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

UHS

PHLEBOTOMIST- Per Diem

Corona, CA · On-site

$21.90 - $32.84/hr

Responsibilities PHLEBOTOMIST Per Diem The tradition of caring that culminated in the establishment ... Reporting to the Director of Laboratory this position obtains blood samples for lab testing ...

UHS

Clinical Lab Scientist - Per Diem

Wildomar, CA · On-site

$44.74 - $64.88/hr

The hospital performs more than 4,000 surgeries a year, and has an average of 4,000 Emergency Department visits per month. The hospital features a Bariatric Weight-Loss Surgery Center of Excellence ...

UHS

Clinical Lab Scientist - Per Diem

Wildomar, CA

The hospital performs more than 4,000 surgeries a year, and has an average of 4,000 Emergency Department visits per month. The hospital features a Bariatric Weight-Loss Surgery Center of Excellence ...

UHS

Clinical Lab Scientist - Per Diem

Wildomar, CA · On-site

$44.74 - $64.88/hr

The hospital performs more than 4,000 surgeries a year, and has an average of 4,000 Emergency Department visits per month. The hospital features a Bariatric Weight-Loss Surgery Center of Excellence ...

UHS

Clinical Lab Scientist - Per Diem

Wildomar, CA

The hospital performs more than 4,000 surgeries a year, and has an average of 4,000 Emergency Department visits per month. The hospital features a Bariatric Weight-Loss Surgery Center of Excellence ...

Astrana Health

RN Circulating - Per Diem

Tustin, CA

$60/hr

Assess patients preoperatively and review medical history, allergies, lab results, and surgical ... Perform accurate charting and electronic medical record documentation * Assist with room turnover ...

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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 9, 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.

Physical Therapist Assistant - Per Diem Hospital Setting

South Pacific Rehab Services

Montclair, CA • On-site

$35 - $42/hr

Full-time

Posted 18 days ago

Job description

Must be a licensed Physical Therapist Assistant to apply

Employment Type: Per Diem

Setting: SNF | Long-Term Care


Exciting opportunity with South Pacific Rehab Services!

Join a leading therapy organization with 30+ years of excellence in care and team development.

Why You'll Love Working with Us:

South Pacific Rehab Services, part of the Enhance Therapies family of companies, is hiring a Physical Therapist Assistant - Per Diem Hospital Setting to join our growing and passionate team. We support our clinicians with competitive pay, a collaborative work environment, and industry-leading clinical education so you can focus on what matters most: making a difference in peoples lives. Just as you're committed to delivering high-quality care, we're committed to supporting your professional growth and long-term success.

What We Offer:

  • Supportive company culture rooted in mentorship and collaboration
  • Unparalleled schedule flexibility to fit your lifestyle
  • 401(k) with company match to invest in your future
  • Opportunities for promotion, advancement, and internal transfers
  • Dynamic partnerships with leading facilities for career stability
  • Student mentor program and ongoing professional development
  • Referral bonus program
  • Immigration support for H1B candidates, including transfers and new filings
  • Additional benefits and perks are available - reach out today to learn more!

What You'll Do:

  • Provide physical therapy treatments under the supervision of a licensed Physical Therapist, following state practice guidelines
  • Assist in identifying appropriate patients for therapy and coordinate with the PT for evaluation and referral
  • Collaborate with team members to ensure quality outcomes
  • Maintain documentation to meet all regulatory requirements
  • Ensure all required physician orders are obtained and up to date

Qualifications:

  • Associates degree from an APTA-accredited Physical Therapist Assistant program
  • Current license as Physical Therapist Assistant in the state of practice
  • Strong communication and organizational skills
  • New grads welcome! Mentorship available


Refer a Friend & Earn!

Know a great therapist? Help grow our team and get rewarded. Visit https://enhancetherapies.com/refer-a-friend/


About Enhance Therapies

Enhance Therapies is a family of therapy companies with more than 30 years of industry-leading experience in delivering high-quality rehabilitation services. With over 8,000 therapists in 30+ states, we proudly serve patients in skilled nursing, home health, senior living, outpatient, and hospital settings.

Our mission is to empower clinicians and elevate care through innovative programs, unmatched clinical support, and a strong culture of collaboration. Each of our local brands, including South Pacific Rehab Services, is supported by the strength and stability of Enhance Therapies while maintaining its unique community-focused identity.

Related: PTA | Physical Therapist Assistant | APTA

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