Senior Research Associate

Piper Companies is seeking a Senior Research Associate to support protein expression and purification activities for a biotechnology company advancing immunology programs. The Senior Research Associate will execute established laboratory protocols, generate high-quality protein material, and maintain accurate experimental documentation. The Senior Research Associate is a 6-12 month contract opportunity and requires you to work onsite in Cambridge, MA.

Responsibilities of the Senior Research Associate:

 

• Perform recombinant protein expression and ÄKTA/FPLC purification.
  
  

 

• Purify cytosolic, secreted, and inclusion body-derived proteins.
  
  

 

• Perform basic protein characterization and quality control.
  
  

 

• Maintain accurate experimental records and electronic lab notebooks (ELN).
  
  

 

• Collaborate with laboratory teams to meet project timelines.
  
  

Requirements of the Senior Research Associate:

 

• BS or MS in Biochemistry, Molecular Biology, Biotechnology, or related discipline.
  
  

 

• 2-5 years of relevant laboratory or industry experience.
  
  

 

• Hands-on protein expression, purification, and inclusion body experience.
  
  

 

• Experience with ÄKTA, FPLC, or similar chromatography systems.
  
  

 

• Strong documentation, organization, and communication skills.
  
  

 

• Cell culture, immunology, or mass spectrometry experience is a plus.
  
  

Compensation for the Senior Research Associate:

 

• Salary range: $50.00 - $65.00 per hour
  
  

 

• Full Comprehensive Benefits: Health, Vision, Dental, PTO, Paid Holiday and Sick Leave if Required by Law.
  
  

Keywords:

Senior Research Associate, protein expression, protein purification, ÄKTA, FPLC, chromatography, inclusion bodies, recombinant proteins, protein characterization, immunology, cell culture, mass spectrometry, ELN

This job opens for applications on 10/2/2026. Applications for this job will be accepted for at least 30 days from the posting date.

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