Principal Scientist
$80k - $95kFresenius SE & Co. KGaA
Job Summary Provide leadership and direction to the Extractables & Leachables (E&L) team, managing study execution and associated processes to ensure efficient and compliant program delivery. Oversee the full lifecycle of E&L activities, including study design, protocol development, and execution, ensuring high-quality data generation to support regulatory submissions, including FDA applications. Conduct thorough technical evaluations and approve study reports, risk assessments, and documentation to ensure scientific integrity and compliance. Collaborate closely with analytical and formulation teams to align E&L strategies with product development goals and timelines. Serve as the primary owner of E&L activities, with the expectation to grow into a subject matter expert and provide strategic scientific guidance as the program evolves. Salary Range: $80,000-95,000 Final pay determinations will depend on various factors, including, but not limited to experience level, education, knowledge, skills, and abilities. Our benefits and programs are comprehensive and thoughtfully crafted to ensure our colleagues live healthy lives and have support when it matters most. Benefits offered include a 401(k) plan with company contributions, paid vacation, holiday and personal days, employee assistance program, and health benefits to include medical, prescription drug, dental and vision coverage. Responsibilities Lead and mentor the Extractables & Leachables (E&L) team, providing technical direction, prioritizing workstreams, and ensuring effective execution of study activities. Oversee the end-to-end E&L program, ensuring studies are designed, conducted, and reported in a timely, compliant, and scientifically sound manner to support product development and regulatory submissions. Collaborate cross-functionally with analytical, formulation, and development teams to align E&L strategies with overall product and regulatory objectives. Serve as the primary point of accountability for E&L activities, with the expectation to develop into a recognized subject matter expert and provide strategic guidance as the program evolves. Demonstrate deep knowledge and experience in regulatory expectations for Extractables & Leachables (E&L), including ISO, USP ( and ), EP, JP, ICH Q3E Guideline for Extractables and Leachables and applicable 21 CFR requirements, and review study design concepts to ensure alignment with global regulatory standards. Perform Extractable and Leachable testing in the lab, which includes method development, Method validation, and stability testing in a cGMP environment. Prepare and review regulatory affairs (RA) documentation for Extractables & Leachables (E&L) studies, ensuring alignment with global regulatory requirements, and effectively respond to FDA queries with clear, scientifically sound justifications supported by robust data and technical expertise. Hands‑on experience operating, maintaining, and troubleshooting GC/MS, HR-LC/MS, ICP-MS, refluxing, Soxhlet extraction, and Accelerated Solvent Extraction (ASE) and related analytical techniques for Extractables & Leachables testing in a cGMP‑compliant environment. Evaluate analytical results and identify trends/exceptions/interpretations of results relative to chemical characterization, product requirements, and toxicological assessment. Draft, review and approve E&L analytical testing protocols and reports. Knowledge and experience in mass spectral interpretation and unknown compound identification. Prepare E&L studies and safety assessment summaries for regulatory dossiers and address regulatory deficiency responses related to E&L. Understanding and effectively communicating the strategic focus/plan to team members. Communicate clearly with the manager, peers, cross‑functional teammates, and non‑technical audiences by openly sharing project status and hurdles while seeking input from other team members. All employees are responsible for ensuring compliance with company documents, programs, and activities related to the Health, Safety, Environment, Energy, and Quality Management Systems, as per your roles and responsibilities. Other duties as assigned and business needs. Requirements Bachelor’s degree in, Chemistry, Pharmaceutical Sciences Biological Sciences with seven plus years of related experience or a Master’s Degree in Pharmaceutical Sciences, Chemistry, Biological Sciences with 5 years of related experience or a PhD in Chemistry, Pharmaceutical Sciences, Biological Sciences, Chemical/Biomedical Engineering with one to three years of related experience is required. Sufficient knowledge and work experience in extractable and leachable or Mass spectrometry is a plus. Have a basic understanding and work experience in various mass spectrometry techniques, such as HS‑GC/MS, GC‑MS, HRLC/MS, and ICP/MS, to aid in data interpretation of chemical characterization of E&L compounds and unknown compound Identification. Prior Extractable and Leachable OR Mass spectrometry OR Trace level impurity analysis work experience in an industry or a CRO environment is a plus. Skills in designing and executing experiments, interpreting test results, and solving problems. Excellent written and verbal communication skills and should be a good team player. Flexible, adaptive, strong desire to work in a dynamic environment, responsive to urgency. Self‑motivated, empowered personality, result‑ and deadline‑oriented. Strong organizational skills, attention to detail, interpersonal skills, and ability to manage competing priorities are essential for success. Additional Information We offer an excellent salary and benefits package including medical, dental and vision coverage, as well as life insurance, disability, 401K with company contribution, and wellness program. Please note that joining our team does not create a guaranteed or permanent employment arrangement. All employment is at‑will, meaning both the employee and Fresenius Kabi have the right to end the employment relationship at any time, in accordance with applicable federal and state laws. Fresenius Kabi is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, citizenship, immigration status, disabilities, or protected veteran status. #J-18808-Ljbffr Fresenius SE & Co. KGaA
- Fresenius SE & Co. KGaA is looking for a leader for the Extractables & Leachables (E&L) team in Melrose Park, Illinois. You will manage study execution, ensuring compliance with regulatory standards while generating high-quality data to support product submissions. Your...Principal
$80k - $95k
Ivenix, Inc. is seeking a Principal Scientist in Melrose Park, IL, to lead the Extractables & Leachables (E&L) team. This role involves overseeing study execution, ensuring compliance with regulatory standards, and mentoring staff. Ideal candidates will hold a relevant...Principal$224k - $336k
...systems that are safe, reliable, and impactful in production. Job Description and Requirements ABOUT THE ROLE As a Principal Applied Scientist, Reliability, you will lead the design and validation of intelligent systems that customers can trust in highstakes legal...PrincipalRemote work- A leading food development company in Chicago is seeking a Senior Research and Development Scientist to lead the development and commercialization of bakery products. This role encompasses cookies, bars, and gluten-free products, involving collaboration across functions...Principal
$228.7k - $309.4k
...vision for this intelligence layer, leading a team of applied scientists working across GenAI and predictive modeling. You will shape how... ...different modeling paradigms and data modalities to guide principal and senior scientists in their most challenging and strategic...PrincipalLocal areaFlexible hours$92k - $95k
Ivenix, Inc. is seeking a Senior Scientist in Analytical Development located in Melrose Park, IL. The role involves method development, conducting analytical studies, and problem-solving within the laboratory environment. Candidates should have a Bachelor’s, Master’s or...$159k
...SBRT, HDR, TBI, IORT, hyperthermia, Online Adaptive RT. Dynamic Team: 6 faculty physicists, 3 clinical physicists, 1 physicist-scientist, 6 dosimetrists, 2 medical physics residents. Academic Excellence: Strong research environment with opportunities for collaboration...Full timeWork at officeRelocation$119k - $161k
Carlsbad Tech is seeking a z/VM Systems Programmer Sr Principal to support IBM Mainframes and enhance system functionality. Candidates should have 10+ years of experience with at least 7 years in a support role, and a relevant degree. Responsibilities include monitoring...PrincipalRemote jobFlexible hours$60k - $65k
LRES Corporation is seeking a Sr. Staff Scientist in Maywood, Illinois. The role involves hands-on experience in pharmacovigilance, including safety data analytics and literature surveillance, supporting clinical development programs, and participating in various research...Work experience placement$92k - $95k
Job Summary The Senior Scientist, Analytical Development conducts all aspects of Analytical Development including method development, experimentation, and record keeping. The incumbent must develop and implement methods that meet project needs. The position is responsible...$104.61k - $141.54k
A prominent educational institution in Illinois is seeking an Assistant Principal who will be responsible for facilitating the administration and coordination of the school. The role demands strong leadership skills, effective communication, and a commitment to student...Principal$95.6k - $148.4k
Economic Consulting Speaker Senior Consultant Your Journey at Crowe Starts Here: At Crowe, you can build a meaningful and rewarding career. With real flexibility to balance work with life moments, you're trusted to deliver results and make an impact. We embrace you...Local areaWorldwide$77.4k - $103.2k
Ingredion Incorporated seeks a highly skilled Sr. Tax Analyst for supporting U.S. and Canadian indirect tax operations in Westchester, Illinois. This hybrid role focuses on ensuring compliance, reporting, and continuous improvement in tax processes. The ideal candidate ...$75k - $108k
A prominent educational institution is seeking a Principal to lead initiatives in special education and manage academic standards. The candidate should possess an IL PEL with Principal Certification and have strong communication skills. Responsibilities include team leadership...Principal$155.7k - $190k
American Institutes for Research is seeking a Principal Researcher in Prescription Drug Policy. This role involves leading complex research with the Healthcare Innovations team and driving federal business development. Candidates should have a Ph.D. with 7+ years in relevant...PrincipalRemote job$83k - $94k
Berkeley School District #87 is seeking an Assistant Principal at Whittier Primary School for the 2026-2027 School Year. The role involves educational leadership and administrative responsibilities to create a comprehensive learning environment. The position offers a salary...Principal$450 per day
Elmhurst Community Unit School District 205 is seeking a dedicated leader in special education to coordinate and oversee essential programs that ensure student achievement and compliance. The candidate must have a Master's degree or equivalent and obtain an LBS1 certification...PrincipalDaily paidInterim role$22 - $25 per hour
...Req ID: 222538 Position Overview Davey Resource Group, a Davey Company, has opportunities for an experienced Environmental Scientist/ Restoration Specialist. Davey Resource Group is a leader in the natural resource and forestry consulting industries throughout the...Hourly payPermanent employmentFull timeContract workWork experience placementLocal areaMonday to FridayFlexible hours$40k - $50k
...communication Participate in liturgies, prayer services, and faith based activities Assume leadership duties in the absence of the Principal Qualifications Practicing Catholic in good standing Master’s degree in Education or Educational Leadership Valid teaching license;...Principal- Seton Academy in Villa Park, Illinois is looking for a part-time Principal to oversee school operations and lead faculty and staff. The ideal candidate should have knowledge of the Catholic faith, familiarity with the Montessori method, and leadership experience. Seton...PrincipalPart time
- ...JDA Program Management Principal Consultant SonSoft Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. SonSoft Inc is growing at a steady pace specializing in the fields of Software Development, Software Consultancy, and Information...PrincipalPermanent employmentFull timeH1b
- ...delegated by supervisor.Performs troubleshooting of instrumentation by applying problem solving skills.Provides guidance to Associate Scientist personnel when necessary.Documents testing in compliance with Good Documentation PracticesManages work and time based on...Permanent employmentWork at officeFlexible hours
- Fresenius Kabi in Melrose Park, Illinois is seeking a qualified individual to oversee the implementation of quality plans and ensure compliance with GCP standards in clinical trials. The role involves performing routine testing using instrumental methods, updating SOPs,...
$62.23k - $75.56k
LRES Corporation is seeking a Post-Doctoral Research Scholar for the Visick Lab at Loyola University Chicago. The position requires a Ph.D. in Microbiology or a related field, with a strong emphasis on bacteriology and molecular biology. Successful candidates will conduct...Full time- Fresenius SE & Co. KGaA in Melrose Park, Illinois, is seeking a Laboratory Technician responsible for collecting and testing environmental monitoring samples within aseptic processing areas. This role involves thorough monitoring and documentation in compliance with cGMP...Night shift
$70k - $75k
Job SummaryThe Scientist, Analytical Development conducts all aspects of Analytical Development including method development, experimentation, and record keeping. The incumbent must be able to develop and implement methods that meet projectneeds. The position is responsible...Permanent employment- A leading technology company is seeking a Principle Researcher in Workforce Intelligence, focusing on Machine Learning to drive strategic research initiatives. This role requires 10+ years of experience in data science, with advanced proficiency in Python, R, SQL, and ML...Principal
$75k
A prestigious research university in Chicago is seeking a Principal Researcher to support collaborative research with faculty. The role demands a PhD in a relevant field and proficiency in Python for statistical analysis. Responsibilities include conducting data collection...PrincipalFull timeWork at office- Job Description CatholicMontessoriSchool Hiring Part Time Principal What better way to evangelize than to spread the Good News to children! Seton Academy, a CatholicMontessorischool in Villa Park, Illinois, seeks a part-time Principal. The Principal works under the Board...PrincipalPart time
$197.3k - $313.7k
Salesforce is seeking a Principal Researcher, Workforce Intelligence in Chicago, Illinois. This role involves partnering with executive leadership to drive strategic research priorities utilizing machine learning and AI for organizational insights. Candidates should have...Principal
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Scientist. Be the first to apply!
- machine learning research scientist Melrose Park, IL
- drug safety scientist Melrose Park, IL
- qc scientist Melrose Park, IL
- scientist immunology Melrose Park, IL
- molecular biology scientist Melrose Park, IL
- support scientist Melrose Park, IL
- scientist biology Melrose Park, IL
- quality control scientist Melrose Park, IL
- scientist Melrose Park, IL
- research scientist Melrose Park, IL


