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Added 11 mins ago
MR
Laboratory Maintenance & Reliability Technician
Mara Renewables Corp
Dartmouth, NS
- Full-time
Direct experience maintaining and troubleshooting laboratory equipment, including lab or pilot fermenters, centrifuges, filtration systems, and analytical equipment.
Added 11 mins ago
P
Lab Data Entry Clerk
P&H
Winnipeg, MB
- Full-time
As Lab Data Entry Clerk, the successful candidate will be responsible for assisting with the accurate documentation of various test results on the quality and condition of grain samples for…
Added 11 mins ago
S
Field Data Coordinator
Semex
Guelph, ON
- Full-time
…of our company. From the salesperson at the farm gate to the lab technician, everyone works purposefully and meaningfully. We’re not afraid of hard work, hold each other accountable, and…
Added 51 mins ago
NE
Electronics technician
NOVA EV ELECTRONIC LAB
Markham, ON
- $21 to $25 CAD / hour
- Full-time
- Part-time
- Contract
- On-site
Added 56 mins ago
JI
Lab Technician
J.D. Irving, Limited
Utopia, NB
- Full-time
Follow SOP’s, equipment and technical procedures to perform lab and industrial testing
Added 1 hour ago
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Lab Technician
Mativ
Renfrew, ON
- Full-time
Reporting to the Quality Manager, the Lab Technician is responsible for inspection and testing of materials or products per specified work instructions and test plans. Test results are…
Added 1 hour ago
S
Laboratory Technician - Geochemistry
SGS
Lakefield, ON · Selwyn, Ontario
- Full-time
Good hand/eye coordination when handling samples & lab equipment
Added 1 hour ago
CT
Lab Technician - Contract
Croptimistic Technology Inc.
SK
- Full-time
The Lab Technician is responsible for basic laboratory operations and ensuring a high quality of service and accuracy. Croptimistic’s soil lab plays a key role in supporting our precision…
Added 1 hour ago
S
Laboratory Technician - Geochemistry
SGS
Smith-Ennismore-Lakefield, ON · Selwyn, ON
- $20.5 CAD / hour
- Full-time
Good hand/eye coordination when handling samples & lab equipment
Added 1 hour ago
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Lab Patient Technician - Temporary - Part Time Regular - Toronto, ON
LifeLabs
Toronto, ON
- Part-time
As a Lab Patient Technician you will be responsible for the specimen collection process, from greeting patients through to preparation of specimens for transportation. This is an important…
Added 2 hours ago
Laboratory Technician (Permanent)
Orano
SK · McClean Lake, Saskatchewan
…Environmental assays, support equipment maintenance, and support safe lab operations. Reporting to the Laboratory Supervisor, you will play a key role in ensuring smooth lab operations. We…
Added 2 hours ago
AI
Data Center IT Infrastructure Technician
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Markham, ON
- Full-time
Lab Admin / Data Center Admin – Linux, Server & Hardware
Added 2 hours ago
QW
Datacenter Technician
Quantum World Technologies Inc.
Markham, ON
- Contract
5–8 years of experience in Data Center Operations / Lab Administration.
Added 2 hours ago
P
Junior Desktop Technician- Co-op
Planitar
Waterloo, ON
- Temporary
Any prior help desk, retail tech support, campus IT or personal-project experience, including a home lab or PC builds.
Added 3 hours ago
SM
Lab Technician, Contract
SWAT MAPS
Saskatoon, SK
- Full-time
The Lab Technician is responsible for basic laboratory operations and ensuring a high quality of service and accuracy. Croptimistic’s soil lab plays a key role in supporting our precision…
Added 3 hours ago
PI
Junior Desktop Technician- Co-op
Planitar Inc.
Waterloo, ON
- $18 to $23 CAD / hour
- Full-time
Any prior help desk, retail tech support, campus IT or personal-project experience, including a home lab or PC builds.
Added 4 hours ago
P
Lab Technician Assistant
P&H
Winnipeg, MB
- Full-time
As Lab Technician Assistant, the successful candidate will be responsible for assisting with the various tests and procedures required to accurately grade the quality and condition of grain…
Added 4 hours ago
GI
Quality Control Technician
Green Infrastructure Partners
Caledon, ON · Mississauga, ON · Perdue Court, Caledon, ON
- Full-time
Reporting to the Quality Control Manager, the Quality Control Technician is responsible for supporting and driving the accuracy of material testing and field data collection. This role…
Added 4 hours ago
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Compost Quality Technician
Walker
Arthur, ON
- Full-time
Are you passionate about environmental science and sustainability? Do you enjoy hands-on lab work and contributing to a cleaner, greener planet? Join our team as a Compost Quality…
Added 4 hours ago
GI
Quality Control Technician
Green Infrastructure Partners
Kingston, ON · Gardiners Rd, Kingston, ON
- Full-time
Reporting to the Quality Control Manager, the Quality Control Technician is responsible for supporting and driving the accuracy of material testing and field data collection. This role…
Added 4 hours ago
V
Instrument Operator Technician (6 Month Contract)
VitalBio
Oakville, ON
- Full-time
Technical Proficiency: Hands-on experience with sensors, actuators, or fluidic systems. Familiarity with lab equipment and electromechanical assembly.
Added 9 hours ago
LC
Chemistry Lab Technician RPT
Lambton College
Sarnia, ON
- Internship
Modifies standard lab tests as per instruction
Added 10 hours ago
S
InHouse Technician
Siegwerk
Mississauga, ON
- Full-time
The InHouse Technician performs a broad range of basic technical and administrative duties within a variety of customer plants pertaining to daily ink room activities and operation;…
Added 14 hours ago
RD
Trainee Dental Laboratory Technician
Resonance Dental Studio
Charlottetown, PE
- Full-time
Resonance Dental Studio is looking for a Trainee Dental Technician for our busy Dental Lab in Charlottetown. Candidate would need to be punctual and reliable, have good hand eye…
Added 14 hours ago
LC
Testing Technician
LabTest Certification Inc.
Delta, BC
- $50,000 to $60,000 CAD / year
- Full-time
A well-established company with 20+ years in the TIC industry and locations worldwide is looking for a Testing Technician to join our team.

Walker

Compost Quality Technician

Arthur, ON, Canada

The salary range for this role is $58-62K annually. · Full-time

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Job details

Pay: The salary range for this role is $58-62K annually.
Job type: Full-time
Experience: 1-3 years’ experience in field work and/or production setting and/or operation of a process manufacturing facility, or equivalent combination of education and experience.
Posting language: English
Posted: Oct 8, 2026

Original job description

Working at Walker

At Walker, your contribution matters. Become part of a team you can count on and where your health and safety are our priority. Our team of more than 1200 people work in environmental waste management and recovery, renewable energy, paving and construction, aggregates, and emulsions chemistries. We are a fifth-generation, family-owned company founded in 1887, operating from our base in the Niagara Region with facilities across Canada and the United States. We care about the environment, each other, and our neighbours, and give back to our communities. Join us on our journey to build a sustainable future, together.

About the Job

Are you passionate about environmental science and sustainability? Do you enjoy hands-on lab work and contributing to a cleaner, greener planet? Join our team as a Compost Quality Technician (QA/QC Technician) at our Walker Compost & Packaging Facility in Arthur, ON.

Under the direction of the Quality Assurance & Control Manager for Environmental, you will be responsible for sampling and monitoring to ensure compliance of the composting system while collaborating with operations to make improvements. The role will require outdoor work on an industrial production site as well as in lab analysis and record keeping. The Compost Quality Technician will ensure that all work completed is in compliance with applicable environmental regulations and Environmental Compliance Approvals (ECAs).

The salary range for this role is $58-62K annually.

This position is split approximately 50/50 between outdoor field work and an indoor lab environment. You must be comfortable with working in an outdoor environment throughout the year.

What you will be doing:

Perform tasks in the areas of sample collection/preparation, resampling, physical and chemical analysis.
Laboratory maintenance, entering data from lab reports, ordering/purchasing lab and general supplies.
Support product packaging with quality monitoring and contamination testing.
Test and record physical and chemical properties such as moisture, pH level, temperatures and porosity of both finished products and raw materials
Provide insight into and interpretation of results, collecting data where required and generating data for reports.
Ensure compliance with all regulatory agencies like the Ministry of Environment, and Canadian Food Inspection Agency and company policies/procedures.
Assist in the development and maintenance of Safe Work Procedures.
Maintain legible and detailed records (manual and electronic).

Here’s What You Need:

A university degree or college diploma in Environmental Science, Biology or related field.
1-3 years’ experience in field work and/or production setting and/or operation of a process manufacturing facility, or equivalent combination of education and experience.
Experience in horticultural or greenhouse operations is a bonus!
Must be able to communicate effectively and understand technical manuals and scientific terminology applicable to operation.
Proficient in Microsoft Office and Excel
Strong problem solving skills and the ability to work independently and within a team.
A valid G-Class Driver’s License.
Must be able to lift up to 50 pounds.

What’s in it for you

You become part of a team you can count on
A comprehensive total rewards package and benefits to support your wellbeing
Leaders who support your growth and success
A workplace that provides the best health & safety practices in industry
Give back to your community with two paid volunteer days annually and opportunities to become involved in events

At Walker, your contribution matters. If you share our commitment to giving back to your community and caring about the environment we’d love to hear from you. Our workplaces strive to reflect the diversity of the communities in which we operate. We welcome applications from qualified candidates of all ethnicities, race, religions, gender identities and expression, Indigenous communities, and persons with disabilities.

Apply now to make a difference in a company that’s committed to sustainability, innovation and the environment.

Should you require any accommodation in applying for this role, or throughout the interview process, please let us know when contacted and we will work with you to meet your needs. We thank all applicants for their interest, however, only those selected for further consideration will be contacted.

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More about this job

Responsibilities

The Compost Quality Technician is responsible for performing physical and chemical analysis of compost materials while ensuring compliance with environmental regulations. They will maintain laboratory records, monitor product quality, and collaborate with operations to improve production processes.

Requirements

Candidates must possess a university degree or college diploma in Environmental Science, Biology, or a related field. A valid G-Class Driver’s License and the ability to lift up to 50 pounds are required, along with 1-3 years of relevant experience.

Skills

Environmental science
Laboratory analysis
Quality assurance
Quality control
Sample collection
Data entry
Regulatory compliance
Microsoft Office
Excel
Problem solving
Technical documentation
Horticultural operations
Greenhouse operations
Safe work procedures

Benefits

Health and safety practices
Paid volunteer days
Professional growth opportunities

Visa sponsorship

Not detected in the job text

Keywords

Environmental Science
Biology
Quality Assurance
Quality Control
Composting
Waste Management
Laboratory
Field Work
Regulatory Compliance
ECA
Microsoft Office
Excel
Sustainability
Horticulture
Greenhouse
Data Analysis
Industrial Production
Safety Procedures

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