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Job Details

Merck & Co, Inc

Scientist, Engineering

Engineering and Architecture

Architectural Engineering


Rahway, New Jersey, United States

Job Description

Our Engineers support internal and external manufacturing operations remain operational, continuously improve and innovate. With our extensive range of facilities and environments, our Engineers have opportunities across many diverse areas including Biological, Chemical, Automation, Capital Projects, Maintenance, Safety, Process Development, Technical Services, Utilities, and Validation.

We are seeking a Growth and Improvement minded Scientist, Engineering that can help drive our Strategic Operating Priorities.

  • Invent | Pursue the Most Promising Internal and External Science to Address Significant Unmet Medical Needs

  • Execute | Prioritize Resources Behind Our Key Growth Drivers (Oncology, Vaccines, Select Specialty Areas, Animal Health) While Optimizing Our Base Business)

  • Adapt | Develop Our People, Culture, and Business Model to Evolve with a Dynamic Landscape

  • Diverse Talent | We are committed to providing an inclusive and welcoming environment with supporting leadership behaviors because having a high-performing, engaged workforce is critical to our ability to deliver innovative solutions to patients and customers around the world

  • Values and Standards | Our Steadfast Commitment to Our Values and Standards will Continue to Guide Us as We Take on New Challenges and Will Always be Fundamental to Our Success – They are a Competitive Advantage for Us

Summary, Focus and Purpose

The Chemical Commercialization Technology (CCT) department, which is part of Our Company Manufacturing Division (MD), is seeking self-motivated individuals who are looking for an opportunity to work in a highly collaborative environment that provides substantial technical responsibility and leadership of internal and external work. The Scientist, Engineering leverages scientific/technical experience to: complete assigned process characterization for late-stage Active Pharmaceutical Ingredient (API) projects; and support internal and external process development with a line of sight to robust supply, pre-validation, and validation activities for a selection of portfolio projects and provide supply support. As the early-stage Company Research & Development Division led portfolio progresses to late-stage projects, the incumbent is expected to help transition characterization work execution/management to CCT ownership.

You will be expected to quickly develop and demonstrate expertise in small molecule process characterization work by learning and utilizing Quality Risk Management (QRM)/Quality by Design (QbD) methodologies and tools around the statistical design of experiments (DOE) and analysis of experiments (ANOVA, PCA, RSM, Design Expert, Minitab, JMP). The role includes participation in one or more cross-divisional API-WG’s and the incumbent will help influence the API-WG’s direction to address MD specific needs and also involves collaboration (largely remotely) with external suppliers while managing process development and validation activities.

Approximately 10 – 20% of travel time is expected. Normal travel per campaign might include a kickoff trip and a separate multi-week period of on-site coverage, typically one to three times per year depending on project complexity. Support of Research & Development Division led filing work, early development work, and/or piloting activities is also likely in the course of commercializing new processes.


  • Bachelor of Science in Chemical Engineering with two years of work experience or Master of Science in Chemical Engineering from an accredited college/university with no experience

Experience | Skills | Requirements


  • Work Independently and as a Team member with Integrity | Precision | Accomplishment | Motivational Ambition | Respect | Inclusion

  • Superior understanding of chemical engineering fundamental concepts

  • Principled verbal and written communications

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

  • Motivation to conduct both laboratory experimentation and on-site support of scale-up activities and manufacturing operations

  • Ability to work in the laboratories at the Rahway, New Jersey site with occasional domestic and international travel,

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


  • Relevant work experience in process development in any modality (e.g. small molecules, large molecules, vaccines, drug substance or drug product, etc.) or chemical development in a related industry, ideally with experience conducting one or more programs of statistically-designed experimentation

  • Experience with developing and executing an experimental program to optimize and de-risk the scale-up of microbial fermentations and associated downstream processing

  • Experience interfacing and influencing relationships with internal and external partners to drive process development, scale-up, and technology transfer

  • Experience executing an experimental program or statistical data analysis to address issues of process design, robustness, or productivity for an existing product/process

  • Familiarity with QRM/QbD methodologies and tools around statistical design and analysis

  • Familiarity with the concepts and application of Good Laboratory Practices (GLP’s)/current Good Manufacturing Practices (cGMP’s) ideally during Pharmaceutical drug substance/drug product development and production, e.g. in a pilot and/or factory setting

Our Manufacturing & Supply Division is dedicated to being the most trusted supplier of biopharmaceuticals worldwide. Our facilities, along with our external contractors, suppliers, and partners, create a reliable global manufacturing network that’s devoted to delivering a high-quality, reliable supply to customers and patients on time, every time.

Who we are …
We are known as Merck & Co., Inc., Rahway, New Jersey, USA in the United States and Canada and MSD everywhere else. For more than a century, we have been inventing for life, bringing forward medicines and vaccines for many of the world's most challenging diseases. Today, our company continues to be at the forefront of research to deliver innovative health solutions and advance the prevention and treatment of diseases that threaten people and animals around the world.

What we look for …
Imagine getting up in the morning for a job as important as helping to save and improve lives around the world. Here, you have that opportunity. You can put your empathy, creativity, digital mastery, or scientific genius to work in collaboration with a diverse group of colleagues who pursue and bring hope to countless people who are battling some of the most challenging diseases of our time. Our team is constantly evolving, so if you are among the intellectually curious, join us—and start making your impact today.

In accordance with Managers' Policy - Job Posting and Employee Placement, all employees subject to this policy are required to have a minimum of twelve (12) months of service in current position prior to applying for open positions.

If you have been offered a separation benefits package, but have not yet reached your separation date and are offered a position within the salary and geographical parameters as set forth in the Summary Plan Description (SPD) of your separation package, then you are no longer eligible for your separation benefits package. To discuss in more detail, please contact your HRBP or Talent Acquisition Advisor.

Employees working in roles that the Company determines require routine collaboration with external stakeholders, such as customer-facing commercial, or research-based roles, will be expected to comply not only with Company policy but also with policies established by such external stakeholders (for example, a requirement to be vaccinated against COVID-19 in order to access a facility or meet with stakeholders). Please understand that, as permitted by applicable law, if you have not been vaccinated against COVID-19 and an essential function of your job is to call on external stakeholders who require vaccination to enter their premises or engage in face-to-face meetings, then your employment may pose an undue burden to business operations, in which case you may not be offered employment, or your employment could be terminated. Please also note that, where permitted by applicable law, the Company reserves the right to require COVID-19 vaccinations for positions, such as in Global Employee Health, where the Company determines in its discretion that the nature of the role presents an increased risk of disease transmission.

Current Employees apply HERE

Current Contingent Workers apply HERE

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 click here if you need an accommodation during the application or hiring process.

For more information about personal rights under Equal Employment Opportunity, visit:

EEOC Know Your Rights

EEOC GINA Supplement​

Pay Transparency Nondiscrimination

We are proud to be a company that embraces the value of bringing diverse, talented, and committed people together. The fastest way to breakthrough innovation is when diverse ideas come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another’s thinking and approach problems collectively. We are an equal opportunity employer, committed to fostering an inclusive and diverse workplace.

Under New York City, Colorado State, Washington State, and California State law, the Company is required to provide a reasonable estimate of the salary range for this job. Final determinations with respect to salary will take into account a number of factors, which may include, but not be limited to the primary work location and the chosen candidate’s relevant skills, experience, and education.

Expected salary range:

$80,320.00 - $126,500.00

Available benefits include bonus eligibility, health care and other insurance benefits (for employee and family), retirement benefits, paid holidays, vacation, and sick days. For Washington State Jobs, a summary of benefits is listed here.

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

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.

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Requisition ID:R241154