Senior Engineering Geologist / Tunnel Engineer (On-Site)

Tectonic Engineering Consultants, Geologists & Land Surveyors, DPC; New York (NY); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Tuition reimbursement

Paid time off

Company holidays

401(k) with employer match

Comprehensive medical plans

Dental, vision and life insurance

Flexible Spending Accounts

Commuter benefits

Employee Assistance Program

Job summary

Tectonic Engineering Consultants, Geologists & Land Surveyors, DPC is seeking a Senior Engineering Geologist / Tunnel Engineer for a long-term field role in the New York City area. The candidate will map rock faces, assess rock mass quality, and guide temporary support decisions for excavation work using TBM and drill-and-blast methods.

The role emphasizes collaboration with tunnel engineers, field documentation, and technical leadership of field personnel across a multi-year project.

Qualifications

• Valid New York State Professional Geologist (P.G.) or Professional Engineer (P.E.) license required.
• Extensive hands-on underground construction experience including tunnels, caverns, shafts, or similar structures.
• Experience with rock face mapping and rock mass characterization/stability evaluation.
• Experience with rock reinforcement methods (rock bolts, shotcrete, grouting).
• Familiarity with TBM and drill-and-blast tunneling methods preferred.

Responsibilities

• Perform detailed geologic and rock face mapping during excavation cycles.
• Evaluate rock mass conditions, discontinuities and stability.
• Provide field observations for temporary support requirements with tunnel engineers.
• Recommend shotcrete and rock bolt patterns based on conditions.
• Inspect underground construction including tunnels, caverns, shafts, and adits.
• Document rock reinforcement, grouting, probing and permeability testing.
• Support instrumentation activities including deformation and vibration monitoring.
• Prepare daily field reports, geologic maps and logs.
• Review plans, specs and drawings for geotechnical relevance.
• Coordinate with engineers, contractors and clients on field conditions.
• Attend progress meetings and provide technical leadership to field staff.
• Geologist will map rock mass after excavation and support tunnel engineer in assessing rock quality.

Skills

Rock face mapping

Rock mass evaluation

Tunnel construction

Geotechnical reporting

Education

New York State P.G. license

P.E. license

Tools

Microsoft Excel

Microsoft Word

Job description

Tectonic Engineering Consultants, Geologists & Land Surveyors, DPC is seeking a Senior Engineering Geologist / Tunnel Engineer for a long-term field role in the New York City area. The candidate will map rock faces, assess rock mass quality, and guide temporary support decisions for excavation work using TBM and drill-and-blast methods.

The role emphasizes collaboration with tunnel engineers, field documentation, and technical leadership of field personnel across a multi-year project.