Ameresco, Inc. (NYSE:AMRC) is a leading cleantech integrator and renewable energy asset developer, owner and operator. Our comprehensive portfolio includes energy efficiency, infrastructure upgrades, asset sustainability and renewable energy solutions delivered to clients throughout North America and Europe. Our solutions range from upgrades to facility's energy infrastructure to the development, construction and operation of renewable energy plants combined with tailored financial solutions. We foster an entrepreneurial, collaborative, and forward-thinking culture that thrives with innovation, diversity of thought, and inclusion. We are excited with all that the future holds for our industry, planet, and communities. Ameresco has a new opportunity for a Senior Commissioning Lead. The Senior Commissioning Lead oversees the startup and commissioning of projects that include utility-scale renewable and energy storage assets. This is a US based position with travel to project sites. Essential Functions: Review contractual documents for performance requirements, standards, critical milestones, and deliverables. These may include vendor contracts, lease or landholder agreements, interconnection agreements, power purchase agreements, and operations and maintenance-related agreements. Review and develop familiarity with the project design, including its accommodation of unique performance requirements, site features, and climate, regulatory and permitting boundaries. Review and develop familiarity with major equipment selections, vendor-furnished documentation and supply or maintenance agreement requirements, and startup and commissioning procedures. Review and develop familiarity with construction subcontracts, with particular emphasis on support approaching mechanical completion, and work acceptance criteria. Author and be accountable for documents used to validate the demonstration of work completion consistent with contractual, design, and vendor-related criteria. These may include commissioning checklists, in-field measurements and observations, and project-specific testing and demonstration plans. Participate in virtual, in-office, and on-site meetings and inspections. Develop scope and subcontract documents for commissioning-related consultants, and testing agencies. Accountable for the ongoing elevation of Ameresco's capabilities - including technology expertise, use of systems, and talent management. Develop and prepare high-quality client-facing materials and deliverables; this includes but is not limited to preliminary studies, and detailed reports. Ensure compliance with company, industry, trade, and jurisdictional safety standards, practices, codes, and successful project implementation that meets or exceeds company objectives, and financial parameters. Cultivate and maintain effective business relationships at all levels and project phases Travel as required Perform other duties as required. Minimum Qualifications: High School Diploma or equivalent Minimum 8 years of experience specifically related to the execution of utility scale solar and storage projects. Prior design experience required, including AC & DC systems, controls and communications systems, grounding, Experience with startup and commissioning of PV and energy storage systems. Ability to review confidential US security information. Additional Qualifications: BSEE from ABET accredited institution preferred. Familiarity with commonly applicable codes and standards including ASCE 7-16, the NEC, NESC, IBC, NFPA 70E and 72, UL 1741, and IEEE 1547 series, including SA and SB variants. Familiarity with common interconnection processes including the FERC template SGIP and LGIP, as well as state jurisdictional distribution processes (e.g. California Rule 21, Hawaii Rule 14). NABCEP PVCMS, PVDS, and/or PVSI certification preferred. Working knowledge of el