Industrial Automation PLC Programmer

PLC Programmer

reverse engineer existing PLC/HMI code, troubleshoot legacy systems, optimize performance, and implement enhancements

Key Responsibilities

• Program, configure, and troubleshoot

  PLC systems

  (Siemens, Mitsubishi, Allen Bradley).

• Reverse engineer legacy PLC/HMI programs

  , analyze logic, and implement modifications or upgrades.
• Design and develop

  HMI screens, SCADA dashboards, and DCS configurations

  .
• Integrate automation systems with

  sensors, actuators, CNC/Robotic machines, drives, and field devices

  .
• Conduct

  FAT (Factory Acceptance Test)

  ,

  SAT (Site Acceptance Test)

  , and on-site commissioning.
• Implement

  control logic, safety interlocks, and process automation flows

  .
• Collaborate with

  mechanical, electrical, and IT teams

  for seamless system integration.
• Maintain technical documentation including

  I/O lists, wiring diagrams, reverse-engineered code, and updated system architecture

  .
• Support

  Industry 4.0 initiatives

  such as

  IoT gateways, data acquisition, predictive maintenance, and MES/ERP integration

  .

Required Skills

• Strong knowledge of

  PLC programming

  (Ladder Logic, Function Block, Structured Text).
• Hands-on with

  Siemens TIA Portal, Mitsubishi GX Works, Rockwell Studio 5000

  .

• Ability to read, analyze, and enhance existing PLC/HMI code

  from legacy or undocumented systems.
• Experience with

  HMI development

  (WinCC, FactoryTalk, GT Designer, etc.).
• Familiarity with

  SCADA systems

  (WinCC, Wonderware, iFIX, Indusoft).
• Knowledge of

  DCS systems

  (Siemens PCS7, ABB, Honeywell preferred).
• Working with

  communication protocols

  : Modbus, Profibus, Profinet, Ethernet/IP, OPC UA.
• Exposure to

  IIoT platforms, MQTT, edge devices, and cloud integration

  .
• Strong debugging skills and ability to work on

  electrical schematics and control panels

  .

Desired Experience

• 1 to 5 years

  in Industrial Automation / Control Systems.
• On-site installation & commissioning experience in manufacturing plants.
• Experience in

  reverse engineering and upgrading PLC/HMI/SCADA systems

  .
• Industry background: Automotive, FMCG, Process Industries, Machine Tools, or Packaging.

Education

• B.E / B.Tech / Diploma

  in Electrical, Electronics, Instrumentation, or Automation Engineering.

What We Offer

• Exposure to

  cutting-edge Industry 4.0 and Smart Factory projects

  .
• Hands-on experience with

  latest PLCs, SCADA, and IIoT platforms

  .
• Opportunity to work with

  global clients & advanced manufacturing setups

  .
• Competitive compensation with performance-based incentives.