ZipRecruiter

Log In

1

Assistant Operator Jobs in Whitby, ON (NOW HIRING)

Sotera Health

Operator

Toronto, ON · On-site

Oversees the work of Process Assistant Operators Qualifications * High School Diploma or GED. * Minimum of six (6) months to one (1) year of experience working in a sterilization environment desired.

Sotera Health

Operator

Toronto, ON

Oversees the work of Process Assistant Operators Qualifications * High School Diploma or GED. * Minimum of six (6) months to one (1) year of experience working in a sterilization environment desired.

Cascades

Machine Operator

Scarborough, ON · On-site

CA$28.31/hr

We have multiple openings across our production team, including machine Operator, Assistant and Feeder positions. *Please note: This job is not for the Forklift Operators* What's in it for you  ...

TP-Link

Warehouse Operator

Richmond Hill, ON

... - Assist in the coordination of RMA process - Ensure work environment is always organized and clean - Work in a safer manner by adhering to the established safety standards of the organization ...

TP-Link

Warehouse Operator

Richmond Hill, ON

... - Assist in the coordination of RMA process - Ensure work environment is always organized and clean - Work in a safer manner by adhering to the established safety standards of the organization ...

TP-Link

Warehouse Operator

Richmond Hill, ON

... - Assist in the coordination of RMA process - Ensure work environment is always organized and clean - Work in a safer manner by adhering to the established safety standards of the organization ...

CARLISLE COMPANIES

Operator

Scarborough, ON

You will be accountable for the operation of a variety of machines to assist with meeting daily ... Assists Operators II & III on packaging and end-of-line work, and as needed. * Other duties as ...

Town of Ajax

Arena Operator

Ajax, ON · On-site

CA$35.67 - CA$38.31/hr

Supervises part-time rink attendants and arena operator assistants, including training, work quality inspection, and ongoing supervision. * Provides excellent customer service to all patrons by ...

SinaLite

Digital Operator

Markham, ON · On-site

CA$22 - CA$27/hr

Act as a Secondary Digital Operator to assist in the Digital department when necessarily. * Process handwork assembly according to specifications. * Clean and disinfect workstation. * Operate the ...

SinaLite

Digital Operator

Markham, ON · On-site

CA$22 - CA$27/hr

Act as a Secondary Digital Operator to assist in the Digital department when necessarily. * Process handwork assembly according to specifications. * Clean and disinfect workstation. * Operate the ...

CARLISLE COMPANIES

Forklift Operator

Ajax, ON · On-site

Load trailers securely for outbound shipments and assist with trailer moves as required ... Machine Operating Duties: * Operates machinery of assigned department (lamination, cutting ...

Art Gallery of Ontario

Building Operator 1

Toronto, ON

CA$41K - CA$51K/yr

They also will assist Plant staff & contractors as required. The salary range for this position is $41,113 - $51,415 per annum What is this position responsible for? * Assist Building operators with ...

Hela Spice

Mixer Operator

Uxbridge, ON · On-site

Mixer Operator Location: Uxbridge, Ontario Department: 4000MX Reports To: Plant Manager Position ... Report equipment malfunctions or deviations to supervisors promptly. * Assist with inventory ...

Hela Spice

Mixer Operator

Uxbridge, ON · On-site

Mixer Operator Location: Uxbridge, Ontario Department: 4000MX Reports To: Plant Manager Position ... Report equipment malfunctions or deviations to supervisors promptly. * Assist with inventory ...

next page

Showing results 1-20

All JobsOperator JobsAssistant Operator JobsAssistant Operator Jobs in Whitby, ON

Assistant Operator information

What is an assistant operator?

Assistant Operators are entry-level professionals who support the operation of machinery or equipment in industries such as manufacturing, energy, or logistics. They work under the supervision of senior operators to help monitor processes, perform basic maintenance, and ensure safety protocols are followed. Their responsibilities may include setting up machines, loading materials, inspecting products, and reporting any issues to supervisors. Assistant Operators play a key role in maintaining efficient production and minimizing downtime. This position is often a stepping stone to more advanced operator roles.

What are the key skills and qualifications needed to thrive as an assistant operator, and why are they important?

To thrive as an Assistant Operator, you need a basic understanding of machinery operation, safety protocols, and often a high school diploma or equivalent. Familiarity with industrial equipment, control panels, and sometimes certifications like OSHA safety training are typically required. Attention to detail, reliability, and good teamwork skills help you excel in supporting smooth operations. These skills ensure safe, efficient production processes and help maintain workplace safety and productivity.

What are some common challenges assistant operators face during shift changes, and how can they be managed effectively?

Assistant Operators often encounter challenges during shift changes, such as incomplete handovers or miscommunication about ongoing tasks. To manage these effectively, it’s important to follow standardized handover procedures, maintain accurate and up-to-date logs, and communicate proactively with both outgoing and incoming team members. Building strong teamwork and attention to detail helps ensure a smooth transition and minimizes operational disruptions.

What is the difference between Assistant Operator vs Machine Operator?

AspectAssistant OperatorMachine Operator
CredentialsHigh school diploma, on-the-job trainingHigh school diploma, technical certification often preferred
Work EnvironmentAssists in setup, monitoring, and maintenance of machineryOperates machinery directly, responsible for production output
Industry UsageCommon in manufacturing, construction, and industrial plantsPrimarily in manufacturing, processing, and production facilities

Assistant Operators support Machine Operators by preparing equipment and monitoring processes, while Machine Operators handle the direct operation of machinery. Both roles require similar credentials and are vital in industrial settings, but Machine Operators have more responsibility for operating equipment independently.

Which assistant operator job pays the most?

The highest-paying assistant operator roles are often found in industries such as oil and gas, manufacturing, or power generation, where specialized skills and certifications like OSHA training or technical licenses are required. Salaries can vary based on experience, location, and industry, with some positions offering significantly higher compensation due to the complexity and risk involved.

What cities near Whitby, ON are hiring for Assistant Operator jobs?

Cities near Whitby, ON with the most Assistant Operator job openings:

Assistant Operator jobs near you
Infographic showing various Assistant Operator job openings in Whitby, ON as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 21% Part Time, 1% Temporary, and 3% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution.

Operator

Sotera Health

Toronto, ON • On-site

Full-time

Re-posted 26 days ago

Job description

The name Sotera Health was inspired by Soteria, the Greek goddess of safety, and reflects the Company's unwavering commitment to its mission, Safeguarding Global Health.

Sotera Health Company is a leading global provider of mission-critical sterilization and lab testing and advisory services for the healthcare industry. With a combined tenure across our businesses of nearly 200 years and our industry recognized scientific and technological expertise, we help to ensure the safety of millions of patients and healthcare practitioners around the world every year.

Across our 64 facilities worldwide, we have over 3,000 employees who are dedicated to safety and quality. We are a trusted partner to more than 5,800 customers in over 50 countries, including more than 40 of the top 50 medical device companies and 9 of the top 10 pharmaceutical companies.

Reporting to the Process Supervisor or Manager Operations, the Operator is responsible for monitoring the system which includes observing pressure, temperature and relative humidity measurements on charts or computer monitors. Ensures that product is moved through the facility at the appropriate times.

Responsibilities

  • Monitors system which includes:
    • Observing pressure, temperature and relative humidity measurements on charts or computer monitors.
    • Turning valves and adjusting controls to ensure the safe operation of the equipment.
    • Observing sterilizers and auxiliary units to detect malfunctions and assisting with repairs as needed.
    • Documenting and recording process readings.
    • Reports any damaged product to the Shift Supervisor or Process Supervisor.
    • Reports system problems to the Maintenance Supervisor or Maintenance Technician.
  • Performs some daily and weekly equipment preventative maintenance tasks and may assist Maintenance as required.
  • Stores and removes chemicals used in processing in accordance with established procedures and laws.
  • Participates on plant safety committees and follows all established safety rules and regulations.
  • Assists with other tasks as assigned by Supervisor.
  • SUPERVISION GIVEN: Oversees the work of Process Assistant Operators

Qualifications

  • High School Diploma or GED.
  • Minimum of six (6) months to one (1) year of experience working in a sterilization environment desired.
  • Must be able to read, write and speak fluent English.
  • Must be able to add, subtract, multiply and divide in all units of measure using whole numbers, fractions and decimals.
  • Must be willing to work established shifts.
  • Must be able to lift a minimum of 50 pounds and perform repetitive bending and lifting motions over a period of time.
  • Must have forklift driving experience.
  • Computer skills desired.

Special Requirements

  • Experience with a company using EO sterilization of products is desirable
  • Must be medically approved for respirator use
  • Must be able to tolerate exposure to high temperatures and high humidity (120F and 60% RH for 20 minutes)

Sotera Health goes to market through its three best-in-class businesses - Sterigenics, Nordion and Nelson Labs. Sterigenics is a leading global provider of outsourced terminal sterilization and irradiation services for the medical device, pharmaceutical, food safety and advanced applications markets. Nordion is the leading global provider of Co-60 and gamma irradiators, which are key components to the gamma sterilization process. Nelson Labs is a global leader in outsourced microbiological and analytical chemistry testing and advisory services for the medical device and pharmaceutical industries.

Apply