Job Title: Validation Engineer

Company: Green Tank Technologies Corp. (“Greentank”)

Location: Toronto, ON (Liberty Village)

Reporting to: Director of Testing

About us

Greentank is a technology company specializing in advanced atomization and material science. Focused on innovation, it is redefining vaporization with proprietary heating technology designed to enhance performance, consistency, and safety.

With a strong intellectual property portfolio and dedicated manufacturing capabilities, Greentank ensures high-quality production and scalability. Led by an experienced management team and a skilled workforce, the company remains committed to technological advancement and industry leadership.

As Greentank enters 2026, it is focused on product innovation, market expansion, and operational excellence. Through strategic growth initiatives, it is well-positioned for long-term success across multiple industries.

Our Culture

At our core, we are a company that values innovation, collaboration, excellence, integrity, diversity & inclusion, and accountability. Our high-performing and passionate culture is built on these pillars, shaping how we work, interact, and grow together. We foster an environment where our team members are encouraged to think creatively, challenge norms, and contribute meaningfully. Through transparency, recognition, and open communication, we create a workplace where everyone feels valued and inspired.

Role Summary
We’re seeking a Validation Engineer to join our team of product experts. The Validation Engineer will report to Director of Testing and be responsible for development, optimization, and validation of testing methodologies, and compliant laboratory operations.

Key Responsibilities:

Testing Execution & Experimental Design Support

• Develop, refine, and validate scientific test methods for electronic vapor products to ensure accuracy, repeatability, and reproducibility.

• Identify gaps, limitations, and sources of variability in current testing methodologies; propose and implement method improvements.
• Define test parameters, sample sizes, test conditions, and acceptance criteria based on risk assessment, DOE principles, and scientific rationale.
• Assist in structuring fit-for-purpose experimental designs (DoE), ensuring clarity on variables, controls, and success criteria.

Quality Management System (QMS) & Compliance

• Operate within and actively support the development of Greentank’s QMS framework, including:
• SOP adherence and updates
• Deviation tracking and escalation
• CAPA support (Corrective & Preventive Actions)
• Ensure all testing activities meet internal quality standards and are aligned with regulatory expectations (e.g. health Canada).
• Maintain audit-ready documentation and support internal/external audits where required.
• Stay updated on industry standards, regulatory expectations, and emerging scientific approaches related to aerosol science, materials testing, and measurement systems.

Data Management & Analysis

• Ensure all test data is:
• Accurately recorded, structured, and stored in designated systems
• Traceable to specific samples, equipment, and test conditions
• Provide scientific data analysis, calculation, and presentation methods to deliver more accurate and intuitive insights.
• Maintain data logs, test reports, and digital/physical records in accordance with data integrity principles 。
• Support the development and maintenance of centralised data repositories and reporting frameworks.

Laboratory Resource Management

• Manage the full lifecycle of test samples and materials to coordinate sample readiness and availability to meet project timelines.
• Take the main ownership of testing equipment, tools, and jigs sourcing and development.
• Take the main ownership of performing maintenance, calibration and repairs on testing equipment.
• Take the main ownership of handling routine laboratory upkeep and maintenance tasks.
• Create, organize, and maintain the regulation of lab operation and housekeeping.

• Ensure compliance with laboratory health & safety standards, including:
• Safe handling of chemicals and materials
• Proper use of PPE
• Waste disposal procedures
• Support risk assessments (e.g. COSHH-style assessments) and incident reporting.
• Promote a safety-first culture within the lab environment.

Cross-Functional Coordination

• Act as a coordination point between Testing, Engineering, Product, and Quality teams.
• Track project progress against milestones and escalate risks where required.
• Support communication with external testing partners and suppliers where relevant.

• Other duties, as assigned

Formal Education or Equivalent

• Post-secondary education in Engineering, Science, or a related technical field (or equivalent hands-on experience)

Years of Experience

• 3~5 years experience in laboratory, testing, or engineering environments
• Exposure to structured testing, data handling, or quality systems is preferred

Competencies

• Innovative Problem-Solving
• Team Collaboration
• Effective Communication
• Performance Excellence
• Ethical Conduct Enforcement
• Inclusive Attitude
• Personal Accountability
• Results-Driven

Specialized skills, knowledge, or certifications unique to this role

• Understanding of:
• Experimental testing methodologies
• Technical documentation and engineering drawings
• Familiarity with:
• QMS principles (ISO/GMP exposure beneficial)
• 6-sigma
• Data management systems (Excel, databases, LIMS/PLM preferred)
• Strong written and verbal communication skills
• Vape or Cannabis experience is an asset

What Greentank Offers:

🦷 Comprehensive Medical & Dental Benefits – Stay healthy with top-tier coverage.

💳 Health Spending Account – Extra flexibility for your wellness needs.

📈 ESOP Program – Be part of our success with employee ownership opportunities.

🏢 Modern, Custom-Built Workspace – Work in a sleek, innovative office in Liberty Village.

☀️ Summer Hours – Enjoy more sunshine with flexible summer scheduling!

🎉 Amazing Team Culture – Join a fun, forward-thinking team that thrives on innovation!

At Greentank, we believe diversity drives innovation! 🌎✨ We’re proud to be an equal opportunity employer, fostering a safe, inclusive, and supportive workplace where everyone is respected, valued, and empowered to grow. 💡🚀

No matter your background, we welcome you to be part of a team that celebrates diversity, inclusivity, and opportunity for all! ❤️🤝