Research Associate III (Peptide / Protein Chemistry)

Posted Yesterday
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London, Greater London, England, GBR
In-Office
Entry level
Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
We’re in relentless pursuit of breakthroughs that change patients’ lives.
The Role
Supports pharmaceutical drug discovery and development by executing and optimizing peptide and protein characterization assays, developing analytical and quality-control methods, supporting in-vitro research, analyzing datasets, documenting experiments, and addressing Discovery and CMC characterization needs. The role requires wet-lab expertise in peptide or protein research, biological molecule characterization, strong communication, independent prioritization, and careful laboratory recordkeeping.
Summary Generated by Built In
Research Associate III (Peptide / Protein Chemistry)
Purpose of the Job:
The Scientist will support the drug development team, leveraging technical expertise in analytical chemistry to support the discovery and characterization of novel drug candidates and their clinical formulations.
The Impact you will have:
Under the guidance of the Research Director, the applicant's main roles will include:
  • Executing and optimising assays to characterise peptides and peptide formulations
  • Developing novel assays to address future bioanalysis needs
  • Developing quality control testing and characterisation assays
  • Providing general wet lab support for our in-vitro scientists
  • With short notice, working with the Discovery and CMC Teams to address their immediate peptide characterisation needs
  • Maintaining accurate written and computer-based records for all experiments and studies
  • Analysing large datasets and generating research reports

From time to time, other duties may include:
  • Undertaking any necessary training and/or development
  • Carrying out such other duties as necessary to assist in the smooth and efficient operation of the laboratory and facilities, including cleaning and maintenance

Required skills, education and experience:
  • MSc degree with further experience, or PhD degree in Chemistry, Biochemistry or related Life Sciences, or have equivalent academic and/or industrial experience
  • Wet lab experience in a molecular biology lab (industry or academia) with peptide or protein research background
  • Experience with executing and developing analytical methods and assays to characterise peptides or proteins
  • Experience with biological molecule characterisation techniques, e.g. LC (RP/SEC-HPLC), DLS / SLS
  • Comfortable in a fast-paced laboratory environment
  • Able to work methodically whilst delivering results to a high standard
  • Excellent verbal and written communication skills
  • Have a co-operative, flexible attitude towards work
  • Able to self-prioritise and mange own work with minimal supervision
  • Disciplined and considerate of confidentiality and security at all times

Preferred:
  • Experience with LCMS advantageous
  • Experience working in a biotech start-up advantageous

Purpose
Breakthroughs that change patients' lives... At Pfizer we are a patient centric company, guided by our four values: courage, joy, equity and excellence. Our breakthrough culture lends itself to our dedication to transforming millions of lives.
Digital Transformation Strategy
One bold way we are achieving our purpose is through our company wide digital transformation strategy. We are leading the way in adopting new data, modelling and automated solutions to further digitize and accelerate drug discovery and development with the aim of enhancing health outcomes and the patient experience.
Flexibility
We aim to create a trusting, flexible workplace culture which encourages employees to achieve work life harmony, attracts talent and enables everyone to be their best working self. Let's start the conversation!
Equal Employment Opportunity
We believe that a diverse and inclusive workforce is crucial to building a successful business. As an employer, Pfizer is committed to celebrating this, in all its forms - allowing for us to be as diverse as the patients and communities we serve. Together, we continue to build a culture that encourages, supports and empowers our employees.
DisAbility Confident
We are proud to be a Disability Confident Employer and we encourage you to put your best self forward with the knowledge and trust that we will make any reasonable adjustments necessary to support your application and future career. Our mission is unleashing the power of our people, especially those with unique superpowers. Your journey with Pfizer starts here!
To learn more about acceptable and prohibited uses of AI during the recruitment process, please review our candidate AI-use guidelines available on Pfizer Careers .
Research and Development

Skills Required

  • MSc degree with further experience, PhD degree in Chemistry, Biochemistry, or related Life Sciences, or equivalent academic or industrial experience
  • Wet-lab experience in a molecular biology laboratory with peptide or protein research experience
  • Experience executing and developing analytical methods and assays to characterize peptides or proteins
  • Experience with biological molecule characterization techniques such as LC, RP-HPLC, SEC-HPLC, DLS, or SLS
  • Ability to work effectively in a fast-paced laboratory environment
  • Methodical work style with consistent delivery of high-quality results
  • Excellent verbal and written communication skills
  • Cooperative and flexible attitude toward work
  • Ability to self-prioritize and manage work with minimal supervision
  • Discipline and consideration regarding confidentiality and security
  • Experience with LCMS
  • Experience working in a biotech start-up

What the Team is Saying

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Pfizer

Pfizer Compensation & Benefits Highlights

  • Healthcare Strength Health coverage is described as comprehensive, spanning medical, dental, vision, and robust mental‑health benefits, with eligible Pfizer medications available at no cost in U.S. plans. Family‑building support and transgender‑inclusive care are explicitly included, alongside wellbeing resources such as a reimbursement wallet and telehealth options.
  • Retirement Support Retirement programs feature a 401(k) with company matching plus an additional Retirement Savings Contribution, complemented by company‑subsidized life, short‑term disability, and long‑term disability insurance. Materials also reference subsidized retiree medical coverage for eligible groups.
  • Leave & Time Off Breadth Paid vacation, holidays, personal days, and paid parental and caregiver leave are consistently highlighted in current U.S. summaries and job postings. Options like buying extra vacation days and transition‑back support strengthen the time‑off offering.

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The Company
HQ: New York, NY
121,990 Employees
Year Founded: 1848

What We Do

Our purpose ensures that patients remain at the center of all we do. We live our purpose by sourcing the best science in the world; partnering with others in the healthcare system to improve access to our medicines; using digital technologies to enhance our drug discovery and development, as well as patient outcomes; and leading the conversation to advocate for pro-innovation/pro-patient policies.

Why Work With Us

We are the inventors, the problem solvers, the big thinkers — those who surmount any hurdle to deliver breakthrough medicines to the people who are counting on them the most.

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Pfizer Offices

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Employees engage in a combination of remote and on-site work.

Typical time on-site: 2.5 days a week
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