Merck Posted August 24, 2026

Operations Manager

Millsboro, Delaware, United States of America FULL_TIME

Merck is the source of truth for this posting and owns the application process. We surface normalized context and market comparison you won't find on the original listing.

About this opportunity

Job Description

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.

Position Responsibilities:

Supervision of facilities, equipment and personnel in the Cell Fermentation department, including coordination of additional labor, such as temporary employees or other departments

Participate and support the Safe by Choice programs at the site. Lead safety by example

Supervision of aseptic procedures including media preparation, antigen inoculation and harvest, tissue culture preparation and harvest, etc.

Antigen storage and sampling for testing

Review and revise processes and procedures against corporate and regulatory requirements to ensure compliance

Review production records for completeness and compliance to departmental and/or Site SOPs

Provide training to personnel to stay current with all regulatory agencies and corporate policies

Evaluate personnel and machinery requirements and make and/or implement recommendations for changes and improvements

Participation in daily activities to understand requirements and issues

Provide guidance to personnel to maximize throughput while meeting regulatory requirements

Coordination with venders to determine equipment options

Assist in the procurement and installation of new equipment

Provide effective solutions to projects with a high level of technical difficulties and internal constraints

Scheduling and planning for department requirements

Coordinate with Media, Blend, Filling, Central Services, Packaging and Planning personnel to maximize utilization of resources

Coordinate resources between areas of production utilizing our Tier process to meet scheduling requirements

Provide training, coordinate problem solving issues with Third Party

Communicate and track critical component issues and work with venders for resolution

Ensure proper safety procedures, standard operation procedures and aseptic techniques are followed

Review current practices and ensure employees meet or exceed current procedures and techniques

Coordinate SAP and data base entry and the movement of finished goods and in-process products between facilities

Including inventory movement and production key performance indicators

Other duties as assigned, such as scheduling equipment maintenance, various trouble shooting and contribute as needed on cross-functional teams

Participate in KATA’s and KAIZEN’s for our continuous improvement program

Lead Tier 1 communication meetings and provide input into Tier 2 and Tier 4 level meetings

Education Requirement:

High School diploma or equivalent with six (6) years of relevant leadership experience within a manufacturing environment or military service or five (5) years’ experience in a direct GMP, biotechnology manufacturing setting with demonstrated leadership skills

OR Associate's degree with four (4) years of relevant leadership experience within a manufacturing environment or military service or three (3) years’ experience in a direct GMP, biotechnology manufacturing setting with demonstrated leadership skills

OR Bachelor’s degree with either four (4) years of relevant experience in manufacturing or military service or two (2) years’ experience in a direct GMP, biotechnology manufacturing setting with demonstrated leadership skills

Required Experience and Skills:

Five (5)+ years of relevant work experience within a manufacturing environment

One (1)+ years of experience in a leadership capacity.

Proficient in Microsoft Office

Strategic and effective communication skills

High analytical and logical problem-solving abilities

Strategic and optimistic teambuilding skills that focus on mentoring and coaching

Preferred Experience and Skills:

Experience working within vaccine and/or pharmaceutical Industry

Working knowledge of USDA/GMP Guidelines

Working knowledge of aseptic techniques and aseptic filling operations

Strong knowledge of cell culture processes, bioreactors, and process equipment

Working knowledge of SAP (operating system)

#MSJR

Required Skills:

Adaptability, Aseptic Manufacturing, cGMP Compliance, Data Analysis, Employee Performance Standards, Interpersonal Relationships, Inventory Management, Manufacturing Quality Control, Operational Excellence, Packaging Operations, People Leadership, Process Engineering, Process Improvements, Production Scheduling, Sterile Filling

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.  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.

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:

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. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.

Requisition ID:R413989

Job details

Seniority
Not listed
Function
Not listed
Therapeutic area
Not listed
Location
Millsboro, Delaware, United States of America
Employment type
FULL_TIME

How this role compares

Computed from every other active role in our database, not just this employer's listings.

We don't have enough classified peer data for this role yet, so there's no comparison to show. This happens when a posting's title/category doesn't match any taxonomy rule -- it's excluded rather than compared against the wrong peer group.

Notify me about similar jobs

Get an email when we spot other openings like this one – same job function, comparable seniority, roles you'd actually want to see.