Thermo Fisher Scientific

Thermo Fisher Scientific

Posted via Workday

Staff Scientist – Mass Spectrometry Reagents / Proteomics

Posted Sep 17, 2026

Role at a glance

Job function
Engineering & R&D Biotechnology & Pharmaceutical R&D
Salary
$103.1K – $171.9K/yr
Location
Rockford, Illinois, United States
Work arrangement
On-site
Employment
Full-time
Education
PhD

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About the role

Original posting provided by Thermo Fisher Scientific

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Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Able to lift 40 lbs. without assistance, Cold Room/Freezers -22degreesF/-6degrees C, Laboratory Setting, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.), Will work with hazardous/toxic materials

Job Description

As part of the Thermo Fisher Scientific team, you’ll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world’s toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.

DESCRIPTION:

We are seeking an experienced Staff Scientist – MS Reagents / Proteomics to serve as a scientific leader and technical expert within our R&D organization. This role will lead and contribute to the development of innovative reagents, assays, kits, and workflows for mass spectrometry (MS)-based proteomics.

The successful candidate will apply expertise in protein biochemistry, MS sample preparation, quantitative proteomics, LC-MS method development, automation, and data processing to advance new products and technologies. You will independently initiate and lead research, evaluate emerging technologies, solve complex technical challenges, and help translate scientific concepts into robust and scalable products.

Working across R&D, Product Management, Manufacturing, Technical Service, commercial teams, customers, and collaborators, you will contribute to scientific strategy, product development, technology transfer, and technical decision-making. You will also mentor colleagues and communicate scientific work through technical presentations, publications, conferences, and intellectual property.

Key Responsibilities

  • Lead and contribute to R&D projects developing reagents, assays, kits, and workflows for MS-based proteomics.

  • Design, develop, and optimize MS sample preparation, quantitative proteomics, and LC-MS workflows and methods.

  • Independently plan and execute experiments, analyze data, troubleshoot complex technical challenges, and provide recommendations.

  • Evaluate emerging technologies and identify opportunities for new products, workflows, and technology advancement.

  • Partner with R&D leadership and Product Management on scientific direction and technical/business cases for new products and programs.

  • Collaborate with Manufacturing, Technical Service, commercial teams, customers, and external partners to support product development, technology transfer, and implementation.

  • Develop technical methods, documentation, reports, and scientific communications supporting new and existing products.

  • Lead cross-functional projects and provide technical guidance and mentorship to colleagues.

  • Present scientific work at conferences, customer meetings, and technical forums and contribute to publications, patents, and invention disclosures.

Qualifications

  • Ph.D. with 2+ years, M.S. with 6+ years, or B.S. with 8+ years of relevant experience in biochemistry, analytical chemistry, proteomics, mass spectrometry, or a related field.

  • Strong experience in protein biochemistry, MS sample preparation, quantitative proteomics, and LC-MS method development and data processing.

  • Demonstrated ability to independently design and execute experiments and solve complex scientific and technical problems.

  • Experience leading scientific projects and working effectively with cross-functional teams.

  • Strong analytical, organizational, technical writing, and communication skills.

  • Ability to work independently, influence stakeholders, and collaborate effectively within a matrix organization.

  • Ability to travel as needed for conferences and customer/collaborator meetings.

Preferred Qualifications

  • Experience with Thermo Scientific LC-MS systems and associated software.

  • Experience with proteomics sample preparation automation.

  • Experience in reagent, assay, kit, or workflow product development and validation.

  • Product development and/or project management experience.

  • Postdoctoral experience in proteomics, mass spectrometry, biochemistry, or a related field.

  • Experience presenting at scientific conferences and contributing to publications, patents, or invention disclosures.

Compensation and Benefits

The salary range estimated for this position based in Illinois is $103,100.00–$171,900.00.

This position may also be eligible to receive a variable annual bonus based on company, team, and/or individual performance results in accordance with company policy. We offer a comprehensive Total Rewards package that our U.S. colleagues and their families can count on, which includes:

  • A choice of national medical and dental plans, and a national vision plan, including health incentive programs

  • Employee assistance and family support programs, including commuter benefits and tuition reimbursement

  • At least 120 hours paid time off (PTO), 10 paid holidays annually, paid parental leave (3 weeks for bonding and 8 weeks for caregiver leave), accident and life insurance, and short- and long-term disability in accordance with company policy

  • Retirement and savings programs, such as our competitive 401(k) U.S. retirement savings plan

  • Employees’ Stock Purchase Plan (ESPP) offers eligible colleagues the opportunity to purchase company stock at a discount

For more information on our benefits, please visit: https://jobs.thermofisher.com/global/en/total-rewards

Thermo Fisher Scientific

About the company

Thermo Fisher Scientific

Large Enterprise

Thermo Fisher Scientific is a global leader in serving science, providing a wide range of analytical instruments, reagents, and software solutions for healthcare, pharmaceuticals, and life sciences research. With a commitment to innovation and quality, the company enables customers to make significant advancements in scientific discovery and healthcare diagnostics. Thermo Fisher operates in more than 50 countries and employs over 80,000 people, fostering a collaborative environment aimed at enhancing global health and safety. Through its broad portfolio of brands and technologies, the company plays a vital role in accelerating life-changing research and improving patient outcomes worldwide.