Senior LC-MS/MS Bioanalytical Scientist – Regulated CRO

Eurofins; Lenexa, Northern (KS, KY); Hybrid; USD 85,000 - 120,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

401(k) with company match

Paid vacation and holidays

Life and disability insurance

Job summary

Eurofins Research Institute in Lenexa, KS, is hiring a Research Scientist/Senior Scientist to advance LC‑MS/MS bioanalytical capabilities within a regulated CRO environment. You will develop, validate, transfer, and support analyses for small molecules, peptides, ADCs, and mAbs, collaborating with QA, operations, and science leadership.

The ideal candidate brings hands-on LC‑MS/MS expertise and experience with FDA/EMA/ICH M10 guidelines, and contributes to SOPs, equipment onboarding, and quality

Qualifications

• BS, MS, or PhD in Analytical Chemistry, Biochemistry, Pharmaceutical Sciences, Chemistry, or related field.
• 3–8+ years of relevant bioanalytical laboratory experience.
• Hands-on LC‑MS/MS method development and validation experience.
• Familiarity with FDA, EMA, ICH M10 bioanalytical validation requirements.
• Experience with small molecules, peptides, oligonucleotides, ADCs, or mAbs.
• Experience in CRO/pharma/biotech environments.

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 activities per FDA/EMA/ICH M10.
• Analyze data and contribute to study reports and documentation.
• Author and revise SOPs, instructions, validation protocols, and reports.
• Support onboarding, qualification, and maintenance of LC‑MS/MS instrumentation.
• Collaborate with QA, Operations, PM, and Scientific Leadership.
• Identify opportunities for process improvements and efficiency.
• Maintain GLP, GCP, and quality requirements.

Skills

LC-MS/MS method development

Bioanalytical troubleshooting

Analytical writing

Regulatory compliance

Education

BS/MS/PhD in analytical chemistry or related

Tools

LC-MS/MS platforms (Waters)

LC-MS/MS platforms (Sciex)

LC-MS/MS platforms (Thermo Fisher)

LC-MS/MS platforms (Shimadzu)

Job description

Eurofins Research Institute in Lenexa, KS, is hiring a Research Scientist/Senior Scientist to advance LC‑MS/MS bioanalytical capabilities within a regulated CRO environment. You will develop, validate, transfer, and support analyses for small molecules, peptides, ADCs, and mAbs, collaborating with QA, operations, and science leadership.

The ideal candidate brings hands-on LC‑MS/MS expertise and experience with FDA/EMA/ICH M10 guidelines, and contributes to SOPs, equipment onboarding, and quality