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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 Research Associate

Job Description

  • Location: San Diego, CA
  • Type: Contract
  • Job #76389

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

Work Location

San Diego, CA



• Conduct target validation studies across a diverse range of oncology models, using CRISPR and tool compound approaches
• Perform organoid model development and maintenance
• Employ FACS and Western blots for cell analysis; ProteinSimple WES/JESS is a plus
• Perform dose-response curve experiments to assess drug efficacy
• Maintain and passage 2D/3D patient-derived tumor lines
• Perform gene editing and various molecular techniques to characterize edited cells.
• Oversee the cryopreservation of tissues and cell lines to ensure proper storage
• Adhere to company regulations by meticulously maintaining precise and comprehensive laboratory notebooks and other records
• Write laboratory protocols and standard operating procedures in a clear and concise manner
• Perform a wide variety of basic molecular biology procedures
• Assist team members with house-keeping tasks


• Solid hands-on experience with fundamental cell biology techniques such as:
o Mammalian cell culture (3D culture experience is a plus)
o Plate-based assays such as CTG, apoptosis, Incucyte
o Cryopreservation
• Proficiency in essential molecular biology techniques such as:
o Transfection and viral transduction techniques (overexpression, CRISPR KO)
o Western blotting
o Flow Cytometry
• Preference will be given to candidates with hands-on experience with 3D culture techniques
• Attention to detail and ability to perform delicate manual tasks in a laboratory
• Enthusiasm and demonstrated ability to learn and apply new laboratory techniques, skills, and instrumentations
• Ability to work both independently and as part of a team
• Strong communication skills (effectively conveying problems, protocols, and results to colleagues through clear written and verbal communication), and ability to maintain meticulous and comprehensive records
• Strong determination to drive projects to successful completion
• Able to effectively interact with colleagues of diverse backgrounds and contribute to team goals
• Fluency in the use of Microsoft Word, Excel, PowerPoint, and FlowJo


• M.Sc. degree in the biological sciences with 0-2 years of hands-on cell and molecular biology experience
• B.Sc. degree with 2+ years of hands-on cell and molecular biology experience

Pay Range:  $45-47

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