Senior LNG & Industrial Mechanical Engineer (Lead)

Senior Mechanical/Process Engineer - LNG & Industrial - ( 194676 )

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?

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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.

HDR is seeking a Senior Mechanical/Process Engineer to support our growing portfolio of liquified natural gas (LNG), industrial gas, and hydrocarbon infrastructure projects across North America. This role is ideal for engineers with strong fundamentals in piping systems, pressure vessels, rotating equipment, or process systems who are interested in applying their experience to LNG and cryogenic applications.

The successful candidate will work with a multi-discipline group of engineers and technicians delivering engineering and design services for energy and industrial facilities. Projects include system upgrades, life extension, and new facility design. Direct LNG experience is not required; candidates with strong core mechanical engineering experience will be supported in developing LNG and cryogenic expertise.

In the role of Senior Mechanical/Process Engineer - LNG & Industrial Systems, we'll count on you to:

Develop mechanical and/or process system designs including P&IDs, equipment sizing, detailed design, and system calculations

Prepare equipment and design specifications and support procurement activities

Perform pipe stress analysis (AutoPIPE) and engineering evaluations

Support feasibility studies, conceptual design, and project cost estimating

Serve as a mechanical or discipline lead on multiple projects, coordinating with multi-discipline teams

Support bid evaluations, vendor coordination, and contractor interactions

Provide field support including site visits, inspections, and commissioning/start-up assistance

Support client presentations, proposals, and ongoing client relationship development

• Perform other duties as needed

Preferred Qualifications

Experience with LNG, cryogenic systems, or industrial gas facilities preferred

Experience with piping design and stress analysis tools such as AutoPIPE or Caesar II

Experience with hydrocarbon or industrial facility mechanical systems including rotating equipment, compressors, heat exchangers, and pressure vessels

Experience supporting feasibility studies and large-scale project development

Familiarity with 3D design tools such as NavisWorks, AutoCAD Plant 3D, or Revit

Experience with project scheduling tools such as Microsoft Project or Primavera

Demonstrated ability and interest to act as a Team Leader

Required Qualifications

• Bachelor's degree in Mechanical Engineering
• A minimum of 10 years 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.

• 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

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

Other Locations

Other Locations

: United States-Pennsylvania-Philadelphia, United States-Georgia-Atlanta, United States-North Carolina-Charlotte, United States-South Carolina-Greenville, United States-South Carolina-Charleston, United States-Massachusetts-Boston, United States-Colorado-Denver, United States-Alabama-Birmingham, United States-Connecticut-Rocky Hill, United States-Rhode Island-Providence, United States-New Hampshire-Bedford, United States-Georgia-Savannah, United States-Pennsylvania-Pittsburgh, United States-Texas-Houston

Schedule

Schedule

: Full-time

Employee Status

Employee Status

: Regular

Job Posting

Job Posting

: Jul 23, 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.

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