Senior Laboratory Assistant - Clinical Laboratory

Senior Laboratory Assistant at Providence St. Joseph Hospital Orange in Orange, CA. This position is Full-time and will work 8-hour, Day shifts.

St. Joseph Hospital is four-time designated for Magnet status, the highest recognition for nursing excellence. Since 2007, St. Joseph Hospital has been recognized as a Magnet hospital—a prestigious designation from the American Nurses Credentialing Center (ANCC), which recognizes organizations that provide the highest-quality care.

Join Providence St. Joseph Hospital - Orange, recognized as one of the best regional hospitals in 14 types of care by U.S. News & World Report. We are a proud recipient of the 2025 Women’s Choice Award in multiple categories of women’s care such as Bariatrics, Cancer Care, Comprehensive Breast Centers, Emergency Care, Heart Care, Minimally Invasive Surgery, Obstetrics, Patient Experience, Patient Safety, Stroke Care, Women's Services and Best Mammogram Imaging Center.

Under the direction and supervision of the Division Supervisor/Manager, the Sr Lab Assistant ensures accurate and timely drawing, receipt, centrifugation, and delivery of laboratory specimens to appropriate departments and reference labs. Staff duties may include specimen collection (Phlebotomy), receiving, accessioning, plating and set up (Processing, Microbiology, Pathology), and loading specimens on instruments and basic instrument maintenance (Chemistry, Hematology, Pathology).

Providence caregivers are not simply valued – they’re invaluable. Join our team at St. Joseph Hospital Of Orange and thrive in our culture of patient-focused, whole-person care built on understanding, commitment, and mutual respect. Your voice matters here, because we know that to inspire and retain the best people, we must empower them.

Required Qualifications:

• Upon hire: California Certified Phlebotomy Technician I License or


• Upon hire: California Certified Phlebotomy Technician II License


• 1 year experience as a Phlebotomist or Lab Assistant performing blood specimen collections, specimen processing, centrifuging and handling send out specimens to other laboratories, or experience in working in a laboratory division

Preferred Qualifications:

• 2 years experience in blood specimen collections


• 2 years experience performing specimen processing, centrifuging and handling send out specimens to other laboratories, or working in a laboratory division

Why Join Providence? 

Our best-in-class benefits are uniquely designed to support you and your family in staying well, growing professionally, and achieving financial security. We take care of you, so you can focus on delivering our Mission of caring for everyone, especially the most vulnerable in our communities.