TUNNEL ENGINEER

BACHY SOLETANCHE SINGAPORE PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

BACHY SOLETANCHE SINGAPORE PTE. LTD. is seeking an experienced Mechanical Engineer for tunnel construction projects in Singapore. You will manage TBMs, slurry and ventilation systems, and oversee safety-critical mechanical operations on site.

The role requires 4+ years in tunnel projects, strong problem-solving and communication skills, and hands-on ability to work in a fast-paced environment with cross-functional teams.

Qualifications

• Bachelor's degree in Civil Engineering or related discipline.
• Minimum 4 years of experience in tunnel or underground construction projects.
• Minimum 4 years of experience handling TBM, micro TBM, pipe roofing, slurry management, and ventilation systems.
• Experience working in a compressed air environment.
• Knowledge of mechanical principles, hydraulics, pneumatics, and instrumentation.
• Strong understanding of workplace safety standards.
• Hands-on, proactive, and able to work in a site-based, fast-paced environment.
• Strong communication, coordination, and problem-solving skills.

Responsibilities

• Manage and maintain mechanical equipment used in tunneling works, including TBMs, slurry systems, pumps, and compressors.
• Supervise tunnel and ground freezing procedures and activities.
• Monitor and execute tunnel methods and procedures.
• Coordinate routine maintenance, fault diagnosis, and troubleshooting to minimise downtime.
• Ensure availability of mechanical spare parts and tools for tunnel operations.
• Design, install, and maintain ventilation systems to ensure compliance with workplace safety and health standards.
• Monitor air quality and environmental conditions within the tunnel environment.
• Oversee slurry separation and handling systems, especially for mechanized tunnelling.
• Support in managing excavation systems, ensuring safe and stable face pressure is maintained during TBM operations.
• Implement and maintain mechanical instrumentation systems for monitoring ground movement, pressure, temperature, and vibration.
• Ensure calibration and data integrity of instruments used during tunnelling works.
• Ensure all mechanical systems and equipment meet statutory requirements and internal safety standards.
• Participate in risk assessments and method statement reviews related to mechanical operations.
• Work closely with civil, structural, and geotechnical teams to coordinate work interfaces.
• Maintain accurate maintenance logs, reports, and technical documentation.
• Support commissioning and testing of mechanical systems.
• Respond to mechanical failures during operations and lead timely resolution.
• Recommend improvements to increase equipment reliability and tunnel efficiency.

Skills

TBM experience

Tunnel/underground construction

Problem-solving

Coordination

Safety awareness

Communication skills

Hands-on

Education

Bachelor's degree in Civil Engineering

Tools

TBM equipment

Ventilation systems

Slurry management systems

Instrumentation & hydraulics

Job description

Job Responsibilities:

• Manage and maintain mechanical equipment used in tunnelling works, including TBMs, slurry systems, pumps, and compressors.
• Supervise tunnel and ground freezing procedures and activities.
• Monitor and execute tunnel methods and procedures.
• Coordinate routine maintenance, fault diagnosis, and troubleshooting to minimise downtime.
• Ensure availability of mechanical spare parts and tools for tunnel operations.
• Design, install, and maintain ventilation systems to ensure compliance with workplace safety and health standards.
• Monitor air quality and environmental conditions within the tunnel environment.
• Oversee slurry separation and handling systems, especially for mechanized tunnelling.
• Support in managing excavation systems, ensuring safe and stable face pressure is maintained during TBM operations.
• Implement and maintain mechanical instrumentation systems for monitoring ground movement, pressure, temperature, and vibration.
• Ensure calibration and data integrity of instruments used during tunnelling works.
• Ensure all mechanical systems and equipment meet statutory requirements and internal safety standards.
• Participate in risk assessments and method statement reviews related to mechanical operations.
• Work closely with civil, structural, and geotechnical teams to coordinate work interfaces.
• Maintain accurate maintenance logs, reports, and technical documentation.
• Support commissioning and testing of mechanical systems.
• Respond to mechanical failures during operations and lead timely resolution.
• Recommend improvements to increase equipment reliability and tunnel efficiency.

Job Requirements:

• Bachelor's degree in Civil Engineering or related discipline.
• Minimum 4 years of experience in tunnel or underground construction projects.
• Minimum 4 years of experience handling with tunnel boring machines (TBM), micro TBM, pipe roofing, slurry management, and ventilation systems.
• Have experience working with compressed air environment.
• Knowledgeable of mechanical principles, hydraulics, pneumatics, and instrumentation.
• Strong understanding of workplace safety standards.
• Hands‑on, proactive, and able to work in asite‑based, fast‑paced environment.
• Strong communication, coordination, and problem‑solving skills.