ESSENTIAL FUNCTIONS Responsibilities include, but are not limited to: Perform detailed geologic and rock face mapping following excavation cycles; Evaluate rock mass conditions, characteristics, discontinuities, and overall stability; Work closely with tunnel engineering personnel to assess rock quality and provide field observations related to temporary support requirements; Provide technical input regarding shotcrete, rock bolts, and other rock reinforcement/support systems, including adjustments based on observed field conditions; Perform inspection and evaluation of underground construction involving tunnels, caverns, shafts, and adits; Observe and document rock reinforcement, rock mass grouting, probe hole drilling, permeability testing, and other geotechnical construction activities; Support geotechnical instrumentation activities, including deformation and vibration monitoring; Prepare detailed daily field reports, geologic maps, rock mapping records, boring/probe-hole logs, and other project documentation; Review plans, specifications, drawings, construction procedures, and other technical documents applicable to the work; Coordinate with project engineers, contractors, construction personnel, and client representatives regarding field conditions and construction activities; Attend project and progress meetings as required; and. QUALIFICATIONS Valid New York State Professional Geologist (P.G.) or Professional Engineer (P.E.) license required; Extensive professional experience in underground construction, including tunnels, caverns, shafts, and/or similar underground structures; Demonstrated hands-on experience with rock face mapping and rock mass characterization/stability evaluation; Experience with underground excavation support systems, including rock bolts, shotcrete, grouting, and related rock reinforcement methods; Experience with mined and bored tunnel construction strongly preferred; Familiarity with TBM and drill-and-blast tunneling methods preferred; Ability to interpret engineering drawings, specifications, geologic information, and construction documents; Strong technical writing and field documentation skills; Strong interpersonal and communication skills, with the ability to work effectively with contractors, engineers, clients, and other project stakeholders; Working knowledge of Microsoft Office, including Excel and Word; and.