Senior LC-MS/MS Bioanalysis Scientist (Regulated CRO)

RXinsider LTD.; Lenexa, Northern (KS, KY); Hybrid; USD 95,000 - 150,000; Full time

Benefits offered by this job

Medical, Dental, Vision benefits

Life Insurance

Disability Insurance

401(k) with company match

Paid vacation and holidays

Job summary

Eurofins Scientific is seeking a Research Scientist / Senior Scientist to advance LC-MS/MS bioanalytical capabilities within a regulated CRO setting. You’ll contribute to method development, validation, transfer, and support sample analysis for diverse modalities (small molecules, peptides, oligos, ADCs, mAbs).

The role involves working with QA, Operations, and Scientific Leadership to implement assays in compliance with FDA/EMA/ICH M10, develop SOPs, and integrate LC-MS/MS services into the

Qualifications

• BS, MS, or PhD in Analytical Chemistry, Biochemistry, Pharmaceutical Sciences, Chemistry, or related field.
• 3–8+ years of bioanalytical lab experience.
• Hands-on LC-MS/MS method development and validation experience.
• Familiarity with FDA/EMA/ICH M10 guidance.
• Experience with bioanalytical analyte classes (Small molecules, Peptides, Oligonucleotides, ADCs, mAbs).
• Experience in CRO/pharma/biotech environments and with lab informatics systems (LIMS).

Responsibilities

• Develop, optimize, qualify, and validate LC-MS/MS bioanalytical methods for regulated studies.
• Perform sample prep, instrument operation, data analysis, and troubleshooting.
• Support routine sample analysis for preclinical and clinical studies.
• Assist with assay validation per FDA/EMA/ICH M10 guidance.
• Analyze data and contribute to study reports and technical documents.
• Author and revise SOPs, work instructions, validation protocols, and reports.
• Support onboarding, qualification, and maintenance of LC-MS/MS instruments and lab systems.
• Collaborate with QA, Operations, Project Management, and Scientific Leadership.
• Identify opportunities for process improvements and operational efficiencies.
• Maintain GLP/GCP and company quality compliance.

Skills

LC-MS/MS method development

Analytical chemistry

Regulatory knowledge

Technical writing

Cross-functional collaboration

Troubleshooting

Education

Analytical Chemistry / Biochemistry / Pharmaceutical Sciences

Tools

Waters

Sciex

Thermo Fisher

Shimadzu

Job description

Eurofins Scientific is seeking a Research Scientist / Senior Scientist to advance LC-MS/MS bioanalytical capabilities within a regulated CRO setting. You’ll contribute to method development, validation, transfer, and support sample analysis for diverse modalities (small molecules, peptides, oligos, ADCs, mAbs).

The role involves working with QA, Operations, and Scientific Leadership to implement assays in compliance with FDA/EMA/ICH M10, develop SOPs, and integrate LC-MS/MS services into the