CNC Programmer

Experience

2-5 Years

Location

Chennai/Bangalore

Key Responsibilities

• Develop, edit, and optimize CNC programs using Siemens SINUMERIK controllers (840D/828D or equivalent).
• Design, configure, and troubleshoot Siemens PLC programs for CNC machine tools and automated equipment.
• Work with TIA Portal for PLC programming, HMI configuration, and system diagnostics.
• Configure and validate machine safety systems in compliance with relevant safety standards (e.g., ISO 13849, IEC 62061).
• Set up and modify safety-related PLC functions (F-CPU/Fail-Safe programming) using TIA Portal Safety.
• Perform machine setup, tool offsets, and first-article inspection for new programs.
• Troubleshoot machine faults related to CNC control, PLC logic, drives, and safety circuits.
• Read and interpret mechanical drawings, electrical schematics, and GDT specifications.
• Maintain accurate documentation of programs, PLC logic, safety configurations, and machine parameters.
• Required Skills
• 3-5 years of experience as a CNC Programmer or in a similar role.

Hands-on experience with:

• Siemens SINUMERIK CNC Controllers
• Siemens S7 PLC Programming
• TIA Portal (PLC/HMI Programming Diagnostics)
• Siemens Safety Integrated / F-CPU Safety Configuration
• Siemens SINUMERIK ONE Controller
• Simulation Tools - Create MyVirtual Machine, Run MyVirtual Machine
• Ability to read and interpret electrical/mechanical schematics and G-code/M-code.
• Strong troubleshooting skills for CNC, PLC, and safety-related faults.
• Ability to work in Simulation environment.
• Understanding of machine safety standards (ISO 13849, IEC 62061, or equivalent).
• Strong analytical, problem-solving, and communication skills.
• Ability to work independently and in a team-based environment.

Preferred Skills (Added Advantage)

• Experience with SINAMICS drives and Siemens motion control systems.
• Familiarity with fieldbus communication protocols (PROFINET, PROFIBUS).
• Exposure to robotics integration or automated production cells.
• Siemens certification(s) in TIA Portal, PLC, or Safety programming.

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