Sr. Scientist - Mass Spec Production; LC-MS​/MS

Performing critical work that impacts our industry and our world’s health while problem solving and innovating in the field – that is what Sr. Scientists at KCAS Bio get to do every day. If that gets you excited too, then maybe working as a Sr. Scientist at KCAS Bio is the role for you.

When you work as a Sr. Scientist in the Mass Spec Bioanalysis Production group at KCAS, you get to further our mission by leveraging your knowledge in bioanalytical and scientific principles to be responsible for carrying out all aspects of regulated studies, from study setup through reporting. You will also utilize your strong base in scientific principles and regulatory expectations to ensure data integrity, troubleshoot issues, and deliver high-quality results in a GLP-compliant environment.

• Execute and oversee all phases of assigned studies including sample preparation, LC-MS/MS analysis, data review, and report generation in a regulated environment
• Act as lead scientist on studies, providing work direction, technical guidance, and training to junior scientific staff
• Be responsible for all client communication related to study conduct and data delivery
• Interact with QAU to resolve audit findings, deviations, and compliance‑related issues
• Have final authority for sample identification, including resolution of discrepancies with clinical sites and/or clients
• Be accountable for study timelines, deliverables, and communication of status to management and clients
• Ensure compliance of all study activities with study protocols, SOPs & GLP regulatory requirements
• Review and ensure accuracy, completeness, and integrity of data prior to reporting
• Support audit readiness and participate in client and regulatory inspections as needed
• Act as a technical resource for troubleshooting assay performance and operational challenges within a production environment
• Perform all aspects of the job in a way that supports company brand and supports company mission, vision, and values

• Bachelor’s, Master’s, or PhD in Chemistry, Biochemistry, or related field with at least 5 years of experience in a bioanalytical laboratory environment
• Extensive hands‑on experience working in a GLP‑regulated laboratory environment (required)
• Strong experience with bioanalytical sample preparation and quantitative LC‑MS/MS workflows
• Experience executing regulated studies, including data review, reporting, and audit support
• Demonstrated ability to troubleshoot technical and operational issues in a production environment
• Experience interacting with Quality Assurance and supporting audits and inspections
• Prior experience acting as a study lead or Principal Investigator–type role preferred

(Please note this is a representative summary of responsibilities, not a comprehensive or exclusive list of the duties to be performed in any position. Employees must follow instructions and perform additional duties as requested.)

You will thrive at KCAS Bio if you enjoy a relational environment, are purpose- and values-driven, embrace constant development and supportive leadership, and enjoy being part of innovative work.

Our benefits include, and extend beyond, the traditional package. At KCAS Bio, you will enjoy company sponsored events like food trucks, family days and spirit days. You will grow in your career with KCAS University. You will be able to connect with like‑minded employees to further KCAS Bio's approach to key areas such as wellness, inclusion, and community outreach. You will engage as an owner in our stock ownership program.

You will have access to the latest technology. And you will be able to invest in the community with paid time off to volunteer.

Learn more about the Benefits at KCAS Bio

We are a fast‑growing contract research organization (CRO) headquartered in Kansas City, pioneering the latest drug development in both human and animal health fields. Demand for our expertise is growing and so is our need for great people to work in nimble, empowered teams committed to one another’s growth. At KCAS Bio, we advance both great science AND…