RD Associate

JOB TITLE: Senior Associate Scientist RD

LOCATION: Cambridge, MA

SCHEDULE: Standard EST Hours

DURATION: 13-Month Contract

PAY: $64-69/hr

Job Responsibilities:

In this role, you will support the development and optimization of therapeutic proteins within a research-focused laboratory environment. Key responsibilities include:

• Producing antibodies and recombinant proteins, including:
  
  o Transient expression workflows
  
  o Stable cell pool generation
  
  o CHO cell-based protein expression systems
  
• Preparing plasmid DNA to support protein production workflows
  
• Conducting plate-based assays (e.g., ELISA, MSD) to evaluate protein expression and binding
  
• Performing flow cytometry sample preparation and analysis for binding and expression studies
  
• Documenting experiments, protocols, and results in accordance with internal and regulatory standards
  
• Collaborating with cross-functional research teams to support scientific objectives
  
  

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  Essential Duties and Job Functions:

• Execute antibody and recombinant protein production using mammalian cell culture systems (CHO cells)
  
• Maintain and culture mammalian cells using aseptic techniques in shake flask systems
  
• Perform transient transfections and support development of stable cell pools
  
• Conduct protein characterization assays, including ELISA and MSD platforms
  
• Prepare samples and assist with flow cytometry-based assays and data interpretation
  
• Generate and maintain accurate, detailed laboratory documentation and records
  
• Analyze experimental data and communicate findings to team members
  
• Support troubleshooting and optimization of protein production and assay workflows
  
• Follow laboratory safety protocols and ensure compliance with internal standards
  
  

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  Knowledge & Skills:

• Strong hands-on experience with mammalian cell culture (CHO cells preferred)
  
• Knowledge of antibody and recombinant protein expression techniques
  
• Experience with plate-based assays such as ELISA and MSD
  
• Familiarity with flow cytometry workflows (sample prep and/or analysis)
  
• Understanding of molecular biology techniques (e.g., plasmid prep)
  
• Strong documentation practices and attention to detail
  
• Ability to analyze data and support data-driven decision-making
  
• Strong organizational and time management skills
  
• Effective written and verbal communication skills
  
• Ability to work collaboratively in a fast-paced research environment
  
  

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  Education & Experience:

• Bachelor of Science (BS) with a minimum of 2 years of relevant experience, OR
  
• Master of Science (MS) with 0–2 years of relevant experience
  
• Experience in protein therapeutics, antibody development, or related life sciences field preferred
  
• Experience with stable cell line generation, immunoassays, and protein purification is a plus
  

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