Senior Scientist, Chemistry (On-site)

Merck & Co.; Rahway (NJ); On-site; USD 117,000 - 184,000; Full time

Job summary

Merck & Co. in Rahway, NJ is seeking a scientist to join the Catalysis and Flow Lab within the Process Research & Development organization. The role focuses on developing flow chemistry and continuous processing to enable robust API manufacturing.

You will collaborate with chemists and engineers across disciplines to advance innovative transformation technologies. The ideal candidate holds a PhD in chemistry or chemical engineering (or a BS with 4+ years in pharma) and demonstrates strong

Qualifications

• PhD in chemistry or chemical engineering, or a bachelor’s degree with 4+ years in pharma.

Responsibilities

• Enable new chemical transformations and influence route design.
• Support API campaigns at lab, pilot, and manufacturing scales.
• Become subject matter expert in flow chemistry and continuous processing.
• Collaborate with multidisciplinary teams and excellent communication.

Skills

Analytical Method Development

Chemical Engineering

Chemical Proteomics

Chemical Synthesis

Chemometrics

Chromatography

Data-Driven Decision Making

Flow Chemistry

Laboratory Automation

Mass Spectrometry Based Proteomics

Organic Chemistry

Organometallic Chemistry

Pharmaceutics

Process Analytical Technology (PAT)

Protein Chromatography

Education

PhD in chemistry or chemical engineering

Bachelor's degree in chemistry or chemical engineering with 4+ years pharma experience

Job description

Job Description

O ur Company is seeking a talented scientist to join the Catalysis and Flow Lab within the Process Research & Development organization at its Rahway, NJ site.

The successful candidate will:

Develop and implement novel flow chemistry and continuous processing technologies to enable robust, sustainable, and efficient API manufacturing processes.

This role involves laboratory experimentation in flow chemistry and close collaboration with multidisciplinary teams of synthetic and analytical chemists and chemical engineers.

Key responsibilities include:

• Enabling new chemical transformations and influencing route design.
• The broader flow chemistry team also supports API campaigns at laboratory, pilot, and manufacturing scales.
• Candidates should be passionate about becoming subject matter experts in flow chemistry and continuous processing within the Process Chemistry Department.
• Candidates must have a PhD in chemistry or chemical engineering, or a bachelor's degree in either field with at least 4 years of experience in the pharmaceutical industry, along with a demonstrated ability to solve complex problems.
• The role requires a high level of innovation, creativity, and initiative.
• Candidates should demonstrate strong written and oral communication skills and the ability to collaborate effectively in a team environment.

Education Minimum Requirements:-

• PhD in chemistry or chemical engineering,

OR

• a bachelor's degree in either field with at least 4 years of experience in the pharmaceutical industry.

Required Experience and Skills:

• Working knowledge of flow chemistry.
• A record of outstanding research in the candidate's field of expertise that can be shared during the interview process.
• Demonstrated fluency in organic chemistry principles.
• Ability to collaborate effectively with multidisciplinary teams and outstanding communication skills.
• Strong problem-solving and troubleshooting skills.
• High-level leadership and interpersonal skills.

Preferred Experience and Skills:

• Familiarity with programming and lab automation.
• Experience in electrochemistry or photochemistry.
• A track record of peer-reviewed publications and research presentations.

Required Skills:

• Analytical Method Development
• Chemical Engineering
• Chemical Proteomics
• Chemical Synthesis
• Chemometrics
• Chromatography
• Data-Driven Decision Making
• Flow Chemistry
• Laboratory Automation
• Mass Spectrometry Based Proteomics
• Organic Chemistry
• Organometallic Chemistry
• Pharmaceutics
• Process Analytical Technology (PAT)
• Protein Chromatography

Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities.

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

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 primary location for this posting is:

USA - New Jersey - Rahway

Where required by law, the compensation range for this role is provided below.

The salary range for the primary location of this role is:

$117,000.00 - $184,200.00

This range reflects the Company's reasonable expectation of the base salary applicable to this role at the time of posting. An employee's position within the salary range will be based on several factors including, but not limited to relevant education, qualifications, certifications, experience, skills, geographic location, government requirements, and business or organizational needs. The successful candidate will be eligible for annual bonus and long-term incentive, if applicable.

We offer a comprehensive package of benefits. Available benefits include medical, dental, vision healthcare and other insurance benefits (for employee and family), retirement benefits, including 401(k), paid holidays, vacation, and compassionate and sick days. More information about benefits is available at https://jobs.merck.com/us/en/compensation-and-benefits .

Additional location(s):

Please note the salary range above applies to the Primary Location of the position. Where a role has other listed locations, different compensation guidelines may apply. You may find the salary ranges for additional locations below. If the salary range is not listed for the location you are applying to, our Talent Acquisition team will provide further information to you relevant to your location.

Additional location(s) Compensation Information:

• San Francisco Residents Only: We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance.
• Los Angeles Residents Only: We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance.

Search Firm Representatives Please Read Carefully-

Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. -No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.-

Employee Status:

Regular

Flexible Work Arrangements:

Not Applicable

Job Posting End Date:

11/11/2026

*A job posting is effective until 11:59:59PM on the day BEFORE -the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.

Requisition ID:

R424837