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ManpowerGroup is seeking a Lab Tech Sr. for the 3rd shift in Santa Rosa, CA. The role supports analytical testing workflows with strict adherence to SOPs and documentation practices. Ideal candidates have a chemistry background and one year of analytical-lab experience.
The position involves data processing, instrument handling of GC/MS/LC/MS/MS, and accurate reporting while maintaining Chain of Custody records and LIS entry.
Our client, a scientific and laboratory services organization, is seeking a Lab Tech Sr. - 3rd Shift to join their team. As a Lab Tech Sr. - 3rd Shift, you will be part of the laboratory operations team supporting analytical testing workflows. The ideal candidate will have strong attention to detail, a commitment to safety, and the ability to follow written procedures consistently—skills that will align successfully in the organization.
Job Title: Lab Tech Sr. - 3rd Shift
Location: Santa Rosa, CA
Pay Range: $20-22/ hr on w2
Read, understand, and follow written Standard Operating Procedures (SOPs) to support accurate, compliant testing.
Correctly identify analyzed samples and verify the accuracy of sequence for each batch.
Process acquired instrument data and generate appropriate reports for review.
Conduct the first review of GC/MS and/or LC/MS/MS analytical data by each assay SOP.
Transcribe or upload results to the LIS for final review and certification, while maintaining proper Chain of Custody batch documentation.
Bachelor's degree in chemistry, analytical chemistry, or a related field.
At least one year of experience working in an analytical lab.
Ability to work safely with biological specimens, chemicals, equipment, and instruments.
Experience with lab documentation practices, including Chain of Custody and batch records.
Comfort working with analytical instruments and data review processes (GC/MS and/or LC/MS/MS preferred).
Work in a structured, SOP-driven analytical environment where accuracy and compliance matter.
Opportunity to take ownership of first-pass analytical data review and reporting.
Clear expectations around documentation, escalation, and maintaining a safe workplace.
Contribute to reliable results by ensuring sample identification, batch sequencing, and LIS entry are completed correctly.
Be part of a team that values prompt communication with supervisors when challenges arise.
Medical and Prescription Drug Plans
Dental Plan
Vision Plan
Health Savings Account
Health Flexible Spending Account
Dependent Care Flexible Spending Account
Supplemental Life Insurance
Short Term and Long Term Disability Insurance
Business Travel Insurance
401(k), Plus Match
Weekly Pay
ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands - Manpower, Experis, Talent Solutions, and Jefferson Wells - creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.
ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.