Field Driller’s Assistant: Rig Operation & Sampling

LaBella Associates; South Dakota; On-site; USD 57,308,000 - 74,501,000; Full time

Benefits offered by this job

Health/Dental/Vision Insurance

401k Plan with Employer Match

Paid Time Off

Tuition Reimbursement

Wellness Program

Profit Sharing

Referral Bonus Program

Flexible Work Schedule

Team Building Events

Job summary

LaBella Associates is seeking a motivated Driller’s Assistant to join our environmental and geotechnical drilling team. You will work with a Lead Driller to operate drilling rigs, collect soil and groundwater samples, and install monitoring equipment.

This is outdoor field work demanding strong mechanics and safety discipline. You will assist in rig setup, sampling, well installation, decontamination, and routine maintenance while traveling for regional projects as required.

Qualifications

• 1+ years experience in environmental, geotechnical, or construction drilling.
• Ability to lift up to 75 lbs and work outdoors in all weather.
• Valid Driver's License; CDL on a plus.
• OSHA 40-Hour HAZWOPER certification desirable but not required at hire.
• Willingness to travel overnight for regional projects.

Responsibilities

• Assist Lead Driller with rig setup and operation.
• Collect soil cores and groundwater samples; log results.
• Install groundwater monitoring wells, piezometers, and vapor pins.
• Decontaminate tools between boreholes to prevent cross‑contamination.
• Perform daily maintenance on rigs, pumps and equipment.
• Mix and pump bentonite grout; patch surfaces as needed.

Skills

Rig setup

Sampling & logging

Well installation

Safety compliance

Physical stamina

CDL driving

Teamwork

Education

OSHA 40-Hour HAZWOPER certification

Tools

Geoprobe

Hollow-stem auger

Direct-push rigs

Piezometers

Job description

LaBella Associates is seeking a motivated Driller’s Assistant to join our environmental and geotechnical drilling team. You will work with a Lead Driller to operate drilling rigs, collect soil and groundwater samples, and install monitoring equipment.

This is outdoor field work demanding strong mechanics and safety discipline. You will assist in rig setup, sampling, well installation, decontamination, and routine maintenance while traveling for regional projects as required.