Cell Signaling Technology

Research Associate I - Peptide Synthesis

Job ID
Job Locations
Posted Date
4 months ago(1/18/2022 8:32 PM)
Product Development

Position Summary

Envision joining a company where you….

  • Collaborate with a group of amazing co-workers dedicated to helping the life sciences industry better understand the mechanisms of cell function and disease
  • Will be part of an international team whose contributions will have a major impact on both the company and the entire field of biomedical research
  • Continue your path to professional growth and development

The Role....

The mission of the Peptide Lab is to expeditiously synthesize and conjugate peptides to support all phases of the Product Development process, as well as the timely synthesis of peptides for any group within CST as requested.  In addition, team members are expected to demonstrate a drive for innovation by analyzing the Lab’s work processes then devising and implementing ways to make the processes more technologically advanced, efficient and cost effective.


A successful Research Associate I will contribute to a highly efficient, cohesive team that satisfies the peptidyl needs of the Product Development process and other groups throughout the company, is comfortable working independently in a high throughput production environment with a repeating weekly work schedule, and demonstrates a drive for innovation in order to change or improve work processes.


You'll have the opportunity to....

  • Prepare peptide synthesis queues, programs and set up peptide synthesizers
  • Cleave and precipitate peptides after synthesis
  • Freeze dry peptides on a lyophilizer
  • Prepare QC samples for HPLC and Maldi-TOF analysis and operate the HPLC and Maldi-TOF
  • Troubleshoot peptides when first round of QC analysis fails to provide adequate data
  • Conjugate peptides in the weekly Conjugation Queue
  • Perform HPLC purification of peptides
  • Perform Amino Acid Analysis of purified peptides
  • Coordinate with a variety of groups to quote, manufacture, package and ship for sale custom ordered peptides
  • Inventory raw materials and promptly place orders as necessary
  • Maintain and troubleshoot all lab equipment and instrumentation
  • Arrange for service calls if problem is beyond the capability of the lab
  • Respond to peptidyl inquires directed to the Peptide Lab in a timely, informative and professional manner

What you will bring to the team....

  • Bachelor's degree in Chemistry or Biology
  • 0-2 years' experience in a lab setting
  • Experience handling hazardous reagents and solvents
  • Excellent organizational skills and a strong attention to detail

What we offer....
At Cell Signaling Technology we recognize that people will always be our most important asset. Providing a safe, inclusive and stimulating working environment that understands the importance of diversity, human dignity and meaningful work is as important as establishing company policies that incorporate excellent health insurance and pay benefits. We recognize that development of people is the key to their happiness and thus ensure every employee has impactful discussions with their manager and develops actionable performance and professional development plans. Lastly, we are committed to engaging and supporting our employees in committees and philanthropy that benefit their local communities and environment through community investment programs.



  • Medical (BCBS) and Dental (Delta Dental) plans paid at 90%
  • Vision Insurance
  • Life Insurance, Short and Long Term Disability
  • Flexible Spending accounts
  • 401(k) Plan with 6% match
  • Tuition Reimbursement
  • Generous PTO package
  • Pet Insurance
  • Employee Assistance Program
  • Onsite Subsidized Cafeteria
  • Free Parking

Our number one priority is the health and safety of our employees, their families, our communities, partners and customers. In order to promote that safety and well-being, we require that all US-based employees be fully vaccinated against COVID-19 (including the booster shot, if eligible) by their start date. Applicants who receive an offer of employment who can provide documentation that the vaccine is medically contraindicated, or who object to vaccination due to a sincerely held religious belief, may make a request for exemption. We will consider requests for reasonable accommodations consistent with our policy, and where we are able to provide such accommodations without undue hardship to the company.


About CST

Cell Signaling Technology, Inc. (CST) is a private, family owned, worldwide leader in the development and commercialization of antibodies, assays and research tools. As a company of scientists for scientists, we have developed XMT® technology, a proprietary method to develop exceptional monoclonal antibodies, PTMScan®, a technology to discover protein post-translational modifications, and PhosphoSitePlus®, an online resource for investigation of post-translational modifications. We are passionate about our role in contributing to the life science industry’s advancing of the human condition through accelerating the discovery and development of innovative therapies for human disease. We are fully committed to developing new research tools to help define the mechanisms underlying cell function and disease, thereby broadly accelerating progress in biomedical research and medicine.


Cell Signaling Technology, Inc. is committed to providing equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, genetic information, status as a veteran or as a member of the military or status in any group protected by applicable federal or state laws.



All resumes submitted by search firms/employment agencies to any employee at Cell Signaling Technology, Inc. via email, the internet or in any form and/or method will be deemed the sole property of CST, unless such search firms/employment agencies were engaged by CST for this position and a valid agreement with CST is in place. In the event a candidate who was submitted outside of the CST agency engagement process is hired, no fee or payment of any kind will be paid.


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