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Job Details

Merck & Co. Inc.

Senior Technician, Quality Control



Full Time

On Site


Millsboro, Delaware, United States

Job Description

A Senior Laboratory Technician, Quality Control/Senior QC Lab Tech is responsible for performing advanced laboratory procedures independently for the testing of veterinary biologicals according to strict government and company-imposed guidelines. Technicians may work with a variety of technical equipment while completing Quality Testing. At all times technicians must follow Good Manufacturing Practices and Standard Operating Procedures (SOPs) and adhere to all safety and company policies, perform duties assigned by department management. A Senior QC Lab Tech must possess thorough knowledge of the underlying principles used in testing procedures and understand the material being evaluated, i.e. virus, bacteria, cell line, etc.


  • Demonstrates, at all times, safe work habits and maintains a safe work environment

  • Understands and complies with all safety and company policies and procedures

  • Initiate testing methods using various cell lines per Quality Control Procedures

  • Perform troubleshooting of test methods, with the ability to evaluate and implement new procedures

  • Maintain and evaluate the sequential analysis of the testing standards used in the area of the assignment

  • Responsible for the entry of test results in the QC tracking system and the cross-check of records

  • Clean work areas including floors, walls, tables, etc.

  • Equipment set-up and operations

  • Concurrent record keeping including charts, log books, and all pertinent documentation

  • Report all unusual, non-routing occurrences when performing tasks

  • Conduct more advanced mathematical calculations, conversions and formulations

  • Technicians may be responsible for accumulation, labeling and management of hazardous, universal and/or infectious wastes

  • Participation in project teams and/or complete design of special projects

This position requires varying environmental conditions, such as: indoor/outdoor work which includes varying temperatures, entering coolers and freezers. Majority of time is spent standing, walking, pushing, pulling and lifting. Required to lift up to 50lb. on a regular basis. Personal Protection Equipment (PPE) is required per Safety Policy. Examples of required PPE are: safety glasses, safety shoes, LN gear, face shield, apron, gloves.

Education Requirement

  • Associate's degree in science discipline

Experience and Skills


Three (3) or more years of experience in:

  • Analytica instrumentation

  • Microscopic analysis and microbiological assays

  • Wet chemistry methods

  • Proven analytical aptitude and critical thinking skills

  • Strong written and verbal communication skills


  • Bachelor's degree in science discipline

  • In-depth working knowledge and application of GMPs/GLPs

  • Working with Chicken Embryos in biological operations or testing setting

  • Use of root cause analysis tools

  • SAP

Our Manufacturing & Supply Division is dedicated to being the most trusted supplier of bio-pharmaceuticals worldwide. Our facilities, along with our external contractors, suppliers, and partners, create a reliable global manufacturing network that’s devoted to delivering a high quality, reliable supply to customers and patients on time, every time.

Who we are …

We are known as Merck & Co., Inc., Kenilworth, New Jersey, USA in the United States and Canada and MSD everywhere else. For more than a century, we have been inventing for life, bringing forward medicines and vaccines for many of the world's most challenging diseases. Today, our company continues to be at the forefront of research to deliver innovative health solutions and advance the prevention and treatment of diseases that threaten people and animals around the world.

What we look for …

Imagine getting up in the morning for a job as important as helping to save and improve lives around the world. Here, you have that opportunity. You can put your empathy, creativity, digital mastery, or scientific genius to work in collaboration with a diverse group of colleagues who pursue and bring hope to countless people who are battling some of the most challenging diseases of our time. Our team is constantly evolving, so if you are among the intellectually curious, join us—and start making your impact today.


In accordance with [Register to View] all employees subject to this policy are required to have a minimum of twelve (12) months of service in current position prior to applying for open positions.

If you have been offered a separation benefits package, but have not yet reached your separation date and are offered a position within the salary and geographical parameters as set forth in the Summary Plan Description (SPD) of your separation package, then you are no longer eligible for your separation benefits package. To discuss in more detail, please contact your HRBP or Talent Acquisition Advisor.

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Current Contingent Workers apply [Register to View]

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 [Register to View] if you need an accommodation during the application or hiring process.

For more information about personal rights under Equal Employment Opportunity, visit:

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We are proud to be a company that embraces the value of bringing diverse, talented, and committed people together. The fastest way to breakthrough innovation is when diverse ideas come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another’s thinking and approach problems collectively. We are an equal opportunity employer, committed to fostering an inclusive and diverse workplace.

Search Firm Representatives Please Read Carefully
Merck & Co., Inc., Kenilworth, NJ, USA, also known as Merck Sharp & Dohme Corp., Kenilworth, 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:



No relocation

VISA Sponsorship:

Travel Requirements:

No Travel Required

Flexible Work Arrangements:

Not Specified


1st - Day

Valid Driving License:


Hazardous Material(s):

Number of Openings:


Requisition ID:R130277