Demo

Principal Scientist

Medline
Mundelein, IL Full Time
POSTED ON 5/30/2026
AVAILABLE BEFORE 7/22/2026
Job Summary

The Principal Scientist is responsible for contributing to the development and support of products and technologies within the Chemistry R&D group at Medline. The ideal candidate will greatly contribute to the R&D department with mass spectrometry skills including structural elucidation of unknown compounds for the characterization of plastic packaging systems and medical devices. The Principal Scientist is a subject matter expert in the area of structural elucidation through mass spectrometry and the utilization of pertinent instruments, such as LC-MS, GC-MS and ICP-MS.

Responsibilities

Job Description

  • Independent, design and execute experiments using various analytical instruments such as liquid chromatography mass spectrometry (LC-MS), gas chromatography mass spectrometry (GC-MS), and inductively coupled plasma mass spectrometry (ICP-MS).
  • Is a leader for the department in the Mass Spectrometry field through innovation.
  • Uses mass spectrometry expertise for structural elucidation of unknown chemical compounds.
  • Facilitate and contribute to Operational Excellence in the Medline Chemistry Department.
  • Author of scientific documents, such as protocols, reports, and analytical methods.
  • Able to effectively communicate and present findings in a concise and organized manner in a form that is suitable for a wide-ranging audience.
  • Performs cross-functional activities to collaborate and communicate with different departments to establish requirements and timeline for project deliverables.
  • Guide and mentor Jr Chemist in the execution of experiments using LC-MS, GC-MS, and ICP-MS instrumentation and structural elucidation.
  • Performs Method Development and Method Validation activities.
  • Able to adapt to changes and has an agile mindset.
  • Demonstrates quality and detail-oriented work.
  • Excellent team player.

Qualifications

  • Bachelor’s degree in chemistry with at least 10 years of relevant experience, or Master’s degree with 8 years of relevant experience, or Doctorate degree with 5 years of relevant experience in the mass spectrometry field and unknown structure elucidation.
  • Required knowledge and relevant working experience (hands-on experience) with instrumental analysis including LC-MS, GC-MS, and ICP-MS.
  • Knowledgeable in structural elucidation of unknown chemical compounds through mass spectrometry.
  • Method Development and Method Validation as per FDA and ICH guidelines.
  • Good understanding of GxP practices.
  • Ability to learn quickly and to solve problems in a timely manner using critical thinking and analytical chemistry skills.
  • Able to work in a team environment and demonstrate an inclusive attitude.
  • Possess strong time management and project management skills.
  • Good ability to mentor Jr personnel.

Preferred Qualifications

  • Subject matter expert in the mass spectrometry field with strong focus on structural elucidation of unknown chemical compounds.
  • Knowledge in the E&L field for medical devices is a plus.

Medline Industries, LP, and its subsidiaries, offer a competitive total rewards package, continuing education & training, and tremendous potential with a growing worldwide organization.

The Anticipated Salary Range For This Position

$116,000.00 - $174,000.00 Annual

The actual salary will vary based on applicant’s location, education, experience, skills, and abilities. This role is bonus and/or incentive eligible. Medline will not pay less than the applicable minimum wage or salary threshold.

Our benefit package includes health insurance, life and disability, 401(k) contributions, paid time off, etc., for employees working 30 or more hours per week on average. For a more comprehensive list of our benefits please click here. For roles where employees work less than 30 hours per week, benefits include 401(k) contributions as well as access to the Employee Assistance Program, Employee Resource Groups and the Employee Service Corp.

We’re dedicated to creating a Medline where everyone feels they belong and can grow their career. We strive to do this by seeking diversity in all forms, acting inclusively, and ensuring that people have tools and resources to perform at their best. Explore our Belonging page here.

Medline Industries, LP is an equal opportunity employer. Medline evaluates qualified individuals without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, age, disability, neurodivergence, protected veteran status, marital or family status, caregiver responsibilities, genetic information, or any other characteristic protected by applicable federal, state, or local laws.

Salary : $116,000 - $174,000

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