Senior Building Mechanical Engineer

Overview

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, and where everyone is empowered to bring their authentic selves and novel ideas to work. HDR fosters a culture of inclusion throughout the company and communities, continually considering our impact on the world. In HDR’s Building Engineering Services Group, you’ll help design the infrastructure that supports the digital age and shapes spaces where people work, connect, and thrive.

HDR brings together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration. Whether optimizing energy efficiency, integrating resilient systems, or engineering the backbone of next-generation facilities, your contributions will help define the future of the built environment.

This isn’t just a job; it’s a chance to lead innovation, engineer impact, and build a legacy of excellence.

• Lead the work of the mechanical design team throughout all project phases ranging from feasibility studies, programming, conceptual design, schematic design, construction documents, construction administration, commissioning, and project close-out
• Write and edit mechanical specifications to fit project requirements
• Review mechanical documents for conflicts with all disciplines
• Understand fan and pump curves to properly select equipment for different applications
• Perform psychrometric calculations for analyzing and selecting HVAC systems and equipment
• Develop sections and elevations for complex ductwork and piping areas
• Develop air and water flow diagrams
• Coordinate HVAC system control requirements and intended modes of operation with controls engineers to develop control diagrams, point lists, and sequences of operation
• Visit project sites to verify existing conditions or monitor construction progress and prepare field observation reports
• Establish meetings and participate in reviews with various governing agencies for code compliance
• Coordinate workload, complete project assignments and deliverables on schedule
• Conduct virtual/on-site work sessions for projects with other disciplines, owners, clients, contractors, and stakeholders, including presentations
• Experience in developing project hours to complete mechanical design documents for RFPs
• Coordinate and assist affected disciplines with project addenda, RFIs, change proposal requests, and change orders, incorporating changes into project documents
• Develop plumbing riser diagrams
• Perform plumbing calculations (storm, drainage and supply fixture units)
• Size equipment and plumbing piping (pumps, water heaters, drainage pipes, natural gas piping, valves, etc.)
• Develop and edit Masterspec specifications to be project specific
• Work with the Project Manager, Regional Controller and Regional Director for project reviews with corporate management as needed
• Actively participate in the education of inexperienced engineers
• Other duties as required

• Bachelor’s Degree in Mechanical Engineering or Architectural Engineering with Mechanical Focus
• Understanding of applicable design codes and specification requirements
• Significant experience designing complex and large-scale laboratory and healthcare facilities and/or data centers
• Proficiency in Revit and Microsoft Office
• Experience using load calculation software, energy modeling software, and manufacturer equipment selection software
• Excellent organizational and communication skills
• Take ownership of assignments and work both independently and as part of a large project team
• Strongly motivated, well organized, and showing professional initiative
• Focused on client outcomes
• Candidate with strong mentoring skills is highly preferred
• Knowledge of Building Codes in Washington State and how to obtain building codes from other states
• Knowledge of Plumbing and HVAC Fundamentals and Design
• Previous experience with an A/E/C firm
• Active participation in industry organizations is encouraged

• Bachelor's degree in Mechanical Engineering
• A minimum of 10 years in mechanical system design of commercial or institutional…