AECOM is seeking a Senior Mechanical Engineer to be based in; Denver, CO; or Houston, TX; or Chicago, ILThe Senior Mechanical Engineer works in a highly collaborative environment on a wide range of projects. The ideal candidate will have a passion for designing building mechanical systems and supporting junior staff. The Engineer knows how to perform the technical calculations and design, understands the project requirements and the effort required to complete the work. The candidate should be able to design the projects from concept up to construction and delivery to the Client. Candidate should be capable of working independently with limited supervision to complete both small and large complex projects. Excellent written and verbal communication skills with internal and external clients is required. Candidate must be well organized, be able to demonstrate critical thinking and can quickly recognize issues and be part of the solution.About Our PracticeUS West Buildings and Places has a vast market spread and geography, providing opportunities across a wide range of project typologies, including Science & Technology, Advanced Manufacturing, Commercial, Aerospace, Higher Education, Industrial and Process, Transportation, Aviation, Sports and Federal market sectors across the western United States and beyond. As a dynamic team of Architects, Planners, and Engineers we strive to incorporate beauty, sustainability, resiliency, equity, and innovation in our projects.The responsibilities of this position include, but are not limited to:Mechanical engineering from conceptual design through construction administration, commissioning and post-occupancyBe competent in all aspects of mechanical systems design for a variety of types of projects or markets to complete routing engineering assignments and calculationsWriting reports for internal and external purposes based on findingsStays current on codes and technologies appropriate to the Mechanical disciplineResearches, develops, designs, specifies, and witnesses the testing of mechanical systems, equipment, components, and materials, applying principles and techniques of mechanical engineering Organizes and conducts site visits for the purpose of data collection and evaluation of mechanical systems, equipment, components, and materials for projects with and without well-defined scopesDevelops designs within a BIM design environmentDevelops, designs, and specifies equipment, components and materials for all buildingCoordinating with multiple disciplines and acting as mechanical engineer point of contact to ensure that coordinated projects are delivered within budget on schedule and with high quality work.Assist in proposal preparation in conjunction with the senior leadership of the officeManage and work on multiple projects with other team members and mentors junior staffEnsures discipline plans that are created meet overall project team requirements for project scope and scheduleReview team member's work for quality and recognition of training requirementsAttend and present to owners, clients and architects as needed.