Engineer, Upstream​/Downstream Drug Substance Process Development & Tech Transfer – REMOTE; JP

Job Title: Engineer, Upstream/Downstream Drug Substance Process Development & Tech Transfer – REMOTE (JP15076)
Location: Thousand Oaks, CA. 91320 (100% Remote)
Employment Type: Contract
Business Unit: Drug Substance Technology Engineering
Duration: 1+ year (with likely extensions and/or conversion to permanent)
Posting Date: 03/5/26
Pay Rate: $36 - $41/hour W2
Notes: Only qualified candidates need apply. Remote - EST preferred - Open to all US remote candidates

3 Key Consulting is hiring an Engineer, Upstream/Downstream Drug Substance Process Development for a consulting engagement with our direct client, a leading global biopharmaceutical company.

Our ideal candidate will have 3+ years of experience in tech transfer of Biologics Drug Substance upstream and/or downstream required (Cell Culture, Harvest, Chromatography, filtration, UFDF unit ops), Knowledge of upstream and downstream processes/equipment; scale‑up factors, process deviations, quality attributes. GMP or lab experience is a nice to have. Strong problem solving and troubleshooting experience would be a plus.

Seeking a Process Development Engineer to join the Drug Substance Technology Engineering team at our client’s Cambridge, MA site. Providing strong process engineering/technology transfer support of human therapeutic products in clinical development through commercial production. Our mission is to translate developmental processes to commercial reality for patients through scientific expertise and engineering innovation.

The Engineer will apply process engineering knowledge in support of upstream and/or downstream technology transfer and clinical/commercial drug substance manufacturing in both stainless and single‑use formats. Will partner with manufacturing, quality, analytical, and bench scientists to support a highly dynamic technology transfer.

Supplement to the teams ongoing needs.

• At least 2 years of Biologics / Drug Substance tech transfer experience required (Cell culture / harvest / Chromatography / filtration / UFDF unit ops).
• At least 2 years of experience in the lab scale development work or in the manufacturing environment (pilot plant or GMP).
• Strong analytical capability, troubleshooting, and problem solving skills.

• Transfer processes for drug substance manufacturing and translate process improvements from the laboratory into manufacturing facilities.
• Provide technical support for successful scale‑up, transfer of process technology, and for clinical and/or commercial manufacturing operation.
• Assist in troubleshooting clinical and commercial runs.
• Execute data trending and statistical process analysis.
• Support technical direction for process‑related deviations, CAPAs, and change controls.
• Identify and support process‑related operational excellence opportunities.
• Represent process development and collaborate with other functions such as Manufacturing, Quality, and Regulatory.

• Master’s degree.
• Bachelor’s degree and 2 years of Engineering or Operations experience.
• Associate’s degree and 7 years of Engineering or Operations experience.
• High school diploma / GED and 8 years of Engineering or Operations experience.

• Master’s Degree in Chemical or Biochemical Engineering.
• 1+ years of Process Engineering experience preferably related to upstream and/or downstream purification of commercial cGMP manufacturing facilities.
• Background in biologics technology transfer into commercial facilities, new product introductions (NPIs).
• Biologics process knowledge:
  Knowledge of processes (cell culture, harvest, chromatography, viral filtration/inactivation, ultrafiltration/diafiltration, and final fill) and equipment; scale‑up factors, process deviations, quality attributes.
• Strong analytical capability, troubleshooting, and problem solving.
• Independently motivated with ability to multi‑task and work in teams, especially if remote or hybrid.
• Excellent written and verbal communication skills with technical writing and presentation experience.

• Too much experience (15+ years).
• Many job changes within a year or less.

We invite qualified candidates to send your resume to  If you decide that you’re not interested in pursuing this particular position, please feel free to take a look at the other positions on our website  You are also welcome to share this opportunity with anyone you think might be interested in applying for this role.