**Company Description** **Work with Us. Change the World.** At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We're one global team driven by our common purpose to deliver a better world. Join us. **Job Description** **AECOM is seeking a Senior Mechanical Engineer to be based in Orange, CA; Denver, CO; Columbus, OH or Cleveland, OH.** About AECOM: AECOM is a globally recognized architecture and engineering design firm. This global presence allows our diverse and creative designers to have a positive impact on millions of lives located around the globe. Our practice is centered around people and the way that they interact and experience our designs and the built environment.  By leveraging the design thought process our multi-disciplinary teams develop solutions that solve client and global challenges. Our projects have a direct positive impact on the spaces and policies that define the world we live in, ultimately creating a thoughtful, resilient, and beautiful future. About Buildings + Places: Our Buildings + Places practice includes architecture, interiors, building and system engineering, urbanism, and planning (inclusive of landscape design), strategy +, economics, technology solutions, asset advisory, and cost and program management. This diverse team assists our clients from strategy through project realization, creating positive outcomes for those who occupy and use the buildings and environments we help to create. Our practice work includes a wide range of small to large projects in varied market sectors such Science & Technology, Advanced Manufacturing, Commercial, Aerospace, Higher Education, Industrial and Process, Transportation, Aviation Sports and Federal market sectors.  We look to combine beauty, sustainability, resiliency, equity, and innovation in our projects and believe these values can be instilled in any project regardless of size or budget.  The 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. The responsibilities of this position include, but are not limited to: + Mechanical engineering from conceptual design through construction administration, commissioning and post-occupancy + Be competent in all aspects of mechanical systems design for a variety of types of projects or markets to complete routing engineering assignments and calculations + Writing reports for internal and external purposes based on findings + Stays current on codes and technologies appropriate to the Mechanical discipline + Researches, 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 scopes + Develops designs within a BIM design environment + Develops, designs, and specifies equipment, components and materials for all building + Coordinating 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 office + Manage and work on multiple projects with other team members and mentors junior staff + Ensures discipline plans that are created meet overall project team requirements for project scope and schedule + Review team member's work for quality and recognition of training requirements + Attend and present to owners, clients and architects as needed. **Qualifications** Minimum Requirements: + BA/BS in Mechanical Engineering, Architectural Engineering or similar field +6 years of related experience or demonstrated equivalency of experience and/or education  + Professional Engineer (PE) registration Preferred Qualifications: + A minimum of eight (8) years of related experience or demonstrated equivalency of experience and/or education + Strong mechanical code knowledge including International Fuel Gas Code, ASHRAE standards, NFPA and other relevant codes and standards + Experience in designing complex hydronic systems, steam, VRF systems and sustainable designs. This includes cooling towers, water cooled chillers, air cooled chillers, hot water and steam boilers, geothermal systems, etc. + Experience in developing specification book in alignment with design and specific performance criteria + Instrumentation and controls design/engineering experience + Revit and CAD experience + Ability to use load calculation software such as Trace700 and other energy modeling softwares such as eQuest, IES is a plus. + Competent in all conventional aspects of mechanical engineering and conducts work requiring judgment in the independent evaluation, selection and substantial adaptation and modification of standard mechanical engineering techniques, procedures, and criteria. + Plumbing and Fire Protection system design experience + Medical gas piping design experience is preferred + Experience with sustainable design and certification or high performance buildings + Excellent communication skills: articulate, assertive, and confident + Creative thinker with effective teamwork skills + Analyze equipment energy use for optimizing systems selection + Project related travel may be required for this position **Additional Information** + Hybrid work environment – Fully remote position not available. + Sponsorship is not availble for this opportunity Offered compensation will be based on location and individual qualifications. The expected range is $120,000.00 - $165,000.00. **About AECOM** AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $14.4 billion in fiscal year 2023. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM. **Freedom to Grow in a World of Opportunity** You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed. You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients. AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too. Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours. All your information will be kept confidential according to EEO guidelines. **ReqID:** REF41526F **Business Line:** B&P - Buildings & Places **Business Group:** DCS **Strategic Business Unit:** West **Career Area:** Engineering **Work Location Model:** Hybrid **Legal Entity:** AECOM Technical Services Inc