Research Scientist III / Senior Scientist

About Mosaic Diagnostics

At Mosaic Diagnostics, we are transforming diagnostic testing through innovative science and a commitment to excellence. Our team develops advanced laboratory solutions that empower clinicians and improve patient outcomes. Join a fast-growing company where your expertise directly contributes to cutting-edge diagnostic development and meaningful healthcare impact.

Position Overview

We are seeking a highly experienced Research Scientist III / Senior Scientist to lead assay development efforts within our Research & Development team. This senior-level scientist will independently drive complex projects from concept through validation, collaborate cross-functionally across departments, and provide mentorship to junior scientists. The ideal candidate will bring deep technical expertise, strong leadership capabilities, and a passion for innovation in the fields of LC-MS, Analytical Chemistry, Molecular Biology, or Immunology.

Key Responsibilities

• Lead assay development from conceptual design to full validation in alignment with regulatory standards.
• Independently analyze and interpret complex datasets to support method development and troubleshooting.
• Draft and review technical documentation, including SOPs, validation protocols, and validation reports.
• Troubleshoot analytical challenges and continuously optimize laboratory workflows and instrumentation.
• Collaborate with cross-functional teams to advance research goals and ensure project success.
• Provide mentorship and technical guidance to junior and mid-level scientists.
• Stay informed on technological innovations, regulatory changes, and industry best practices through active learning, webinars, and conferences.
• Contribute to a culture of scientific excellence, quality, and continuous improvement.
• Perform additional duties as needed to support departmental and company-wide objectives.

Education:

• PhD in Analytical Chemistry, Molecular Biology, Immunology, Biochemistry, or related field (preferred).
• Master’s or Bachelor’s degree with significant relevant experience may also be considered.

Experience:

• PhD with 5–8 years of laboratory experience focused on assay development and validation.
• In the absence of a PhD, a minimum of 10 years of directly relevant experience.
• At least 1–2 years of leadership experience managing multiple concurrent projects.

Required Skills and Competencies:

• Advanced expertise in LC-MS, Analytical Chemistry, Molecular Biology, or Immunology techniques.
• Proven ability to lead assay development projects from concept through validation.
• Experience working in a high-complexity laboratory setting with proficiency in instrumentation and data analysis tools.
• Strong troubleshooting skills and ability to optimize experimental workflows.
• Familiarity with regulatory guidelines for LDTs (e.g., CLIA, CAP, ISO).
• Demonstrated experience mentoring and training junior scientists.
• Ability to design scientifically rigorous experiments and isolate key variables.
• Excellent communication skills with the ability to lead cross-functional discussions and collaborate effectively.
• Highly organized, detail-oriented, and capable of managing multiple priorities in a fast-paced environment.
• Strong commitment to quality, safety, and regulatory compliance.

Physical Requirements

• Prolonged periods of sitting and computer use.
• Occasional standing and stair climbing.
• Vision requirements include close focus and the ability to adjust focus.