Senior Mechanical Engineer - Building Engineering

Senior Mechanical Engineer Primary Location

United States – New Jersey – Pennington

United States – New York – New York

Full-time

Regular

May 1, 2026

• 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 areas of conflict 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 as requested to verify existing conditions or as contractually required to 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 in conjunction with other disciplines, owners, clients, contractors, and other project stakeholders including presentations, etc.
• 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, and incorporate agreed-upon changes into the project documents
• Work with the Project Manager, Regional Controller and Regional Director for project reviews with corporate management as needed

• Open to Bachelor’s Degree in Mechanical Engineering or Bachelor's Degree in 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
• Preference is given to local candidates
• Previous experience with an A/E/C firm

• Bachelor's degree in Mechanical Engineering
• A minimum of 10 years in mechanical system design of commercial or institutional buildings
• Professional Engineer (PE or P.Eng) license
• Strong knowledge of Microsoft Office, MS Project and AutoCAD
• Demonstrated leadership skills, previous team coordination and project management experience
• Previous experience with an architectural/engineering or engineering consulting firm
• An attitude and commitment to being an active participant of our employee-owned culture is a must

At HDR, we are committed to the principles of employment equity. We are an affirmative action and equal opportunity employee. We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.