Senior Clinical Research Scientist Jobs in Pennsylvania
Senior Clinical Research Scientist jobs in Pennsylvania are open across Philadelphia, Exton, and Bristol and other Pennsylvania metros, with employers like Legend Biotech, Frontage Laboratories, and Abzena hiring at every experience level. Find a role that fits below and apply directly.
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Showing 5 of 8+ Senior Clinical Research Scientist jobs











Work Schedule
Standard (Mon-Fri)
Environmental Conditions
Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.)
Job Description
Description:
At Thermo Fisher Scientific, you’ll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life - enabling our customers to make the world healthier, cleaner and safer. We provide our teams with the resources needed to achieve individual career goals while taking science a step beyond through research, development and delivery of life-changing therapies. With clinical trials conducted in 100+ countries and ongoing development of novel frameworks for clinical research through our PPD clinical research portfolio, our work spans laboratory, digital and decentralized clinical trial services. Your determination to deliver quality and accuracy will improve health outcomes that people and communities depend on – now and in the future.
Location/Division Specific Information
Thermo Fisher's clinical research business is a leading global contract research organization and world leader in serving science. We are passionate, deliberate, and driven by our mission – to enable our clients to make the world healthier, safer, and cleaner.
Within our Analytical Services team, we have a functional service provider solution, which is an outstanding partnership that allows our customers to use the experience of our staff, while allowing you, the employee, to gain direct experience working onsite at a pharmaceutical/biopharmaceutical company, all while maintaining full-time benefits.
This is an onsite position located in Collegeville, PA.
Discover Impactful Work
The Senior Research Scientist independently performs, oversees, and directs a variety of routine to complex sample preparation and analysis procedures to quantitatively measure pharmaceutical compounds for Long-Acting Injectables. Responsible for strategic planning, review, and compilation of results and data comparison against SOP acceptance criteria, methodology, protocol, and product specifications. Provides strategic technical guidance and mentorship to the analytical team. Leads the development and implementation of new analytical methods and procedures. Acts as a primary point of contact for high-level client interactions and strategic project updates.
A Day in the Life
- Independently plans the best scientific approach to develop analytical methods and/or other specialty technologies studies that meet client requirements.
- Acts as on-site Subject Matter Expert (SME) for instrumentation / technique / technology.
- Evaluates available technical options to obtain desired quality of analytical results, economics, ease of introduction into a production environment, and robustness in analytical applications.
- Demonstrates viability of in-house developed methods by designing experiments or other appropriate aspects of specialty methodology or technology.
- Ability to lead client discussions regarding project definitions, technical information exchanges and discussions of project status. Provides recommendations to clients on technical and regulatory issues.
- Leads in developing innovative technology and in evaluating and implementing new capabilities.
- Completes all laboratory documentation in clear and accurate language and according to SOP and GLPs. Leads advanced troubleshooting for various equipment & instruments.
- Reviews protocols, compiles results from assignments and makes determination on acceptability per SOP acceptance criteria. Reviews overall study results and other project related technical documents.
Keys to Success
- Previous experience in or non-GMP development phase laboratory
- Bachelor's degree or equivalent and relevant formal academic / vocational qualification
- Previous experience that provides the knowledge, skills, and abilities to perform the job (comparable to 10+ years).
Knowledge, Skills, Abilities
- Demonstrated knowledge of multiple analytical techniques with an emphasis on dissolution testing, Apparatus 1, 2, & 4 dissolution, non-compendial or novel dissolution
- 2-5 years' experience doing method development on dissolution
- Experience leading or contributing to dissolution method development
- Knowledge of pH, pKa, buffer systems, surfactants, solubility
- Performs and interprets analyses using techniques such as RP-HPLC, SEC, UV-Vis, DLS, and SCISSor
- Knowledgeable about the drug formulation and development process
- Experienced in HPLC method development and understanding separation theory
- Has experience in testing of long acting parenterals/injectables (e.g., implants, injectable suspensions, in-situ-forming gels, etc.) or controlled/modified release formulations
- Able to contribute to innovative approaches to achieve project goals
- Proficient in Microsoft Excel and Word
- Experience with documenting using electronic laboratory notebooks
- Proven problem solving and troubleshooting abilities
- Good written and oral communication skills
- Time management and project management skills
- Self-starter but able to work in a collaborative team environment
- Demonstrated ability to mentor and coach junior staff to support professional growth and scientific excellence
Physical Requirements / Work Environment
Thermo Fisher Scientific values the health and wellbeing of our employees. We support and encourage individuals to create a healthy and balanced environment where they can thrive. Below is listed the working environment/requirements for this role:
- Able to communicate, receive, and understand information and ideas with diverse groups of people in a comprehensible and reasonable manner.
- Able to work upright and stationary and/or standing for typical working hours.
- Able to lift and move objects up to 50 pounds.
- Able to work in non-traditional work environments.
- Able to use and learn standard office equipment and technology with proficiency.
- May have exposure to potentially hazardous elements typically found in healthcare or laboratory environments.
- Ability to perform successfully under pressure while prioritizing and managing multiple projects or activities.
- This is an on-site based role with daily laboratory work.
See All 8 Senior Clinical Research Scientist Jobs in Pennsylvania
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Find JobsSenior Clinical Research Scientist Jobs by City in Pennsylvania
Where Pennsylvania roles are concentrated, by current openings.
Senior Clinical Research Scientist Job Market in Pennsylvania
A snapshot from current Pennsylvania openings, updated as new roles post.
Who's Hiring
- Legend Biotech3

- Frontage Laboratories2

- Abzena1

- Merck1

- Thermo Fisher Scientific1

Top Industries Hiring
- Biotechnology & Pharmaceuticals4
- Science & Research4
What Pennsylvania Employers Look For
The qualifications that appear most often in senior clinical research scientist jobs across Pennsylvania.
- Advanced degree (MS or PhD) in life sciences, pharmacy, or a related field
- Minimum five to eight years of clinical research experience in pharma, biotech, or CRO settings
- Direct experience authoring clinical study reports and regulatory submission documents
- Proficiency with electronic data capture systems such as Medidata Rave or Oracle Clinical
- Deep knowledge of ICH-GCP guidelines, FDA regulations, and GCP compliance standards
- Experience managing CRO relationships, site oversight, and cross-functional study teams
Senior Clinical Research Scientist Jobs in Pennsylvania: Frequently Asked Questions
How many senior clinical research scientist jobs are there in Pennsylvania?
There are 8+ senior clinical research scientist openings in Pennsylvania on Migrate Mate as of June 2026, with the most roles in Philadelphia, Exton, and Bristol. New positions post regularly as employers across Pennsylvania hire.
Which Pennsylvania cities have the most senior clinical research scientist jobs?
Philadelphia, Exton, and Bristol have the most senior clinical research scientist openings in Pennsylvania right now, with additional roles spread across smaller metros statewide.
Which companies hire senior clinical research scientists in Pennsylvania?
Employers hiring senior clinical research scientists in Pennsylvania include Legend Biotech, Frontage Laboratories, and Abzena, based on current listings on Migrate Mate as of June 2026.
Are there remote senior clinical research scientist jobs in Pennsylvania?
Yes. About 25% of senior clinical research scientist openings tied to Pennsylvania are remote or hybrid as of June 2026. The rest are on-site roles based in Pennsylvania metros.
How do I apply for senior clinical research scientist jobs in Pennsylvania?
You can apply to senior clinical research scientist jobs in Pennsylvania directly on Migrate Mate. Search the listings above, find roles that match your experience and preferred Pennsylvania location, then apply to each one that fits.
See All 8 Senior Clinical Research Scientist Jobs in Pennsylvania
Find roles in Pennsylvania that match your experience and apply in just a few clicks.
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