Merck & Co, Inc

Principal Scientist/Lab Manager, Clinical Pathology

Merck & Co, Inc$173K — $272K *
Pharmaceuticals & Biotech
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Medical Laboratory Science, Clinical Laboratory Science, Biology, Chemistry, or related field.
  • ASCP (MLS/MLT) or equivalent certification required.
  • Minimum 10 years of clinical laboratory experience with at least 2 years in a supervisory or lead role in clinical pathology or equivalent sections.
  • Strong knowledge of clinical laboratory operations, instrumentation, and regulatory requirements (GLP).
  • Proven leadership, communication, and team development skills.
  • Proficiency with laboratory information systems (LIS) and electronic laboratory notebooks.

Responsibilities

  • Manage day-to-day functions of the clinical pathology laboratory across multiple nonclinical species.
  • Supervise laboratory personnel, including hiring, onboarding, and performance reviews.
  • Ensure appropriate staffing levels and competency through workforce planning.
  • Oversee validation and documentation for new assays and instruments in compliance with quality standards.
  • Monitor test performance, instrument functionality, and quality control metrics.
  • Evaluate new technologies and lead implementation projects for laboratory improvement.
  • Prepare and present reports on laboratory performance and participate in multidisciplinary committees.

Benefits

  • Comprehensive medical, dental, and vision healthcare benefits for employees and their families.
  • 401(k) retirement benefits with company contributions.
  • Paid holidays, vacation, and personal days.
  • Support for professional development and continuous learning opportunities.
Full Job Description

Job Description

Title: Clinical Pathology Laboratory Manager/Principal Scientist

Full-time

Position Description:

The Clinical Pathology Laboratory Manager provides operational and technical leadership with scientific insights for the clinical pathology laboratory within Nonclinical Drug Safety Department. The successful candidate will ensure accurate, timely, and compliant delivery of laboratory data, and collaborates with stakeholders across functions to support nonclinical studies and development decisions across the pipeline from early discovery to submissions and post-marketing requirements. This role reports to the head of Clinical Pathology group.

Key Responsibilities:

Operational Leadership

  • Manage day-to-day functions of the clinical pathology laboratory, including hematology, coagulation, clinical chemistry, urinalysis, and related areas in multiple nonclinical species (rodents and non-rodents).  This role will include instrument operation and data generation on a rotating basis.

  • Supervise laboratory personnel: hiring, onboarding, scheduling, performance reviews, and career development.

  • Ensure appropriate staffing levels and competency through workforce planning and cross-training.

Quality and Compliance

  • Ensure compliance with institutional policies in a regulated environment (Good Laboratory Practice).

  • Oversee validation and documentation for new assays, instruments, and software updates.

  • Technical and Analytical Oversight

  • Monitor test performance, instrument functionality, and quality control (QC) metrics; respond to QC failures and implement corrective actions.

  • Evaluate new technologies, reagents, and automation opportunities; lead implementation projects as needed.

  • Safety and Environment

  • Promote and enforce a safe work environment, ensuring adherence to biosafety, chemical safety, and waste disposal regulations.

  • Ensure staff are appropriately trained in the safety policies and use of personal protective equipment laboratory operations.

  • Communication and Collaboration

  • Serve as the primary point of contact between laboratory and stakeholders.

  • Prepare and present reports on laboratory performance, quality metrics, and improvement projects.

  • Participate in multidisciplinary committees and contribute to laboratory strategy.

Qualifications:

Required:

  • Bachelor's degree in Medical Laboratory Science, Clinical Laboratory Science, Biology, Chemistry, or related field.

  • ASCP (MLS/MLT) or equivalent certification required.

  • Minimum 10 years of clinical laboratory experience with at least 2 years in a supervisory or lead role in clinical pathology or equivalent sections.

  • Strong knowledge of clinical laboratory operations, instrumentation, quality systems, and regulatory requirements (GLP).

  • Proven leadership, communication, and team development skills.

  • Proficiency with laboratory information systems (LIS) and electronic laboratory notebooks.

Preferred:

  • Master’s degree in clinical laboratory science or related field.

  • Prior experience in a hospital-based or high-volume clinical laboratory.

Competencies:

  • Leadership and people management.

  • Decision-making and problem solving.

  • Quality and regulatory focus.

  • Resource optimization.

  • Effective communication.

  • Technical aptitude and continuous learning.

Working Conditions:

  • Primarily laboratory environment with intermittent exposure to biological specimens, chemical reagents, and laboratory equipment noise.

  • Requires use of PPE and adherence to safety protocols.

  • On site office and laboratory-based position.

Required Skills:

Chemical Safety, Clinical Judgment, Clinical Pathology, Collaborative Communications, Detail-Oriented, Hematology, Improvement Projects, Innovation, Intellectual Curiosity, Laboratory Documentation, Laboratory Informatics, Laboratory Information Management System (LIMS), Medical Laboratories, Microscopic Imaging, Morphology, Regulatory Compliance, Regulatory Requirements, Team Collaboration, Technical Leadership, Urinalysis

Preferred Skills:

Current Employees apply

Current Contingent Workers apply

US and Puerto Rico Residents Only:

The salary range for this role is

$173,200.00 - $272,600.00

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 .

You can apply for this role through (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:

No Travel Required

Flexible Work Arrangements:

Not Applicable

Shift:

Not Indicated

Valid Driving License:

No

Hazardous Material(s):

N/A

Job Posting End Date:

07/8/2026

*A job posting is effective until 11:59:59PM on the day BEFOREthe listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.

About Merck & Co, Inc

Schering-Plough Corporation is a major U.S.-based manufacturer of pharmaceuticals. It operates in three segments: Prescription Pharmaceuticals, Animal Health, and Consumer Health Care. Schering-Plough develops products targeting on allergy, cancer, hepatitis, cardiovascular, central nervous system, respiratory system, and more.  It was founded in 1851 by Ernst Christian Friedrich Schering as Schering AG in Germany. Schering-Plough manufactured several pharmaceutical drugs, the most well-known of which were the allergy drugs Claritin and Clarinex, an anti-cholesterol drug Vytorin, and a brain tumor drug Temodar. It also developed drugs targeting on central nervous system and the respiratory system. Schering Plough also owned and operated the major foot care brand name Dr. Scholl's and the skin care line Coppertone. These also became a part of the new company. Schering-Plough was a full member of the European Federation of Pharmaceutical Industries and Associations (EFPIA), a membership which is also maintained by the new Merck.

Merck & Co, Inc Careers

Join the visionary team at Merck & Co, Inc, a global leader in healthcare dedicated to advancing the world of medicine. As part of our professional community, you'll find dynamic job opportunities that foster innovation and leadership across various fields. Merck & Co, Inc is not just a company; it's a place where you can make a difference.

Work You’ll Do

At Merck & Co, Inc, we are committed to improving global health through groundbreaking research and innovative healthcare solutions. Our team is at the forefront of developing new therapies and vaccines that significantly impact public health worldwide. By joining us, you will collaborate with some of the brightest minds in the industry, using your skills to contribute to projects that save and improve lives around the globe.

Explore Career Paths

Whether you're seeking an internship, a graduate opportunity, or a professional position, Merck & Co, Inc offers a range of career paths in environments that promote rapid professional growth and development. Explore job opportunities in research, digital transformation, manufacturing, and more, all while benefiting from a culture that supports diversity and inclusion.

Innovate and Lead

Merck & Co, Inc is an ideal environment for those who lead with curiosity and the drive to innovate. Our leadership is committed to fostering a culture where inventive thinking and collaboration are encouraged, making it a perfect place for professionals who seek to make an impact through their work.

Develop Your Skills

With Merck & Co, Inc, you are not just getting a job; you're gaining access to unparalleled career development opportunities. Enhance your skills through diverse training programs, workshops, and continuous learning courses designed to help you grow at every stage of your career.

Benefits and Culture

We understand that our employees are our greatest asset, which is why we offer competitive benefits designed to support the health and well-being of you and your family. From comprehensive health care coverage and retirement plans to flexible working conditions and wellness programs, our benefits package is designed to meet the diverse needs of our team members.

Join Our Team

Ready to advance your career at Merck & Co, Inc? Search open positions that match your skills and interests. We are continuously hiring and looking for passionate, creative, and solution-driven team players. Prepare your resume, sharpen your interview skills, and become part of a company that's dedicated to making a difference.

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Learn more about Merck & Co, Inc
Size
68,000 employees
Market Cap
$282.6 billion
Industry
Net Income
$7 billion
Founded
1668
5 Year Trend
+4.1%
Revenue
$47.9 billion
NASDAQ

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