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Senior Scientist, Molecule Chemical Engineering

Job in Rahway, Union County, New Jersey, 07065, USA
Listing for: Merck
Full Time position
Listed on 2026-06-29
Job specializations:
  • Engineering
    Process Engineer, Chemical Engineer, Research Scientist
Job Description & How to Apply Below
Position: Senior Scientist, Small Molecule Chemical Engineering
** Job Description*
* The Chemical Commercialization Technology (CCT) department, which is part of our Manufacturing Division, is seeking a self-motivated individual who is looking for an opportunity to work in a highly collaborative environment that provides substantial technical responsibility and leadership of internal and external work.

The Senior Scientist, Engineering position leverages scientific/technical experience to develop safe and robust manufacturing processes through process characterization, technology transfer, validation, filing and supply support of late-stage projects in the small molecule pipeline.

The candidate will provide scientific expertise by learning and utilizing Quality Risk Management methodologies and tools for statistical design of experiments. This role involves hands-on experimentation at the laboratory bench and kilo lab scales in addition to technology transfer to commercial manufacturing facilities. The scientist will be expected to exhibit a mindset of safety and quality compliance, which will include following current Good Manufacturing Practices (cGMPs), and participating in risk assessments, deviation investigations, and Good Documentation Practices (GDPs).

** Position Qualifications**  **:*
* ** Education Minimum Requirement:*
* The position requires a BS and/or MS with a minimum of 5 years relevant work experience or PhD in Chemical Engineering from an accredited college/university

** Required

Experience and Skills:

*
* Relevant work experience in chemical process development, including the following:

+ Demonstrated capability to develop and execute an experimental program to address issues of process design, robustness and productivity

+ Highly effective communication and collaboration skills

+ Good organizational, interpersonal, writing, and time management skills

+ Ability to operate within a cross-functional process development team

** Preferred

Experience and Skills:

*
* + Experience performing lab-based research/process development including performing unit operations common in small molecule drug substance process development such as chemical reactions, work-up, and crystallization

+ Experience leading regulatory file authoring, validation planning and execution

+ Experience guiding internal/external technical discussions

+ Familiarity with statistical design and analysis tools

+

Experience with process scale-up and technology transfer, moving from laboratory to pilot plant or factory

+ Familiarity with concepts and application of current Good Manufacturing Practices (cGMPs) ideally during pharmaceutical drug substance / drug product development and production, e.g. in a pilot and/or factory setting

+

Experience with mathematical modeling, theoretical scaling calculations, and Quality by Design principles.

*
* Required Skills:

*
* cGMP Regulations, Chemical Engineering, Chemical Manufacturing, Chemical Processes, Chromatographic Techniques, Design of Experiments (DOE), Process Characterization, Process Scale Up, Reaction Engineering, Small Molecule Synthesis, Technology Transfer

** Preferred

Skills:

*
* Current Employees apply HERE ($6687.htmld)

Current Contingent Workers apply HERE ($4020.htmld)

** US and Puerto Rico Residents Only:*
* Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities. Please  ()  if you need an accommodation during the application or hiring process.

As an Equal Employment Opportunity Employer, we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or other applicable legally protected characteristics.  As a federal contractor, we comply with all affirmative action requirements for protected veterans and individuals with disabilities.  

For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit:

EEOC Know Your Rights (https://(Use the "Apply for this Job" box below). EEOC Know Your Rights  10 20.pdf)

EEOC GINA Supplement​

We are proud to be a company that embraces the value of bringing together, talented, and committed people with diverse experiences, perspectives, skills and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas, broad experiences, backgrounds, and skills come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another's thinking and approach problems collectively.

Learn more about your rights, including under California, Colorado and other US State Acts ()

The salary range for this role is

$ - $

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employee's position within the salary range will be based on several factors including, but not limited to relevant education, qualifications,…
Position Requirements
10+ Years work experience
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