Downstream Process Engineer

Lexington, MA
job summary:
A leading pharmaceutical company in the greater Boston area is searching for a dynamic Downstream Specialist to drive, optimize, and safeguard our purification operations. In this role, you won't just watch the process-you will own it, troubleshoot it, and continuously elevate it to ensure we deliver life-changing drug substances to patients. We are seeking candidates with a B.S. 6+ years of relevant industry experience (downstream PD or MSAT preferred) or a M.S 3+ years of relevant industry experience (downstream PD or MSAT preferred).

This is a HYBRID (3 days on site and 2 days remote per week) contract position ranging from $66-$70/hr based upon experience. Please apply today!

location: LEXINGTON, Massachusetts
job type: Contract
salary: $60 - 70 per hour
work hours: 8am to 4pm
education: Masters

responsibilities:

  • Support and optimize critical downstream unit operations, including Capture steps, advanced chromatography column performance, filtration systems (NF, UF/DF), and final drug substance formulation/bottling.

  • Keep your finger on the pulse of production. Monitor, trend, and evaluate process data to ensure our downstream operations are running at peak efficiency.

  • Be the go-to technical expert on the floor, diagnosing and resolving complex process issues as they arise.

  • Collaborate directly with manufacturing teams to spearhead initiatives that improve process consistency, robustness, and yield.

  • Support our Quality System by authoring clear, well-documented technical assessments for process deviations and investigations.

  • Drive continuous compliance by assisting with robust CAPA (Corrective and Preventive Actions) and change control implementations.

  • Participate in an on-call rotation, providing the critical technical safety net that keeps manufacturing running smoothly.
qualifications:

  • Experience level: Experienced
  • Minimum 6 years of experience
  • Education: Masters

skills:
  • Professional Engineer
  • Process Control
  • Process Validation
  • Process Improvement


    Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

    At Randstad, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact [email protected].


    Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).


    This posting is open for thirty (30) days.

    It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Posted 2026-06-25

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