Senior Mechanical Engineer - Building Engineering

HDR, Inc.; Pennington (NJ); On-site; USD 136,931 - 195,615; Full time

Benefits offered by this job

Medical, dental, vision

Disability insurance

Life insurance

Employee assistance program

Paid time off

Parental leave

Paid holidays

Retirement plan with employer match

Tuition reimbursement

Employee referral bonus

Job summary

HDR, Inc. is seeking a Senior Mechanical Engineer in Pennington, NJ to lead a mechanical design team across all project phases.

You will write specifications, review discipline interfaces, and select equipment based on fan curves and psychrometric HVAC analysis. The role requires a PE license, a strong background in large-scale laboratory, healthcare facilities, or data centers, and expert use of Revit, AutoCAD, and MS Office.

Qualifications

• 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

Responsibilities

• Lead the mechanical design team across all project phases from feasibility to close-out
• Write and edit mechanical specifications to fit project requirements
• Review mechanical documents for conflicts with other disciplines
• Understand fan and pump curves to select equipment for different applications
• Perform psychrometric calculations for HVAC system analysis
• Develop ductwork/piping sections and elevations
• Coordinate HVAC control requirements with controls engineers
• Visit project sites to verify conditions and monitor progress
• Coordinate workload and deliverables to meet schedule
• Conduct virtual/on-site sessions with stakeholders including presentations
• Develop project hours to complete mechanical design documents for RFPs
• Coordinate addenda, RFIs, change orders and incorporate changes into documents
• Collaborate with PMs and regional leaders for project reviews

Skills

Leadership

Communication

Mentoring

Client outcomes

Education

Bachelor's degree in Mechanical Engineering

PE or P.Eng license

Tools

AutoCAD

Revit

MS Project

Microsoft Office

Energy modeling software

Job description

Senior Mechanical Engineer

Primary Duties

• 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

Preferred Qualifications

• 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 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

Required Qualifications

• 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

We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success, which includes medical, dental, vision, short and long‑term disability, life insurance, an employee assistance program, paid time away, parental leave, paid holidays, a retirement savings plan with employer match, employee referral bonus and tuition reimbursement. The expected compensation range for this position depends upon skills, experience, education and geographical location. (Stated benefits are for full‑time regular positions. Temporary and part‑time roles eligible for limited benefits.) {Pennington, NJ}: $136,931 - $195,615; {New York, NY}: $148,138 - $211,625

Primary Location: United States‑New Jersey‑Pennington

Other Locations: United States‑New York‑New York

Industry: Building Engineering

Schedule: Full‑time

Employee Status: Regular

Job Posting: May 1, 2026