Medical Lab Scientist

Medical Laboratory Scientist (MLS) – Core Laboratory

Location: Nashville, TN Schedule: Monday–Friday | Second Shift Compensation: $30–$38/hr

Lighthouse Lab Services is partnering with a growing clinical laboratory in Nashville, Tennessee, seeking an experienced Medical Laboratory Scientist (MLS) to join its Core Laboratory team.

This position will focus on high-complexity clinical laboratory testing across core disciplines, including chemistry, hematology, coagulation, and urinalysis. The ideal candidate brings a strong generalist background, is comfortable working independently in a high-complexity laboratory environment, and is confident troubleshooting instrumentation, evaluating results, and supporting efficient daily laboratory operations.

The Role You'll Play

• Perform high-complexity clinical laboratory testing across core laboratory disciplines, including chemistry, hematology, coagulation, and urinalysis.
• Process and analyze patient specimens, ensuring accurate and timely testing and reporting of results.
• Review, interpret, and validate laboratory results, evaluating consistency with established procedures, quality standards, and expected clinical findings.
• Perform, evaluate, and document quality control, quality assurance, and required daily, weekly, and monthly maintenance activities.
• Operate, maintain, troubleshoot, and calibrate automated laboratory instrumentation according to laboratory procedures and manufacturer requirements.
• Identify testing, QC, or instrumentation issues and participate in corrective actions and troubleshooting through resolution.
• Maintain accurate and complete documentation in accordance with laboratory SOPs, CLIA, CAP, and other applicable regulatory requirements.
• Monitor inventory levels and support ordering, preparation, and evaluation of reagents, calibrators, controls, and laboratory supplies.
• Assist with new reagent, method, or instrumentation verification and validation as needed.
• Maintain proper specimen handling, storage, retention, and disposal according to laboratory procedures.
• Support laboratory workflow and turnaround-time goals while maintaining a high level of quality and accuracy.
• Serve as a knowledgeable technical resource to other laboratory staff and contribute to training or competency activities as needed.
• Participate in ongoing quality improvement initiatives and support inspection readiness across the Core Laboratory.
• Perform other laboratory duties as assigned based on operational needs.

What We're Looking For

• Bachelor's degree in Medical Laboratory Science, Medical Technology, Biology, Chemistry, or another qualifying laboratory science.
• Tennessee Medical Laboratory Scientist License required.
• MLS/MT (ASCP) certification required.
• Minimum 5 years of clinical laboratory experience, preferably with a strong background in core laboratory testing.
• Hands-on experience in chemistry, hematology, coagulation, and/or urinalysis.
• Experience working in a high-complexity clinical laboratory environment required.
• Strong understanding of laboratory quality control, testing methodologies, safety procedures, and regulatory requirements.
• Experience operating, maintaining, and troubleshooting automated clinical laboratory instrumentation.
• Ability to independently evaluate testing results, resolve technical issues, and escalate concerns appropriately.
• Strong attention to detail, organization, and communication skills.
• Ability to work both independently and collaboratively within a laboratory team.
• Familiarity with laboratory information systems and standard laboratory technology.

Salary, Schedule & Benefits

• $30–$38/hr,
• Monday–Friday, second shift
• Health, dental, and vision insurance
• Paid time off and paid holidays
• Retirement benefits

About Lighthouse Lab Services

At Lighthouse Lab Services, we offer solutions to help start, grow, and run clinical laboratories. Our recruiting team has over 22 years of proven success placing job seekers in positions ranging from entry-level Medical Technologists to seasoned Laboratory Directors. We recruit nationwide for permanent and travel positions with clients ranging from small hospitals to large reference laboratories.

It is the policy of Lighthouse Lab Services to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. Lighthouse Lab Services is committed to working and providing reasonable accommodation to individuals of all abilities, including persons with disabilities. If at any time during the application process, you need an accommodation, please contact View email address on click.appcast.io for assistance.