Senior Mechanical Assembler — Precision Production Expert

Nikkiso; Murrieta (CA); On-site; USD 30,000 - 41,000; Full time

Job summary

Nikkiso Clean Energy & Industrial Gases is seeking a Production Worker III to join its manufacturing team. You will read blueprints, perform complex assembly and fabrication, and verify components meet tolerances with precision.

This senior-level role requires strong mechanical aptitude, independent work, and adherence to safety procedures in a manufacturing environment. The position offers a pay rate of $22–$30 per hour and does not include direct supervisory responsibilities.

Qualifications

• High school diploma or equivalent required.
• 3–5 years manufacturing/assembly experience preferred.
• Experience interpreting blueprints and drawings.
• Ability to work independently with minimal supervision.
• Strong mechanical aptitude.

Responsibilities

• Read, understand, and independently follow blueprints, engineering drawings, schematics, work instructions, BOMs, and other production documentation.
• Perform complex assembly and production activities involving components, subassemblies, and finished products.
• Position, align, fit, and assemble parts and components according to specifications and tolerances.
• Accurately interpret dimensions, measurements, tolerances, and other technical requirements.
• Use hand tools, power tools, measuring instruments, machinery, and production equipment safely and effectively.
• Measure and verify components and completed assemblies to confirm compliance with specifications and quality requirements.
• Identify improper fit-up, incorrect components, dimensional discrepancies, damaged materials, and other concerns.
• Perform routine troubleshooting and make appropriate adjustments within scope.
• Report safety hazards and production issues to supervisor or support functions.
• Work with limited supervision while maintaining productivity, quality, and safety standards.
• Follow manufacturing processes and identify opportunities for improvements.
• Complete production documentation accurately and timely.
• Coordinate with other production employees to support assemblies and finished products.
• Assist with setup, operation, and proper use of tools and equipment within qualifications.
• Provide guidance to less-experienced workers as needed.
• Maintain an organized, clean, and safe work area.
• Follow safety procedures and use PPE.
• Identify and report hazards, malfunctions, and discrepancies.
• Support production schedules by adapting to changes.

Skills

Mechanical aptitude

Blueprint reading

Attention to detail

Independent worker

Education

High school diploma or equivalent

Tools

Hand tools

Power tools

Measuring instruments

Machinery operation

Job description

Nikkiso Clean Energy & Industrial Gases is seeking a Production Worker III to join its manufacturing team. You will read blueprints, perform complex assembly and fabrication, and verify components meet tolerances with precision.

This senior-level role requires strong mechanical aptitude, independent work, and adherence to safety procedures in a manufacturing environment. The position offers a pay rate of $22–$30 per hour and does not include direct supervisory responsibilities.