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Medical Laboratory Scientist (PRN Overnight)

Principle Health Systems
Houston, TX Other
POSTED ON 11/26/2025
AVAILABLE BEFORE 1/26/2026


16840 Buccaneer Lane, Suite 261, Houston, TX 77058

832-932-5968     • principlehs.com




Medical Laboratory Scientist 

 

We are seeking a detail-oriented and reliable Medical Laboratory Scientist or Medical Laboratory Technician (Generalist) to join our team. This role is responsible for performing laboratory testing, ensuring compliance with quality standards, maintaining laboratory equipment, and supporting the overall productivity of laboratory operations. The ideal candidate will demonstrate strong technical skills, accountability, and a commitment to delivering high-quality results.

RESPONSIBILITIES 

  • Laboratory Testing and Compliance
    • Perform all laboratory testing specific to the assigned section according to standard operating protocols (SOPs).
    • Participate in the laboratory’s competency assessment program and ensure timely completion of assessments.
    • Adhere to the laboratory’s Quality Control policies, including troubleshooting and refraining from reporting patient results when out of control.
    • Comply with accreditation standards, including periodic SOP reviews and documentation.
  • Equipment and Resources Management
    • Successfully troubleshoot and maintain laboratory equipment.
    • Use company resources, such as reagents and supplies, efficiently to minimize costs.
  • Documentation and Reporting
    • Complete, verify, and report testing results accurately and on time.
    • Notify the laboratory manager of reporting errors and ensure proper corrective actions.
    • Participate in the notification and documentation of critical values to providers as per CAP requirements.
    • Maintain proficiency with the laboratory information system.
  • Safety and Regulatory Compliance
    • Comply with safety guidelines, procedures, and regulatory mandates.
    • Participate in the laboratory’s proficiency testing program to ensure compliance with laws and accreditation standards.
    • Adhere to the laboratory’s Quality Assurance program and contribute to its success.
  • Productivity and Team Support
    • Adjust, prioritize, and organize work to meet workload demands efficiently.
    • Assist peers and supervisors with tasks after completing assigned work.
    • Adhere to the attendance policy and begin work as scheduled.
    • Work independently and utilize available resources to maximize efficiency.
  • Training and Development
    • Participate in process improvement projects.
    • Coach and mentor students and Lab Assistants as assigned.
  • Customer Service
    • Manage customer service interactions with diplomacy and professionalism.
    • Actively facilitate resolutions to problems and address the needs of internal and external clients.
  • Computer Skills
    • Maintain proficiency in laboratory computer systems and processes.
    • Properly acquire specimen data into computer systems.
    • Analyze and evaluate patient results accurately and appropriately.
    • Store patient information and results for easy future access as required.
  • Other Duties
    • Complete additional laboratory tasks as assigned by management.

      REQUIREMENTS

  • Associate’s or Bachelor’s degree in a science-related field.
  • MLS or MLT (ASCP/AMT) certification required.
  • 3 or more years of clinical lab experience working as a generalist.
  • Experience with hematology, coagulation, chemistry, urinalysis, and some microbiology.

PHYSICAL AND MENTAL REQUIREMENTS

  • Ability to stand, walk, and perform repetitive motions for extended periods.
  • Manual dexterity to handle instruments and perform precise tasks.
  • Ability to lift and carry up to 20 pounds.
  • Strong attention to detail and the ability to perform under pressure.

 

We are an Equal Opportunity Employer and committed to providing reasonable accommodations to individuals with disabilities. If you require accommodations during the application or interview process, please contact hradmin@principlehs.com.

 


PRN; As-needed role Thursday-Friday between the hours of 5:00pm-7:00am or 10:00pm-6:00am and able to work most Saturdays 8am/9am-12pm/2pm) and occasional Sundays to cover staffing 6:00pm-6:00am.
Overnight core laboratory position working as a generalist MLS/MLS
Covers staffing shortages within the laboratory. Schedule flexbility is a must ,but we will work with your availability.

Salary : $26 - $30

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