Design Engineer – HVAC & Decarbonization

New York, NY
Operations – Operations /
Full-time /
Hybrid
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 in the US: San Diego Padres Stadium, Con Edison: Utility Thermal Energy Network; Museum of Arts and Design

Why this role matters...
In this role, you’ll work hand-in-hand with clients and stakeholders to design unique, and sometimes unconventional, solutions that tackle the most pressing challenges in sustainable construction and energy retrofits across New York! You won’t just design systems on paper; you’ll see your ideas implemented in real buildings, learning from the process and experiencing the tangible impact of your work! You’ll also play a key role in monitoring project performance after completion, verifying energy savings and ensuring our multimillion-dollar solutions deliver real, measurable results for our clients. This is a position for engineers who are motivated by complexity, thrive on autonomy, and want the freedom to make decisions that truly transform how buildings consume energy. 

What you will do... 

    • Gather and analyze client energy bills to identify potential energy savings based on current energy rates and the building’s energy use intensity (EUI)  
    • Analyze mechanical/ electrical/ control drawings and perform site surveys to understand the operation of the building  
    • Develop energy conservation measures based on clients’ needs and financial parameters  
    • Develop and perform calculations using a combination of software and simulations of potential energy savings from the proposed design  
    • Select equipment based on energy performance  
    • Prepare project construction budgets and develop financial models  
    • Provide technical assistance to the Construction Manager during the construction phase of the project   
    • Monitor project performance to ensure attainment of anticipated energy savings   
    • Develop technical concepts and associated written documentation required by the Client Acquisition Team and support the Sales Team in identifying clients’ needs  
    • Participate in internal and external meetings/presentations and nurture client relationships  

Your profile...

    • Bachelor’s degree in Mechanical, Chemical or Physics Engineering  
    • 5 to 10 years of relevant experience in Design Engineering or Mechanical Systems Design  
    • Proven ability to translate theoretical expertise and past experience into practical solutions, leveraging intuition, technical knowledge, and collaboration with other engineers  
    • Excellent communication skills and an aptitude for writing to draft technical reports, present proposals, and engage directly with stakeholders  
    • Experience with energy efficiency and decarbonization projects an advantage  

What Ecosystem offers…

    • End-to-end project ownership: take full accountability of projects from design to delivery and completion, with the autonomy to make decisions and see the results of your designs come to life 
    • Career growth & open communication: grow in a culture of transparency and support, with direct access to leadership, and tailored development through training, mentorship, and career planning   
    • Generous paid time off: minimum of 15 vacation days, 5 personal days, 10 public holidays, plus a week off to recharge during the end of year Holidays   
    • Employer contribution to 401(k) and to a complete Group Insurance package with easy access to health and support through Telemedicine and Employee Assistance Program       
    • Annual base salary, approximately $100,000 – $140,000, based on location and experience, with annual reviews to stay market-competitive US  
    • You decide when visits are valuable - mileage and meals are covered on-site   
    • More than a working tool, cell phones are provided for professional and personal use   
    • Our Approach to Working Together is built on trust, collaboration, and accountability. While flexibility depends on the role, some teams have set expectations for time on-site or in the office. We come together intentionally during key moments to connect, learn, and succeed as a team   
    • People-first culture: we live our values through DEI, CSR, Innovation, and Social Committees, and celebrate our shared success at events like Ecofest   

    • Join a mission-driven, stable organization with over 30 years of experience modernizing the built environment – delivering guaranteed results and generating over 30% in energy savings!