Senior Mechanical Engineer

AECOM’s Ohio Buildings + Places team is seeking a Senior Mechanical Engineer to lead the design and delivery of high-performance building systems across diverse market sectors. This hybrid role (Columbus, OH) is a senior technical leadership position for an experienced engineer who excels in complex HVAC design, cross-disciplinary coordination, and mentoring emerging talent.

Our Ohio B+P practice—based in Columbus and Cleveland—is one of AECOM’s highest-performing teams, providing integrated architecture, engineering, planning, and digital delivery services. We serve public, federal, healthcare, science & technology, higher education, mission critical, logistics, and commercial clients, with a strong focus on design excellence, performance, and resilience.

Key Responsibilities

Technical Leadership & Design

• Lead mechanical system design from concept through construction administration.
• Serve as the mechanical discipline lead, ensuring technical quality, code compliance, and constructability.
• Apply sound engineering judgment to system selection, energy performance, and lifecycle optimization.
• Maintain expertise in ASHRAE, IMC, IPC, IECC, and emerging technologies.

Project Delivery & Coordination

• Produce calculations, drawings, specifications, and technical reports.
• Coordinate with architectural, structural, electrical, plumbing, fire protection, and specialty disciplines.
• Lead site investigations, review submittals and RFIs, and support construction administration.
• Deliver projects within defined scope, schedule, and budget.

Team Leadership & Mentorship

• Mentor and review the work of junior engineers and designers.
• Provide clear, constructive technical feedback and support skill development.
• Establish yourself as a trusted technical leader within the Ohio B+P team and AECOM’s US practice.

Proposals & Practice Support

• Contribute to proposals, scopes, fees, and technical narratives.
• Support best practices and continuous improvement within the mechanical discipline.