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Senior Biotechnologist

SoTalent
Portsmouth, NH Full Time
POSTED ON 10/13/2026
AVAILABLE BEFORE 11/11/2026

Senior Manufacturing Associate – Downstream Bioprocessing & Purification

Location: Portsmouth, NH

Work Arrangement: On-site, full-time

Schedule: Overnight shifts, 7:00 PM–7:00 AM, on a rotating 12-hour schedule

Role Overview

An opportunity is available for a Senior Manufacturing Associate to support downstream biopharmaceutical manufacturing and therapeutic protein production. This role focuses on purification processes, cGMP compliance, equipment troubleshooting, documentation, and supporting team performance within a regulated manufacturing environment.

Key Responsibilities

  • Lead and execute downstream manufacturing processes, including chromatography and filtration.
  • Monitor production activities to ensure compliance with standard operating procedures (SOPs), cGMP, and GDP requirements.
  • Troubleshoot complex equipment and process issues to support timely resolution.
  • Review and approve batch records and logbooks, and contribute to deviation investigations.
  • Train, mentor, and support manufacturing associates in purification processes and best practices.
  • Coordinate material movements and ensure production areas are prepared for manufacturing activities.
  • Contribute to continuous improvement initiatives focused on safety, quality, and operational efficiency.

Requirements

  • At least one year of downstream bioprocessing experience, with additional biotechnology industry experience required.
  • Knowledge of purification processes and filtration techniques.
  • Understanding of cGMP, manufacturing documentation, and process flow.
  • Experience training or mentoring colleagues in a manufacturing environment.
  • Strong communication, technical writing, and collaboration skills.
  • High school diploma or equivalent required.
  • Associate’s or bachelor’s degree in a science-related field preferred.

Schedule

The role follows a rotating overnight schedule of 12-hour shifts, from 7:00 PM to 7:00 AM:

  • Two days on, two days off
  • Three days on, two days off
  • Two days on, three days off

The cycle repeats.

Benefits

  • Medical, dental, and vision insurance
  • Performance-based compensation programmes
  • Career development and growth opportunities
  • Collaborative and inclusive working environment


Salary.com Estimation for Senior Biotechnologist in Portsmouth, NH
$68,246 to $89,463
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