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Overnight Lab Jobs in Arizona (NOW HIRING)

Travel Cath Lab Technologist

Arizona City, AZ · On-site

$2.3K - $3.0K/wk

Cath Lab Technologist * Discipline: Allied Health Professional * Start Date: 09/21/2026 * Duration ... Weekday overnight call and weekend 24-hour call. * Candidates from Arizona are not eligible for ...

Field/Lab Technician

Gilbert, AZ · On-site

$19.75 - $27/hr

We're looking for motivated Field/Lab Technicians to join our growing team. This position offers ... Some assignments may require overnight stays or extended travel depending on project location. QT ...

Special Procedures Technologist

Mesa, AZ · On-site

$2.4K - $2.7K/wk

Weekday overnight call * Weekend 12-hour and 24-hour call rotation Position Summary & Responsibilities: * Perform special procedures/Cath Lab imaging and assist physicians * Prepare patients ...

Showing results 21-40

Overnight Lab information

What is an overnight lab?

Overnight Lab jobs typically involve working during nighttime hours in laboratory settings. Employees may be responsible for processing samples, conducting experiments, analyzing data, or maintaining lab equipment while most daytime staff are not present. These roles are crucial for labs that operate 24/7, such as medical testing facilities, research institutions, or industrial labs, to ensure continuous workflow and timely results. Working overnight can involve unique challenges, including managing fatigue and adjusting to a non-traditional schedule, but it also often offers higher pay or shift differentials.

What are the key skills and qualifications needed to thrive as an overnight lab technician?

To thrive as an Overnight Lab Technician, you need a solid understanding of laboratory procedures, safety protocols, and typically an associate degree or higher in a science-related field. Familiarity with lab instruments, data analysis software, and Laboratory Information Management Systems (LIMS) is often required. Attention to detail, effective time management, and strong problem-solving skills are crucial soft skills for this role. These competencies ensure accurate and timely results, maintain lab safety standards, and support continuous lab operations during overnight shifts.

What are some common challenges faced when working an overnight lab shift, and how can they be managed?

Overnight lab positions often require adapting to an unconventional sleep schedule, which can impact alertness and overall health. Managing fatigue is crucial; strategies include maintaining a consistent sleep routine, staying hydrated, and taking short, scheduled breaks during shifts. Communication with daytime staff is also important to ensure smooth handovers and continuity of work. Additionally, overnight staff may encounter limited on-site resources, so strong problem-solving skills and self-sufficiency are valuable in this role.

What is the difference between Overnight Lab vs Night Lab Technician?

AspectOvernight LabNight Lab Technician
CredentialsHigh school diploma or equivalent; some roles may require certification in lab proceduresHigh school diploma or equivalent; certification may be preferred
Work EnvironmentLaboratory setting, overnight shifts, often in healthcare or research labsLaboratory setting, overnight shifts, typically in healthcare or diagnostic labs
Employer & IndustryHospitals, diagnostic labs, research facilitiesHospitals, diagnostic labs, healthcare facilities
Common Search & ComparisonOvernight Lab vs Night Lab Technician

The main difference between an Overnight Lab and a Night Lab Technician lies in the job scope. An Overnight Lab often refers to the shift timing or the lab's operational hours, while a Night Lab Technician is a specific role responsible for performing lab tests during overnight shifts. Both roles typically require similar credentials and work in comparable environments, primarily in healthcare or research labs operating overnight hours.

What are the most commonly searched types of Lab jobs in Arizona?

The most popular types of Lab jobs in Arizona are:

What cities in Arizona are hiring for Overnight Lab jobs?

Cities in Arizona with the most Overnight Lab job openings:

Infographic showing various Overnight Lab job openings in Arizona as of August 2026, with employment types broken down into 2% As Needed, 76% Full Time, 11% Part Time, and 11% Contract. Highlights an 96% Physical, 2% Hybrid, and 2% Remote job distribution.

QA Lab Technician (Dairy Plant) | Day Shift

Shamrock Foods Company

Phoenix, AZ

$23.15/hr

Full-time

Medical, Retirement, PTO

Re-posted 19 days ago


Shamrock Foods rating

8.2

Company rating: 8.2 out of 10

Based on 50 frontline employees who took The Breakroom Quiz

8th of 49 rated food wholesalers


Job description

Starting Compensation: $23.15 per hour

Use laboratory and standardized testing procedures to ensure quality and food safety attributes of fluid dairy, non-dairy beverages, sour cream, cottage cheese, and other products meet regulatory and internal specifications to maintain the integrity of Shamrock and our customers’ brands.

Follow all required work safe practices. This would include compliance with Good Manufacturing Practices, wearing of all required PPE in designated areas, confined space safety, safe chemical handling, fall restraints, etc.

Essential Duties:

  • Use laboratory equipment and standardized testing procedures to accurately measure and report quality standards of products produced at required frequency
  • Interpret results from laboratory testing to ensure any issues are identified as quickly as possible and resolved
  • Communicate with lab supervisor, production personnel, and warehouse associates to ensure issues are corrected in a timely manner
  • Interpret and submit samples and required documentation for co-pack vendors
  • Evaluate raw ingredients and packaging for quality to ensure no sub-standard raw materials are used in production
  • Deliver supplies and laboratory specimens to designated work areas
  • Clean and sterilize lab area, equipment, and instruments regularly to avoid contamination of samples
  • Conduct equipment swab tests to confirm cleanliness of equipment
  • Conduct calibration of lab and production equipment at appropriate frequency
  • Maintain finished product reports based on laboratory analysis
  • Coach production associates in assigned area on GMPs, Sanitation, and Quality checks to identify risks factors that could lead to non-conforming product
  • Audit batching, processing, and filler paperwork and escalate issues when non-conformances are found
  • Coordinate communication between manufacturing associates and QA personnel
  • Use petrifilm plates to test water, air, ingredient, and product samples for microbial activity
  • Conduct environmental testing for pathogens
  • Interpret and submit petrifilm results used to approve product
  • Regular and reliable attendance.
  • Other duties may be assigned

Qualifications:

  • Bachelor’s Degree in Biology, Microbiology, Dairy Science, Food Science, or related field preferred
  • 2+ year related experience
  • A combination of relevant work experience and education
  • Must be available to work with the demands of the department which are subject to overnight shifts, weekends, and holidays
  • Able to multi-task in a fast-paced manufacturing environment
  • Able to work with reasonable accommodations in an environment containing major food allergens
  • Able to regularly climb stairs and occassionally climb ladders. 
  • Capable of occasionally lifting 50 pounds unassisted
  • Able to work on foot for extended periods of time
  • Minimum skill rating of Quality Assurance Technician II (Floor/Micro)
  • Must be able to frequently reach up to 52 inches 

Corporate Summary: 

At Shamrock Foods Company, people come first – our associates, our customers, and the families we serve across the nation. A privately-held, family-owned and -operated Forbes 500 company, Shamrock is an innovator in the food industry and has been since being founded in Arizona in 1922. 

Our Mission:

At Shamrock Foods Company, we live by our founding family’s motto to “treat associates like family and customers like friends.” 

Why work for us? 

Benefits are a major part of your overall compensation, and we believe offering them at an affordable cost is not only the right thing to do, but it helps keep you and your family healthy. That’s why Shamrock Foods pays for the majority of your health insurance, allowing you to take home more of your paycheck. And it doesn’t stop there - our associates also enjoy additional benefits such as 401(k) Savings Plan, Profit Sharing, Paid Time Off, as well as our incredible growth opportunities, continued education and wellness programs.

Equal Opportunity Employer 

 At Shamrock Foods Co all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status, sexual orientation, gender identity or any other basis protected by applicable law. 


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