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Mechanical Assembler III

Nikkiso Clean Energy & Industrial Gases · California

📍 Murrieta, CAvia icimsPosted 2026-09-24
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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 escalate 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 Production, Quality, Engineering, Materials, and other departments to support manufacturing requirements. Perform other duties and responsibilities as assigned. Supervisory Responsibility This position has no direct supervisory responsibilities, but may serve as a mentor for lower level employees. Work Environment This job operates in a warehouse environment. This role routinely utilizes the operation of material handling equipment and various tools and machinery.  Physical Demands While performing the duties of this job, the employee is regularly required to talk or hear. Specific vision abilities required by this job include close vision and ability to adjust focus. This would require the ability to lift up to 50 pounds, and work with various materials and/or tools, as well as work and bend at different heights, in various temperatures, and be on feet for an extended period of time.  Qualifications Education and Experience High school diploma or GED required; technical or vocational training in mechanical assembly, manufacturing, industrial technology, or a related field preferred. Minimum 4–6 years of progressively responsible mechanical assembly, equipment assembly, manufacturing, or related industrial experience. Demonstrated experience independently completing complex mechanical assemblies using engineering drawings, BOMs, specificati

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