Senior Laboratory Technician – Confirmations, 3rd Shift

Viltis Consulting; Santa Rosa (CA); On-site; USD 60,000 - 82,000; Part time

Job summary

Viltis is seeking a Senior Laboratory Technician – Confirmations to support analytical operations in its Santa Rosa facility. The role emphasizes data review and documentation to ensure accuracy and regulatory compliance.

Responsibilities include processing GC/MS and LC/MS/MS data, generating reports, transcribing results to the LIS, maintaining chain-of-custody, and collaborating with supervisors to resolve data discrepancies.

Qualifications

• Bachelor’s degree in chemistry, analytical chemistry, biochemistry, or a related scientific field.
• At least one year of experience working in an analytical laboratory.
• Experience following laboratory SOPs and maintaining controlled documentation.
• Ability to work safely with biological specimens, chemicals, equipment, and analytical instruments.
• Strong attention to detail and the ability to accurately review and document analytical data.
• Effective written and verbal communication skills.
• Ability to work independently and collaboratively in a fast-paced laboratory environment.
• Availability to work the designated third-shift schedule.

Responsibilities

• Read, understand, and follow written Standard Operating Procedures.
• Correctly identify analyzed samples and verify the accuracy of sample sequences for each batch.
• Process acquired instrument data and generate appropriate analytical reports.
• Conduct the initial review of GC/MS and LC/MS/MS analytical data in accordance with assay-specific procedures.
• Transcribe or upload test results into the Laboratory Information System for final review and certification.
• Maintain complete and accurate chain-of-custody and batch documentation.
• Identify data discrepancies, instrument issues, or other emerging challenges and promptly elevate them to laboratory supervisors.
• Follow laboratory quality, safety, and documentation requirements.
• Safely handle biological specimens, chemicals, laboratory equipment, and analytical instruments.
• Maintain and promote a safe and healthful working environment for all laboratory personnel.
• Support additional laboratory activities as assigned.

Education

Bachelor’s degree in chemistry, analytical chemistry, biochemistry, or related field

Strong attention to detail

Effective written and verbal communication

Ability to work independently and collaboratively

Tools

GC/MS

LC/MS/MS

Laboratory Information System (LIS)

Job description

Senior Laboratory Technician – Confirmations, 3rd Shift
Scientific Santa Rosa , California Contract Jul 23, 2026

Senior Laboratory Technician – Confirmations, 3rd Shift

Location: Santa Rosa, CA 95403
Schedule: 3rd Shift
Employment Type: Contract

Position Overview

Viltis is seeking a Senior Laboratory Technician – Confirmations to support a client’s analytical laboratory operations. This position is responsible for reviewing and processing analytical data generated through GC/MS and LC/MS/MS testing, maintaining accurate documentation, and ensuring results are entered into the laboratory information system for final review and certification.

The ideal candidate has a bachelor’s degree in chemistry or a related scientific discipline and at least one year of experience working in an analytical laboratory.

Responsibilities

• Read, understand, and follow written Standard Operating Procedures.
• Correctly identify analyzed samples and verify the accuracy of sample sequences for each batch.
• Process acquired instrument data and generate appropriate analytical reports.
• Conduct the initial review of GC/MS and LC/MS/MS analytical data in accordance with assay-specific procedures.
• Transcribe or upload test results into the Laboratory Information System for final review and certification.
• Maintain complete and accurate chain-of-custody and batch documentation.
• Identify data discrepancies, instrument issues, or other emerging challenges and promptly elevate them to laboratory supervisors.
• Follow laboratory quality, safety, and documentation requirements.
• Safely handle biological specimens, chemicals, laboratory equipment, and analytical instruments.
• Maintain and promote a safe and healthful working environment for all laboratory personnel.
• Support additional laboratory activities as assigned.

Required Qualifications

• Bachelor’s degree in chemistry, analytical chemistry, biochemistry, or a related scientific field.
• At least one year of experience working in an analytical laboratory.
• Experience following laboratory SOPs and maintaining controlled documentation.
• Ability to work safely with biological specimens, chemicals, equipment, and analytical instruments.
• Strong attention to detail and the ability to accurately review and document analytical data.
• Effective written and verbal communication skills.
• Ability to work independently and collaboratively in a fast-paced laboratory environment.
• Availability to work the designated third-shift schedule.

Preferred Qualifications

• Previous experience reviewing GC/MS or LC/MS/MS analytical data.
• Experience working in a regulated, clinical, toxicology, pharmaceutical, or high-throughput testing laboratory.
• Familiarity with Laboratory Information Systems.
• Experience with chain-of-custody documentation and laboratory quality systems.

About Viltis

Viltis partners with life sciences, pharmaceutical, biotechnology, and medical device organizations to provide specialized scientific, quality, regulatory, clinical, and engineering talent.

Viltis is an equal opportunity employer. Employment decisions are made without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other status protected by applicable law.