LNT/PM/1726124

- HCI-Heavy Civil Infrastructure
- Chennai

- Posted On 02 May 2026

- End Date 29 Oct 2026

- Required Experience8 - 15 years

Skills

Knowledge & Posting Location

Electrical TBM & Tunnel

Minimum Qualification

Bachelor Of Electrical Engineering (BEE)

Job Description

Key Responsibilities

PLC & Control System Management

- Manage and maintain PLC systems, HMI/SCADA interfaces, and communication networks of EPB TBMs and backup systems.
- Diagnose and rectify PLC, automation, and control?related faults to minimize TBM downtime.
- Monitor real?time TBM data, alarms, and trends to identify system abnormalities and performance issues.
- Ensure proper functioning of sensors, instrumentation, encoders, and feedback systems integrated with the PLC.

Operational Support

- Provide technical support to TBM Operators, Shift Managers, and Engineers for control?system?related issues.
- Support commissioning, start?up, and troubleshooting of TBMs and auxiliary systems.
- Assist in adjusting control logic and parameter settings in coordination with TBM OEMs and tunnel management.

Coordination with OEMs & Contractors

- Interface with TBM manufacturers, automation vendors,



and specialist contractors for system upgrades, modifications, and fault resolution.
- Review OEM documentation, PLC logic diagrams, I/O lists, and software updates.

Maintenance & Reliability

- Develop and implement preventive and predictive maintenance plans for PLC systems and automation components.
- Maintain proper backups of PLC programs, HMI configurations, and system software.
- Ensure cybersecurity and access control measures for TBM automation systems.

Documentation & Reporting

- Maintain detailed records of PLC faults, corrective actions, system changes, and software revisions.
- Prepare reports on control system performance, downtime analysis, and improvement recommendations.
- Support incident investigations and root?cause analysis related to automation failures.

Safety & Compliance

- Ensure PLC systems function in compliance with project safety standards, interlock logic, and emergency systems.
- Support safety?critical systems such as emergency stops, fire detection interfaces, and alarm systems.

📌 PLC Manager (India)
🏢 Larsen and Toubro
📍 India