Sr Mechanical Engineer

About the role

AECOM’s Bay Area 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.

Responsibilities

• Lead 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.
• Carefully coordinate 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.
• Contribute to a collaborative, inclusive team culture that values accountability, learning, and excellence.
• Establish yourself as a trusted technical leader and mentor within the Northern California 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.

Qualifications

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