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Salary
$96k – $151k per year
Location
In office (United States)
Seniority
Senior · 5+ years exp
Visa
Sponsorship offered in the posting
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Sep 28, 2026. Merck & Co. scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Merck & Co. is an American pharmaceutical company founded in 1891 as the United States arm of the German firm Merck and made independent after the First World War, trading as MSD outside the United States and Canada. Its portfolio is dominated by the immuno-oncology drug Keytruda, alongside vaccines such as Gardasil and Vaxneuvance, hospital acute care products, and a large animal health business covering livestock and companion animals. The company is headquartered in Rahway, New Jersey, listed on the New York Stock Exchange, and spends a very large share of revenue on research into oncology, infectious disease and cardiometabolic therapies.
Backed by LAV, Aisling Capital

Job Description

Senior Operations Engineer - API

Job Profile:

At our company, we aspire to be the premier research-intensive biopharmaceutical company, using the power of leading-edge science to save and improve lives around the world. We are at the forefront of research to deliver innovative health solutions that advance the prevention and treatment of diseases in people and animals.

Join a purpose-built, agile small molecule manufacturing site where your work will help bring important medicines to patients in the U.S. This facility is designed to move quickly and reliably, receiving technology transfers from commercialization sites and fast-following into production with a focus on quality, safety, and operational excellence.

At our site, you’ll be part of a team committed to creating a safe, environmentally responsible, and compliant workplace where people can do their best work. We are building deep small molecule expertise in the U.S., and we want team members who are excited to grow their skills, help improve how we operate, and contribute to a site positioned for future growth.

Job Purpose:

The Senior Operations Engineer - API supports the API Integrated Product Team (IPT) in the commissioning, qualification, start-up, and operational readiness of the new Small Molecule manufacturing facility in Elkton, Virginia. This role partners with cross-functional teams to help ensure safe, compliant, and efficient operations during project execution and through ongoing manufacturing. In addition, the API Operations Engineer helps coordinate and prioritize improvement activities and areas of focus across the IPT, supporting continuous improvement and operational excellence as the facility transitions into routine operations.

Primary Responsibilities:

  • Support commissioning, qualification, start-up, and operational readiness activities for the new API Small Molecule facility in Elkton, VA.
  • Partner with Operations, Engineering, Quality, Technical Operations, Supply Chain, and other stakeholders to support safe, compliant, and effective plant start-up.
  • Provide technical and operational support during equipment and process start-up, troubleshooting, and optimization activities.
  • Support technology transfer and implementation of commercial manufacturing processes into the new facility.
  • Help define, implement, and improve operating practices, standard work, procedures, and routines that support reliable and compliant operations.
  • Coordinate and prioritize improvement activities and key areas of focus within the IPT in alignment with business objectives and operational performance goals.
  • Use our company Production System (MPS) tools and lean principles, including Kaizen, 5S, visual management, and Standard Work, to identify and support improvement opportunities.
  • Help embed best practices across shifts, functions, and workstreams to promote consistency, efficiency, and strong operational execution.
  • Support a culture of safety, quality, compliance, accountability, and continuous improvement.
  • Act as a delegate for the Production Lead when needed, supporting continuity of leadership and cross-functional coordination.
  • Contribute to an inclusive, collaborative, and performance-driven work environment.

Minimum Required Education, Experience:

  • Bachelor’s degree required. Chemical Engineering, Pharmaceutical Engineering, Biochemical Engineering, Chemistry, or a related technical discipline preferred.
  • Minimum 5 years of experience in API Small Molecule manufacturing to include operations or technical operations.
  • Experience working in a cross-functional manufacturing, technical, or operational setting.
  • Experience contributing to operational improvement, troubleshooting, process support, or start-up-related activities.
  • Working knowledge of GMP, quality, and compliance expectations in pharmaceutical manufacturing.
  • Strong problem-solving, communication, collaboration, and organizational skills.
  • Ability to work effectively across Operations, Engineering, Quality, and Technical teams.
  • Ability to prioritize work in a dynamic, fast-paced environment.
  • Demonstrated commitment to safety, operational excellence, and continuous improvement.

Preferred Qualifications:

  • Experience supporting commissioning, qualification, start-up, or validation activities.
  • Experience in a greenfield or new facility start-up environment.
  • Experience with technology transfer and implementation of commercial manufacturing processes.
  • Experience applying lean tools and methodologies, including Kaizen, 5S, and Standard Work.
  • Experience coordinating activities across shifts, teams, or functions.
  • Experience serving in a lead, coordinator, or delegate role supporting leadership continuity.
  • Experience identifying improvement opportunities and helping implement practical solutions in a manufacturing environment.

Required Skills:

Adaptability, Adaptability, Analytical Problem Solving, Business Process Improvements, cGMP Compliance, Chemical Engineering, Collaborative Leadership, Cross-Functional Project Management, Data Analysis, Decision Making, Employee Scheduling, Engineering Support, Focused Improvement, Inventory Management, Leadership Theories, Lean Six Sigma Continuous Improvement, Manufacturing, Manufacturing Processes, Manufacturing Strategies, Manufacturing Systems, Manufacturing Technologies, Operational Quality, Operations Engineering, Personal Initiative, Process Improvements {+ 8 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 characteristics. Asa 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 salary range for this role is

$96,200.00 - $151,400.00

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 https://jobs.merck.com/us/en/compensation-and-benefits.

You can apply for this role through https://jobs.merck.com/us/en (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:

No

Travel Requirements:

10%

Flexible Work Arrangements:

Not Applicable

Shift:

1st - Day

Valid Driving License:

No

Hazardous Material(s):

NA

Job Posting End Date:

10/12/2026

*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.

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