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Job Details

Merck & Co, Inc

Senior Scientist, Protein Engineering ( MERCUSR137264ENUS)

Engineering and Architecture

Architectural Engineering



Rahway, New Jersey, United States

Job Description

Subject to applicable law, all prospective hires will be required to demonstrate that they have been fully vaccinated for COVID-19 or intend to be vaccinated for COVID-19 by November 1, 2021, or qualify for a medical or religious accommodation to this vaccination requirement. Hired candidates who are not vaccinated by November 1, 2021, and who have not been approved for a legally-required medical or religious accommodation will be subject to disciplinary action up to and including termination of employment, subject to applicable law.

The Protein Engineering group in Rahway, New Jersey is seeking a Senior Scientist to expand our capabilities to design and engineer proteins with novel functions. The mission of the group is to engineer enzymes for use as biocatalysts to synthesize APIs and to engineer proteins and peptides as therapeutics. We view protein engineering as a key enabling technology in modern drug discovery and development. We leverage computational modeling, advanced automation, and high-throughput screening to engineer novel proteins. We are committed to developing new methodologies and technologies that enhance protein engineering and improve human health. The group collaborates broadly within our Company, with academic leaders, and with industry partners to expand and accelerate the impact of protein engineering on human health.

In this role, the incumbent will contribute directly to the invention of novel proteins by guiding gene acquisition, designing and building high-quality DNA libraries, expressing large protein libraries, developing assays, and/or characterizing libraries using high-throughput screens and selections. As part of project teams, they will collaborate across groups to develop novel solutions that solve complex problems. As a project leader, they will guide engineering teams to develop engineering strategies, choose which engineered proteins to select as leads, and deliver biocatalysts and/or biotherapeutics with improved functions and properties. They will give scientific presentations internally and externally, contribute to the overall strategy and direction of the group, and develop novel protein engineering technologies. The successful candidate will join a diverse group of innovative scientists that are driving the next revolution in bioengineering.

Minimum Requirements:

  • PhD and/or Postdoctoral experience in Molecular Biology, Biochemistry, Bioengineering, Synthetic Biology or a related field.

  • Broad experience and knowledge in synthetic biology, biological engineering, protein design, and/or directed evolution.

  • Significant expertise in one of the following: molecular biology, biochemistry, biophysics, computational protein design, or metabolic engineering.

  • Demonstrated ability to work within a collaborative multi-disciplinary team environment.

  • Excellent communication and organizational skills.

Preferred Experience and Skills:

  • Experience engineering one of the following: biosynthetic pathways, bioconjugation systems, or amino acid/peptide modifying enzymes.

  • Experience with multiple strategies to create genetic diversity, multiple host organisms and/or cell free expression systems, and/or multiple high-throughput screening/selection methods.

  • Familiarity with one or more of the following areas are highly desired: next-generation sequencing, computational protein design, machine learning, microfluidics, and/or automation.

We are a research-driven biopharmaceutical company. Our mission is built on the simple premise that if we “follow the science” that great medicines can make a significant impact to our world. We believe that a research-driven enterprise dedicated to world-class science can succeed by inventing medicine and vaccine innovations that make a difference for patients across the globe.

Who we are …

We are known as Merck & Co., Inc., Kenilworth, 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 …

In a world of rapid innovation, we seek brave Inventors who want to make an Impact in all aspects of our business, enabling breakthroughs that will affect generations to come. We encourage you to bring your disruptive thinking, collaborative spirit and diverse perspective to our organization.


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.

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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:

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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.

Search Firm Representatives Please Read Carefully
Merck & Co., Inc., Kenilworth, NJ, USA, also known as Merck Sharp & Dohme Corp., Kenilworth, 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:R137264