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 2025, 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

The Senior Technical Project Manager – R&D is responsible for overseeing cross-functional R&D initiatives with a focus on alignment between the company’s headquarters and its execution team based in China. This role will serve as the critical link between the Director of R&D in China and HQ-based teams, ensuring that project goals, scientific testing, and product innovation strategies are consistently aligned and effectively executed. The role includes full life-cycle project management responsibilities, scientific coordination of testing activities (particularly for oil-based substances not permitted in China), and technical communication across global teams.

Role Responsibilities

Project Management & Strategic Alignment

Drives the successful execution of complex R&D projects, ensuring timely delivery of milestones, resource alignment, and adherence to technical specifications.
Acts as the strategic liaison between the R&D Director in China and HQ, aligning research efforts with innovation and product strategy.
Coordinates cross-border collaboration, including occasional travel, managing cultural, time zone, and regulatory nuances to maintain project momentum.
Translates high-level business and product strategies into structured project plans with clear deliverables.
Responsible for providing regular project updates, presentations, milestone reviews, and other project documentation for internal/external teams.
Delivers concise, executive-level reporting that drives strategic decision-making and supports investor-facing updates.

Feasibility & Application of Chip Technology

Collaborates with R&D engineers, firmware teams, and testing specialists to evaluate the feasibility and implementation of our new chip technologies in vape hardware.
Supports the application and optimization of QV chip systems, ensuring compatibility with different device platforms and oil compositions.
Aligns chip-related development with performance expectations, testing feedback, and technical requirements across global teams.
Facilitates the adaptation of chip innovations into viable prototypes and commercial products, working within regulatory and material constraints.
Coordinates with regulatory and legal teams to integrate region-specific compliance requirements into early R&D planning.

Scientific Testing & Validation Support

Coordinates the planning and execution of regulated testing activities that cannot be performed in China, particularly involving nicotine and cannabis-based oils.
Works closely with the in-house chemistry team, test engineers, and external laboratories to ensure accuracy and compliance in all testing efforts.
Integrates lab testing outcomes into the iterative development cycle, ensuring product enhancements are data-driven and compliant.

Cross-Functional Collaboration

Collaborates with product, engineering, regulatory, and manufacturing teams to drive forward the development of advanced vape hardware, including chip and heating technology.
Facilitates technical discussions between disciplines to ensure a unified understanding of product objectives, timelines, and test requirements.

Supports the development of documentation, including technical specifications, project updates, and milestone reviews.
Establishes robust asynchronous communication practices to bridge time zone gaps across China, Canada, the US, and the UK, ensuring continuous progress and minimal bottlenecks.
Translates complex technical and scientific concepts into actionable insights for non-technical stakeholders and executive teams.

Risk Management & Continuous Improvement

Identifies and mitigates potential technical and operational risks throughout the R&D process.
Implements and promotes best practices in project planning, execution, and cross-functional collaboration.
Implements and maintains project management and documentation systems (e.g. PLM tools) to ensure traceability, version control, and global team access.
Contributes to a culture of continuous improvement, fostering innovation and scientific excellence across teams.
Demonstrates strong interpersonal and leadership skills with the ability to influence without authority and resolve cross-functional friction.
Other duties, as assigned

Formal Education or Equivalent

Master’s degree or higher in Molecular Life Sciences, Biomedical Engineering, Chemistry, or a related scientific field.

Years of Experience

Minimum of 3-5 years of experience in technical project management within an R&D or scientific product development environment.

Specialized skills, knowledge, or certifications unique to this role

Knowledge of vape hardware technologies, including chip systems and aerosol delivery mechanisms.
Familiarity with regulated environments involving nicotine and cannabis-based products.
Proficiency in project management tools (e.g., MS Project, Jira, Confluence) and CAD or simulation tools is a plus.
Excellent written and verbal communication skills in English; Mandarin is a plus.

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! ❤️🤝

How to Apply:

Send resume and cover letter to: hr@greentank.com

Apply now

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