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Sr. Scientist - Mass Spec Development (LC-MS/MS)
Kansas City, US on-site full time senior Apr 15, 2026
About this role
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 Development 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 a study, from study setup through reporting, as well as development. You will also use your strong foundation in scientific principles/theories to assess data integrity and troubleshoot as needed.
Our Mass Spec Bioanalysis Development team uses LCMS (Liquid Chromatography Mass Spectrometry) techniques to conduct sophisticated sample preparation to meet bioanalytical needs for drug discovery, preclinical, and clinical studies, including bioanalysis of drugs and metabolites, biomarkers, and active endogenous compounds in biological fluids and tissues.
(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.)
WHO YOU ARE
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.
WHAT YOU’LL GET
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
WHO WE ARE
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 great people.
Learn more about what it is like to work at KCAS Bio
KCAS Bio is proud to be an Equal Opportunity Employer. Among other things, we provide equal employment opportunities without regard to race, color, religion, national origin, ancestry, marital status, veteran status, age, disability, pregnancy, genetic information, sex, sexual orientation, gender identity, or any other legally protected category; we recruit qualified candidates without regard to citizenship status based on internal processes that enable us to hire the right candidates consistent with the appropriate U.S. Immigration framework; and (3) we work with and provide reasonable accommodations to individuals with disabilities and for sincerely held religious beliefs, observances, and practices. Anyone who needs reasonable accommodation may send an email to kcasrecruiting@kcasbio.com or call 913-248-3000 (for TTY assistance call 711) and ask for Human Resources.
IND123
country: US
all locations: [Kansas City]
commitment: Regular - Full Time
department: Mass Spectrometry Bioanalysis
location: Kansas City
team: KC - Mass Spectrometry Bioanalysis - Dev
In this role, we will rely on you to:: Design and execute all phases of assigned projects, including sample preparation (extractions, enrichments/affinity capture, digestions), method development and qualification for LCMS, troubleshooting, data analysis, and report generation
Act as lead scientist, help to design experiments, provide work instructions, and technical training to more junior scientific staff in daily activities
Be responsible for all client communication related to study conduct
Be responsible for timeline adherence and communication of status to management as required
Ensure compliance of study activities with pertinent portion of study protocol, SOPs & any additional requirements
Be able to set up and change instrument configurations for various LCMS methods
Prepare and present data summaries for client updates
Act as a technical expert for all aspects of process design and problem-solving
Perform all aspects of the job in a way that supports the company brand and supports the company mission, vision, and values
To qualify specifically for this role, you will have:: Bachelor’s, Master’s, or PhD in Chemistry, Biochemistry or chemical/biochemical engineering, or related field with at least 5 years of experience with LC-MS/MS
2-3 years of experience overseeing projects
Bioanalytical sample preparation, Quantitative LC-MS/MS, and multi-dimensional chromatography
Experience with proteins and peptides as well as small molecule biomarkers is preferred
Experience with Reversed Phase and Hilic chromatography at the analytical and micro/nano flow rates or protein digestions and immunoaffinity enrichments (hybrid LCMS) is a plus