The Junior SCADA Field I/O Technician assists in the setup, testing, and maintenance of field-level input/output (I/O) devices connected to SCADA (Supervisory Control and Data Acquisition) systems. This role involves working hands-on with sensors, transmitters, actuators, and wiring, ensuring accurate signal transmission between the field and control systems.
Assist in field installation, wiring, and connection of I/O devices (analog and digital).
Support loop checking, signal testing, and troubleshooting during commissioning or maintenance.
Follow wiring diagrams and SCADA tag lists for field-to-panel signal verification.
Coordinate with control room/SCADA operators to validate proper tag values and data integrity.
Maintain documentation of wiring, loop test results, and field device status.
Escalate wiring, signal, or tagging issues to senior technicians or engineers.
Field I/O Device Support
Termination and basic configuration of:
Pressure, temperature, level, and flow transmitters
Proximity sensors, limit switches, solenoids
Signal Testing and Loop Checks
Use of basic tools (multimeter, loop calibrator) to verify:
4–20 mA analog signals
24VDC digital inputs/outputs
Open/short circuits
SCADA Tag Verification
Cross-check physical signals with SCADA/HMI display values
Support accurate tag mapping and point-to-point validation
Wiring and Panel Interface
Assist in termination and labelling at control panels, RTUs, or junction boxes
Follow electrical safety protocols and grounding practices
Documentation and Reporting
Maintain checklists, I/O test reports, and wiring logs
Update redline drawings during installation or changes
Education:
ITI or Diploma in Electrical / Instrumentation / Electronics / Mechatronics
Experience:
0–2 years in a related field (wiring, field instruments, SCADA support)
Skills:
Familiarity with basic electrical instruments and wiring standards
Ability to read loop diagrams, wiring drawings, and P&IDs
Team player with good communication and problem-solving skills