scientist iii - protein characterization & lc-ms.worcester, massachusettsposted august 14, 2026 job detailssummary$58 - $68.25 per hourcontractbachelor degreecategorylife, physical, and social science occupations reference 54323 job details job summary: Looking to advance your biopharmaceutical career with a premier industry leader? Randstad Life Sciences is seeking a Scientist III to join an elite Analytical Development team in Worcester, MA. In this full-time, on-site role, you will perform high-impact analytical characterization of therapeutic proteins, supporting innovative biologics from discovery through process development.

location:

Worcester, Massachusetts job type: Contract salary: $58.00 - 68.25 per hour work hours: 9 to 5 education: Bachelors responsibilities: Perform LC-MS experiments for intact/reduced mass analysis and peptide mapping to evaluate protein sequences and post-translational modifications. Execute separation and fractionation assays using HPLC/UPLC and AKTA systems. Perform biophysical characterization methods (e.g., DSC) and raw material analyses using vibrational spectroscopy. Design and execute robust experiments for analytical method development, troubleshooting, and investigative studies. Generate reliable data, maintain detailed electronic laboratory notebooks (ELN), and author technical characterization reports.

qualifications:

Required:

Bachelor's (5+ years experience) or Master's (2+ years experience) in Chemistry, Biology, Biochemistry, or related technical discipline. Proven experience in a biotech/pharmaceutical industry setting. Hands-on expertise with protein mass spectrometry, liquid chromatography (HPLC/UPLC), and fractionation (AKTA). Strong foundational understanding of protein structure, post-translational modifications, and characterization assays. Excellent technical writing, verbal communication, and organizational skills.

Preferred:

Experience using bioinformatics software to process and analyze mass spectrometry data. Familiarity with vibrational spectroscopy (IR, NIR, Raman) and multivariate analysis.

skills:

Biology, Chemistry, High Pressure Liquid Chromatography (HPLC), Liquid Chromatography (LC), Mass Spectrometry (MS), Good Laboratory Practices (GLP), Good Manufacturing Practices (GMP)

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 HRsupport@randstadusa.com. 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.