10 Nov, 2021

Senior Purification Process Engineer

  • Merck
  • Burlington, MA, USA
Process Engineer Biochemicals / Pharmaceuticals Chemicals

Job Description

A career with MilliporeSigma is an ongoing journey of discovery: our 58,000 people are shaping how the world lives, works and plays through next generation advancements in Healthcare, Life Science and Electronics. For more than 350 years and across the world we have passionately pursued our curiosity to find novel and vibrant ways of enhancing the lives of others. MilliporeSigma is a business of Merck KGaA, Darmstadt, Germany.



US employees must be fully vaccinated against COVID-19 prior to your start date unless an accommodation is granted by The Company. The Company uses the definition of fully vaccinated assigned by the Centers for Disease Control & Prevention for purposes of considering satisfaction of this requirement which is a condition of employment.



The Americas MSAT group is part of a worldwide team of scientists and engineers that conducts biopharmaceutical process development, scale-up, and manufacturing support activities, known as Technical and Scientific Solutions. We work closely with our customers and our colleagues across the globe to solve the toughest problems in Life Science.


Learn more about why we love our jobs – great colleagues, a strong purpose, and having a positive impact on society – here: https://bit.ly/3lzrhJr


Your role: The Americas MSAT team is seeking a Sr. Purification Process Engineer to support chromatography resins, chromatography membranes, as well as associated systems and hardware.


In this customer facing role, you will work closely with our clients’ development and technical teams in partnership with MilliporeSigma's Sales Managers. Relying on sound engineering principles and a proven understanding of biopharmaceutical purification, you will serve as a key technical contact supporting biopharmaceutical clients with critical chromatography purification projects.


  • Guide clients with process development, scale-up, and implementation of MilliporeSigma chromatography resin and membrane products (i.e. Eshmuno®, Fractogel®, Natrix®, and ProSep®) for bioprocess applications such as antibody, vaccine, and viral vector purification.
  • Design and implement experimental protocols to understand process sensitivity and solve operational issues with minimal direction.
  • Critically analyze data and model process behavior to characterize process performance or identify root cause.
  • Clearly communicate recommendations to GMP biopharmaceutical customers.
  • Assist and train clients with resin column packing via remote consultation or on-site support.
  • Collaborate with Sales, R&D, Marketing, and Global MSAT colleagues to communicate Voice of the Customer and Market Trends.
  • Stay ahead of the latest development in chromatography technologies including continuous chromatography and purification of novel modalities.
  • Proactively seek out scientific leadership opportunities in industry forums to advance industry innovation
  • Provide occasional support for filtration-based purification technologies as needed.


In addition, demonstrating your knowledge in chromatography, you will help to guide customers with use and implementation of related chromatography hardware, single-use components, systems, and process control strategies.


  • Bachelor’s of Science in Chemical Engineering or Biotechnology with 7+ year’s related experience
  • Master’s of Science in Chemical Engineering with 5+ year’s related experience
  • PhD in Chemical Engineering or Biotechnology with 3+ years’ experience.
  • 3+ years practical experience with downstream biologics purification in a manufacturing or process development environment, including a knowledge of scale-up, process transfer, and cGMP manufacturing.
  • Travel requirement is 20-30%


  • In depth experience with chromatography operations at pilot or manufacturing scale, including column packing, process validation, and solving operational issues.
  • An understanding of bioprocess economics, as well as strong knowledge of scale-up and scale-down sizing principles.
  • A sound knowledge of process engineering fundamentals, especially fluid dynamics.
  • Ability to communicate technical concepts to colleagues and clients using excellent written and verbal communication skills.


Candidates with lesser experience are encouraged to apply for consideration as Purification Process Engineer II.


Preferred location is Burlington, Massachusetts; will consider candidates for remote position in Greater San Diego area or San Francisco area.



What we offer: With us, there are always opportunities to break new ground. We empower you to fulfil your ambitions, and our diverse businesses offer various career moves to seek new horizons. We trust you with responsibility early on and support you to draw your own career map that is responsive to your aspirations and priorities in life. Join us and bring your curiosity to life!

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