Sr. Specialist, Engineering (Onsite)

Merck; Rahway (NJ); On-site; USD 117,000 - 184,000; Full time

Job summary

Merck in Rahway, New Jersey seeks a Senior Specialist, Technical Operations – Engineering for the FLEx Sterile expansion. The role centers on commissioning and qualification of a multi‑use fill line, with hands‑on training in Germany and collaboration with formulators, engineers, and QA to ensure process rigor and regulatory compliance.

The position requires a strong background in aseptic processing, cGMP, and cross‑functional communication, with travel for training and site support.

Qualifications

• Bachelor or Master in a relevant field with years of experience in GMP/biopharma environments.
• Experience with aseptic processing and cGMP for sterile products.
• Strong documentation and SOP writing skills.

Responsibilities

• Collaborate with stakeholders on equipment design, maintenance and troubleshooting.
• Work with aseptic filling and lyophilization equipment across the manufacturing cycle.
• Attend and complete Optima Super user training in Germany (10–12 weeks).
• Provide training on troubleshooting and support functions to operators and engineers.
• Support project assignments and aid in facility and equipment innovation.
• Perform manual and automated operations, maintenance, and documentation.

Skills

Gowning & PPE

Documentation

Communication

SOP writing

Problem solving

Verbal & written comms

GXP compliance

Aseptic processing

Education

Bachelor/Master in STEM

Job description

Job Description

The Formulation, Laboratory, and Experimentation (FLEx) Center in Rahway, New Jersey, features a cutting-edge sterile drug product cGMP clinical supply manufacturing facility, known as FLEx Sterile, which is currently in the operational startup phase. The FLEx Sterile facility is poised to play a pivotal role in the long‑term success of delivering our clinical pipeline to patients worldwide, encompassing a range of product modalities, including sterile small molecules, biologics, vaccines, and antibody‑drug conjugates (ADCs).

We are seeking a Senior Specialist, Technical Operations – Engineering, to serve as a key technical specialist in the FLEx Sterile Expansion Project, focused on the Optima multi‑use filling line. This expansion project aims to more than double the capacity of the existing FLEx Sterile Facility by adding a second clinical filling/lyophilization suite, a formulation suite, and a sterile supply suite, along with various supporting infrastructure and utilities.

The selected candidate will upskill on the Optima Multi‑use filler through a multi‑week in‑person training at the Optima Pharma and Isolator facilities, located in Germany. The candidate will become proficient in mechanical, automation, and system wide troubleshooting. At the conclusion of the training program, the candidate will be a key resource for the commissioning and qualification of the multi‑use filler line at the FLEx Center.

This role presents an exciting opportunity to collaborate with our research formulation scientists, capital design engineers, safety and quality representatives, digital and IT teams, equipment vendors, and other stakeholders. Together, you will drive the ensure the successful execution of the project C&Q and startup phases.

When operations commence, this individual will partner closely with the formulators, engineers, Quality representatives, and other team members to ensure the quality of the clinical supplies, the scientific rigor of the processes, and ultimately to enable flexibility and speed of our Company's sterile pipeline.

Key Responsibilities

• Collaborate closely with a range of stakeholders to gain insights into equipment and facility design, maintenance, troubleshooting, operational excellence, financial and capital management, team building, process sciences, technical writing, and networking.
• Work with a variety of state‑of‑the‑art aseptic drug product filling, and lyophilization equipment while completing processes throughout the manufacturing cycle.
• Attend and complete the Optima Super user training at the Optima sites in Germany (10‑12 weeks).
• Provide training on advanced troubleshooting and support functions to operators and engineers.
• Support individual project assignments and aid in facility and process equipment innovation.
• Perform manual and/or automated operations, general maintenance, troubleshooting and support functions.
• Perform aseptic manipulations within Grade A barrier isolation systems.
• Contemporaneous record keeping including equipment and area cleaning and use logs, and all pertinent batch and/or equipment preparation documentation.
• Identify and addresses compliance, environmental, safety, and process deviations as appropriate while notifying appropriate personnel.
• Demonstrate, at all times, safe work habits and maintain a safe work environment. Comprehend and comply with all safety and company policies and procedures.
• Attend training classes, workshops, meetings, etc., as needed to improve job skills and product‑related procedures.

Education Minimum

• B.A./B.S. in Mechatronics, Engineering, Automated Sciences, Computer Science, Biology, Chemistry or equivalent with at least 5 years of relevant experience.
• Master’s degree with a minimum of 3 years relevant experience.

Required Experience And Skills

• Ability to do all required gowning and personal protective equipment ex. Powered Air Purifying Respirator.
• Strong attention to detail and documentation skills are required.
• Ability to communicate and work in partnership with other employees in a manufacturing environment.
• Ability to prepare Standard Operating Procedures and current GXP documents.
• Demonstrated skills in problem‑solving and troubleshooting.
• Effective communication skills, both verbal and written.
• Effective interpersonal and communication skills, both verbal and written.
• Familiarity with United States and European Union cGMP and Safety compliance regulations.
• Experience in drug product aseptic processing, equipment and aseptic technique.
• Training Requirement: Selected candidates will complete a mandatory 10–12 week training program in Germany to gain the technical knowledge and hands‑on experience required for success in the role. Candidates must be willing and able to travel internationally for the duration of the training.

Preferred

• Experience with automated aseptic filling lines.
• Experience with smart technologies, such as robots, automated systems and/or computer integrated manufacturing equipment (mechatronics).
• Experience operating, setting up, disassembling, and adjusting complex equipment, e.g. robotics, packaging machinery, automatic assembling machines.
• Experience with quality systems.
• Experience with new GMP facility startup.
• Experience supporting Commissioning, Qualification and Validation.
• Experience in supporting quality investigations and change management.

Working Conditions

• This position may have varying hours based on the needs of the business.
• Flexibility working overtime is a requirement in manufacturing.
• Travel will be necessary for this role, including in‑person training at a vendor.

FLEx2026

Sterile2026

#eligibleforERP

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.

Requirements

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:

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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 primary location for this posting is:

USA - New Jersey - Rahway

Where required by law, the compensation range for this role is provided below.

The salary range for the primary location of this role is:

$117,000.00 - $184,200.00

This range reflects the Company’s reasonable expectation of the base salary applicable to this role at the time of 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.

Additional location(s):

Please note the salary range above applies to the Primary Location of the position. Where a role has other listed locations, different compensation guidelines may apply. You may find the salary ranges for additional locations below. If the salary range is not listed for the location you are applying to, our Talent Acquisition team will provide further information to you relevant to your location.

Additional location(s) Compensation Information:

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

Employee Status

Regular

Relocation

Domestic/International

VISA Sponsorship

Yes

Travel Requirements

10%

Flexible Work Arrangements

Not Applicable

Shift

1st - Day

Valid Driving License

No

Hazardous Material(s)

n/a

Job Posting End Date

11/20/2026

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.