To perform Preventive Maintenance (PM) and Corrective Maintenance (CM) works, repairs, overhaul servicing on all Circle line Signaling Systems and Equipment in accordance with quality and safety standards.

• To operate safely and efficiently all Signal Measuring, Test Equipment, Instruments and Tools.
• To perform tasks in compliance with relevant procedures and instructions contained in Quality Procedures, Work Specifications, Work Instructions, Signal Standing Instructions, and any relevant change instructions disseminated.
• To comply with and exercise safety at all times in accordance with all Safety Procedures.
• To be responsible for the safety of self, peers at workplace; off and on trackside throughout working period.
• To carry‑out the role of PIC and PM duties and responsibilities.
• To be assigned to shift pattern (permanent night, 3 rotating shifts, day shifts...