Cone Penetrometer (CPT) Rig Helper

Job Description

Job Description

Position Overview

Thompson Engineering is seeking a Cone Penetrometer Operator Helper to support the operation of our Cone Penetrometer Testing (CPT) rig for geotechnical and environmental site investigations. This role is essential to the success of our field operations, assisting in the collection and documentation of high-quality subsurface data. The ideal candidate will be dependable, safety-oriented, mechanically inclined, and willing to travel frequently to various project locations.

Essential Duties & Responsibilities

Assist the CPT Operator in the setup, operation, and maintenance of cone penetrometer testing equipment.

Prepare, organize, and secure the work area to ensure a safe and efficient testing environment.

Handle and assemble rods, cones, and associated tools during field investigations.

Support the collection, labeling, and recording of soil and subsurface data under the supervision of the Operator.

Load, transport, and unload equipment, supplies, and tools from company vehicles.

Conduct routine maintenance, cleaning, and inspection of field equipment and vehicles.

Adhere to all company safety policies, field protocols, and quality control standards.

Communicate effectively with field crews, supervisors, and clients to support daily operations.

Travel to job sites throughout the region, often requiring overnight stays.

Perform other duties as assigned to support project and team needs.

Minimum Qualifications

High school diploma or equivalent required.

1–3 years of experience in geotechnical or environmental drilling, construction, or a related field preferred.

Valid driver's license with an acceptable driving record.

Strong attention to detail and ability to follow written and verbal instructions accurately.

Basic mechanical aptitude and familiarity with hand and power tools.

Ability to work outdoors in all weather conditions and in varying field environments.

Willingness and flexibility to travel extensively, sometimes on short notice.

Physical Requirements

Ability to lift and carry up to 50 lbs. regularly.

Frequent standing, walking, bending, and stooping for extended periods.

Ability to work safely on uneven terrain and in variable site conditions.

Capability to operate and handle tools, rods, and mechanical parts safely and efficiently.

Ability to drive company vehicles to and from project sites.

About Thompson Engineering

Founded in 1953, Thompson Engineering is a trusted provider of geotechnical, environmental, and construction services across the Southeastern United States. We serve clients in industrial, transportation, commercial, and municipal sectors-delivering innovative solutions with an unwavering commitment to quality, safety, and reliability. Our team takes pride in building a safer, stronger, and more sustainable future-one project at a time.