Per Diem Lab Assistant Jobs in Riverside, CA (NOW HIRING)

Medical Assistant- Per Diem

Anaheim, CA

$18.50 - $23.75/hr

The Medical Assistant is responsible for gathering and documenting patient screening data for the ... Rooms patient in EMR, and directs them to Waiting Area, Treatment Room or Lab * Checks all incoming ...

Medical Assistant- Per Diem

Anaheim, CA

$18.50 - $23.75/hr

Medical Assistant- Per Diem

Anaheim, CA · On-site

$18.50 - $23.75/hr

Medical Assistant- Per Diem

Anaheim, CA · On-site

$18.50 - $23.75/hr

UHS

Lab Assistant - Full Time

Murrieta, CA · On-site

$21.90 - $31.75/hr

UHS

Lab Assistant - Full Time

Murrieta, CA · On-site

$21.90 - $31.75/hr

Rehab Alliance

Certified Occupational Therapy Assistant - Per Diem

Claremont, CA · On-site

$40 - $45/hr

Must be a Certified Occupational Therapy Assistant (COTA) to apply Employment Type: Per Diem Setting: SNF | Long-Term Care Exciting opportunity with Rehab Alliance! Join a leading therapy ...

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Rehab Alliance

Certified Occupational Therapy Assistant - Per Diem

Claremont, CA · On-site

$40 - $45/hr

Must be a Certified Occupational Therapy Assistant (COTA) to apply Employment Type: Per Diem Setting: SNF | Long-Term Care Exciting opportunity with Rehab Alliance! Join a leading therapy ...

Travel Cath Lab Tech

$2K - $3K/wk

Per Diem Shift: Day (5x8) Certifications: BCLS/BLS - American Heart Association/RCIS/ARRT(R ... Lab Tech position in Chino, CA! Call Titan for additional details. Benefits * Day-one medical ...

Travel Cath Lab Tech

$2K - $3K/wk

Travel Cath Lab Tech

$2K - $2K/wk

Per Diem Shift: Day (5x8) Certifications: BCLS/BLS - American Heart Association/RCIS/ARRT(R ... Diem Cath Lab Tech position in Chino, CA! Call Titan for additional details. (866) 332-9600 ...

Travel Cath Lab Tech

$2K - $2K/wk

Travel Cath Lab Tech

Chino, CA · On-site

$2K - $3K/wk

Travel Cath Lab Tech

Chino, CA · On-site

Chino, CA · On-site

$2K - $2K/wk

United Health Systems

Cath Lab Rad Tech

Chino, CA · On-site

Per Diem - 1 Year Start Date: 10/28/2024 No. of positions: 1 Years' of Experience: 1 years Location: Chino, CA, 91710 Evolve Healthcare Inc. is hiring for an experienced Cath Lab Rad Tech .You will ...

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United Health Systems

Cath Lab Rad Tech

Chino, CA · On-site

Cardiac Catheterization Lab, RN

$47.90 - $71.84/hr

Overview JOB SUMMARY The role encompasses the management of the cardiac catheterization lab patient ... PER_DIEM

Cardiac Catheterization Lab, RN

Spine & Sport Physical Therapy

$47.90 - $71.84/hr

Overview JOB SUMMARY The role encompasses the management of the cardiac catheterization lab patient ... PER_DIEM

Physical Therapist Assistant (Per Diem Float)

Irvine, CA

$32 - $39/hr

Description Per Diem Physical Therapist Assistant - Float Opportunity with Spine & Sport Physical Therapy in Orange County Pay: $32-$39/hr (based on experience & location) Schedule: Flexible, as ...

Spine & Sport Physical Therapy

Physical Therapist Assistant (Per Diem Float)

Irvine, CA

$32 - $39/hr

Cardiac Catheterization Lab, RN

$47.90 - $71.84/hr

Overview JOB SUMMARY The role encompasses the management of the cardiac catheterization lab patient ... PER_DIEM

Cardiac Catheterization Lab, RN

Per Diem Lab Assistant Jobs in Riverside, CA

$47.90 - $71.84/hr

Overview JOB SUMMARY The role encompasses the management of the cardiac catheterization lab patient ... PER_DIEM

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How much do per diem lab assistant jobs pay per hour?

As of Jun 7, 2026, the average hourly pay for per diem lab assistant in Riverside, CA is $21.12, according to ZipRecruiter salary data. Most workers in this role earn between $17.31 and $24.09 per hour, depending on experience, location, and employer.

What is the difference between Per Diem Lab Assistant vs Full-Time Lab Technician?

Aspect	Per Diem Lab Assistant	Full-Time Lab Technician
Credentials	High school diploma or equivalent; some roles may require certification	Associate's or Bachelor's degree in a related field; certification may be preferred
Work Environment	Temporary, flexible shifts in laboratories, hospitals, or clinics	Full-time, permanent positions with regular hours in similar settings
Employer & Industry Usage	Hospitals, research labs, clinics; used for short-term staffing needs	Hospitals, diagnostic labs, research institutions; core staff roles

Per Diem Lab Assistants typically work on a temporary, flexible basis with minimal credentials, focusing on support tasks. Full-Time Lab Technicians hold permanent roles with more advanced qualifications, performing routine testing and analysis regularly. The main difference lies in employment status, credentials, and job stability.

What are the key skills and qualifications needed to thrive as a Per Diem Lab Assistant, and why are they important?

To thrive as a Per Diem Lab Assistant, you need a basic understanding of laboratory procedures, specimen handling, and often a high school diploma or equivalent. Familiarity with laboratory information systems (LIS), phlebotomy equipment, and proper safety protocols is commonly required. Attention to detail, strong organizational skills, and effective communication help you excel in this fast-paced, flexible role. These skills and qualities are crucial to ensure accurate results, maintain lab efficiency, and support patient care in variable work schedules.

What are Per Diem Lab Assistants?

Per Diem Lab Assistants are laboratory support staff who work on an as-needed basis rather than a regular, full-time schedule. Their primary responsibilities include preparing samples, maintaining lab equipment, and assisting with testing procedures. Because their hours can vary depending on the laboratory's needs, this role offers flexibility and is often used to cover staff shortages, busy periods, or special projects. Per Diem Lab Assistants are commonly found in hospitals, research institutions, and diagnostic laboratories.

Are lab assistants in high demand?

Lab assistants, including per diem roles, are generally in steady demand due to ongoing needs in healthcare, research, and diagnostic laboratories. Employment opportunities can vary based on the industry, location, and level of experience, with skills in laboratory procedures and attention to detail being valuable assets.

What are the most common challenges faced by Per Diem Lab Assistants, and how can they be effectively managed?

Per Diem Lab Assistants often encounter challenges such as adapting quickly to different lab environments, managing fluctuating work schedules, and staying updated on diverse testing procedures. Since the role typically involves filling in for full-time staff or covering peak workloads, strong adaptability and time management skills are essential. Building good communication with permanent staff and being proactive in asking questions can help ease transitions and ensure quality work. Additionally, familiarizing yourself with the specific protocols of each lab assignment can make your shifts smoother and more efficient.

What are popular job titles related to Per Diem Lab Assistant jobs in Riverside, CA? For Per Diem Lab Assistant jobs in Riverside, CA, the most frequently searched job titles are:

What job categories do people searching Per Diem Lab Assistant jobs in Riverside, CA look for? The top searched job categories for Per Diem Lab Assistant jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Per Diem Lab Assistant jobs? Cities near Riverside, CA with the most Per Diem Lab Assistant job openings:

Per Diem Lab Assistant jobs near you

Infographic showing various Per Diem Lab Assistant job openings in Riverside, CA as of May 2026, with employment types broken down into 1% Locum Tenens, 2% As Needed, 66% Full Time, 28% Part Time, 1% Temporary, and 2% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $43,935 per year, or $21.1 per hour.

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