TBM Mechanical Superintendent

OBAYASHI JAY DEE JV

OBAYASHI JAY DEE JV is seeking an experienced TBM Mechanical Superintendent responsible for overseeing all mechanical operations, maintenance, repairs, and troubleshooting for the Tunnel Boring Machine (TBM) and associated mechanical systems on the Cemetery Brook Drain Tunnel Project. This role ensures safe, efficient, and continuous TBM operation by leading mechanical crews, coordinating with field leadership, and maintaining compliance with project specifications, safety standards, and equipment performance requirements.

This role will report to the General Superintendent based in Manchester, New Hampshire.

• Supervise and lead mechanical crews responsible for TBM maintenance, inspections, and repairs.
• Ensure safe and efficient performance of TBM mechanical systems, including hydraulics, conveyors, ventilation, and gantries.
• Troubleshoot mechanical issues to minimize downtime and maintain production targets.
• Coordinate daily with field supervisors, electrical teams, and project engineering.
• Maintain accurate logs, reports, and preventive maintenance schedules.
• Enforce safety protocols, including LOTO, JHAs, and site safety procedures.
• Support equipment commissioning and demobilization activities.

• 8+ years of mechanical experience on heavy civil, underground, or tunneling projects.
• 5+ years direct experience with TBM operations (EPB, slurry preferred, or hard‑rock TBMs).
• Strong knowledge of hydraulic, pneumatic, mechanical, and rotating equipment systems.
• Experience supervising field crews in a tunneling or mining environment.
• Ability to read mechanical drawings, TBM manufacturer manuals, and equipment schematics.
• Strong commitment to safety and high-risk environment protocols.

• Experience on large‑diameter pressurized-face TBM projects or drainage/water conveyance tunnels.
• Prior work on municipal infrastructure or similar underground drainage projects.
• Trade school, technical certificate, or Mechanical Engineering coursework.

• Work on-site Monday through Friday from 7:00 AM to 5:00 PM, with occasional overtimes on weekdays, Saturday & Sunday work as needed.

• Medical PPO Plan
• Vision Insurance
• Health Savings Account
• Flexible Spending Account
• Paid Holidays
• Paid Time Off
• Employee Assistance Program
• Life Insurance & Disability Insurance
• 401K Matching

Employee benefits are 100% covered by Obayashi and family coverage is covered at 80%.

Obayashi Corporation is an equal opportunity employer and makes employment decision son the basis ofmerit. We want to have the best available persons in every job. Company policy prohibits unlawful discrimination based on race, color, creed, gender, religion, marital status, registered domestic partner status, age, national origin or ancestry, physical or mental disability, medical condition including genetic characteristics, sexual orientation, or any other consideration made unlawful by federal, state, or local laws.

It also prohibits unlawful discrimination based on the perception that anyone has any of thosecharacteristics, oris associated with a person who has or is perceived as having any of those characteristics. The Company is committed to compliance with all applicable laws providing equal employment opportunities. This commitment applies to allpersons involved in Company operations and prohibits unlawful discrimination by any employee of the Company, including supervisors and coworkers.

To comply with applicable laws ensuring equal employment opportunities to qualified individuals with a disability, the Company will make reasonable accommodations for the known physical or mental limitations of an otherwise qualified individual with a disability who is an applicant or an employee unless undue hardship would result. If you need accommodation to complete the application process, please contact the Human Resources Department by either visiting Obayashi Corporation at 950 Tower Lane, Ste 800, Foster City, CA 94404 or call .

Equal Opportunity Employer, including disabled and veterans.