Plant Assistant Jobs in Ontario

• Plant Operator Assistant

  Amrize

  • Dundas, ON

  Join Amrize as a Plant Operator Assistant and help construct what's next. If you're ready to put your skills to work on projects that matter - and build a career with a company tha…

• Assistant Plant Manager

  Airgas

  • Maitland, ON

  R10089024 Assistant Plant Manager (Open) Location: Maitland, ON (N2O) (I) - N2O primary production How will you CONTRIBUTE and GROW? We are committed to building a diverse an…

• Assistant Plant Manager

  Amrize

  • Sault Ste Marie, ON

  • $70,000-90,000 per year

  Join Amrize as a Assistant Plant Manager and help construct what's next. If you're ready to put your skills to work on projects that matter - and build a career with a company that…

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  • Assistant Plant Manager Jobs in Sault Ste Marie, ON
  • Jobs in Sault Ste Marie, ON

• Power Plant Supervisor & Assistant Chief Engineer - Plant Operations & Maintenance - Regular Full-Time 2026

  Sunnybrook Health Sciences Centre

  • Toronto, ON

  Job Summary and Qualifications: Job Summary and Qualifications: Summary Of Duties Supervision and scheduling of HVAC and Power Plant staff. Operates and maintains boilers, c…

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  • Power Plant Maintenance Supervisor Jobs in Toronto, ON
  • Jobs in Toronto, ON

• Grain Plant Operator - Seasonal

  Cargill

  • Sarnia, ON

  • $24.00 per hour

  Cargill is committed to providing food and agricultural solutions to nourish the world in a safe, responsible, and sustainable way. Sitting at the heart of the supply chain, we par…

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  • Seasonal Operator Jobs in Sarnia, ON
  • Jobs in Sarnia, ON

• Assistant Controller - Manufacturing

  Johnson Electric

  • Ancaster, ON

  • $98,000-127,000 per year

  Join Our Team as Senior Financial Analyst at Johnson Electric! Location: Ancaster, Ontario (onsite) Schedule: Full-time Travel: Minimal Salary: 98,000-127,000 CAN D.O.E. As…

• Sausage Kitchen Assistant (Full- Time)

  Denninger's

  • Hamilton, ON

  • $18.00-21.00 per hour

  R. Denninger Limited is one of the finest food companies in the world. For more than 70 years, quality has been the founding criteria of our company. Denninger’s has four retail lo…

• Administrative Assistant

  Autoliv

  • Chatham-Kent, ON

  • $65,000-70,000 per year

  Administrative Assistant The Administrative Assistant is responsible for providing direct support to the Technical Support & Plant Manager with activities in the facility operati…

• Resident Engagement Assistant

  Sienna Living

  • Stittsville, ON

  Description : Resident Engagement Assistant (Full-time | 65 hours bi-weekly) Aspira Hazeldean Gardens Retirement Living Rate of Pay: $21.36 - $22.70 This posting is for a new …

• Resident Engagement Assistant

  Sienna Living

  • Kawartha Lakes, ON

  Description : Casual Resident Engagement Assistant Aspira Kawartha Lakes Retirement Living Rate of Pay: $17.83 This posting is for a new position. Need to have a flexible…

• Assistant Operations Supervisor (nights)

  Inovata Foods

  • Tillsonburg, ON

  Inovata Foods isn't your average Food Manufacturing company. We offer the stability of a large company with the feel of a small family business. We have the privilege of partnering…

• Executive Administrative Assistant

  Solenis

  • Mississauga, ON

  • $54,080 per year

  Solenis is a leading global producer of specialty chemicals focused on delivering sustainable solutions for water-intensive industries, including consumer, industrial, institutiona…

• Administrative Assistant (Contract)

  Stellantis

  • Windsor, ON

  • $28.00-35.00 per hour

  The Administrative Assistant (Contract) will provide full time administrative support to the Plant Manager in a very fast-paced, highly confidential manufacturing environment. She …

• R&D Assistant (Food Science)

  New School Foods

  • Toronto, ON

  ABOUT US: At New School Foods, our mission is to accelerate the transition to a sustainable food system. Using our proprietary and purpose-built production technologies, we are c…

• Assistant Store Manager

  Canna Cabana

  • Bracebridge, ON

  Overview: Our retail Assistant Store Manager (ASM) is vital to delivering a distinctive shopping experience. The ASM is primarily responsible for working collaboratively with the…

• Assistant Store Manager

  Canna Cabana

  • Hamilton, ON

  Overview: Our retail Assistant Store Manager (ASM) is vital to delivering a distinctive shopping experience. The ASM is primarily responsible for working collaboratively with the…

• Assistant Controller

  Collins Recruitment Group

  • Toronto, ON

  Posted: April 8, 2026 Our client, is a global manufacturing company who is located in Michigan, U. S. Position Responsibilities: Oversees the financial functions at the plant…

• Assistant General Manager

  TalentSphere

  • Scarborough, ON

  • $90,000-115,000 per year

  Assistant General Manager, Operations Scarborough, ON Manufacturing Competitive salary $90,000-$115,0000 based on experience with strong bonus, benefits Our client, a well-…

• Assistant Store Manager

  Canna Cabana

  • Sudbury, ON

  Overview: Our retail Assistant Store Manager (ASM) is vital to delivering a distinctive shopping experience. The ASM is primarily responsible for working collaboratively with the…

• Engineering Welding Assistant Manager

  Halliwell Consulting

  • Simcoe, ON

  Overview Our client is searching for an Assistant Manager for their Welding Engineering department. If you are looking to join a growing and dynamic team in a world class manufac…

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  • Engineering Assistant Jobs in Simcoe, ON
  • Jobs in Simcoe, ON

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