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

ATC West Healthcare

CNA Per Diem

Upland, CA

$21/hr

Per Diem CNAs needed in Upland, CA, USA. $21/hr Assignment Details Work Type: Per Diem • Pay: $21/hr • Location: Upland, CA • Title: CNA Med Surg • Licensure: BLS . Start: ASAP . Shift: Days ...

Chapman University

Lab Tech Assistant 1

Orange, CA · On-site

$16.90 - $17.50/hr

... hours per week Up to 10 Hrs Position Summary Information Summary A Lab Assistant will assist the Art Studio Manager and Art Faculty in the proper functioning of the Wilkinson College of Arts ...

ATC West Healthcare

CNA - Per Diem

Upland, CA

$21/hr

ATC WEST HEALTHCARE IS CURRENTLY HIRING FOR A CNA FOR A PROMINENT HEALTHCARE FACILITY IN UPLAND, CA Assignment Details Work Type: Per Diem * Pay: $21/hr * Gross: $294/shift * Location: Upland, CA

UHS

CLINICAL LAB SCIENTIST Per Diem

Corona, CA · On-site

$44.74 - $67.12/hr

Responsibilities Clinical Lab Scientist (CLS) Per Diem position located at Corona Regional Medical ... Directs work of laboratory assistants and auxiliary personnel. Maintains working knowledge of ...

UHS

CLINICAL LAB SCIENTIST Per Diem

Corona, CA

Responsibilities Clinical Lab Scientist (CLS) Per Diem position located at Corona Regional Medical ... Directs work of laboratory assistants and auxiliary personnel. Maintains working knowledge of ...

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Per Diem Lab Assistant information

See Riverside, CA salary details

$10

$21

$31

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?

AspectPer Diem Lab AssistantFull-Time Lab Technician
CredentialsHigh school diploma or equivalent; some roles may require certificationAssociate's or Bachelor's degree in a related field; certification may be preferred
Work EnvironmentTemporary, flexible shifts in laboratories, hospitals, or clinicsFull-time, permanent positions with regular hours in similar settings
Employer & Industry UsageHospitals, research labs, clinics; used for short-term staffing needsHospitals, 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.
Registered Nurse - Cath Lab - Per Diem

Registered Nurse - Cath Lab - Per Diem

B2B Staffing

Chino, CA • On-site

$631 - $671/wk

Contractor, Per diem

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

  • Location: Chino, California
  • Type: PRN
  • Job 18110577
  • Apply Now
Registered Nurse - Cath Lab - Per Diem Location: Chino, CA Job Description: Step into a dynamic per diem RN Cath Lab role that places you at the heart of advanced cardiovascular care within a collaborative, patient-focused team. As a seasoned registered nurse, you will scrub, circulate, and assist with catheterization procedures, monitor patients throughout, manage equipment, and uphold the highest sterile technique and safety standards. This day-shift opportunity emphasizes flexible scheduling, ongoing professional development, and the chance to make a meaningful impact on a fast-paced cardiac care unit alongside dedicated teammates. If you thrive in a high-energy environment, value teamwork, and are passionate about delivering exceptional patient experiences, this role invites you to apply and bring your expertise to our essential per diem program. If you are a qualified Registered Nurse and looking for an exciting contract position with competitive compensation and benefits packages, apply today!
  • Job ID: 768-546
  • Profession: Registered Nurse
  • Specialty: Cath Lab
  • City: Chino
  • State: CA
  • Employment Type: Per Diem
  • Shift:
    • Days
  • Shift Pay: $631 - $671

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