Mechanical Engineer - Building Systems & Design

HDR, Inc.; Pennington (NJ); On-site; USD 80,000 - 120,000; Full time

Job summary

HDR is seeking a Mechanical Engineer in Pennington, NJ, to support mechanical design projects in healthcare, lab, and data center facilities. Responsibilities include supporting project phases, writing specifications, and performing HVAC analysis. Ideal candidates will have a Bachelor's in Mechanical Engineering, a PE license, and experience in commercial building designs. The position is full-time, based in New Jersey, with regular employee status.

Qualifications

• Experience in mechanical system design of commercial or institutional buildings.
• Professional Engineer (PE) license.
• Previous experience with architectural/engineering firms.

Responsibilities

• Support mechanical design projects across various phases.
• Coordinate workload to complete project assignments on schedule.
• Write mechanical specifications to fit project requirements.

Skills

Revit

Microsoft Office

HVAC systems analysis

Education

Bachelor's degree in Mechanical Engineering

Tools

MS Office

Trane TRACE

Job description

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we work to weave diversity, equity, and inclusion into our work and foster a sense of belonging throughout the company and within our communities, we constantly ask ourselves: What is our impact on the world?

Watch Our Story: ' https://www.hdrinc.com/our-story'

Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

The Building Engineering Services Group (BES) provides mechanical, electrical, plumbing, site civil, structural and specialty design services for a wide variety of buildings that include public, municipal, private, and Federal project types across the region and globally. With a team of experienced staff in specific market sectors such as Healthcare, Science and Technology, Data Centers, Higher Education, Federal, Transportation, Water, and Resources facilities, we provide engineering excellence for our clients. We have an industry leading focus on sustainable design and energy conservation.

The HDR BES group in New Jersey is looking for aMechanical Engineerto join our team.

Primary Duties

• Support 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
• Is responsible to coordinate workload to complete project assignments and deliverables on schedule
• Participate inwork sessions at project site in conjunction with other disciplines, owners, contractors, and other project stakeholders
• Write and edit mechanical specifications to fit project requirements
• Understand fan and pump curves to properly select equipment for different applications
• Ability to 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 and/or plumbing system control requirements and intended modes of operation with controls engineers to develop control diagrams, point lists, and sequences of operation
• Review mechanical documents for areas of conflict with all disciplines
• Perform field work and verification of existing conditions where required
• Provide construction administration support by reviewing mechanical and/or plumbing submittals and answering RFIs
• Visit project sites as requested or as contractually required to monitor construction progress and prepare field observation reports

Preferred Qualifications

• Experience designing complex and large-scale healthcare, laboratory, and/or mission critical data center facilities
• Proficiency in Revit and Microsoft Office
• Experience using load calculation software, energy modeling software, and manufacturer equipment selection software
• Candidates who reside locally are preferred
• Previous experience with an A/E/C firm

#LI-JC7

Required Qualifications

• Bachelor's degree in Mechanical Engineering
• Previous experience in mechanical system design of commercial or institutional buildings
• Professional Engineer (PE) license
• Experience in commercial or institutional facilities
• Computer experience using MS Office, Trane TRACE or similar software, manufacturer selection software
• 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

What We Believe
HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment
As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

What We Believe
HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment
As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

Primary Location

Primary Location

: United States-New Jersey-Pennington

Schedule

Schedule

: Full-time

Employee Status

Employee Status

: Regular

BusinessClass : Building Mechanical

Job Posting

Job Posting

: May 1, 2026

At HDR, we are committed to the principles of employment equity.

We are an Affirmative Action and Equal Opportunity Employe r.

We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.

Ready to learn more? Let's work together to make great thingspossible.

We design solutions to the world's greatest challenges. We'realways looking for great talent to join our global teams.