Senior Research Associate (Immune Monitoring)

San Antonio, TX
Reports to:
Principal Scientist / Group Leader, Bioanalytical Services


Scorpion is a fast-growing CRO and CDMO located in the biotech and life sciences hub of San Antonio, Texas. We offer a range of services and analytical test methods to support pre-clinical studies for large molecule product development as well as biomanufacturing and we are looking for an experienced Senior Research Associate to join our team


ScorpionBio has an exciting opportunity for a Senior Research Associate to join the growing team of scientific staff in the Bioanalytical Services Group. This is a permanent, full-time role based in San Antonio, Texas. 

Reporting directly to the Principal Scientist / Group Leader the candidate will work with the team to achieve the contract research and development milestones. The candidate will perform assay optimization, execution of assay qualification plans, and data analysis under the direction of Group Leader. The candidate will be involved in the execution of experimental protocols, and qualified assays in the GLP/ GMP setting. The employee will be involved in analytical work to support clinical trials as well as for the CMC / biomanufacturing team. It is expected that up to 75% of the employee’s time will be spent at the bench.

The ideal candidate must be organized, motivated, and thrive in a fast-paced and dynamic biotech environment. She/he must be versatile and adapt to rapid change with a strong desire to make a significant impact.


  • Perform various assays for immune monitoring (ELISA, ELISPOT, flow cytometry)
  • Perform assays using conventional as well as spectral flow cytometers, perform data analysis using FlowJo or FCS Express. 
  • Perform ligand binding assays using Luminex, MSD, or Ella platforms. 
  • Perform various tissue culture-based techniques.
  • Perform routine maintenance of laboratory instruments. 
  • Execute method qualification plan, test method suitability plan, and test methods in GLP/GMP Quality System. 
  • Records all data / procedures in the lab notebook / electronic lab notebook. 
  • Execute laboratory workplans/schedules as per the client and / or company requirements.
  • Perform lot release testing, stability testing, and testing of clinical trial specimens. 
  • Attend relevant training courses, meetings, and conferences. 
  • Performs other work-related duties as assigned by the Supervisor / Group Leader. 


  • M.S or B.S. with 6+ years of relevant experience (Immunology/ virology/ cell biology / clinical research).
  • Experience of aseptic cell culture techniques is a must. Experience in one or more area including flow cytometry, multiplex ELISA is desirable. 
  • Experience of working in Biotech/Biopharmaceutical industry/clinical research facility and following Good Laboratory Practices (GLP) and /or Good Manufacturing Practices (GMP) is plus.


  • Outstanding people skills, teamwork, ability to build strong relationships with cross-functional team members and lead by example. 
  • Ability to take responsibility and “get the job done” in a high-energy, high-intensity, results-oriented environment.
  • Excellent verbal and written communication skills, strong presentation skills.
  • Must possess good to excellent writing and PC skills with a knowledge base in Microsoft Word, Excel, Power Point, and Project.
  • Working knowledge of FDA and other regulatory agency guidelines is preferred.


  • The essential functions of the job are usually performed in an environmentally controlled facility where the noise level in the work environment is usually moderate. This position may involve a combination of office and laboratory environments and automated equipment. 
  • While performing the job duties, the employee is regularly required to sit; reach with hands and arms and talk or hear. The employee is frequently required to stand and walk. The employee may sometimes be required to lift and/or move up to 20 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision and ability to adjust focus. The employee must have the manual dexterity and manual ability to effectively use computer terminals.
  • Full Time, 40 hours per week 
  • Flexibility is required, some weekend work may be needed and earlier or later start, and finish times may also be required. 

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