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How much do senior medical laboratory science jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for senior medical laboratory science in the United States is $32.41, according to ZipRecruiter salary data. Most workers in this role earn between $18.27 and $39.42 per hour, depending on experience, location, and employer.

What is a senior medical laboratory scientist?

Senior Medical Laboratory Scientists are highly trained professionals responsible for performing complex laboratory tests, analyzing results, and overseeing laboratory operations. They play a critical role in diagnosing diseases, monitoring treatment progress, and ensuring quality control within medical laboratories. In addition to their technical expertise, they often supervise junior staff, train new employees, and help develop laboratory protocols. Their work supports physicians in making accurate clinical decisions and maintaining patient safety.

What are the key skills and qualifications needed to thrive as a senior medical laboratory scientist?

To thrive as a Senior Medical Laboratory Scientist, you need advanced knowledge of laboratory procedures, clinical diagnostics, and quality control, usually backed by a bachelor's degree in medical laboratory science and relevant certification (such as ASCP or equivalent). Expertise in using laboratory information systems (LIS), automated analyzers, and proficiency with safety protocols is essential. Strong analytical thinking, leadership, and effective communication skills help in supervising teams and ensuring accurate results. These skills are vital for maintaining laboratory accuracy, ensuring patient safety, and leading teams in a high-stakes clinical environment.

What are some typical challenges faced by senior medical laboratory scientists, and how are they addressed within the team?

Senior Medical Laboratory Scientists often encounter challenges such as managing high workloads, ensuring the accuracy of complex diagnostic tests, and adapting to new technologies. These professionals typically address these challenges by collaborating closely with colleagues, delegating tasks appropriately, and participating in ongoing training sessions. Many labs encourage open communication and regular team meetings to troubleshoot issues and maintain high-quality standards, which helps foster a supportive environment where challenges can be resolved efficiently.

What is the difference between Senior Medical Laboratory Science vs Medical Laboratory Technician?

AspectSenior Medical Laboratory ScienceMedical Laboratory Technician
CredentialsBachelor's degree in Medical Laboratory Science or related field, certification (e.g., ASCP)Associate's degree or diploma in Medical Laboratory Technology, certification often required
Work EnvironmentHospitals, diagnostic labs, research facilities, often with supervisory dutiesClinical laboratories, hospitals, outpatient labs, performing routine tests
Job ResponsibilitiesPerforming complex tests, supervising technicians, quality control, interpreting resultsConducting routine laboratory tests, preparing samples, maintaining equipment

Senior Medical Laboratory Science professionals typically hold a bachelor's degree and certification, with responsibilities including complex testing and supervision. Medical Laboratory Technicians usually have an associate's degree and focus on routine testing. Both roles are essential in clinical labs but differ in education, scope, and responsibilities.

What are the duties of a senior medical laboratory scientist?

A senior medical laboratory scientist is responsible for performing complex laboratory tests, analyzing and interpreting results, and ensuring quality control and safety standards are met. They often supervise laboratory staff, troubleshoot equipment, and maintain detailed documentation, requiring strong technical skills and certification such as ASCP or equivalent.

What else can I do with a senior medical laboratory science degree?

A senior medical laboratory science degree prepares individuals for roles beyond the clinical laboratory, such as laboratory management, research, quality assurance, or teaching. Graduates can also pursue certifications like ASCP to enhance career opportunities and work in various healthcare, research, or industry settings that require strong analytical and technical skills.
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The top searched job categories for Senior Medical Laboratory Science jobs are:

Senior Medical Laboratory Science jobs near you
Infographic showing various Senior Medical Laboratory Science job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 15% Part Time, and 6% Contract. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $67,420 per year, or $32.4 per hour.

Sr. Medical Laboratory Scientist

Quest Diagnostics

Lenexa, KS • On-site

$33/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

ExamOne rating

6.6

Company rating: 6.6 out of 10

Based on 9 frontline employees who took The Breakroom Quiz

95th of 121 rated laboratories

Job description


Sr. Medical Laboratory Scientist - Lenexa, KS, Monday to Friday, 8:30 AM to 5:00 PM, with rotational weekends
Department: Blood Bank
Pay range: $33+ per hour
Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation.
Benefits information:
We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, happy lives. Our pay and benefit plans have been designed to promote employee health in all respects - physical, financial, and developmental. Depending on whether it is a part-time or full-time position, some of the benefits offered may include:
  • Day 1 Medical, supplemental health, dental & vision for FT employees who work 30+ hours
  • Best-in-class well-being programs
  • Annual, no-cost health assessment program Blueprint for Wellness®
  • healthyMINDS mental health program
  • Vacation and Health/Flex Time
  • 6 Holidays plus 1 "MyDay" off
  • FinFit financial coaching and services
  • 401(k) pre-tax and/or Roth IRA with company match up to 5% after 12 months of service
  • Employee stock purchase plan
  • Life and disability insurance, plus buy-up option
  • Flexible Spending Accounts
  • Annual incentive plans
  • Matching gifts program
  • Education assistance through MyQuest for Education
  • Career advancement opportunities
  • and so much more!

The Senior Medical Technologist is proficient in all principle duties of a Medical Technologist I and II. This Subject Matter Expert (SME) is responsible for complex laboratory testing and has broad decision-making authority and independence. The Senior Med Tech is required to provide technical direction to staff regarding complex and non-routine testing and is a source of contact of inquiries from clients or sales representatives. The Senior is responsible for investigating and resolving analytical testing problems and recommending course of action. The Senior is responsible for training and development of staff under the direction of the Supervisor in accordance with the appropriate federal, state and local guidelines.
Responsibilities
  • Demonstrates all characteristics of Med Tech I and II
  • Applies evidence based criteria to correlate and interpret laboratory testing data
  • Performs clinical validation to optimize laboratory testing as directed
  • Assumes role of technical subject matter expert by demonstrating problem solving and troubleshooting instrumentation and assays
  • Serve as a technical resource for the unit by investigating and resolving analytical testing problems, recommending a course of action in instances identified as beyond acceptable limits, and responding to non-routine/complex inquiries and/or requests from clients and sales representatives.
  • Assumes role of technical consultant and provides technical direction to team members regarding all matters of testing
  • Assumes trainer and SME role in education; designs and implements training material. Evaluates technical competencies of team and provides recommendations for continuing education
  • Proficient in understanding and interpreting trends and variables when implementing QC theory and policies
  • Review requests for validity checks and recommend an appropriate course of action taking into account the limitations of specimen requirements and the effects of time and the quality of additional and/or repeat testing.
  • Expedites the flow of work to maximize productive capacity by evaluating production systems and recommending enhancements and coordinating the resolution of production problems/issues involving other laboratory departments.
  • Review unit activities to ensure compliance with departmental policies and federal, state, and local regulations.
  • Competent in most areas within the department
  • Participates in special projects as assigned
  • Performs other duties as directed by Supervisor

Qualifications
Required Work Experience:
  • Minimum of three (3) to five (5) years clinical experience with two (2) years in present department.
  • 5 years of blood bank experience preferred
  • If Sr MLS will be asked to perform delegated supervisory duties, then minimum required qualifications are:
    • Master of Science Degree in biological or chemical science and two (2) years of work experience as a Medical Lab Scientist in the designated laboratory specialty.
    • At least four (4) years of pertinent clinical laboratory experience subsequent to qualifying as a Medical Lab Scientist
    • If operating within the Commonwealth of Pennsylvania must have at least six (6) years of pertinent clinical laboratory experience subsequent to qualifying as a Medical Lab Scientist
  • If HEW certified, eight (8) years or more in same department.

Physical and Mental Requirements:
  • Ability to sit or stand for long periods of time

Skills:
  • Demonstrates effective communication and collaboration skills within department as well as with other functions within the company and third parties (i.e.clients)
    • Must have the ability to establish work priorities for self and others and handle several procedures simultaneously including troubleshooting instruments and other problems/issues.
  • Ability to schedule and manage resources to meet department goals.
  • Must protect patient confidentiality at all times.

Education
  • Bachelor of Science in Medical Technology, Biology or Chemistry or an Associates degree in a Laboratory Science or Medical Laboratory Technology or have previously qualified as a Technologist under 42 CFR 493. 1433 (Required)
  • Foreign educated candidates must provide a detailed credential evaluation from IERF (International Education Research Foundation). (Required)
  • United States educated candidates must provide a detailed original transcript. (Required)

Licenses and Certifications
  • HEW Certified (Preferred)

MLS, Medical Laboratory Scientist, Medical Lab Scientist, Med Tech, Medical Technologist, CLS, Clinical Lab Scientist
About the Team
Quest Diagnostics honors our service members and encourages veterans to apply.
While we appreciate and value our staffing partners, we do not accept unsolicited resumes from agencies. Quest will not be responsible for paying agency fees for any individual as to whom an agency has sent an unsolicited resume.
Equal Opportunity Employer: Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.

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