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Testing Assistant Jobs in Toronto, ON (NOW HIRING)

RSM

Offensive Security - Penetration Tester

Toronto, ON · On-site

CA$62K - CA$107K/yr

Conduct manual penetration testing on web applications, network devices, and other systems ... security * Assist with the development of remediation recommendations for identified findings

Scotiabank

Assistant Manager

Toronto, ON · On-site

... quality testing/post transaction reviews of trade finance transactions. * Acting as a backup for ... Assist in Developing, maintaining and implementation of Policy and Procedures by: * * Making ...

Dynacare

Clinical Laboratory Assistant

Brampton, ON · On-site

CA$22 - CA$24.50/hr

Perform simple non-interpretive testing procedures * Ensure that all abnormal, critical and STATS ... Medical Laboratory Assistant Certification required or graduate of an approved laboratory assistant ...

Dynacare

Clinical Laboratory Assistant

Brampton, ON

CA$22 - CA$24.50/hr

Perform simple non-interpretive testing procedures * Ensure that all abnormal, critical and STATS ... Medical Laboratory Assistant Certification required or graduate of an approved laboratory assistant ...

Dynacare

Clinical Laboratory Assistant

Brampton, ON

CA$22 - CA$24.50/hr

Perform simple non-interpretive testing procedures * Ensure that all abnormal, critical and STATS ... Medical Laboratory Assistant Certification required or graduate of an approved laboratory assistant ...

Dynacare

Clinical Laboratory Assistant

Brampton, ON

CA$22 - CA$24.50/hr

Perform simple non-interpretive testing procedures * Ensure that all abnormal, critical and STATS ... Medical Laboratory Assistant Certification required or graduate of an approved laboratory assistant ...

Dynacare

Clinical Laboratory Assistant

Brampton, ON · On-site

CA$22 - CA$24.50/hr

Perform simple non-interpretive testing procedures * Ensure that all abnormal, critical and STATS ... Medical Laboratory Assistant Certification required or graduate of an approved laboratory assistant ...

Dynacare

Clinical Laboratory Assistant

Brampton, ON

CA$22 - CA$24.50/hr

Perform simple non-interpretive testing procedures * Ensure that all abnormal, critical and STATS ... Medical Laboratory Assistant Certification required or graduate of an approved laboratory assistant ...

Dynacare

Clinical Laboratory Assistant

Brampton, ON · On-site

CA$22 - CA$24.50/hr

Perform simple non-interpretive testing procedures * Ensure that all abnormal, critical and STATS ... Medical Laboratory Assistant Certification required or graduate of an approved laboratory assistant ...

Dynacare

Clinical Laboratory Assistant

Brampton, ON · On-site

CA$22 - CA$24.50/hr

Perform simple non-interpretive testing procedures * Ensure that all abnormal, critical and STATS ... Medical Laboratory Assistant Certification required or graduate of an approved laboratory assistant ...

Dynacare

Clinical Laboratory Assistant

Brampton, ON · On-site

CA$22 - CA$24.50/hr

Perform simple non-interpretive testing procedures * Ensure that all abnormal, critical and STATS ... Medical Laboratory Assistant Certification required or graduate of an approved laboratory assistant ...

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All JobsTesting JobsTesting Assistant JobsTesting Assistant Jobs in Toronto, ON

Testing Assistant information

See Toronto, ON salary details

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$17

$40

How much do testing assistant jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for testing assistant in Toronto, ON is $17.97, according to ZipRecruiter salary data. Most workers in this role earn between $11.70 and $19.04 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a testing assistant?

To thrive as a Testing Assistant, you need attention to detail, organizational skills, and a basic understanding of testing protocols, often supported by a high school diploma or equivalent. Familiarity with test administration software, data entry systems, and sometimes secure browser tools is typically required. Strong communication, reliability, and the ability to maintain confidentiality help Testing Assistants stand out. These skills ensure accurate test administration, uphold security standards, and provide a smooth experience for both testers and administrators.

What are some common challenges testing assistants face when coordinating with multiple departments during a testing cycle?

Testing Assistants often work closely with various teams such as development, quality assurance, and project management. A common challenge is ensuring clear communication and timely updates, as misalignment can lead to delays or overlooked defects. Managing multiple priorities and adjusting to shifting testing schedules also requires strong organizational skills. Proactively clarifying expectations and maintaining detailed documentation can help Testing Assistants navigate these challenges effectively.

What is the difference between Testing Assistant vs Testing Technician?

AspectTesting AssistantTesting Technician
CredentialsHigh school diploma or equivalent; certifications optionalHigh school diploma; technical certifications often preferred
Work EnvironmentLaboratory, educational, or research settingsLaboratories, manufacturing plants, quality control facilities
Job ResponsibilitiesAssisting with testing procedures, preparing samples, recording dataConducting tests, troubleshooting equipment, analyzing results
Industry UsageCommon in education, research, and entry-level testing rolesMore technical, used in manufacturing, quality assurance, and labs

The main difference between a Testing Assistant and a Testing Technician lies in their responsibilities and required skills. Testing Assistants typically support testing processes and handle preparatory tasks, while Testing Technicians perform more complex testing and analysis. Both roles are essential in laboratory and quality environments, but Testing Technicians usually require more technical training and experience.

What does a testing assistant do?

A testing assistant supports the testing process by preparing test environments, executing test cases, recording results, and reporting defects. They often work under the supervision of testers or quality assurance teams and may use testing tools or software to ensure products meet quality standards. Attention to detail and basic knowledge of testing procedures are important for this role.

What are the most commonly searched types of Testing jobs in Toronto, ON?

The most popular types of Testing jobs in Toronto, ON are:

What are popular job titles related to Testing Assistant jobs in Toronto, ON?

For Testing Assistant jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Testing Assistant jobs in Toronto, ON look for?

The top searched job categories for Testing Assistant jobs in Toronto, ON are:

What cities near Toronto, ON are hiring for Testing Assistant jobs?

Cities near Toronto, ON with the most Testing Assistant job openings:

Testing Assistant jobs near you
Infographic showing various Testing Assistant job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 3% Contract, and 1% Nights. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $37,384 per year, or $18 per hour.

Holter Technician Assistant

Mississauga, ON • On-site

One Heart Care
See more jobs at One Heart Careexternal

Full-time

Posted 29 days ago

Key responsibilities

  • Attach, test, and initialize Holter monitors or ambulatory cardiac devices on patients.

  • Instruct patients on diary keeping, symptom logging, and device care during monitoring periods.

  • Maintain and troubleshoot monitoring hardware and accessories, and document equipment return.

Job description

Holter Technician Assistant 

We are expanding! Come join our team. 

One Heart Care is a leading state of-the-art cardiology clinic and one of the largest in Canada. We offer a wide range of cardiac diagnostic testing and comprehensive consultations - we are a place where patients can be seen by the right specialists, at the right time, with the right testing, all available under one roof.  

If you’re ready to be part of a team that is revolutionizing the future of healthcare, then you will want to join our state-of-the-art clinic, where the possibilities for innovation, new discovery and system thinking are limitless. At One Heart Care we value, collaboration, trust, empathy and accessibility, and are guided by these values in everything we do. This has enhanced our ability to attract the best talent and provide exceptional patient experience. 

We are growing and with 100+ team members we are seeking Holter Technician Assistants to attach portable heart monitors to patients, teach them how to record data during normal daily life, and ensure the equipment functions properly to provide outstanding cardiac care for our community and beyond. 

Responsibilities:  

  • Patient Preparation: Greet patients, verify identity, and explain the testing process clearly. 
  • Electrode Placement: Clean skin sites and place ECG electrodes accurately on the patient's chest for optimal tracing quality. 
  • Device Hookup: Attach, test, and initialize the Holter monitor or ambulatory cardiac device. 
  • Patient Education: Instruct patients on diary keeping, symptom logging, and device care during the 24, 48, 72-hour, 7 or 14 day monitoring window. 
  • Equipment Maintenance: Clean, disinfect, troubleshoot, and maintain monitoring hardware and accessories. Document return of monitors upon return. 
  • Perform other duties as assigned. 

Qualifications 

  • High school diploma plus completion of a medical assistant or ECG training program an asset 
  • Basic understanding of cardiac anatomy, physiology, and elementary ECG/arrhythmia interpretation 
  • Ability to use EMR proficiently 
  • Ability to follow emergency protocols 
  • Excellent communication skills when interacting with patients and physicians 
  • Knowledge of patient confidentiality guidelines 
  • Strong problem-solving skills and ability to troubleshoot issues with equipment or procedures 
  • Ability to work effectively as part of the Holter team and collaboratively with One Heart Care employees 
  • Strong attention to detail and commitment to accuracy 
  • Adherence to PHIPA (Personal Health Information Protection Act) 
  • Committed to the mission and vision of One Heart Care 

How to Apply: 

If you think you have the skills and experience to succeed as our Holter Technician Assistant, we encourage you to apply by clicking here from our website. Please include a covering letter highlighting your interest along with your resume. 

One Heart Care is committed to fostering a culture of diversity, equity and inclusiveness that reflects the diverse community we serve. We welcome and encourage applications from those who may contribute to further diversification of ideas. 

We thank all candidates for applying; however, only those selected for an interview will be contacted. 

What Are the Benefits of Working with Us? 

  • On-site parking  
  • Health Care Benefit Package 
  • GRSP Contribution 
  • Brand new diagnostic equipment  
  • Collaboration with 35 + Cardiologists  
  • Supportive learning environment 
  • Growth Opportunities 
  • A commitment to employee safety