st. catharines, on technologist (full time) Jobs – 32 Openings This Week

Mechanical Technician/Technologist- Machinist
Ontario Power Generation —Niagara Falls, ON
- $42.82–$66.22 an hour
- Full-time
- Schematics
- Engineering
- High school diploma or GED
4d
Ultrasound Technologist - Sonographer
Confidential —St. Catharines, ON
- $38–$45 an hour
- Part-time
- Azure
- Organizational skills
- In-person
- Dental care
- Life insurance
Quick apply
Ultrasound Technologist
Diagnostic Imaging —St. Catharines, ON
- $38–$42 an hour
- Part-time
- CPR Certification
- Medical office experience
- Organizational skills
- Dental care
- Paid time off
Quick apply
2d
Manufacturing & Design Technologist
Central Fabricating & Welding —Beamsville, ON
- $28–$32 an hour
- 8 hour shift
- AutoCAD
- Microsoft Excel
- CAD
- Disability insurance
- Dental care
Quick apply
Medical Radiation Technologist
Dispatch Staffing —Ontario
- Part-time
- CPR Certification
- Management
- BLS Certification
- Mileage reimbursement
Quick apply
5d
Travel Medical Laboratory Technologist - Rural
Magnus HRS —Ontario
- $70–$80 an hour
- Full-time
- CPR Certification
- BLS Certification
- Mileage reimbursement
Quick apply
6d
Nuclear Medicine Technologist
KMH Cardiology Centres Inc. —St. Catharines, ON
- $45–$55 an hour
- Full-time
- Microsoft Word
- CPR Certification
- Medicine
- Store discount
- Wellness program
Quick apply
11d
Diagnostic Imaging Technologist: Ultrasound, MRI, X-ray, CT & Nuclear Med (200+ Ontario Locations)
Human Integrity HR —Ontario
- $40–$65 an hour
- Temporary
- Human resources
- In-person
- Communication skills
Quick apply
Echo Technologist – Cardiac Imaging (Northern Ontario)
SpeedStaff Medical —Ontario
- Up to $100 an hour
- Immediate opening
- BLS Certification
- Analysis skills
- Bachelor's
- Mileage reimbursement
- Commuter benefits
Quick apply
5d
Nuclear Medicine Technologist
MPA Recruitment Canada Ltd —Ontario
- Up to $55 an hour
- Part-time
- Quality Control
- In-person
- Communication skills
- Relocation assistance
- Dental care
Quick apply
MRI Technologist / CT Technologist - Multiple Brand New Locations!
Human Integrity HR —Ontario
- $45–$60 an hour
- Part-time
- Human resources
Quick apply
Electronic-Optronic Technician
Canadian Armed Forces —Ontario
- $4,337–$6,413 a month
- Full-time
- Dental care
- Paid time off
Mammography Technologist (Mammographer) – $38–$48/hr | Ontario Clinics
Human Integrity HR —Ontario
- $38–$48 an hour
- Part-time
Quick apply
12d
Signal Technician
Canadian Armed Forces —Ontario
- $4,337–$6,413 a month
- Part-time
- No experience needed
- Dental care
- Paid time off
Aerospace Telecommunications and Information Systems Technician
Canadian Armed Forces —Ontario
- $4,337–$6,413 a month
- Part-time
- Bachelor's
- Dental care
- Paid time off
CT Technologist – $42–$58/hr | New Grads Welcome!
Human Integrity HR —Ontario
- $42–$58 an hour
- Part-time
Quick apply
12d
Nuclear Medicine Technologist – $42–$60/hr | Ontario
Human Integrity HR —Ontario
- $42–$60 an hour
- Part-time
- Human resources
- Flexible schedule
Quick apply
12d
Product Development/Research & Development Technologist
Andrew Peller Limited —St. Catharines, ON
- $55,000–$65,000 a year
- Full-time
- Microsoft Excel
- Microsoft Access
- Oracle
Quick apply
12d
Intermediate Architectural Technologist
ACK Architects Studio Inc. —St. Catharines, ON
- Full-time
- AutoCAD
- Microsoft Office
- Organizational skills
Quick apply
11d
Development Engineering Technologist
City of St. Catharines —St. Catharines, ON
- $85,940–$96,569 a year
- Temporary
- Hybrid work
- Civil engineering
- Word processing
- Databases
- Dental care
- Vision care

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Mechanical Technician/Technologist- Machinist

Ontario Power Generation -
Niagara Falls, ON

Apply Now

Job details

Full-time
$42.82–$66.22 an hour
4 days ago

Qualifications

Red Seal
Schematics
Engineering
Mechanical Engineering
Serving It Right
Calipers
High school diploma or GED
Machining
Rigging
Crane
College diploma
CNC

Full job description

Location: Niagara Falls, ON, CA, L0S 1J0

Req ID: 56696

Status: Regular Full Time

Working Conditions: On-site

Education Level: Grade 12 (or equivalent) plus a related two-year college diploma, and either 8,000 hours of apprenticeship or Red Seal certification.

Base Location: Niagara, ON

Shift: Days

Travel: 10%

Deadline to Apply: June 16, 2026

Salary Range: $42.82 - $66.22 Per Hour

Electrify your career and help build a brighter tomorrow.

Every generation has a challenge that defines them. At OPG, we are calling on all innovators, disruptors, thought leaders and change-makers. Join us as we work to electrify life in one generation and build a sustainable future powered by our electricity, our ideas, and our people. Join OPG and make history.

Whether you work in the skilled trades or are a business professional, a career at OPG is an opportunity to electrify your life on - and off - the job.

JOB OVERVIEW

Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Millwright / Machinist at our Maintenance /Repair Machine Shop located at the Sir Adam Beck Generating Station in Niagara Falls, ON

Reporting to the Machine Shop Mechanical Supervisor, this position is responsible for performing precision machining, including in-situ machining, and mechanical maintenance activities such as equipment troubleshooting, repair, and fabrication to support safe and reliable plant operations.

KEY ACCOUNTABILITIES

Utilize Boring Mill, Mill, Lathe, Vertical Lathe, Radial Arm Drill, Surface Grinder, Line Boring Machine and CNC Mill and Lathes to fabricate and manufacture parts and equipment such as; pins, bushings, shafts, wheels, guide and thrust bearings.
Prepare mechanical and civil design sketches, drawings, and bills of material.

Support project teams during unit refurbishment and major maintenance activities, including custom machining and fitting.
Interpret technical drawings, specifications, and schematics to execute work accurately and efficiently.
Collaborate with weld shop personnel and other trades and groups to deliver integrated repair and fabrication solutions.
Perform precision machining activities, including in-situ machining, to support maintenance, repair, and refurbishment work.
Diagnose, troubleshoot, and repair mechanical equipment and components to maintain safe and reliable operations.
Fabricate, modify, and repair components from engineered drawings or replicate existing parts where drawings are not available.

Inspect work performed by outside contractors to ensure product specifications and quality, occasionally offsite.
Accountable for the health, safety and wellbeing of self and others, as per established technical/ operating procedures and standards, and includes the development of technical/operating solutions to problems.

QUALIFICATIONS

Grade 12 or equivalent, and two year college diploma in a related field of study*.

Completion of a Machinist, or Tool and Die, apprenticeship or a minimum of 5 years experience as a Machinist (or similar trade)
Advanced knowledge in Machining skills – precision machining using manual lathes, radial drill presses, mills, grinders, etc. (in-situ machining and/or CNC experience would be an asset.)

Experience in using and maintaining precision measuring equipment such as; outside/inside Micrometers, Vernier Calipers, Test Indicators, Height Gauges, etc.
Experience in rigging and operating overhead cranes for transporting equipment and materials
Strong ability to interpret engineering drawings and specifications, with proven troubleshooting, fabrication, and reverse engineering capabilities.
Experience in confined space, working near water and working at heights

Relevant field of education includes: Mechanical Engineering Technician/Technologist, Industrial Mechanic Millwright, Electromechanical Engineering Technology, Manufacturing Engineering Technology.

The successful candidate will exhibit uncompromising integrity and commitment to upholding corporate values, and the OPG Code of Business Conduct.

OPG is committed to fostering an inclusive, equitable, and accessible environment. If you require accommodation during the selection process, please contact [email protected]

What makes a career at OPG different?

With operations across Ontario and the United States, OPG is one of the most diverse power producers in North America. As the largest generator in Ontario, we meet approximately 50% of the province’s electricity needs, largely from low-carbon sources like nuclear and hydro.

As we work to achieve our vision of Electrifying life in one generation, OPG and our family of companies are also helping advance the development of new low-carbon technologies such as Small Modular Reactors (SMRs), refurbishment projects, and electrification initiatives to help power the growing demands of a growing economy. Join OPG and make history.

Please submit your application online at https://jobs.opg.com/. OPG thanks all those who apply; however, only candidates considered for an interview will be contacted.

#LI-Onsite

Please note: All job postings at OPG are to fill existing vacancies within our organization.

OPG may use artificial intelligence (AI) tools as part of the applicant screening process. However, applications will also be reviewed by a member of our Recruitment team to ensure a fair and thorough assessment.

The base salary range considers many factors including, but not limited to experience, education, and training, including any collective agreement requirements for union represented positions. It is not typical for the salary to be offered near the top of the range, and salary is dependent on numerous factors. For management roles, the base salary range does not represent the total compensation package. The total compensation package for regular full-time management roles includes pay-for-performance programs for annual and medium time periods. Maintaining a high-performance culture and excellence is a core expectation of every member of our leadership team and is rewarded through the established compensation framework.

OPG is committed to employment equity. As such, we encourage applicants from equity-seeking communities (Indigenous Peoples, racialized persons, persons with disabilities, and women). We strongly believe that alleviating the under-representation of equity-seeking individuals will create a stronger OPG team and allow us to better serve the needs of our diverse communities.

In order to fulfill the above-mentioned purpose, priority in hiring may be given to qualified persons who self-identify as a member of equity-seeking groups as identified in the application process. This initiative constitutes a special program under the Human Rights Code/Canadian Human Rights Act.

Apply Now

Refine Your Search

technologist (full time) jobs in st. catharines, on

Mechanical Technician/Technologist- Machinist

Ultrasound Technologist - Sonographer

Ultrasound Technologist

Manufacturing & Design Technologist

Medical Radiation Technologist

Travel Medical Laboratory Technologist - Rural

Nuclear Medicine Technologist

Diagnostic Imaging Technologist: Ultrasound, MRI, X-ray, CT & Nuclear Med (200+ Ontario Locations)

Echo Technologist – Cardiac Imaging (Northern Ontario)

Nuclear Medicine Technologist

MRI Technologist / CT Technologist - Multiple Brand New Locations!

Electronic-Optronic Technician

Mammography Technologist (Mammographer) – $38–$48/hr | Ontario Clinics

Signal Technician

Aerospace Telecommunications and Information Systems Technician

CT Technologist – $42–$58/hr | New Grads Welcome!

Nuclear Medicine Technologist – $42–$60/hr | Ontario

Product Development/Research & Development Technologist

Intermediate Architectural Technologist

Development Engineering Technologist

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