Senior Engineer - Project Development

Center for Open Science; New York, Washington (NY, District of Columbia); On-site; USD 100,000 - 150,000; Full time

Job summary

Ecosystem is seeking a Project Development Engineer to lead early-stage, capital-intensive energy projects, translating client needs into technically sound solutions that drive energy efficiency.

You will collaborate with client acquisition teams, conduct site assessments, perform analyses, and guide projects from concept to contract, applying your mechanical engineering background and strong communications.

Qualifications

• 5+ years of direct relevant experience in buildings and energy efficiency, construction-type projects.
• Degree in Mechanical Engineering, or other related discipline.
• Professional Engineering License highly desirable.
• Ability to translate complex technical concepts into clear, compelling presentations for technical and non-technical stakeholders.

Responsibilities

• Create tailored, innovative solutions by partnering with the client acquisition team to transform challenges into opportunities.
• Build strong relationships with stakeholders and position Ecosystem as the partner of choice.
• Initiate and lead kickoff meetings to understand full context and recommend solutions that address the root need.
• Conduct site assessments including site walk-throughs, drawing reviews and system evaluations (HVAC, electrical, controls, etc.).
• Undertake various technical analyses, tailoring approach to meet client’s objectives (operational, financial, environmental).
• Work with Business Development Manager to guide projects from early-stage concept to contract, being accountable for technical insights.

Skills

Client relationships

Technical presentations

Energy retrofits

Project proposals

Education

Mechanical Engineering degree

Job description

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:Con Edison: Utility Thermal Energy Network; Museum of Arts and Design, Ventas- Battery Park City.

Why this role matters…

As a Project Development Engineer at Ecosystem, you’ll play a key role in reshaping how energy infrastructure projects are conceived and delivered. Rather than following a conventional process, you’ll help define transformative, result-driven solutions that challenge industry norms and uncover what clients truly need. You’ll lead the early development of high-impact, capital-intensive projects; translating complex needs into innovative, technically sound solutions that drive energy efficiency, asset renewal, and cost savings. If you're motivated by complex challenges, and seeing your ideas come to life, this is where you’ll thrive!

What you will do...

• Create meaningful moments with clients by partnering with the client acquisition team to craft innovative, tailored solutions - transforming long‑standing challenges into opportunities through compelling strategies, presentations, and partnerships
• Build strong relationships with stakeholders, positioning Ecosystem as the partner of choice, recognized for our technical depth and expertise
• Initiate and lead kickoff meetings to understand full context and recommend solutions that address the root need - not just the initial request
• Conduct site assessments: including site walk throughs, drawing reviews and system evaluations (HVAC, electrical, controls, ...)
• Undertake various technical analyses, tailoring your approach to meet client’s operational, financial, and environmental objectives
• Work hand‑in‑hand with the Business Development Manager to guide projects from early‑stage concept to contract, be accountable for technical insights

Your profile...

• Ability to develop relationships quickly and establish credibility through technical conversations, ultimately leading to becoming the client’s advisor
• Proven ability to develop technical concepts and project proposals for energy retrofits and infrastructure upgrades
• Ability to translate complex technical concepts into clear, compelling presentations for technical and non-technical stakeholders
• A minimum of 5+ years of direct relevant experience in buildings and energy efficiency, construction‑type projects
• Degree in Mechanical Engineering, or other related discipline
• Professional Engineering License highly desirable

What Ecosystem offers...

• A unique opportunity to join a team driving the energy transition- while others talk, we deliver results!
• Annual base salary (approx. $100,000 - $150,000). This is an approximate range and dependent on location and years of relevant experience
• Tailored career growth and development opportunities through mentorship, training, and career planning
• Generous time off: enjoy a minimum of 15 vacation days, 5 personal days, 10 public holidays, and a year‑end holiday closure
• Employer contribution to 401(k)and complete Group Insurance offer with employer contributionand easy access to health and support through Telemedicine and Employee Assistance Program
• At Ecosystem, ourApproach to Working Togetheris 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
• 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

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