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Merck & Co., Inc. in the United States seeks a senior manufacturing leader to supervise Cell Fermentation operations at our Millsboro, DE site.
You will oversee facilities, equipment and staff, champion safety programs, and ensure aseptic and GMP compliance across antigen production, inoculation, and harvest processes. Ideal candidates have 5+ years in manufacturing with leadership experience, strong data analysis, and proven process improvement abilities.
For over 130 years, we have pioneered groundbreaking science. Today, we are driven by continuous innovation to develop breakthrough medicines, vaccines and technology. Rooted in direct experience on the farm and in the clinic, we work hand in hand with our customers every step of the way. Our singular focus is to empower those who care for animals, helping them manage their vital responsibility with confidence. Because when it comes to animal health, no one sees it like we do.
Our Manufacturing Operations teams are the people that make our products. We work in the manufacturing plants with a “Safety First, Quality Always” mindset striving for continuous improvement. We work in the local plant connected to our global manufacturing network to ensure the highest quality of raw materials, intermediates and finished products.
Our Company's Animal Health is a BioTechnology Center of Excellence that performs vaccine production operations from antigen production through formulation, filling and packaging. With expertise in mammalian, insect and avian cell culture production (anchorage & non-anchorage dependent), live bird vaccine production, embryonated egg vaccine production, roller bottle vaccine production, bioreactor vaccine production and down-stream processing (water in oil emulsions, aseptic filling, lyophilization, etc.), the Millsboro site supplies and supports products for a wide range of species including poultry, equine, swine, bovine and companion animal.
Employee Status: Regular
Relocation: No relocation
VISA Sponsorship: No
Travel Requirements: 10% Flexible Work Arrangements: Not Applicable
Shift: 1st - Day Valid Driving License: No Hazardous Material(s): n/a
Job Posting End Date: 09/8/2026 *A job posting is effective until 11:59:59PM on the day BEFORE the listed job posting end date.
More information about benefits is available at https://jobs.merck.com/us/en/compensation-and-benefits
Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities. 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.
As 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 another’s thinking and approach problems collectively.
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.
We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance
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
Our company is a global health care leader with a diversified portfolio of prescription medicines, vaccines and animal health products. The difference between potential and achievement lies in the spark that fuels innovation and inventiveness; this is the space where we have codified our legacy for over a century. Our success is backed by ethical integrity, forward momentum, and an inspiring mission to achieve new milestones in global healthcare.