Senior Analytical Chemist - LC-MS / SEC

Randstad USA; Trenton (NJ); Presencial; USD 56.000 - 63.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Medical

Dental

Vision

Life insurance

401K plan

Descripción de la vacante

Randstad USA is seeking an analytical Senior Scientist in Lawrenceville, NJ, to lead physicochemical characterization and conjugation of novel protein reagents. This fully onsite, 1-year contract offers exposure to advanced bioanalytical assays driving pipeline therapies and features a standard daytime schedule.

Responsibilities include leading LC-MS, SEC‑RI, and UV‑Vis analyses, developing and validating assays, and documenting results for cross-functional teams.

Formación

• Bachelor's degree in Chemistry, Biochemistry, or related science with 3+ years biotech experience, OR Master's with 1+ years.
• Experience with LC-MS, SEC, and RP-HPLC; knowledge of protein conjugation chemistry.
• Strong troubleshooting, data interpretation, and technical reporting; cross-functional collaboration.

Responsabilidades

• Design, execute, and interpret LC-MS, SEC‑RI, and UV‑Vis experiments to evaluate physicochemical properties of antibody and non-antibody protein reagents.
• Develop, validate, and implement qualitative and quantitative assays with minimal supervision.
• Support protein conjugation chemistry initiatives and refine characterization protocols across multiple analytical platforms.
• Troubleshoot complex analytical instrumentation and resolve technical malfunctions.
• Synthesize raw data into clear reports, present findings to cross‑functional project teams, and maintain thorough compliance documentation.

Conocimientos

LC-MS

SEC

SEC‑RI

Reverse Phase Chromatography

Protein Conjugation Chemistry

UV‑Vis

Assay Development

Method Validation

Instrument Troubleshooting

Data Interpretation

Flow Cytometry

Immunoassays

IHC

Educación

Bachelor's degree in Chemistry, Biochemistry, or related science

Master's degree

Herramientas

LC-MS instrumentation

SEC instrumentation

RP-HPLC platforms

Descripción del empleo

Job Summary

Advance breakthrough drug discovery with a Top-Tier Global Biopharma Leader in Lawrenceville, NJ. We are seeking an analytical Senior Scientist to spearhead the physicochemical characterization and conjugation of novel protein reagents. Located in the heart of New Jersey's premier biotech corridor, this fully onsite, standard day‑shift contract offers an exceptional platform to deploy advanced bioanalytical assays that directly drive critical pipeline therapies.

location: Lawrenceville, NJ

job type: 1 year contract

pay: $41 - $46 per hour

work hours: Monday through Friday, 9:00 AM - 5:00 PM

education: Bachelor's or Master's Degree

Responsibilities

• Design, execute, and interpret LC-MS, SEC‑RI, and UV‑Vis experiments to evaluate physicochemical properties of antibody and non-antibody protein reagents.
• Develop, validate, and implement qualitative and quantitative assays with minimal supervision.
• Support protein conjugation chemistry initiatives and refine characterization protocols across multiple analytical platforms.
• Troubleshoot complex analytical instrumentation and resolve technical malfunctions.
• Synthesize raw data into clear reports, present findings to cross‑functional project teams, and maintain thorough compliance documentation.

Qualifications

required:

• Bachelor's degree in Chemistry, Biochemistry, or related science with 3+ years of biotech experience, OR Master's degree with 1+ years.
• Proven theoretical and operational mastery of Mass Spectrometry (LC-MS), Size Exclusion Chromatography (SEC), and Reverse Phase Chromatography.
• Foundational understanding of protein conjugation chemistry principles.
• Demonstrated track record of independent assay troubleshooting, data interpretation, and technical reporting.
• Strong cross‑functional collaboration and communication skills.

Preferred

• Direct industry experience with antibody conjugation chemistry.
• Working knowledge of orthogonal analytical platforms such as immunoassays, IHC, or flow cytometry.

skills

LC-MS, Size Exclusion Chromatography (SEC), SEC‑RI, Reverse Phase Chromatography, Protein Conjugation Chemistry, UV‑Vis, Assay Development, Method Validation, Instrument Troubleshooting, Data Interpretation, Flow Cytometry, Immunoassays, IHC

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.

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
• life insurance offerings
• short‑term disability
• 401K plan (all benefits are based on eligibility)

This posting is open for thirty (30) days.