Mechanical System Design Engineer

Nikkiso Clean Energy & Industrial Gases provides cryogenic pumps, heat exchangers, process systems, services, and solutions for the LNG and industrial gases industry. The Mechanical System Design Engineer designs, specifies, integrates, and supports commissioning of auxiliary systems for turbomachinery and other rotating equipment, including lubrication, seal gas, cooling, instrumentation, controls, piping, and skid-mounted process equipment. The role also supports project execution, equipment specification, compliance, field troubleshooting, and reliability improvements.

Responsibilities:

• Design and develop auxiliary systems for turboexpanders, compressors, turbines, pumps, and rotating equipment
• Prepare process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), equipment layouts, and system architecture drawings
• Specify and size auxiliary equipment including:
• API lubrication oil systems
• Seal gas systems
• Coolers and heat exchangers
• Pumps and filtration systems
• Pressure vessels and accumulators
• Control valves and instrumentation
• Interconnecting piping systems
• Perform process calculations for flow, pressure drop, heat transfer, and equipment sizing
• Develop technical specifications, datasheets, bills of materials, and procurement packages
• Select equipment in accordance with customer requirements and industry standards
• Evaluate vendor quotations and review supplier engineering documentation
• Ensure compatibility and integration of mechanical, process, electrical, and control systems
• Support projects from proposal through commissioning
• Participate in design reviews, HAZOPs, customer meetings, and bid clarification meetings
• Coordinate engineering deliverables across multiple disciplines
• Manage technical interfaces with customers, EPC contractors, and equipment suppliers
• Provide technical support during manufacturing, assembly, factory acceptance testing (FAT), and startup activities
• Define instrumentation requirements and control philosophies for turbomachinery packages
• Develop control narratives and cause-and-effect documentation
• Support PLC/DCS interface requirements
• Review control logic for process and machinery protection systems
• Ensure designs comply with applicable standards, including:
• API 614
• API 617
• API 661
• API 670
• ASME Section VIII
• ASME B31.1 and B31.3
• ISA standards
• Customer specifications and project requirements
• Participate in design verification and quality reviews
• Support installation, commissioning, troubleshooting, and performance testing
• Investigate field issues and develop engineering solutions
• Provide aftermarket support for operating equipment
• Support root-cause analyses and reliability improvement initiatives

Requirements:

• Bachelor's degree in Mechanical Engineering, Chemical Engineering, Petroleum Engineering, or related engineering discipline
• 3-5 years' experience working as an instrument and control engineer especially in turbo machinery
• Knowledge of the National Electric Code (NEC), UL, International Electrical Standards (IEC), CE Directives, ATEX, etc., ISA Standards, Hazardous codes, CSA electrical panel safety codes and SIS
• Application of the above standards to cryogenic pumps and turboexpander control systems
• Demonstrate an excellence interpersonal skills including communication, be a self-starter, have a positive make-happen attitude, to be able to handle multiple tasks, and be a team player
• Demonstrate the ability to self-improvement