Tunnel Boring Machine (TBM) Mechanic

OBAYASHI - JAY DEE, JV is seeking an experienced Tunnel Boring Machine (TBM) Mechanic to provide essential support for our tunnel project in Manchester, NH. This position reports to the Foreman and plays a key role in maintaining site safety and efficiency. This is an hourly, nonexempt position. Start pay at $56/hour DOE.

Responsibilities

• Perform diagnostics, preventative maintenance, and repairs on the Tunnel Boring Machine (TBM) and related equipment (pumps, drive systems, gearboxes, valves, etc.).
• Performing field repairs and executing preventative maintenance to keep the machine operating at full capacity.
• Maintain accurate maintenance records and documentation.
• Effectively communicate with management, supervisors, and engineering staff.

Work Environment & Requirements

• Work in above- and underground environments, including confined spaces and all weather conditions.
• Exposure to noise, dirt, moisture, and temperature extremes.
• Physically demanding role requiring strength, stamina, and sustained activity (climbing, balancing, material handling).
• Ability to lift at least 40 lbs. unassisted.
• Must be able to stoop, bend, crawl, twist, and maneuver in tight spaces.
• Requires manual dexterity for handling tools and small components.
• Willingness to work shifts, including nights, weekends, overtime, and emergency on-call as needed.
• Optional participation in hyperbaric (pressurized) work environments up to 36 psi.
• Ability to maintain composure in high-pressure situations and work effectively in a team with engineers, geologists, operators, and safety staff.

Qualifications

• Safety Orientation: A strong commitment to safety protocols and the ability to comply with all federal and state safety regulations (OSHA 10 certification is required).
• Mechanical Aptitude: Familiarity with operating and maintaining a range of tools and equipment.
• Experience: 5 years of experience as a TBM Mechanic with applicable certifications.
• Problem solving: Analytical thinking that gets to the root cause of the problem and comes up with a permanent solution.
• Soft Skills: Strong communication skills, the ability to work effectively in a team, attention to detail, and problem-solving abilities are essential.
• Education: A high school diploma or equivalent is preferred.

Preferred Skills

• Experience with tunnel-specific equipment (TBM, locomotives, slurry systems).
• Familiarity with underground construction practices.
• Ability to read engineering drawings, blueprints, and schematics.

Applicants must be authorized to work in the United States. This position is not eligible for sponsorship.

BENEFITS

Obayashi Offers Competitive Market Salaries and a Benefits Package including:

• Medical PPO Plan
• Dental DPO Plan
• Vision Insurance
• Employee Life Insurance & Accidental Death & Dismemberment (AD&D)
• Disability Insurance
• Paid Sick Leave
• Paid Time Off
• 401(k) Plan Matching

About Obayashi

Obayashi Corporation has delivered quality solutions to infrastructure challenges across the globe for more than 130 years. Founded in 1892, Obayashi is the largest Japanese Contractor and the fourth-largest International Contractor conducting business in the United States. Obayashi has been operating and completing projects in the United States since 1979. Obayashi provides a full range of general contractor services in both public works and private sectors including: office buildings, residences, tunnels, highways, rail systems, bridges, artificial islands, airports and nuclear power plants. Other services include urban planning and architecture, real estate and property development, environmental, and waste services. The North American Operations consolidated revenue is over $3 billion in the United States and Canada.

Equal Opportunity Employer

Obayashi Corporation is an equal opportunity employer and makes employment decisions on the basis of merit. 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 those characteristics or is 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 all persons 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 (650) 952-4910.