Mechanical Engineer - Data Center

Responsibilities

• Technical Leadership & Design
• Lead and independently execute the HVAC discipline component of Plans, Specifications & Estimates (PS&E) packages, from concept through construction documents.
• Develop and apply advanced HVAC design methodologies - including load calculations, equipment selection, ductwork and piping design, and energy modeling - ensuring accuracy and code compliance.
• Serve as Lead Verifier on projects, confirming that the technical approach satisfies the client's scope of services and expectations.
• Prepare and review complex technical specification sections for HVAC systems, ensuring clarity, completeness, and alignment with applicable standards.
• Develop construction cost estimates and technical effort estimates for HVAC scopes of work.
• Identify and introduce new design processes and tools that improve efficiency and work quality across the discipline.
• Quality Assurance & Interdisciplinary Coordination
• Perform quality control reviews of HVAC design calculations, drawings, and specifications produced by the project team.
• Participate in and lead interdisciplinary reviews of project deliverables, resolving conflicts between HVAC, structural, electrical, plumbing, and fire protection systems.
• Engage with cross-discipline technical teams to confirm project approach and review deliverables, ensuring integrated and buildable solutions.
• Analyze complex design issues, recommend solutions, and define new procedures where standard methodologies fall short.
• Client & Stakeholder Engagement
• Communicate with clients to discuss scope of work, gather technical information, and address comments on draft deliverables.
• Leverage client credibility gained from delivering high-quality technical services to expand work assignments and support business development.
• Convey complex or sensitive technical information clearly and persuasively to internal teams, clients, and external stakeholders.
• Assist with technical proposals and support the pursuit of new projects and funding opportunities.
• Team Development & Knowledge Sharing
• Provide structured guidance, mentoring, and technical training to junior and intermediate engineers, developing team capabilities.
• Share technical expertise through internal communications, presentations, and knowledge-sharing sessions.
• Contribute as an in-house expert on HVAC technologies, systems, and evolving industry practices.
• Actively pursue continuous learning of technical advances, industry trends, energy codes, and competitive positioning.
• Qualifications & Experience:
• Required:
• Bachelor's degree in mechanical engineering or closely related discipline.
• Minimum 10 years of progressive experience in HVAC engineering, with a demonstrated track record of leading discipline deliverables on complex projects.
• In-depth knowledge of HVAC systems - including central air handling units, chilled water and heating hot water systems, variable air volume (VAV) systems, exhaust and ventilation systems, and controls integration.
• Proficiency in HVAC load calculation and energy modelling software (e.g., Trane TRACE, eQUEST, HAP, or equivalent).
• Strong working knowledge of applicable codes and standards, including ASHRAE, IMC, NFPA, and local building codes.
• Proven ability to work independently, manage work priorities, and deliver high-quality technical outputs within schedule and budget constraints.
• Demonstrated experience performing or directing quality control reviews of engineering calculations and design documents.
• Strong communication and interpersonal skills - able to engage effectively with clients, contractors, and multidisciplinary project teams.
• Preferred:
• Professional Engineer (PE) license or equivalent registered engineering credential.
• Experience with mission-critical or specialty HVAC environments - such as data centers, healthcare facilities, laboratories, or cleanrooms.
• Familiarity with Building Automation Systems (BAS) and DDC controls, including integration of HVAC equipment with building management platforms.
• Knowledge of Building Information Modelling (BIM) workflows and experience delivering projects in Revit MEP or equivalent authoring tools.
• LEED AP or equivalent green building certification, with hands-on experience supporting sustainable design goals.
• Experience with commissioning processes (Cx/BCx/RCx) and coordination with commissioning agents.
• Prior involvement in industry organizations (ASHRAE chapters, professional society committees) or contributions to industry publications and technical presentations.
• Exposure to design-build or integrated project delivery (IPD) projec

Benefits

Additional Information

AECOM is seeking an experienced and technically driven Principal HVAC Engineer to join our growing MEP practice. In this senior individual-contributor role you will serve as a recognized technical authority on HVAC systems across a portfolio of complex, multi-discipline projects - ranging from commercial and institutional buildings to critical infrastructure and industrial facilities.

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