The OpportunityAre you ready to lead the mechanical design of high-performance buildings that shape communities and critical infrastructure? AECOM’s Ohio Buildings + Places team is seeking a Senior Mechanical Engineer to provide technical leadership, mentor emerging talent, and deliver complex HVAC and building systems solutions across a diverse portfolio of projects. This is a Hybrid opportunity working out of AECOM’s Columbus office.This is a senior technical leadership role for an experienced engineer who thrives in both independent execution and collaborative, multi-disciplinary environments—someone who values design excellence, accountability, and developing the next generation of engineers. About AECOMAt AECOM, we’re delivering a better world. We believe infrastructure creates opportunity for everyone—improving how people live, work, and connect. Our clients trust us to bring together the best people, ideas, technical expertise, and digital solutions across transportation, buildings, water, environment, and energy.We are one global team—50,000 strong—united by a shared purpose: to deliver a better world through excellence, innovation, and integrity. About the Ohio Buildings + Places TeamAECOM’s Ohio Buildings + Places practice—anchored in Columbus and Cleveland—is one of the most established and highest-performing B+P teams in the United State. Our integrated services include architecture, interiors, building MEP systems and structural engineering, urbanism and planning, advisory services, and digital delivery.We collaborate across AECOM business lines and regions to deliver vertically integrated solutions for Public Non-Federal, Federal (DoD and Civilian), Healthcare, Science &amp; Technology, Higher Education, Justice, Mission Critical, Logistics, and Commercial clients. Design excellence, performance, resiliency, and innovation guide our work at every scale. What You’ll DoAs a Senior Mechanical Engineer, you will lead mechanical system design and delivery from concept through construction administration while serving as a trusted technical resource for clients and internal teams.Technical Leadership &amp; Design Excellence<ul><li>Lead the mechanical system design as a trusted technical resource for clients and internal teams while also collaborating and contributing to technical excellence within AECOM's global practice.</li><li>Serve as the mechanical discipline lead on projects of varying size and complexity, ensuring technical quality, code compliance, and constructability.</li><li>Apply sound engineering judgment to evaluate, select, and adapt mechanical systems, equipment, and materials.</li><li>Stay current with applicable codes, standards, and emerging technologies, including ASHRAE, IMC, IPC, and IECC.</li><li>Analyze system performance and energy use to optimize efficiency, resilience, and lifecycle value.</li></ul>Project Delivery &amp; Coordination<ul><li>Execute mechanical design from concept through construction administration, including calculations, specifications, reports, and drawing development.</li><li>Coordinate closely with architectural, structural, electrical, plumbing, fire protection, and specialty disciplines to ensure integrated solutions.</li><li>Perform and lead site investigations to assess existing systems and inform design decisions.</li><li>Review shop drawings, RFIs, and submittals; attend client and construction meetings as part of construction administration.</li><li>Ensure projects are delivered within scope, schedule, and budget expectations.</li></ul>Team Leadership &amp; Mentorship<ul><li>Mentor and guide junior engineers and designers, fostering technical growth, confidence, and professional development.</li><li>Review team members’ work for technical accuracy, consistency, and quality, providing constructive, growth-oriented feedback.</li><li>Identify skill gaps and support the development of targeted training and knowledge-sharing initiatives.</li><li>Contribute to a collaborative, inclusive team culture that values accountability, learning, and excellence.</li><li>Establish yourself as a trusted technical leader and mentor within the Ohio B+P team and a subject matter expert within AECOM's overall US Practice.</li></ul>Proposals &amp; Practice Support<ul><li>Support proposal development and pursuit efforts by contributing technical narratives, scope development, and fee input.</li><li>Prepare technical reports and documentation for internal and external stakeholders.</li><li>Collaborate with office leadership to advance best practices and support the long-term success of the mechanical discipline.</li><li>Contribute to a collaborative, inclusive team culture that values accountability, learning, and excellence.  Connect with other subject matter experts throughout the US, and contribute to the technical excellence of AECOM's global practice.</li></ul>Success in the RoleIn your first year, you will:<ul><li>Successfully lead multiple mechanical design efforts with clear wins in quality, coordination, and client satisfaction.</li><li>Establish yourself as a trusted technical leader and mentor within the Ohio B+P team.</li><li>Contribute to the delivery of high-performance, energy-efficient buildings across diverse market sectors.</li><li>Strengthen consistency, clarity, and technical rigor across mechanical deliverables.</li></ul>QualificationsMinimum Requirements<ul><li>Bachelor’s degree in Mechanical Engineering from an accredited program.</li><li>6+ years of relevant mechanical engineering experience or demonstrated equivalency of education and experience.</li><li>Completion of the Fundamentals of Engineering (FE) exam.</li><li>Professional Engineer (PE) license.</li></ul>Preferred Qualifications<ul><li>10+ years of experience in a consulting engineering or design-build environment.</li><li>Strong working knowledge of ASHRAE standards, IMC, IPC, and IECC.</li><li>Experience across federal, healthcare, laboratory, mission critical, and commercial/mixed-use markets.</li><li>Experience with LEED and sustainable design initiatives.</li><li>Demonstrated ability to lead multiple projects concurrently.</li><li>Experience delivering architecturally complex or high-profile projects.</li><li>Excellent communication skills—clear, confident, and collaborative.</li><li>Creative, analytical thinker with strong organizational and leadership abilities.</li><li>Willingness to travel occasionally for project-related site visits.</li></ul>Additional Information<ul><li>This position is based in Columbus, Ohio (Hybrid).</li><li>Sponsorship is not available for this role.</li><li>Work on meaningful, technically challenging projects that make a measurable impact.</li><li>Collaborate with a high-performing, multi-disciplinary team recognized for design excellence.</li><li>Grow your technical leadership while mentoring the next generation of engineers.</li><li>Be part of a global firm that values integrity, innovation, and professional growth.</li></ul>

AECOM is the world&rsquo;s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle &ndash; 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.

Sr. Mechanical Engineer IV

The OpportunityAre you ready to lead the mechanical design of high-performance buildings that shape communities and critical infrastructure? AECOM’s Ohio Buildings + Places team is seeking a Senior Mechanical Engineer to provide technical leadership, mentor emerging talent, and deliver complex HVAC and building systems solutions across a diverse portfolio of projects. This is a Hybrid opportunity working out of AECOM’s Columbus office.This is a senior technical leadership role for an experienced engineer who thrives in both independent execution and collaborative, multi-disciplinary environments—someone who values design excellence, accountability, and developing the next generation of engineers.&nbsp;About AECOMAt AECOM, we’re delivering a better world. We believe infrastructure creates opportunity for everyone—improving how people live, work, and connect. Our clients trust us to bring together the best people, ideas, technical expertise, and digital solutions across transportation, buildings, water, environment, and energy.We are one global team—50,000 strong—united by a shared purpose: to deliver a better world through excellence, innovation, and integrity.&nbsp;About the Ohio Buildings + Places TeamAECOM’s Ohio Buildings + Places practice—anchored in Columbus and Cleveland—is one of the most established and highest-performing B+P teams in the United State. Our integrated services include architecture, interiors, building MEP systems and structural engineering, urbanism and planning, advisory services, and digital delivery.We collaborate across AECOM business lines and regions to deliver vertically integrated solutions for Public Non-Federal, Federal (DoD and Civilian), Healthcare, Science &amp; Technology, Higher Education, Justice, Mission Critical, Logistics, and Commercial clients. Design excellence, performance, resiliency, and innovation guide our work at every scale.&nbsp;What You’ll DoAs a Senior Mechanical Engineer, you will lead mechanical system design and delivery from concept through construction administration while serving as a trusted technical resource for clients and internal teams.Technical Leadership &amp; Design Excellence<ul><li>Lead the mechanical system design as a trusted technical resource for clients and internal teams while also collaborating and contributing to technical excellence within AECOM's global practice.</li><li>Serve as the mechanical discipline lead on projects of varying size and complexity, ensuring technical quality, code compliance, and constructability.</li><li>Apply sound engineering judgment to evaluate, select, and adapt mechanical systems, equipment, and materials.</li><li>Stay current with applicable codes, standards, and emerging technologies, including ASHRAE, IMC, IPC, and IECC.</li><li>Analyze system performance and energy use to optimize efficiency, resilience, and lifecycle value.</li></ul>Project Delivery &amp; Coordination<ul><li>Execute mechanical design from concept through construction administration, including calculations, specifications, reports, and drawing development.</li><li>Coordinate closely with architectural, structural, electrical, plumbing, fire protection, and specialty disciplines to ensure integrated solutions.</li><li>Perform and lead site investigations to assess existing systems and inform design decisions.</li><li>Review shop drawings, RFIs, and submittals; attend client and construction meetings as part of construction administration.</li><li>Ensure projects are delivered within scope, schedule, and budget expectations.</li></ul>Team Leadership &amp; Mentorship<ul><li>Mentor and guide junior engineers and designers, fostering technical growth, confidence, and professional development.</li><li>Review team members’ work for technical accuracy, consistency, and quality, providing constructive, growth-oriented feedback.</li><li>Identify skill gaps and support the development of targeted training and knowledge-sharing initiatives.</li><li>Contribute to a collaborative, inclusive team culture that values accountability, learning, and excellence.</li><li>Establish yourself as a trusted technical leader and mentor within the Ohio B+P team and a subject matter expert within AECOM's overall US Practice.</li></ul>Proposals &amp; Practice Support<ul><li>Support proposal development and pursuit efforts by contributing technical narratives, scope development, and fee input.</li><li>Prepare technical reports and documentation for internal and external stakeholders.</li><li>Collaborate with office leadership to advance best practices and support the long-term success of the mechanical discipline.</li><li>Contribute to a collaborative, inclusive team culture that values accountability, learning, and excellence. &nbsp;Connect with other subject matter experts throughout the US, and contribute to the technical excellence of AECOM's global practice.</li></ul>Success in the RoleIn your first year, you will:<ul><li>Successfully lead multiple mechanical design efforts with clear wins in quality, coordination, and client satisfaction.</li><li>Establish yourself as a trusted technical leader and mentor within the Ohio B+P team.</li><li>Contribute to the delivery of high-performance, energy-efficient buildings across diverse market sectors.</li><li>Strengthen consistency, clarity, and technical rigor across mechanical deliverables.</li></ul>QualificationsMinimum Requirements<ul><li>Bachelor’s degree in Mechanical Engineering from an accredited program.</li><li>6+ years of relevant mechanical engineering experience or demonstrated equivalency of education and experience.</li><li>Completion of the Fundamentals of Engineering (FE) exam.</li><li>Professional Engineer (PE) license.</li></ul>Preferred Qualifications<ul><li>10+ years of experience in a consulting engineering or design-build environment.</li><li>Strong working knowledge of ASHRAE standards, IMC, IPC, and IECC.</li><li>Experience across federal, healthcare, laboratory, mission critical, and commercial/mixed-use markets.</li><li>Experience with LEED and sustainable design initiatives.</li><li>Demonstrated ability to lead multiple projects concurrently.</li><li>Experience delivering architecturally complex or high-profile projects.</li><li>Excellent communication skills—clear, confident, and collaborative.</li><li>Creative, analytical thinker with strong organizational and leadership abilities.</li><li>Willingness to travel occasionally for project-related site visits.</li></ul>Additional Information<ul><li>This position is based in Columbus, Ohio (Hybrid).</li><li>Sponsorship is not available for this role.</li><li>Work on meaningful, technically challenging projects that make a measurable impact.</li><li>Collaborate with a high-performing, multi-disciplinary team recognized for design excellence.</li><li>Grow your technical leadership while mentoring the next generation of engineers.</li><li>Be part of a global firm that values integrity, innovation, and professional growth.</li></ul>&nbsp;&nbsp;&nbsp;

Sr. Mechanical Engineer IV

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