Construction Services Representative & Geotechnical Field Technician

Greatriv; Missouri; On-site; USD 45,000 - 65,000; Full time

Job summary

Greatriv is seeking a Construction Services Representative & Geotechnical Field Technician to support both construction inspection and geotechnical drilling operations. This role collaborates with engineers, geologists, drillers, contractors, and project managers to ensure quality control, data accuracy, and safe field operations on a variety of projects.

The position blends field inspection with drilling assistance, materials testing, documentation, and contractor coordination, playing a key

Qualifications

• High school diploma or equivalent.
• Ability to lift 50+ pounds.
• Familiarity with construction principles and/or civil engineering practices.
• Physically fit and able to work outdoors in varying weather conditions.
• Mechanical aptitude and ability to use hand tools.

Responsibilities

• Read and interpret plans, details, specifications, and other contract documents.
• Recognize and report deviations from contract documents.
• Provide accurate daily inspection reports and photo documentation.
• Perform field materials sampling and testing (concrete slump, air content, compressive specimens, compaction and moisture testing, aggregate gradation).
• Review and approve contractor applications for payment and change orders, including quantities measurement.
• Check layout and dimensions of work using appropriate tools.

Skills

Plan reading

Data collection

Team collaboration

Physical stamina

Education

High school diploma

Tools

AutoCAD

MicroStation

Job description

Job Description

Construction Services Representative & Geotechnical Field Technician

SUMMARY

We are seeking a highly motivated, detail-oriented Construction Services & Geotechnical Field Technician to support both construction inspection and geotechnical drilling operations. This role works closely with engineers, geologists, drillers, contractors, and project managers to ensure quality control, accurate data collection, contract compliance, and safe field operations across a variety of construction and infrastructure projects.

This position combines field inspection responsibilities with geotechnical drilling assistance, materials testing, documentation, and contractor coordination. The successful candidate will play a critical role in ensuring project quality, safety, and compliance.

ESSENTIAL FUNCTIONS

Construction Inspection & Materials Testing

• Read and interpret plans, details, specifications, and other contract documents.
• Recognize and report deviations from contract documents.
• Provide accurate and thorough daily inspection reports and photo documentation.
• Perform field materials sampling and testing including concrete slump and air content, concrete compressive specimens, compaction and moisture testing, and aggregate gradation.
• Review and approve contractor applications for payment and change orders, including measuring and calculating quantities.
• Check layout and dimensions of work using appropriate tools and instruments.

Geotechnical Drilling & Field Support

• Assist in the setup and breakdown of drilling equipment and machinery at job sites.
• Load and unload drilling tools, rods, and equipment onto drilling rigs.
• Support drilling operations to collect soil and rock samples according to project requirements.
• Assist in logging and describing soil and rock samples retrieved during drilling.
• Conduct basic geotechnical laboratory tests under guidance of senior staff.
• Assist in documenting drilling progress, site conditions, and issues encountered.
• Perform routine maintenance and inspection of drilling equipment.
• Maintain a clean and organized drilling site, including proper disposal of cuttings and waste.
• Follow all company safety policies and health and safety protocols.
• Collaborate with engineers, project managers, contractors, and team members to achieve project goals.

EDUCATION & EXPERIENCE

Minimum Requirements

• High school diploma or equivalent.
• Ability to lift 50+ pounds.
• Familiarity with construction principles and/or civil engineering practices.
• Physically fit and able to work outdoors in varying weather conditions.
• Mechanical aptitude and ability to use hand tools.

Preferred Qualifications

• MoDOT Technician Certification or similar.
• Experience with AutoCAD or MicroStation.
• Experience with land surveying practices.
• Previous experience in construction, drilling, or outdoor labor.
• Basic understanding of geotechnical concepts and drilling methods.

WORK ENVIRONMENT

Work is performed in office settings, laboratories, active construction sites, and geotechnical drilling sites. Work may involve exposure to outdoor weather conditions, heavy equipment, and active construction operations.

PHYSICAL DEMANDS

• Frequently lift or move objects up to 50 pounds; occasionally up to 125 pounds.
• Regularly walk, stand, bend, reach, and use hands to handle tools and equipment.
• Ability to drive or ride in a vehicle for extended periods (up to 6 hours).

POSITION TYPE & HOURS

Full-time position. Typical work weeks are 40+ hours. Some evening, weekend, and overtime work may be required.

Travel may include local day travel and occasional overnight travel.

OTHER REQUIREMENTS

• Pre-employment drug and alcohol screening.
• Valid driver’s license (CDL preferred).
• Background screening including employment, education, criminal history, and driving record verification.