Mechanical System Design Engineer

Nikkiso Clean Energy & Industrial Gases

Turbomachinery auxiliary systems engineer designing cryogenic and industrial gas equipment for Nikkiso. Developing controls, specifications, process diagrams, and commissioning solutions for rotating equipment.

Posted 8/11/2026full-timeRemote • California • 🇺🇸 United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and developing auxiliary systems for turbomachinery, including compressors and turbines, while ensuring compliance with industry standards. Proficient in process calculations, technical specifications, and providing support throughout project lifecycles from proposal to commissioning.

Highest-signal resume keywords

Bachelor's Degree In Mechanical Engineering3–5 Years Experience In Instrument And Control EngineeringKnowledge Of NEC, UL, IEC, CE DirectivesExperience With Cryogenic Pumps And Turboexpander Control SystemsExcellent Interpersonal And Communication Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Process CalculationsTechnical Specifications DevelopmentEquipment SizingControl System IntegrationPFDs And P&IDs PreparationInstrumentation Requirements DefinitionControl Narratives DevelopmentRoot-Cause AnalysisReliability Improvement InitiativesVendor Quotation Evaluation

Soft Skills

Excellent Interpersonal SkillsPositive Make-Happen AttitudeTeam PlayerSelf-StarterCommitment To Safety

Tools & Technologies

PLCDCSControl Logic ReviewEngineering Software

Industry Keywords

TurbomachineryCryogenic PumpsTurboexpandersHazardous CodesCSA Electrical Panel Safety CodesSISHAZOPs

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Design and develop auxiliary systems for turboexpanders, compressors, turbines, pumps, and rotating equipment
Prepare PFDs, P&IDs, equipment layouts, and system architecture drawings
Specify and size lubrication oil systems, seal gas systems, coolers, heat exchangers, pumps, filtration systems, pressure vessels, accumulators, control valves, instrumentation, and piping
Perform process calculations for flow, pressure drop, heat transfer, and equipment sizing
Develop technical specifications, datasheets, bills of materials, and procurement packages
Select equipment, evaluate vendor quotations, and review supplier engineering documentation
Ensure mechanical, process, electrical, and control system compatibility and integration
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, 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 and review control logic
Ensure designs comply with applicable industry standards and customer specifications
Participate in design verification and quality reviews
Support installation, commissioning, troubleshooting, and performance testing
Investigate field issues and develop engineering solutions
Provide aftermarket support and support root-cause analyses and reliability improvement initiatives

Requirements

What you’ll need

Bachelor’s degree in Mechanical Engineering, Chemical Engineering, Petroleum Engineering, or a related engineering discipline
3–5 years’ experience as an instrument and control engineer, especially in turbomachinery
Knowledge of NEC, UL, IEC, CE Directives, ATEX, ISA standards, hazardous codes, CSA electrical panel safety codes, and SIS
Experience applying these standards to cryogenic pumps and turboexpander control systems
Excellent interpersonal and communication skills
Self-starter with a positive make-happen attitude
Ability to handle multiple tasks and work as a team player
Demonstrated ability to self-improve
Commitment to safety
Ability to talk or hear, with close vision and ability to adjust focus
Ability to lift files, open filing cabinets, and bend or stand on a stool as necessary

Benefits

Comp & perks

Equal opportunity employer committed to diversity and an inclusive environment
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