Senior Field Technician: Geotechnical & Materials Testing Lead

Quartet ENG; Texas, United States, Northern America, Americas; Hybrid; USD 65,000 - 90,000; Full time

Job summary

Quartet ENG seeks a Senior Field Technician to lead on construction materials testing projects, documenting soils, concrete, asphalt, and masonry inspections. You will mentor junior technicians and serve as the on-site contact for contractors and inspectors.

Lead complex projects, coordinate junior staff, and uphold A2LA accreditation standards while training new hires in test methods, safety, and documentation across Houston-area sites.

Qualifications

• High school diploma or GED; associate degree or coursework in civil engineering technology or construction preferred.
• Minimum 5 years of construction materials testing or special inspection experience.
• Current ACI Concrete Field Testing Technician Grade I certification.
• Nuclear Gauge Safety and Hazmat training with current Troxler or equivalent certification.
• Two of the following: NICET II+ in Construction Materials Testing, TxDOT Soils/AGG SB, ICC Special Inspector, or ACI tests.
• Ability to read construction drawings and perform basic engineering calculations.
• Strong written and verbal communication skills and dependable, self-directed work habits.
• Valid Texas driver’s license with clean driving record and ability to pass background check and drug screen.
• Authorization to work in the United States.

Responsibilities

• Perform field density and moisture testing of soils, base, and backfill using nuclear gauge, sand cone, and drive cylinder methods, and verify compaction against Proctor references.
• Sample and test fresh concrete for slump, air content, temperature, and unit weight; cast, cure, and transport cylinders and beams per ASTM C31 and C172.
• Observe and document reinforcing steel placement, formwork, pier and drilled shaft installation, post-tension stressing, structural steel bolting and welding, masonry, and fireproofing.
• Perform asphalt testing including in-place density, core sampling, and temperature checks on TxDOT and municipal paving projects.
• Perform Proctor, Atterberg limits, sieve analysis, and concrete compressive strength testing in the lab when field schedules allow.
• Prepare clear, accurate daily field reports, test data sheets, and non-conformance notices, and communicate failing results to project manager and contractor immediately.
• Represent Quartet professionally with contractors, inspectors, and owners' representatives.
• Follow all company and site-specific safety requirements and participate in safety training.

Skills

Communication skills

Self-directed work

Education

ACI Concrete Field Testing Technician Grade I

NICET Construction Materials Testing (Level II or higher)

TxDOT HMAC Level IA or IB

ICC Reinforced Concrete Special Inspector

ICC Soils Special Inspector

ICC Structural Masonry Special Inspector

Tools

Nuclear gauge equipment

Troxler or equivalent certification

Job description

Quartet ENG seeks a Senior Field Technician to lead on construction materials testing projects, documenting soils, concrete, asphalt, and masonry inspections. You will mentor junior technicians and serve as the on-site contact for contractors and inspectors.

Lead complex projects, coordinate junior staff, and uphold A2LA accreditation standards while training new hires in test methods, safety, and documentation across Houston-area sites.