Who We Are
At Ecosystem we believe we should be accountable for results. That’s why we've integrated engineering and construction, seeing our projects through from design concept to implementation and commissioning. And that's how we can efficiently solve complex energy and decarbonization challenges in the built environment.
Here are some of the projects we've been working on recently: University of Toronto, Toronto Zoo and San Diego Padras Stadium.
Why This Role Matters
As Senior Building Automation Specialist, you'll play a key technical and strategic role as we continue to grow. You’ll bring your expertise to multimillion-dollar energy projects, turning complex MEP designs into high-performing building systems. By developing custom control strategies and optimizing mechanical systems, you’ll help achieve ambitious energy, comfort, and operational goals. From pre-design through commissioning and beyond, your work will deliver measurable ROI and long-term sustainability.
What You’ll Do
Technical Leadership & System Design
Conduct on-site assessments of BAS and mechanical systems.
Analyze BAS legacy sequences and architectures for optimization opportunities.
Specify BAS components and design custom control strategies.
Ensure mechanical system designs are fully controllable and aligned with automation strategies.
Project Development & Bidding
Lead controls assessments during bid phases and generate scope estimates.
Prepare RFP documentation, including sequences and points lists.
Support client presentations and internal reviews pre-award.
Construction & Commissioning
Oversee BAS installations; liaise with contractors and project teams.
Attend start-ups to ensure readiness and validate programming.
Confirm implementation of control logic and user-friendly interfaces.
Troubleshoot issues on-site and resolve them in real-time.
Lead or support full commissioning to ensure systems perform to specifications.
Optimization, Monitoring & Client Support
Optimize programming to meet performance guarantees post-installation.
Train client facilities staff on BAS and integrated system operation and provide clients with clear, actionable technical insights.
Monitor system data during the M&V phase and troubleshoot anomalies.
Support data collection and reporting for ongoing performance validation.
Mentorship & Internal Innovation
Mentor junior engineers and technicians on controls design and commissioning best practices.
Champion cross function knowledge transfer to internal Project Team: engineers/ construction managers/ subcontractors.
What You Bring
Degree in Mechanical, Electrical, or Instrumentation Controls Engineering, or equivalent experience.
8+ years of hands-on experience in control systems from leading integrators or manufacturers, such as Delta Controls, Distech Controls, Johnson Controls, Siemens, Honeywell, and Tridium.
High proficiency in BAS platforms and software tools.
Deep understanding of HVAC systems and control logic.
Skilled in field troubleshooting, commissioning, and integration of building systems.
Effective communicator, capable of translating technical concepts for clients and stakeholders.
Comfortable with 60% on-site presence for project execution and client support
What Ecosystem Offers
Annual base salaries benchmarked and reviewed annually, ranging from 100,000 - $130,000, with final compensation determined based on a candidate’s experience, technical expertise, and skillset.
Generous time off: enjoy a minimum 15 vacation days, 5 personal days, 10 public holidays, and a year-end holiday closure
Complete Group Insurance offer (health, visual, dental, life insurance, AD&D, Telemedicine and Employee Assistance Program) with employer contribution of 60%.
Employer contribution to Retirement Savings Plan.
Mileage (home to site) and meals covered on-site.
Thriving people-first culture: we put our values in action in DEI, CSR, Innovation, and Social committees, and celebrate our shared success at events like Ecofest.
Those who change the world don’t just make recommendations- they make decisions and act on them. This is what we do at Ecosystem.
This job posting is for an existing vacancy at the time of posting.