Sr. Mechanical Engineer IV

AECOM•Columbus, OH

2d•Hybrid

About The Position

Are 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 AECOM At 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 Team AECOM’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 & 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 Do As 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.

Requirements

Bachelor’s degree in Mechanical Engineering from an accredited program.
6+ years of relevant mechanical engineering experience or demonstrated equivalency of education and experience.
Completion of the Fundamentals of Engineering (FE) exam.
Professional Engineer (PE) license.

Nice To Haves

10+ years of experience in a consulting engineering or design-build environment.
Strong working knowledge of ASHRAE standards, IMC, IPC, and IECC.
Experience across federal, healthcare, laboratory, mission critical, and commercial/mixed-use markets.
Experience with LEED and sustainable design initiatives.
Demonstrated ability to lead multiple projects concurrently.
Experience delivering architecturally complex or high-profile projects.
Excellent communication skills—clear, confident, and collaborative.
Creative, analytical thinker with strong organizational and leadership abilities.
Willingness to travel occasionally for project-related site visits.

Responsibilities

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.
Serve as the mechanical discipline lead on projects of varying size and complexity, ensuring technical quality, code compliance, and constructability.
Apply sound engineering judgment to evaluate, select, and adapt mechanical systems, equipment, and materials.
Stay current with applicable codes, standards, and emerging technologies, including ASHRAE, IMC, IPC, and IECC.
Analyze system performance and energy use to optimize efficiency, resilience, and lifecycle value.
Execute mechanical design from concept through construction administration, including calculations, specifications, reports, and drawing development.
Coordinate closely with architectural, structural, electrical, plumbing, fire protection, and specialty disciplines to ensure integrated solutions.
Perform and lead site investigations to assess existing systems and inform design decisions.
Review shop drawings, RFIs, and submittals; attend client and construction meetings as part of construction administration.
Ensure projects are delivered within scope, schedule, and budget expectations.
Mentor and guide junior engineers and designers, fostering technical growth, confidence, and professional development.
Review team members’ work for technical accuracy, consistency, and quality, providing constructive, growth-oriented feedback.
Identify skill gaps and support the development of targeted training and knowledge-sharing initiatives.
Contribute to a collaborative, inclusive team culture that values accountability, learning, and excellence.
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.
Support proposal development and pursuit efforts by contributing technical narratives, scope development, and fee input.
Prepare technical reports and documentation for internal and external stakeholders.
Collaborate with office leadership to advance best practices and support the long-term success of the mechanical discipline.
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.

Benefits

AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options , well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

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