Research Associate II / III

Overview

The Research Associate II / III will be responsible for executing small-scale protein expression and automated purification workflows using liquid handling robotics. This role supports weekly production goals by processing a defined list of plasmids, delivering quantified, pure protein for downstream applications. The ideal candidate combines strong technical skills in molecular biology and protein biochemistry with attention to detail and a collaborative mindset.

Responsibilities

• Perform recombinant protein expression in bacterial systems (e.g., E. coli) following established protocols.
• Operate and maintain liquid handling robots and other laboratory automation platforms for protein purification.
• Execute purification techniques including affinity, ion-exchange, and size-exclusion chromatography (manual and automated).
• Quantify protein yield and purity using standard analytical methods (e.g., UV / Vis, SDS-PAGE, Western blot).
• Maintain accurate laboratory records, batch documentation, and inventory of plasmids and reagents.
• Troubleshoot and optimize expression and purification protocols as needed.
• Collaborate with scientists and engineers to refine workflows and support process improvements.
• Communicate results clearly to team members and contribute to formal reports as required.
• Adhere to safety and quality standards in all laboratory activities.

Qualifications

Salary and Benefits

The estimated base salary range for this role based in the United States is : $70,000 - $85,000. Compensation decisions are dependent on several factors including, but not limited to, level of the position, an individual's skills, knowledge and abilities, location, internal equity, and alignment with market data. Additionally, full-time employees are eligible for our discretionary bonus program and equity as part of the compensation package.

Quantum-Si is an E-Verify and equal opportunity employer regardless of race, color, ancestry, religion, gender, national origin, sexual orientation, age, citizenship, marital status, disability or veteran status. All your information will be kept confidential according to EEO guidelines.

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