Scientist I​/II – Bioanalytical Sciences; LC-MS​/MS

Position: Scientist I/II – Bioanalytical Sciences (LC-MS/MS)

Location: Exton, PA (onsite)

Salary Range: $55,000-$68,000

About Pharmaron

Pharmaron is a global contract research and manufacturing organization (CRO/CDMO) helping pharma and biotech companies bring new therapies to life. With over 25,000 employees worldwide across 28 locations in the US, UK, China, and Singapore, we support drug discovery through to manufacturing with fully integrated high-quality services.

We're proud of the impact we make and just last year, we supported 887 discovery projects
, 1,100+ CMC programs
, and 1,397 clinical trials across all phases. Our teams are involved in everything from small molecules, ADC's, biologics, and gene therapies and we work with more than 3,300 global customers
. To learn more, visit

Are you passionate about analytical science and eager to make an impact on drug discovery? We are seeking a Scientist I/II to join our Bioanalytical Sciences team. In this role, you'll support a wide range of Drug Metabolism and Pharmacokinetics (DMPK) and regulated bioanalytical studies, utilizing advanced LC-MS/MS technologies to generate high-quality data that drives critical research decisions.

This is an excellent opportunity for scientists who enjoy hands-on laboratory work, scientific problem-solving, and collaborating with multidisciplinary teams in a fast-paced Contract Research Organization (CRO) environment.

As a Scientist I/II, you will independently execute bioanalytical studies while contributing to scientific excellence and exceptional client service.

• Design scientifically sound studies that meet client and internal project objectives.
• Perform sample analysis for DMPK and regulated bioanalytical studies using HPLC and LC-MS/MS methodologies.
• Execute bioanalytical assays in accordance with development and Good Laboratory Practice (GLP) guidelines.
• Review and execute study protocols while ensuring compliance with quality standards.
• Author study protocols, technical reports, and scientific summaries.
• Process, analyze, review, and interpret analytical data with a high level of accuracy.
• Troubleshoot analytical methods and proactively resolve study-related challenges.
• Collaborate with cross-functional teams including scientists, project management, laboratory operations, sales, and leadership.
• Contribute to continuous improvement initiatives that enhance laboratory operations and client satisfaction.
• Serve as a Principal Investigator (PI) or Study Director (Scientist II level) as appropriate.

• Bachelor's degree in Pharmaceutical Sciences, Life Sciences, Chemistry, Biochemistry, or a related scientific discipline.
• 1–3 years of experience performing bioanalytical testing in a development or GLP laboratory environment.
• 1–3 years of experience operating HPLC and/or LC-MS/MS instrumentation.
• Strong scientific writing, documentation, and data analysis skills.
• Excellent verbal and written communication abilities.
• Ability to work independently while contributing effectively within a collaborative team environment.

• Master's degree in Pharmaceutical Sciences, Life Sciences, or a related field.
• Experience with Agilent or Waters LC-MS/MS platforms.
• Knowledge of additional chromatographic techniques and conventional HPLC detection systems.
• Experience working in a Contract Research Organization (CRO) or regulated laboratory

environment.

We're looking for someone who:

• Thrives in a fast-paced, collaborative laboratory environment.
• Demonstrates exceptional attention to detail and scientific accuracy.
• Effectively manages multiple priorities while meeting project deadlines.
• Takes initiative to solve technical challenges and improve laboratory processes.
• Maintains a strong commitment to quality, compliance, and continuous learning.
• Communicates effectively with colleagues, clients, and cross-functional partners.

• Full-time, on-site laboratory position.
• Combination of laboratory and office work.
• Ability to stand or sit for extended periods throughout the workday.
• Ability to lift up to 15 pounds.
• Frequent use of laboratory equipment, computers, and…