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Lab Tech / LCMS Operator

Lighthouse Lab Services

McAllen, TX 78501 • 9/30/2026

Job Description

Job Description

LCMS Operator

Location: McAllen, Texas
Job Type: Full-Time, Permanent
Compensation: $60,000–$75,000 annually, depending on experience

Job Summary

Lighthouse Lab Services is partnering with a growing laboratory in McAllen, TX to identify an experienced LCMS Operator to join their analytical laboratory team.

The LCMS Operator will be responsible for the day-to-day operation, maintenance, and troubleshooting of liquid chromatography-mass spectrometry (LC-MS/MS) instrumentation. This position is ideal for a detail-oriented laboratory professional with hands-on experience operating LC-MS/MS systems in a clinical, toxicology, pharmaceutical, or analytical laboratory environment.

Responsibilities

  • Operate and maintain LC-MS/MS instrumentation for routine laboratory testing
  • Perform sample preparation, extraction, and processing prior to analysis
  • Prepare reagents, calibrators, controls, and standards
  • Perform instrument calibration, quality control, and system suitability testing
  • Monitor instrument performance and troubleshoot routine analytical issues
  • Review analytical data for accuracy, quality, and completeness
  • Identify and address instrument or assay issues and escalate complex problems as needed
  • Maintain accurate laboratory records and documentation
  • Follow established SOPs, quality assurance procedures, and laboratory safety requirements
  • Assist with validation, verification, and implementation of new methods as needed
  • Maintain a clean, organized, and compliant laboratory environment
  • Collaborate with laboratory leadership and other technical staff to ensure accurate and timely results

Qualifications

  • Bachelor's degree in Chemistry, Biochemistry, Medical Technology, Clinical Laboratory Science, or a related field preferred
  • 1+ years of hands-on LC-MS/MS experience preferred
  • Experience with sample preparation and analytical laboratory workflows
  • Strong understanding of chromatography and mass spectrometry principles
  • Ability to troubleshoot instrumentation and identify analytical problems
  • Strong attention to detail and commitment to quality
  • Ability to work independently while contributing to a collaborative laboratory environment
  • Clinical toxicology, pharmaceutical, forensic, or other analytical laboratory experience is a plus

Compensation & Benefits

  • $60,000–$75,000 annual salary, depending on experience
  • Opportunity to work with advanced LC-MS/MS instrumentation
  • Stable, full-time position with opportunities for professional growth
  • Collaborative laboratory environment

About Us:

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. In addition, Lighthouse Lab Services will provide reasonable accommodations for qualified individuals with disabilities.

Lighthouse Lab Services | | lighthouselabservices.com

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