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Thermo Fisher Scientific

Senior Production Scientist – Organic Synthesis

3747 North Meridian Road, Rockford, IL

Full-time · $76k–$134k (as posted)

First seen by offpeak October 4, 2026

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Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Able to lift 40 lbs. without assistance, 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

Senior Production Scientist – Organic Synthesis

Work Location: Rockford, IL


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 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 developing solutions for some of the world’s toughest challenges.


How will you make an impact?


As a Senior Production Scientist – Organic Synthesis, you will play a key technical role in the manufacture of specialty chemical products within an ISO-regulated, Lean manufacturing environment.

You will independently perform small- and medium-scale organic synthesis, supporting the production of small-molecule crosslinkers, biotinylation reagents, resins, and other compounds at scales ranging from milligrams to kilograms. You will apply your expertise in organic chemistry and analytical techniques to troubleshoot processes, improve manufacturing performance, support new product introductions, and maintain high standards for quality and safety.

As a senior member of the laboratory team, you will also train and mentor less-experienced scientists and help drive continuous improvement across manufacturing operations.


What will you do?

How will you get here?

Education

Experience

Knowledge, Skills, and Abilities

Preferred Qualifications

Environmental, Health & Safety Requirements

This position may generate or manage hazardous waste as defined by the Illinois Environmental Protection Agency. Individuals in this position are required to complete initial hazardous-waste training within the first 30 working days of assignment and annual refresher training thereafter.

Training includes hazardous and solid waste identification, hazardous-waste management, recycling, treatment and disposal, emergency preparedness, recordkeeping, pollution prevention, and waste reduction.

All employees are expected to follow applicable safety procedures and contribute to a safe working environment.

Additional Information

This position has not been approved for relocation assistance.

At Thermo Fisher Scientific, we share a common set of values—Integrity, Intensity, Innovation, and Involvement—and work together to enable our customers to make the world healthier, cleaner and safer.

Compensation and Benefits

The salary range estimated for this position based in Illinois is $75,800.00–$133,675.00.

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:

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