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Launch your Sustainability Career with the Climate Corps Fellowship program! SEI’s Climate Corps Fellowship program offers the chance to lead impactful climate and community resilience projects while gaining paid, hands-on experience. This full-time, bridge-to-career opportunity pairs fellows with host organizations, from local governments to nonprofits and businesses, to drive real-world change. About the Opportunity  Start Date: September 1st, 2026 Length of Fellowship: 10 months Location Type:  Hybrid Launch your career in sustainable building systems by improving building performance for people and the planet. As a Building Commissioning Fellow in the Climate Corps Fellowship program, you’ll have the opportunity to contribute to impactful sustainability initiatives with McKinstry. This is a hybrid position with the expectation of onsite work 3-4 days per week. During the fellowship, you'll work alongside experienced commissioning engineers on building systems projects across new construction and existing buildings. Building commissioning is a systematic quality assurance process that verifies a building's mechanical, electrical, plumbing, lighting, and controls systems are installed correctly and operating as designed — meeting energy code requirements and delivering the comfort and performance occupants expect. After installation and prior to delivery to the owner, the commissioning team verifies proper system behavior and resolves any deficiencies through installation verification, controls point-to-point checkout, and functional performance testing. This work is led by an independent commissioning agent who documents findings and works with the project team to ensure the building performs the way it was designed to from day one. Fellows who successfully complete the program will be well-positioned for career pathways in commissioning engineering, including roles at the Commissioning Specialist level. This fellowship is designed for early-career candidates building toward a professional role in commissioning, building systems, or sustainable facilities management. This position offers a unique opportunity to develop your professional skills, grow your network, and contribute to McKinstry's sustainability goals. About Our Partner:  McKinstry McKinstry is a privately held national leader in designing, constructing, operating, and maintaining high-performing buildings, headquartered in Seattle, Washington. Serving school districts, universities, municipalities, hospitals, and private companies nationwide, they provide a single point of accountability across the entire building lifecycle — from new construction to adaptive reuse and energy retrofits. At the intersection of construction, engineering, and energy services, McKinstry is a preferred partner for organizations focused on long-term planning, sustainability, and decarbonization. What You’ll Do Supporting pre-functional and functional test development, witnessing, and documentation for mechanical, electrical, and controls systems. Assisting with review of construction documents, submittals, and equipment schedules so that the proposed implementation will meet the overall design and performance needs of the project. Contributing to the investigation of the building’s performance by tracking and logging performance observations, supporting issue resolution, and ensuring that the construction-phase meets all requirements. Supporting development of commissioning plans, schedules, and site-specific reporting. Participating in field verification activities — equipment identification, installation checks, and startup witnessing. Assisting with existing building investigations, including Building Automation Systems (BAS) trend data review and identification of operational deficiencies. Supporting turnover documentation, including Operations & Maintenance materials, systems manu