TBM mechanics with a minimum of 11 years of experience are typically required to have a deep understanding of TBM components, systems, and maintenance procedures. Their qualifications may include: Mechanical Knowledge: Strong mechanical skills are essential, including expertise in hydraulic systems, engines, gearboxes, and other mechanical components of TBMs. Electrical Knowledge: Some TBMs have complex electrical systems, so familiarity with electrical components and systems is valuable. Troubleshooting Skills: Experienced TBM mechanics should be able to diagnose and repair mechanical and electrical issues efficiently. Safety Awareness: They should have a strong commitment to safety protocols, as working with heavy machinery can be hazardous. Experience: A minimum of 11 years of experience indicates a seasoned professional who has likely encountered a wide range of maintenance and repair challenges. Certifications: Relevant certifications in mechanical or electrical fields may be required or beneficial. Teamwork: Ability to work collaboratively with other maintenance and operational staff is crucial. Adaptability: Given the variety of TBMs and tunneling conditions, the ability to adapt to different environments and challenges is essential. Communication Skills: Effective communication with supervisors, engineers, and other team members is important for reporting issues and coordinating maintenance tasks.