Senior Tunnel Supervisor

Job Description • Supervise day-to-day TBM tunneling operations (including Slurry and EPB systems), managing TBM assembly, initial drive, main drive conversion, and dismantling. • Oversee critical site preparation works, including bore piling, D-wall construction, open-cut excavations, and strut shoring methods. • Manage tunnel lining processes, including ring building, segment erection, and in-situ liner casting. • Coordinate and supervise ground improvement and grouting works, specifically jet pile and fissure grouting for TBM launching blocks. • Lead Cutter Head Interventions (CHI) and safely manage teams working in Compressed Air and Free Air environments. • Monitor daily mining parameters (e.g., thrust speed, torque, advance speed) and maintain accurate site records for water ingress, grout volume, and ring building. • Enforce rigorous site safety protocols, maintaining safe work procedures during heavy lifting, confined space entry, and general construction activities. Requirements: • Minimum qualification of a Diploma in Civil Engineering or a related technical discipline. • At least 10 years of progressive experience in civil construction, with extensive, direct involvement in large-scale underground infrastructure (such as metro rail or deep sewer tunnel projects). • Proven hands-on expertise in Slurry TBM operations, tunnel eye frame construction, and segment erection. • Must hold relevant safety certifications, including the Building Construction Supervisors Safety Tunneling Course and Confined Space Management (or equivalent local standards).