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PLC programmer

MEDIUM Demand

A Day in the Life

You program, commission, and maintain Programmable Logic Controllers (PLCs) that automate industrial machinery — writing ladder logic or structured text programs to control production processes.

  • Write PLC programs in ladder logic, function block diagram, or structured text
  • Commission new automated systems — test sequences, interlocks, and safety functions
  • Modify existing PLC programs to implement process improvements or machine changes
  • Diagnose PLC-related production faults — I/O failures, sequence errors, communication issues
  • Configure SCADA/HMI screens to display process data and alarms
  • Document PLC programs, I/O lists, and control philosophy documents
  • Set up industrial network communications (Profibus, Profinet, EtherNet/IP, Modbus)
  • Train maintenance technicians on basic PLC fault diagnosis

Work Environment

OFFICETeam: SMALLBUSINESS CASUALRemote: MEDIUM

Engineering office and factory floor. PLC programmers split time between office-based programming tasks and factory floor commissioning, testing, and fault diagnosis. In Sri Lanka, PLC programming expertise is concentrated in automation integrators, FTZ manufacturing companies, and the government industrial sector.

Skills Required

Required

Industrial Automation & Control Systems

Preferred

Electrical Circuit Design

Technical Skills

PLC programming — ladder logic, FBD, structured text (IEC 61131-3)HMI/SCADA configuration (Siemens WinCC, Ignition, FactoryTalk)Industrial networking (Profinet, EtherNet/IP, Modbus TCP)Electrical panel reading and wiring diagram interpretationSafety PLC and SIL-rated system programming

Soft Skills

Logical thinking and systematic debuggingAttention to documentation and version controlCommunication with mechanical engineers and operatorsSelf-directed learning on new platformsAbility to work calmly under commissioning pressure

How to Qualify in Sri Lanka

View all paths →

At a Glance

SL DemandMEDIUM
Remote WorkMEDIUM

Sectors

Private

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Frequently Asked Questions

You program, commission, and maintain Programmable Logic Controllers (PLCs) that automate industrial machinery — writing ladder logic or structured text programs to control production processes.

Key skills for a PLC programmer in Sri Lanka: Industrial Automation & Control Systems. Important soft skills: Logical thinking and systematic debugging, Attention to documentation and version control, Communication with mechanical engineers and operators.

Engineering office and factory floor. PLC programmers split time between office-based programming tasks and factory floor commissioning, testing, and fault diagnosis. In Sri Lanka, PLC programming expertise is concentrated in automation integrators, FTZ manufacturing companies, and the government industrial sector.