Sr. Scientist, Chemical Biotechnologies Enzyme Engineering (Onsite)

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profile Job Location:

Rahway, NJ - USA

profile Monthly Salary: $ 114700 - 180500
Posted on: 22-10-2025
Vacancies: 1 Vacancy

Job Summary

Job Description

The Chemical Biotechnologies group within the Process Research & Development Enabling Technologies Department 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 invent develop and implement biomolecules and biocatalytic processes to advance our companys pipeline and our impact on the scientific community. 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. To accelerate the development of novel proteins the candidate will develop engineering strategies and new technologies choose which engineered proteins to select as leads and deliver biocatalysts with improved functions and properties to enable drug discovery and impact clinical supply and commercial manufacturing processes. 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 or Postdoctoral Education or

    B.S. degree with 5 years of experience or M.S. degree with 4 years of experience in Molecular Biology Biochemistry Bioengineering Synthetic Biology or a related field.

  • Published field-impacting research in which the applicant participated in the conception execution analysis and drafting of the research.

  • Broad experience and knowledge in biological engineering protein design and 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: novel biocatalysts biosynthetic pathways and/or de novoproteins.

  • Experience with multiple strategies to create genetic diversity in vivo and in vitro expression optimization and/or multiple high-throughput screening or selection methods.

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

  • Experience with reproducible data analysis for example using Python or R.


#eligibleforERP

#PRD

Required Skills:

Adaptability Adaptability Analytical Method Development Biodesign Biological Engineering Cell-Based Assays Chemical Engineering Chemical Processing Chemical Proteomics Chemical Synthesis Chemometrics Chromatography Data-Driven Decision Making Drug Discovery Process Flow Cytometry Genetic Engineering Immunochemistry Mass Spectrometry Based Proteomics Microfluidics Molecular Biology Molecular Microbiology Motivation Management Next Generation Sequencing (NGS) Process Analytical Technology (PAT) Process Engineering 3 more

Preferred Skills:

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.

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 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 anothers thinking and approach problems collectively.

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

U.S. Hybrid Work Model

Effective September 5 2023 employees in office-based positions in the U.S. will be working a Hybrid work consisting of three total days on-site per week Monday - Thursday although the specific days may vary by site or organization with Friday designated as a remote-working day unless business critical tasks require an on-site Hybrid work model does not apply to and daily in-person attendance is required for field-based positions; facility-based manufacturing-based or research-based positions where the work to be performed is located at a Company site; positions covered by a collective-bargaining agreement (unless the agreement provides for hybrid work); or any other position for which the Company has determined the job requirements cannot be reasonably met working remotely. Please note this Hybrid work model guidance also does not apply to roles that have been designated as remote.

The salary range for this role is

$114700.00 - $180500.00

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 employees 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 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

VISA Sponsorship:

Yes

Travel Requirements:

No Travel Required

Flexible Work Arrangements:

Not Applicable

Shift:

1st - Day

Valid Driving License:

No

Hazardous Material(s):

n/A

Job Posting End Date:

11/3/2025

*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.


Required Experience:

Senior IC

Job DescriptionThe Chemical Biotechnologies group within the Process Research & Development Enabling Technologies Department 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 invent devel...
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Key Skills

  • Laboratory Experience
  • Immunoassays
  • Machine Learning
  • Biochemistry
  • Assays
  • Research Experience
  • Spectroscopy
  • Research & Development
  • cGMP
  • Cell Culture
  • Molecular Biology
  • Data Analysis Skills

About Company

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Merck & Co., Inc., Kenilworth, New Jersey, USA is known as “Merck” in the United States, Canada & Puerto Rico. We are known as “MSD” in Europe, Middle East, Africa, Latin America & Asia Pacific. We are a global biopharmaceutical leader with a diverse portfolio of prescription medicine ... View more

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