect of the vacancies posted on this site.

Please note that if you are a US Licensed Healthcare Professional or Healthcare Professional as defined by the laws of the state issuing your license, GSK may be required to capture and report expenses GSK incurs, on your behalf, in the event you are afforded an interview for employment. This capture of applicable transfers of value is necessary to ensure GSK's compliance to all federal and state US Transparency requirements. For more information, please visit the Centers for Medicare and Medicaid Services (CMS) website at https://openpaymentsdata.cms.gov/

Applied = 0

(web-54bd5f4dd9-lsfmg)