Senior CNC & PLC Maintenance Engineer – Aerospace

Jobot; Santa Ana (CA); On-site; USD 100,000 - 145,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) match

PTO & holidays

Job summary

Jobot is seeking a Senior Maintenance Technician to support CNC and PLC controls on a precision aerospace manufacturing floor in Santa Ana, CA. You will troubleshoot, repair, and maintain Siemens, Fanuc, and Allen-Bradley systems, diagnosing faults and interpreting complex control diagrams.

As a senior technician, you will lead root cause analyses, perform preventive maintenance, and document all actions in the CMMS while training teammates on best practices.

Qualifications

• Industrial maintenance experience with CNC and PLC controls.
• Technical diploma or associate degree in Electronics, Industrial Maintenance, Mechatronics, or related field.
• Senior-level technician; able to work overtime as required.

Responsibilities

• Own troubleshooting, repair, and maintenance of CNC and PLC-controlled equipment on the floor, coordinating with engineering, quality, and production to minimize downtime.
• Diagnose and repair faults on Siemens, Fanuc, and Allen-Bradley controls, including board-level diagnostics.
• Interpret electrical, pneumatic, and hydraulic schematics, ladder logic, and control diagrams.
• Lead root cause analysis and corrective actions on recurring equipment failures.
• Run preventive and predictive maintenance on critical manufacturing equipment.
• Document repairs and modifications in the CMMS and help train others on improved methods.

Skills

CNC maintenance

PLC troubleshooting

Electrical diagnostics

Schematics reading

Root cause analysis

Education

Technical diploma / associate degree in Electronics or Mechatronics

Tools

CMMS

Multimeter

Oscilloscope

Ladder logic

Job description

Jobot is seeking a Senior Maintenance Technician to support CNC and PLC controls on a precision aerospace manufacturing floor in Santa Ana, CA. You will troubleshoot, repair, and maintain Siemens, Fanuc, and Allen-Bradley systems, diagnosing faults and interpreting complex control diagrams.

As a senior technician, you will lead root cause analyses, perform preventive maintenance, and document all actions in the CMMS while training teammates on best practices.