Cryogenic & High-Pressure Mechanical Design Engineer

Nikkiso; Escondido (CA); On-site; USD 84,000 - 154,000; Full time

Job summary

Nikkiso is seeking a Mechanical Engineer III for its Escondido, CA location to design cryogenic and high-pressure systems, including P&ID development and project collaboration. In-person role with on-site responsibilities, involving piping, valve sizing, and system integration.

The candidate will perform thermodynamic and pipe flow calculations, support field start-up, and ensure project documentation is completed on schedule and within budget. Travel up to 25% may be required.

Qualifications

• Bachelor's Degree in Mechanical Engineering with 2 years experience or Master’s degree.
• Fluid transfer system knowledge, pump selection, and relief valve sizing.
• Ability to read and develop P&ID; familiarity with P&IDs.

Responsibilities

• Provide mechanical engineering design of cryogenic and high-pressure system.
• Meet key performance indicators, including completing all contractual obligations on schedule and within budget.
• Ability to work in team environment.
• Application of Engineering Design Codes, including but not limited to piping system design code and pressure vessel design codes.
• Responsible for component selection.
• Perform thermodynamic and pipe flow calculations.
• Support field start‑up and commissioning activities, including on‑site troubleshooting, system validation, and collaboration with operations and service teams.

Skills

Mechanical Engineering

P&ID reading

HAZOP/HAZID knowledge

AutoCAD/Inventor/SolidWorks

Team collaboration

Education

Bachelor's Degree in Mechanical Engineering

Master’s degree in Mechanical Engineering

Tools

AutoCAD

Inventor

SolidWorks

Job description

Nikkiso is seeking a Mechanical Engineer III for its Escondido, CA location to design cryogenic and high-pressure systems, including P&ID development and project collaboration. In-person role with on-site responsibilities, involving piping, valve sizing, and system integration.

The candidate will perform thermodynamic and pipe flow calculations, support field start-up, and ensure project documentation is completed on schedule and within budget. Travel up to 25% may be required.