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About TSR:

TSR is a relationship-based, customer-focused IT and technical services staffing company.

For over 40 years TSR, Inc. and its wholly owned subsidiary, TSR Consulting Services, have prospered in the Information Technology staffing business, earning the respect of companies both large and small with well refined candidate screening, timely placement, and a real understanding of the right skill sets required by our clients.

Mission & Vision

We do not believe in building a vision around the company but building a company around our vision, which is simply;

Every employee’s voice matters, their effort is appreciated, and their talent is rewarded.

We challenge each employee daily, to raise the bar on how we treat our consultants and candidates. For far too long in this industry, candidates have been ghosted, lied to, or placed at a client and then forgotten about. Each day our staff works tirelessly at qualifying and placing, top talent with our clients, in a compassionate and caring manner.

Not every candidate is a match for the job, but every candidate and consultant will be treated with respect and professionalism.

Senior Associate Scientist

Job Description

  • Location: Cambridge, MA
  • Type: Contract
  • Job #75987

Our client, a leading pharmaceutical company, is hiring a Senior Associate Scientist, on a contract basis.

Work Location:
Cambridge, MA – 100% On site

We are looking for a candidate who is passionate about stem cell research and discovery of new medicines for neurodegeneration and who appreciates the challenges and rewards in this field.

Knowledge/Skills Required/Education:

  • B.S with 4 years or MS with 2 years of experience in Biology, Molecular Biology related fields in industry or academic setting.
  • Requires a good understanding and practical experience in routine mammalian cell culture and microscopy.
  • Experience with molecular biology techniques such as western blotting, immunostaining, DNA & RNA extractions, and Qpcr.
  • Works under minimal supervision for routine activities and moderate supervision for non-routine activities.
  • Fast learner who can independently conduct experiments following established protocols and can develop new techniques.
  • Excellent communication, organizational and time management skills, adaptable and ability to multitask.
  • Ability to work effectively with others in a collaborative team environment.

Preferred Qualifications:

  • Significant cell culture experience with cell lines, primary cells.
  • Experience with iPSC differentiation to a variety of specialized neurons and subsequent characterization of iPSC-neurons.
  • Experience with high throughput cell biology including high content imaging, signal transduction assays or genetic screens.
  • Genome editing, CRISPR engineering, RNAi approaches.
  • Ability to learn and become independent to drive assay development efforts.


  • Perform cell culture (iPSCs, primary cells, immortalized cell lines) to support the research needs of the group.
  • Differentiate iPSCs to specialized CNS cell types.
  • Develop disease-relevant assays with iPSC-derived cells to drive target validation & drug discovery efforts.
  • Develop image-based high-content screening assays to capture disease-relevant phenotypes.
  • Organizes and maintains experimental data in lab notebook.
  • Participates in troubleshooting of routine experiments.


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