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Mechanical Systems Engineer II - Manufacturing & Design Engineering

Honeywell
Honeywell Salary
Allentown, PA Full Time
POSTED ON 4/11/2026
AVAILABLE BEFORE 6/11/2026

The Honeywell Liquefied Natural Gas (LNG) Manufacturing and Design Engineering team designs and manufactures specialized Coil Wound Heat Exchangers and other natural gas liquefaction equipment. The equipment is designed by our engineering organization and fabricated at our manufacturing facility in Port Manatee, FL, or other domestic and international third-party facilities. Our customers utilize this equipment to liquefy extracted natural gas, significantly enhancing its transportability as an energy source to end users globally.

 

The Mechanical Systems Engineer II will be based in our Honeywell LNG Headquarters located in Allentown, PA on a hybrid basis. You will contribute to the LNG Manufacturing and Design Engineering (MDE) – Piping and Structural Design & Engineering (PSDE) team and other disciplines within the LNG organization.

  • For the first 90 days, New Hires must be prepared to work 100% onsite M-F.

 

The successful candidate will be one of the key members of the MDE team with responsibility for the selection, specification, and technical requisition of mechanical components within Honeywell LNG’s proprietary liquefaction systems. The candidate will be responsible for the specification and design of plant-size systems utilizing components including piping, fittings, valves, insulation, coatings, and specialty in-line items. Additionally, they will interpret regulatory and customer specifications, manage supply chain technical aspects, system pressure testing, and any design breaks.

 

The incumbent will ensure that all mechanical systems comply with engineering standards, industry standards, safety regulations, project specifications, and company policies. The position requires occasional domestic and international travel.

 

 

KEY RESPONSIBILITIES

  • Function as the Mechanical Systems Engineering Subject Matter Expert within the Honeywell LNG Organization. Interface with cross-functional disciplines such as Piping Design, Piping Stress Engineering, Process Controls, Machinery Engineering, Procurement, Process Safety, and Process Systems Engineering during Basic Engineering and Design or on projects from conceptual phase through project execution.
  • Develop and/or select specifications for piping, manual valves, control valves, insulation, coatings, and fittings for various fluid services, temperatures, and pressures related to LNG applications, creating new project or application-specific specifications, as necessary.
  • Maintain the library of Honeywell LNG mechanical component specifications, standards, selection processes, and review procedures, ensuring alignment with other Honeywell businesses, industry standards (ASME, API, EN), and regulatory requirements.
  • Review Piping and Instrumentation Diagrams (P&IDs) at every stage of a bid or project to ensure safe operation, start-up, shut-down, maintenance, and overall integrity based on material type, temperature, pressure, and service.
  • Create pressure test diagrams according to ASME B31.3 Code for Process Piping or similar industry codes.
  • Review changes in P&ID process scope and design, updating specified Mechanical System components accordingly.
  • Create pressure test diagrams according to ASME B31.3 Code for Process Piping or similar industry codes.
  • Review changes in P&ID process scope and design, updating specified Mechanical System components accordingly.
  • Manage technical requisition deliverables for manual valves, control valves, and other in-line piping equipment (such as strainers and other specialty inline components), reviewing vendor proposals and drawings, and qualifying new vendors.
  • Calculate required piping thickness based on internal and external pressures.
  • Collaborate with Process Engineering and Startup Team for the selection of control valves for LNG applications.
  • Review customer/EPC specifications, industrial standards, and regulatory requirements to align the scope of supply during project bid phase.
  • Participate in safety assessments and ensure adherence to environmental regulations throughout the design phase.
  • Occasionally participate in plant visits and international field repair trips.

Salary.com Estimation for Mechanical Systems Engineer II - Manufacturing & Design Engineering in Allentown, PA
$94,798 to $113,842
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