Research Associate II, Downstream Processing

Full Time
Menlo Park, CA

Research Associate II, Downstream Processing

at Antheia (View all jobs)

Menlo Park, CA

Who We Are:

Antheia is a science and technology company developing next generation plant-inspired medicines. Applying synthetic biology, genomics, bioinformatics, data science, and fermentation, we harness the most beneficial molecules from plants to create active pharmaceutical ingredients in more controlled and economical ways. We are a close-knit team inspired by the possibilities of delivering transformative technologies and breakthrough science to change the course of medicine. We value our people as our most important resource and are always looking for talented individuals who can make valuable contributions to our efforts.

Step into an exciting role where you'll have the opportunity to shape processes from inception to execution. As a Research Associate II in DSP (Downstream Processing), you'll dive into the intricate world of impurity fate, product stability, and degradation mechanisms. Your main task will involve identifying unit operations and key parameters, crafting processes that not only meet targets but also optimize costs. From managing unit operations to collecting crucial data, you'll be instrumental in developing scalable processes for purifying bio-derived Starting Materials and APIs, spanning from bench to Pilot scale.

Proficiency in laboratory techniques such as sample preparation, Liquid-Solid separation, and Liquid-Liquid separation is essential. Collaboration will be key as you work closely with teams across Biology, Analytics, Operations, Quality, and Regulatory departments to ensure processes are sustainable and products meet specifications within established timelines.

If you're seeking a role where your expertise can drive meaningful progress in a collaborative environment, we invite you to explore this opportunity with us.

Primary Responsibilities

  • Comply with safety protocols and ensure the safety of co-workers
  • Comply with Regulatory and DEA requirements when required for handling, disposal and documentation
  • Support project teams to deliver on project goals
  • Perform studies following experimental protocols
  • Run regular unit operations and data collection for analysis
  • Preparation of samples for Analytical methods
  • Maintain equipment
  • Work cross functionally and provide documentation for transparency and reports
  • Perform other duties as assigned*


  • B.S. in Chemistry, or applicable area of study, and 2+ years industry experience, to include experience with small molecules
  • Compound isolation laboratory experience, and hands on experience with bench scale filtration, evaporation and crystallization
  • Analytical chemistry experience to include HPLC for analysis
  • Experience with Microsoft Excel
  • Experience writing reports
  • Must be able to lift up to 50 lbs
  • Flexibility in work hours based on project needs

Nice to haves (but not required):  

  • Demonstrated experience with scale up – bench to pilot scale
  • Experience working as a Process Chemist in an industrial setting
  • GMP experience
  • Experience with UPLC a plus


Additional Information:  
Full-time base salary range of $80,000 - $95,000 plus an annual bonus potential and equity opportunities.  

Title and compensation will be based on level of experience with requested qualifications.

*This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities and activities may change or new ones may be assigned at any time with or without notice.

Antheia’s compensation and benefits include:

  • Comprehensive compensation package, which includes annual bonus potential and equity opportunities
  • Paid time off, in addition to company-observed holidays
  • Excellent medical, dental, and vision insurance
  • 401(k) retirement savings plan
  • Free access to the Menlo Park Labs Gym
  • Menlo Park Labs free shuttle service to CalTrain, BART Station, and SF

Antheia is an equal opportunity employer and does not discriminate based on race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical conditions, veteran status, sexual orientation, gender (including gender identity and gender expression), taking or requesting statutorily protected leave, or any other basis protected by law. In addition, Antheia prohibits the harassment of any individual on any of the bases listed above or any other characteristics protected under federal, state, or local laws.

Legal authorization to work in the United States is required. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

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