Find & Apply For Chemist Jobs in Louisville, Colorado

Senior Principal Scientist - Bioanalytical Research Employer Eli Lilly and Company Location Louisville, Colorado Start date Jul 31, 2026 View more categories View less categories Discipline Regulatory , Science/R D , Biotechnology , Research Required Education Bachelors Degree Position Type Full time Hotbed Best Places to Work Apply now Save job Click to add the job to your shortlist You need to sign in or create an account to save a job. Send job Job Details Company Job Details At Lilly, the work is demanding because patients are waiting. We unite caring with discovery to help make life better for people around the world, knowing that every decision, every detail, and every day matters. Headquartered in Indianapolis, Indiana, our over 50,000 employees around the globe take on complex challenges to discover and deliver life-changing medicines, strengthen how health is understood and managed, and support the communities we serve. This is hard, urgent, selfless work—but it's work worth doing. If you're driven by purpose and ready to bring your best to work that truly matters for patients, we invite you to join us.

Organization Overview:

The Bioanalytical Research Group (BAR) in Investigative ADME/Toxicology and BioAnalytical Research at Louisville, CO is seeking an expert scientist skilled in small and large molecule mass spectrometry to deliver innovative ways to support Lilly's oncology portfolios. This role has an emphasis on bioanalysis of small molecule drug, especially radioligand therapeutics (RLT), with the possibility to expand into antibody-drug conjugates (ADC).

Primary Responsibilities:

Perform sample preparation (e.g. tissue homogenization, multiwave digestion, immunoaffinity enrichment, protein precipitation) and operate mass spectrometer to develop bioanalytical methods and perform quantitative bioanalysis (bioA) of small molecule or/and large molecule therapeutics from in-vitro and in-vivo samples. Investigate the structure-activity relationship (SAR) including pharmacokinetics (PK), biodistribution (bioD), biotransformation (BioT) and metabolite identification (metID) of drug molecules using

LC-MS/MS.

Collaborate with ADME project leaders to support fast-paced drug discovery projects. Serve as bioA representative and provide bioanalytical expertise to project team. Mentor junior scientists in developing their skills in LC-MS sample preparation, data analysis, visualization and reporting. Maintain and troubleshoot lab instruments to ensure their operation.

Job Requirements:

Bachelor's degree in science or engineering (chemistry, chemical engineering, bioengineering or related field) with at least 7 years of work experience, or master's degree in related field with at least 5 years of work experience. Experience with using inductively coupled plasma (ICP), triple quadrupole (QQQ), high-resolution mass spectrometer (HRMS, including QToF, Orbitrap) in bioA method development, qualification, and transfer. Experience with small and large molecule bioanalysis, including sample preparation (e.g. tissue homogenization, microwave assisted acid digestion), sample extraction (LLE, SPE, immunoprecipitation, protein precipitation) prior to MS. Experience of drug ADME principles in understanding PK, biodistribution and biotransformation of small and large molecule therapeutics. Qualified applicants must be authorized to work in the United States on a full-time basis. Lilly will not provide support for or sponsor work authorization or visas for this role, including but not limited to

F-1 CPT, F-1 OPT, F-1 STEM

OPT, J-1, H-1B, TN, O-1, E-3, H-1B1, or L-1.

Preferred Qualifications:

Experience with discovery and development of radioligand therapeutics and elemental analysis using Agilent 8900 ICP-MS. Hands-on experience in sample preparation, LC-MS bioanalytical workflow to support the bioA and metID of RLTs. Familiar with bioanalytical workflow of biotherapeutics (mAbs, ADC, siRNA, fusion protein, etc.), including immunoprecipitation, proteolytic digestion and deglycosylation. Bottom-up peptide, payload quantification using Sciex 6500/7500. Intact mass acquisition, top-down MS using Thermofisher Orbitrap Exploris 240/480/Tribrid instruments. Familiar with MS-related informatic tools to conduct in-depth data analysis - Mass Hunter, Biopharma Finder, QuantBrowser, MultiQuant, Biologics Explorer, Protein Metrics, MassMetaSite, etc. AI-based data analysis and report writing are an advantage. Previous experience in experiment documentation (eLN, signals, benchling, etc.), PK calculation (Phoenix, Watson LIMS, R-studio aNCA), data visualization (PRISM, BioRender) and report QC. Hands-on experience in automation instruments, such as Apricot, Hamilton, Tecan and KingFisher to support high-throughput bioanalytical assays. Lilly is dedicated to helping individuals with disabilities to actively engage in the workforce, ensuring equal opportunities when vying for positions. If you require accommodation to submit a resume for a position at Lilly, please complete the accommodation request form ( https://careers.lilly.com/us/en/workplace-accommodation ) for further assistance. Please note this is for individuals to request an accommodation as part of the application process and any other correspondence will not receive a response. Lilly is proud to be an EEO Employer and does not discriminate on the basis of age, race, color, religion, gender identity, sex, gender expression, sexual orientation, genetic information, ancestry, national origin, protected veteran status, disability, or any other legally protected status. Our employee resource groups (ERGs) offer strong support networks for their members and are open to all employees.

Our current groups include:

Africa, Middle East, Central Asia (AMECA), Black Employees at Lilly (BE@Lilly), Chinese Culture Network (CCN), EnAble, Evolve, Lilly Indian Network (LIN), Organization of Latinx at Lilly (OLA), Pride (LGBTQ+ Allies), Veterans Leadership Network (VLN) and Women's Initiative for Leading at Lilly (WILL). Actual compensation will depend on a candidate's education, experience, skills, and geographic location. The anticipated wage for this position is $71,250 - $213,400 Full-time equivalent employees also will be eligible for a company bonus (depending, in part, on company and individual performance). In addition, Lilly offers a comprehensive benefit program to eligible employees, including eligibility to participate in a company-sponsored 401(k); pension; vacation benefits; eligibility for medical, dental, vision and prescription drug benefits; flexible benefits (e.g., healthcare and/or dependent day care flexible spending accounts); life insurance and death benefits; certain time off and leave of absence benefits; and well-being benefits (e.g., employee assistance program, fitness benefits, and employee clubs and activities).Lilly reserves the right to amend, modify, or terminate its compensation and benefit programs in its sole discretion and Lilly's compensation practices and guidelines will apply regarding the details of any promotion or transfer of Lilly employees. #WeAreLilly Company Science has been our calling from the beginning. Colonel Eli Lilly founded the company in 1876 and charged employees to "take what you find here and make it better and better." More than 147 years later, we remain committed to his vision through every aspect of our business and the people we serve, starting with discovering the best treatments for those who take our medicines and extending to health care professionals, employees and the communities in which we live. Moreover, you can also count on the team at Lilly to be incredibly civic-minded, supporting our communities through philanthropy, volunteerism, and a creative and innovative can-do spirit. Company info Location 893 S Delaware St Indianapolis Indiana 46285 United States Share this job Facebook Twitter LinkedIn Apply now Send job Apply now Save job Click to add the job to your shortlist You need to sign in or create an account to save a job. Get job alerts Create a job alert and receive personalized job recommendations straight to your inbox. Create alert Similar jobs Senior Manager, Predictive Analytics Tarrytown, New York Scientist, Bioinformatics Englewood, NJ Senior Principal Scientist - Bioanalytical Sciences Tarrytown, New York