About Us Greenwood Ready Mix operates three certified concrete plants just north of the GTA in Orangeville, Alliston, and Elora. Rooted in the region since the 1920s, this family‑owned business has combined nearly a century of expertise with up-to-date technology to deliver high‑quality concrete products and exceptional customer service. Its fleet of 37 trucks features industry‑leading systems to ensure consistent quality, reliable service, and on‑time deliveries. In June 2024, Greenwood joined OSCO Concrete and became part of the OSCO Construction Group, uniting two companies with over 70 years of family‑run experience and shared values.
Job Description Greenwood Ready Mix operates three certified concrete plants just north of the GTA in Orangeville, Alliston, and Elora. Rooted in the region since the 1920s, this family‑owned business has combined nearly a century of expertise with contemporary technology to deliver high‑quality concrete products and exceptional customer service. Its fleet of 37 trucks features industry‑leading systems to ensure consistent quality, reliable service, and on‑time deliveries. In June 2024, Greenwood joined OSCO Concrete and became part of the OSCO Construction Group, uniting two companies with over 70 years of family‑run experience and shared values.
Job Summary The Quality Engineer will create, optimize and monitor concrete mix designs for a variety of ready‑mix products. This position is responsible for working collaboratively to guide and support various operational departments within all Ready‑Mix locations throughout Ontario. The Quality Engineer is responsible to ensure common, consistent quality control procedures across our ready‑mix plants, as well as to assist in reinforcing a culture where quality is a primary focus.



The ideal candidate must be a problem solver with hands‑on leadership skills who thrives in a fast‑paced multi‑project environment.
Responsibilities Manage the concrete laboratory and perform daily testing to support production and ensure compliance with mix designs and project specifications
Design, monitor, troubleshoot, and optimize concrete mixes for ready‑mix plants across Ontario
Assess material suppliers for product performance and standards compliance.
Review pre‑bid technical specifications and prepare compliant submittal packages.
Collaborate with suppliers and industry associations to identify new technologies, alternative methods, and continuous improvement opportunities.
Travel throughout Ontario, as required, to provide supervision, support, and training to internal teams and external customers.
Manage and improve the Quality Program in accordance with CSA and industry standards.
Troubleshoot quality issues and develop repair procedures that ensure customer satisfaction.
Modify or implement procedures which maintain high product quality
Additional duties as assigned
Technical Requirements Bachelor of Engineering degree with a focus in civil, or a similar discipline COMBINE WITH
Professional Engineering designation or an Engineer in Training with P.Eng eligibility
Academic or industry exposure to concrete mix design / materials engineering
Prior experience in a quality control / quality assurance environment with a focus on concrete




Supervisory experience in the concrete industry would be considered an asset
Knowledge of CSA, ASTM and relevant provincial transportation standards and specifications
Obtain and maintain relevant concrete testing certifications (ACI, CCIL, PCI, etc.) as needed based on project/business requirements
Business Requirements Strong critical thinking and problem‑solving skills
Desire to work well in a fast‑paced, deadline‑driven, and customer‑focused environment
Willingness to travel between plants as well as to project construction sites as required
Must be adaptable to overtime where required to meet project / production deadlines
Strong communication and interpersonal skills with individuals of diverse backgrounds & disciplines, including various levels of management
This posting represents a current vacancy. We are actively seeking qualified candidates to fill this role.
Salary range: $70,000.00 - $90,000.00
As a member of the OSCO Construction Group, Greenwood Ready Mix offers a comprehensive compensation package including health and dental coverage, life insurance and RRSP matching program. Additionally, we offer educational scholarships to children of employees, an employee family assistance program, celebratory events and years of service rewards.
About OSCO The origins of the OSCO Construction Group go back to 1955 when Ocean Steel & Construction Ltd. was founded in Saint John, New Brunswick. Since that time, the OSCO Construction Group has grown to encompass four main operating sectors: Steel, Concrete, Construction and Corporate. Within these sectors lie an ever‑expanding number of companies and divisions, serving a growing market area and employing over twelve hundred employees.

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📌 Quality Engineer (Ontario)
🏢 OSCO Construction Group
📍 Ontario