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 is currently seeking a Senior Mechanical Engineer to work in our Phoenix, AZ office. In this role, you will apply your design expertise on challenging projects and mentor junior engineers. You'll work with one of the nation’s top Energy Services Companies, gaining expertise and advancing your career. Responsibilities: + Provide discipline-specific system design: layout (utilizing CAD/BIM); calculations (utilizing appropriate software, e.g. ThermoFlex, DesignBuilder); and other related design services including coordination with other disciplines (architectural and engineering / internal and external) under the guidance of the Director of Central Utility Systems. + Manage customer relationships and expectations throughout the project lifecycle, working in close contact with and effectively interacting with the internal design team as well as external clients and consultants (including owners, builders, developers, program managers, architects, vendors, etc.). + Create mechanical designs for power plants, including piping (chilled water, hot water, steam, compressed air, natural gas, fuel oil), building level HVAC, gas-fired turbines, steam turbines, water tube boilers, fire tube boilers, heat recovery steam generators, and develop project specifications, basis of design documents, system narratives, and system layouts for a variety of projects and project sizes. + Establish systems application, design, and operational parameters/sequences of operation. + Participate in QA/QC processes for your work and the work of peers and consultants. + Assist the Engineering Director in the ongoing determination of project scheduling requirements, manpower requirements, and project budgets. + Perform construction administration and field investigation tasks for assigned projects, including conducting assessments of existing conditions, field inspections, and subsequent detailed inspection reports. + Process RFIs, submittals, and design revisions. + Perform other duties as required. Minimum Qualifications: + Bachelor's degree in Mechanical Engineering from an accredited institution. + Minimum of 10 years of relevant experience in the MEP field including experience designing power plants. + Ability to review confidential US security information. + Current Licensed Professional Engineer (PE). Additional Qualifications: + Proficiency in AutoCAD MEP and REVIT. + Proficient in design and calculation software (ThermoFlex, DesignBuilder, CAESAR II); MS Office. + Thorough understanding of applicable codes. + Ability to travel as required. + Experience working in an Engineering and/or Architectural/Engineering consulting firm strongly desired. + Leadership, initiative, and problem-solving skills for large-scale projects required. + Experience working on Federal projects is a plus. #LI-AWS #LI-Onsite AMERESCO challenges the brightest, most talented and creative individuals in the industry by providing an environment that embraces initiative, diversity, and achievement along with comprehensive rewards, including people-oriented insurance, investment, and incentive plans. Genuine Ameresco communications use @ameresco.com emails; any other domain is fraudulent. Report suspected phishing to 1-866-AMERESCO. Equal Opportunity/Affirmative Action Employer/Women/Minorities/Veteran/Disability.