Sarnia On Plant operator Jobs – 8 Openings This Week

Mobile Crushing Operator
KING ROCK AGGREGATES —Ontario
- $30–$35 an hour
- Overtime
- CPR Certification
- English
- First Aid Certification
Quick apply
2d
Grain Plant Operator - Seasonal
Cargill —Sarnia, ON
- From $22.50 an hour
- Overtime
- English
- Forklift
- Computer skills
2d
Field Operator
Air Liquide —Sarnia, ON
- From $55,000 a year
- Overtime
- Engineering
- Bachelor's
- Civil Engineering
Water & Wastewater Operator
Ontario Clean Water Agency —Brights Grove, ON
- $24.88–$38.04 an hour
- Overtime
- Bilingual
- Basic math
- English
1d
Slitter Operator
Carlisle Companies Incorporated —Petrolia, ON
- Overtime
- High school diploma or GED
- In-person
- Manufacturing
- Tuition reimbursement
Quick apply
14d
PTO Technician
SGS —Sarnia, ON
- $26.94 an hour
- Overtime
- High school diploma or GED
- No university degree
- Communication skills
- Paid time off
Quick apply
13d
Plant Operator - Water and Wastewater Facility - (Fly-In/Fly-Out)
Express Employment Professionals —Canada
- $80,000–$100,000 a year
- Weekends as needed
- Analysis skills
- In-person
- AI
- Relocation assistance
Quick apply

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Grain Plant Operator - Seasonal
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Possess a valid Canadian full class 5 driver’s license in good standing, authorizing you to drive independently during your employment.
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2d

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La Rocca Creative Cakes —Richmond Hill, ON
Maintaining healthy, safe and hygienic work practices, ensuring implementation of all policies and procedures and compliance of all relevant legislation.
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Machine Operator
Atlas Packaging —Toronto, ON
Have a basic mechanical understanding. This position is also responsible for basic equipment maintenance, equipment cleaning and to plan ahead for upcoming…
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Mobile Crushing Operator

KING ROCK AGGREGATES
Ontario

Quick apply

Job details

Full-time
$30–$35 an hour
2 days ago

Qualifications

CPR Certification
Excavator
English
First Aid Certification
Loader operation
Class G Licence
Communication skills

Full job description

Job Description: Mobile Crushing Crew Operator

Company: King Rock Aggregates
Location: Southern Ontario (Travel Required)
Employment Type: Full-Time

Position Summary

King Rock Aggregates is seeking an experienced and motivated Mobile Crushing Crew Operator to join our growing mobile crushing and screening team. This position is responsible for the safe and efficient operation of crushing equipment and heavy machinery at various customer sites throughout Southern Ontario.

The successful candidate will have previous experience in aggregate crushing operations, be committed to workplace safety, and be willing to travel extensively to support our mobile operations.

Key Responsibilities

Operate and monitor mobile crushing and screening equipment safely and efficiently.
Operate large wheel loaders and excavators to feed crushers and manage stockpiles.
Perform daily equipment inspections, preventative maintenance, and routine servicing.
Monitor material quality and production to meet customer specifications.
Assist with crushing plant setup, relocation, and teardown.
Troubleshoot minor mechanical issues and report equipment deficiencies.
Follow all company safety policies, procedures, and regulatory requirements.
Maintain a clean, organized, and safe worksite.
Work effectively with supervisors, mechanics, truck drivers, and fellow crew members.
Complete required inspection reports, maintenance logs, and production documentation.
Represent King Rock Aggregates professionally while working at customer locations.

Qualifications

Minimum 2 years of experience working in a crushing or aggregate production environment.
Experience operating large wheel loaders and hydraulic excavators.
Strong understanding of crushing plant operations and material processing.
Ability to identify equipment issues and perform basic maintenance.
Valid Class G driver's licence with reliable transportation.
Ability to work independently and as part of a team.
Strong communication and problem-solving skills.

Preferred Qualifications

Ontario Surface Miner Common Core Training (or willingness to obtain) is considered a strong asset.
Additional heavy equipment certifications are considered an asset.
First Aid/CPR certification is an asset.

Travel Requirements

Willingness to travel approximately 60–80% throughout Southern Ontario.
Overnight travel will be required based on project locations.
Company-provided travel accommodations.
Daily per diem provided while working away from home.

Compensation & Schedule

Base wage: $30.00–$35.00 per hour, based on experience and qualifications.
Typical work schedule of 40–50 hours per week.
Overtime opportunities available based on project requirements.
Company-paid accommodations and per diem for travel assignments.

Physical Requirements

The successful candidate must be able to:

Work outdoors in varying weather conditions.
Lift up to 50 lbs when required.
Climb ladders and access heavy equipment safely.
Stand, walk, bend, and perform physical labour throughout the workday.
Work in dusty, noisy, and uneven terrain while maintaining safe work practices.

Safety Expectations

At King Rock Aggregates, safety is our highest priority. Employees are expected to:

Follow all Occupational Health and Safety Act (OHSA) requirements.
Wear required personal protective equipment (PPE) at all times.
Participate in safety meetings and toolbox talks.
Report hazards, incidents, and near misses immediately.
Conduct daily equipment inspections before operation.
Stop work whenever unsafe conditions exist.

Why Join King Rock Aggregates?

King Rock Aggregates offers an opportunity to work with modern mobile crushing equipment on diverse projects across Southern Ontario. We value safety, professionalism, teamwork, and continuous improvement while providing competitive compensation, travel support, and opportunities for career growth.

King Rock Aggregates is an equal opportunity employer. We thank all applicants for their interest; however, only those selected for an interview will be contacted.

Pay: $30.00-$35.00 per hour

Ability to commute/relocate:

Ontario: reliably commute or plan to relocate before starting work (required)

Language:

English (required)

Willingness to travel:

75% (required)

Work Location: In person

Quick apply

Refine Your Search

plant operator jobs in sarnia on

Mobile Crushing Operator

Grain Plant Operator - Seasonal

Field Operator

Water & Wastewater Operator

Slitter Operator

PTO Technician

Plant Operator - Water and Wastewater Facility - (Fly-In/Fly-Out)

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