Merck & Co, Inc

Associate Principal Scientist, Engineering

Merck & Co, Inc$142K — $224K *
Pharmaceuticals & Biotech
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • BS/MS in Chemical/Biochemical Engineering or related field with 8+ years experience, or PhD with 3+ years experience.
  • Experience in laboratory research and process development within chemical engineering.
  • Experience with scale-up and technology transfer from lab to production.
  • Strong communication and collaboration abilities.
  • Excellent organizational, writing, and time management skills.

Responsibilities

  • Conduct independent research to achieve process and technology development goals.
  • Design and implement advanced experiments related to pharmaceutical ingredient production.
  • Manage process development and manufacturing activities at external suppliers.
  • Support pilot plant operations and interface with cross-functional teams.
  • Participate in risk assessments and adhere to quality compliance standards.

Benefits

  • Medical, dental, and vision insurance for employees and their families.
  • Retirement benefits including 401(k).
  • Paid holidays and vacation time.
  • Compassionate and sick leave.
Full Job Description

Job Description

Position Description

The Chemical Engineering Research & Development department (CERD), part of the Process Research and Development organization, is seeking highly motivated individuals who are looking for an opportunity to work in a fast-paced job that provides a high degree of technical responsibility.  This position involves hands-on process development/scale-up work performed at scales spanning the range from laboratory scale to commercial manufacturing scale.

Under scientific and administrative direction, an engineer in this role conducts independent research which involves conceiving, designing, planning, and implementing advanced experiments aimed at achieving research goals related to process development, technology development, and production of active pharmaceutical ingredients (API).  The candidate may also have the opportunity to manage process development and/or manufacturing activities at external suppliers. The engineer 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). 

A high level of innovation, creativity, and self-initiative along with the ability to plan and organize activities are expected.  Successful candidates will be required to communicate regularly, clearly, and with confidence as they discuss technical problems, support pilot plant operations, and interface with cross-functional colleagues/customers.

This role requires approximately 10-15% travel.

Position Qualifications:

Education Minimum Requirement:

  • The position requires either a BS and/or MS in Chemical/Biochemical Engineering (or comparable) from an accredited College/University plus at least 8 years of relevant work experience in process development
    OR

  • PhD in Chemical/Biochemical Engineering (or comparable) from an accredited College/University with at least 3 years of relevant work experience post PhD defense.

Required Experience and Skills:

  • For BS/MS candidates, at least 8 years of relevant work experience post-graduation - OR – for PhD candidates with at least 3 years of relevant work experience post PhD defense, where relevant work experience would include the following:

  • Experience performing lab-based research/process development in a chemical engineering-related area.

  • Experience with process scale-up and/or technology transfer, moving from laboratory to pilot plant or production scale.

  • Highly effective communication and collaboration skills

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

Preferred Experience and Skills:

  • Direct experience with pharmaceutical drug substance development

  • Familiarity with concepts and application of cGMP and GDP during pharmaceutical development and production.

  • Experience applying statistical experimental design (i.e. Design of Experiments) and/or process modeling

  • Experience with chemical engineering-related technology development

Required Skills:

Chemical Engineering, Communication, Data Analysis, Decision Making, Detail-Oriented, Manufacturing Scale-Up, Mentorship, Pharmaceutical Development

Preferred Skills:

Current Employees apply

Current Contingent Workers apply

US and Puerto Rico Residents Only:

The salary range for this role is

$142,400.00 - $224,100.00

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, 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 .

You can apply for this role through (or via the Workday Jobs Hub if you are a current employee). The application deadline for this position is stated on this posting.

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

Relocation:

Domestic/International

VISA Sponsorship:

Yes

Travel Requirements:

10%

Flexible Work Arrangements:

Not Applicable

Shift:

Not Indicated

Valid Driving License:

No

Hazardous Material(s):

N/A

Job Posting End Date:

07/24/2026

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

About Merck & Co, Inc

Schering-Plough Corporation is a major U.S.-based manufacturer of pharmaceuticals. It operates in three segments: Prescription Pharmaceuticals, Animal Health, and Consumer Health Care. Schering-Plough develops products targeting on allergy, cancer, hepatitis, cardiovascular, central nervous system, respiratory system, and more.  It was founded in 1851 by Ernst Christian Friedrich Schering as Schering AG in Germany. Schering-Plough manufactured several pharmaceutical drugs, the most well-known of which were the allergy drugs Claritin and Clarinex, an anti-cholesterol drug Vytorin, and a brain tumor drug Temodar. It also developed drugs targeting on central nervous system and the respiratory system. Schering Plough also owned and operated the major foot care brand name Dr. Scholl's and the skin care line Coppertone. These also became a part of the new company. Schering-Plough was a full member of the European Federation of Pharmaceutical Industries and Associations (EFPIA), a membership which is also maintained by the new Merck.

Merck & Co, Inc Careers

Join the visionary team at Merck & Co, Inc, a global leader in healthcare dedicated to advancing the world of medicine. As part of our professional community, you'll find dynamic job opportunities that foster innovation and leadership across various fields. Merck & Co, Inc is not just a company; it's a place where you can make a difference.

Work You’ll Do

At Merck & Co, Inc, we are committed to improving global health through groundbreaking research and innovative healthcare solutions. Our team is at the forefront of developing new therapies and vaccines that significantly impact public health worldwide. By joining us, you will collaborate with some of the brightest minds in the industry, using your skills to contribute to projects that save and improve lives around the globe.

Explore Career Paths

Whether you're seeking an internship, a graduate opportunity, or a professional position, Merck & Co, Inc offers a range of career paths in environments that promote rapid professional growth and development. Explore job opportunities in research, digital transformation, manufacturing, and more, all while benefiting from a culture that supports diversity and inclusion.

Innovate and Lead

Merck & Co, Inc is an ideal environment for those who lead with curiosity and the drive to innovate. Our leadership is committed to fostering a culture where inventive thinking and collaboration are encouraged, making it a perfect place for professionals who seek to make an impact through their work.

Develop Your Skills

With Merck & Co, Inc, you are not just getting a job; you're gaining access to unparalleled career development opportunities. Enhance your skills through diverse training programs, workshops, and continuous learning courses designed to help you grow at every stage of your career.

Benefits and Culture

We understand that our employees are our greatest asset, which is why we offer competitive benefits designed to support the health and well-being of you and your family. From comprehensive health care coverage and retirement plans to flexible working conditions and wellness programs, our benefits package is designed to meet the diverse needs of our team members.

Join Our Team

Ready to advance your career at Merck & Co, Inc? Search open positions that match your skills and interests. We are continuously hiring and looking for passionate, creative, and solution-driven team players. Prepare your resume, sharpen your interview skills, and become part of a company that's dedicated to making a difference.

Stay Connected

Keep up to date with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Engage with us through our careers blog and by participating in networking events and employment fairs. Subscribe to receive personalized job alerts and the latest news tailored to your preferences. Discover the exciting and rewarding opportunities that await at Merck & Co, Inc. Join us in our mission to improve health and wellness around the world.
Learn more about Merck & Co, Inc
Size
68,000 employees
Market Cap
$282.6 billion
Industry
Net Income
$7 billion
Founded
1668
5 Year Trend
+4.1%
Revenue
$47.9 billion
NASDAQ

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