Mainline Excavator Operator (CAT 340) – Underground Utilities

Turner-Mining-Group-LLC; Frederick (MD); On-site; USD 65,000 - 90,000; Full time

Job summary

Turner-Mining-Group-LLC is seeking a Mainline Excavator Operator – Underground Utilities (CAT 340) for a direct placement in Hagerstown, MD. The operator will control a CAT 340 to dig deep mainlines to exact line and grade, install trench boxes, place structures, and lead safety for the ditch crew.

You will work with Team Lead and grade checkers to meet daily production targets, perform daily equipment logs, and conduct pre/post-trip inspections while maintaining safety on underground utility

Qualifications

• Minimum 3 years of hands-on experience operating heavy excavators on underground utility and mainline pipelaying projects.
• Pipelaying expertise in trenching to line and grade, setting structures, and deep utility excavations.
• Active OSHA 10 certification and a valid Driver's License are required.
• Technical ability to set, advance, and step trench boxes safely around working ground crews.

Responsibilities

• Precision Mainline Trenching: Operate a CAT 340 (Mainline Configuration) to dig trenches to tight line and grade tolerances for underground utility systems (water, sewer, storm).
• Shored Trenching & Structure Setting: Expertly set, align, and advance heavy trench boxes/shoring while picking and setting pipe sections and utility structures.
• Crew Safety Leadership: Work directly over and in constant rhythm with the pipe crew inside open trenches, maintaining top-tier situational awareness.
• Daily Logging & Maintenance: Complete required daily equipment logs, perform pre- and post-trip walkarounds, check fluid levels, and report maintenance needs.
• Team Collaboration: Work in close partnership with your Team Lead and grade checkers to safely meet daily production targets.

Skills

Heavy equipment operation

Trenching to line and grade

OSHA 10 certified

Driver's license

Safety leadership

Job description

Turner-Mining-Group-LLC is seeking a Mainline Excavator Operator – Underground Utilities (CAT 340) for a direct placement in Hagerstown, MD. The operator will control a CAT 340 to dig deep mainlines to exact line and grade, install trench boxes, place structures, and lead safety for the ditch crew.

You will work with Team Lead and grade checkers to meet daily production targets, perform daily equipment logs, and conduct pre/post-trip inspections while maintaining safety on underground utility