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Associate Scientist, Cell Culture

GSK
Cambridge, MA Full Time
POSTED ON 12/9/2025 CLOSED ON 12/16/2025

What are the responsibilities and job description for the Associate Scientist, Cell Culture position at GSK?

At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion people by the end of the decade. R&D is committed to discovering and delivering transformational vaccines and medicines to prevent and change the course of disease.

We believe the Greater Boston area is an important hub for the biotech and pharma industry, which is why we’ve invested in growing our footprint and expanding our R&D space in Cambridge, with a primary focus on additional state-of-the-art lab space.

We are seeking a passionate and highly motivated scientist to join the Protein Biochemistry research team. In this role you will apply deep expertise in mammalian cell culture and DNA production/purification to support preclinical vaccine candidates. You will work collaboratively across multidisciplinary teams, introduce and refine laboratory methods, and contribute directly to multiple pipeline projects that impact candidates' progression.

Key Responsibilities:


  • Maintain cell culture capabilities for recombinant protein production in suspension culture.
  • Produce high-quality plasmid DNA and other nucleic acid reagents to support transfection and expression workflows; ensure appropriate QC (yield, purity, endotoxin where required).
  • Collaborate with purification, molecular design, biophysics and structural biology teams to prioritize samples and deliver materials on schedule.
  • Deliver reproducible, well-controlled experiments with clear documentation and data reporting.
  • Maintain laboratory equipment and manage cell culture consumables and inventories.
  • Ensure laboratory safety and compliance with relevant regulations and SOPs.
  • Keep current with field developments and proactively introduce relevant new methods.


Basic Qualifications:


  • BSc and 1 years of experience in protein biochemistry, cell biology, molecular biology or a related discipline.
  • 1 years of experience in suspension mammalian cell culture for recombinant protein production, preferably in an industrial research environment, national lab, or core facility.
  • 1 years of experience with HEK293 and CHO cell lines (transfection, expansion, cryopreservation, sterility/mycoplasma awareness).
  • 1 years of experience producing and purifying high-quality plasmid DNA.
  • 1 years of experience in using and maintaining cell culture equipment and handling consumables.


Preferred Qualifications:


  • MSc in a relevant discipline.
  • Experience with other expression systems (bacterial, insect, yeast).
  • Comfortable working across changing priorities and timelines.
  • Fluent in English.
  • Strong hands-on troubleshooting and problem-solving skills.
  • Demonstrated ability to manage multiple priorities and collaborate across teams.
  • Strong written and verbal communication skills.


#Vx-Cam

#EarlyCareers


  • 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 $73,838 to $123,063. 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 https://www.gsk.com/en-gb/careers/how-we-hire/frequently-asked-questions/ 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/

Salary : $73,838 - $123,063

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