Mechanical Engineer

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 foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch 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. We believe building engineering is more than systems and structures, it’s about powering progress and enabling innovation. As part of HDR’s Building Engineering Services Group, you’ll help design the critical infrastructure that supports the digital age and shapes the spaces where people work, connect, and thrive. From high-performance data centers driving the future of AI to dynamic commercial environments, your work will directly support technological advancement, sustainability, and human experience. We bring together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration. Whether you're 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. 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 Boston is looking for a Mechanical Engineer to 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 Computer experience using MS Office, IES VE or similar HVAC load and performance software, REVIT/BIM modeling software. Experience using load calculation software, energy modeling software, and manufacturer equipment selection software Candidates who reside locally are preferred #LI-JC7 Required Qualifications Bachelor's degree in Mechanical Engineering or Architectural Engineering with a mechanical emphasis Previous experience in mechanical system design of commercial or institutional buildings Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license. Experience in commercial or institutional facilities 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. Required Qualifications Bachelor's degree in Mechanical Engineering or Architectural Engineering with a mechanical emphasis Previous experience in mechanical system design of commercial or institutional buildings Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license. Experience in commercial or institutional facilities 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. 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.) {Boston, MA}: $96,600 - $158,700 Primary Location Schedule Full-time Employee Status Regular BusinessClass : Building Mechanical Job Posting Aug 21, 2026 At HDR, we are committed to the principles of employment equity. We are an Aff… 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. #J-18808-Ljbffr