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Mechanical Assembler III

Job in Riverside, Riverside County, California, 92501, USA
Listing for: Nikkiso Cryogenic Industries
Full Time position
Listed on 2026-10-30
Job specializations:
  • Manufacturing / Production
    Assembly, Manufacturing & Industrial Operations
Salary/Wage Range or Industry Benchmark: 22.25 - 29.3 USD Hourly USD 22.25 29.30 HOUR
Job Description & How to Apply Below

Company Overview

Nikkiso Clean Energy & Industrial Gases is a leading provider of cryogenic pumps, heat exchangers, process systems, services, and solutions for the LNG and industrial gases industry. We are a subsidiary of Nikkiso Company Ltd, a leading industrial manufacturer headquartered in Tokyo, Japan, with over $1.5 B in annual revenue, 8000 + employees worldwide, and publicly traded on the Tokyo Stock Exchange.

Job

Overview

Summary

The Mechanical Assembler III is an experienced-level manufacturing position responsible for the assembly, installation, inspection, and testing of complex mechanical components, subassemblies, and equipment in accordance with engineering drawings, bills of materials (BOMs), work instructions, specifications, and company quality standards.

This position works independently with limited supervision and applies strong mechanical knowledge and assembly experience to complete complex assignments, identify and troubleshoot assembly issues, and support safe, efficient, and high-quality manufacturing operations. The Mechanical Assembler III may also provide technical guidance and support to less-experienced assemblers as needed.

Rate

$22.25/hr - $29.30/hr

Responsibilities

Essential Functions/Responsibilities

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • Independently assemble complex mechanical components, subassemblies, and equipment in accordance with engineering drawings, BOMs, specifications, and work instructions.
  • Read and interpret mechanical drawings, assembly drawings, diagrams, specifications, and other technical documentation.
  • Identify and verify components, materials, hardware, and tooling required to complete assigned assembly work.
  • Install and assemble valves, regulators, fittings, tubing, piping components, instrumentation, supports, brackets, and other mechanical components as applicable.
  • Perform mechanical fastening, fitting, alignment, installation, adjustment, and final assembly of components and equipment.
  • Use hand tools, power tools, pneumatic tools, torque tools, and other production equipment safely and effectively.
  • Use measuring equipment to verify dimensions, alignment, clearances, fit, and proper component installation.
  • Follow specified torque requirements, assembly sequences, cleanliness requirements, manufacturing procedures, and quality standards.
  • Perform assembly work associated with industrial gas, pressure-containing, cryogenic, or similar equipment in accordance with established procedures and training.
  • Maintain proper cleanliness and handling of components intended for gas, pressure, or other controlled service applications.
  • Perform in-process inspections to verify workmanship and conformance to drawings, specifications, and quality requirements.
  • Identify and troubleshoot mechanical assembly issues, fit-up problems, alignment concerns, incorrect components, and other production discrepancies with limited supervision.
  • Recognize conditions that could affect product quality, safety, cleanliness, or system integrity and elevate concerns as appropriate.
  • Identify and report damaged, defective, incorrect, or nonconforming materials and components.
  • Communicate drawing, material, or assembly discrepancies to Production, Quality, Engineering, Materials, or other appropriate personnel.
  • Complete and maintain accurate production documentation, travelers, work orders, inspection records, and other required documentation.
  • Maintain required material and component identification and traceability throughout the assembly process.
  • Assist with complex, non-routine, first-build, or new product assembly activities as assigned.
  • Support basic mechanical or functional testing of completed assemblies in accordance with established procedures and training.
  • Provide technical guidance and assembly support to less-experienced employees as needed.
  • Assist with training employees on established assembly methods, tools, procedures, safety requirements, and quality expectations.
  • Identify and recommend opportunities to improve assembly methods, tooling, workflow, safety, quality, and productivity.
  • Safely operate applicable production and material-handling equipment when properly trained and authorized.
  • Maintain tools and equipment in proper working condition and report damaged or unsafe equipment.
  • Maintain a clean, organized, and safe work area.
  • Consistently meet established safety, quality, productivity, and schedule expectations.
  • Work collaboratively with…
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