Heavy Civil CAD Technician — Create 3D Field‑Ready Civil Models

E-Z Bel Construction; San Antonio (TX); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

Company-paid basic dental, life, and T

Voluntary benefits including life, and

401(k) retirement plan

Quarterly bonus program

Paid Time Off and holidays

EAP and wellness resources

Tuition reimbursement and continuingEd

Scholarship program for dependents

Company events and quarterly company h

Job summary

E-Z Bel Construction, LLC is seeking an experienced Heavy Civil CAD Technician to translate plans and survey data into field-ready digital models and deliverables for survey crews and machine-control systems. You will develop 3D models, surfaces, alignments, and data packages using Trimble Business Center and related tools, ensuring accuracy and adherence to project tolerances.

Responsibilities include QA/QC, resolving plan conflicts, coordinating with Survey and field teams, and maintaining

Qualifications

• Progressive experience in heavy civil construction surveying and machine-control data prep.
• Strong knowledge of field-to-office workflows and CAD data processing.
• Proficiency with survey data, CAD files, and machine-control deliverables.
• Ability to read plans and specifications with attention to detail.
• Excellent QA/QC and communication skills.

Responsibilities

• Create, modify, and maintain construction-ready 3D models, surfaces, alignments, corridors, and survey data using Trimble Business Center (TBC).
• Develop finished grade surfaces from plans, survey data, CAD files, and field as-builts.
• Translate design intent into accurate digital models and deliverables for field use.
• Prepare field-ready data packages for survey crews and machine-control systems.
• Perform QA/QC on models and deliverables, validating elevations, slopes, alignments, and surface integrity.
• Coordinate with Survey, PM, Superintendents, and field crews.
• Identify and resolve plan conflicts and data inconsistencies.
• Maintain organized project files and version control across multiple projects.
• Read/interpret construction plans for roadway, drainage, utilities, and bridges.
• Troubleshoot model issues reported by field crews and provide timely updates.

Skills

TBC proficiency

Survey data processing

3D modeling

Civil 3D / AutoCAD

MicroStation / Open Roads

Machine-control knowledge

QA/QC

Communication

Plan interpretation

Tools

Trimble Business Center

Trimble Siteworks

GPS/Total Station

CAD formats (LandXML, DWG/DXF)

Job description

E-Z Bel Construction, LLC is seeking an experienced Heavy Civil CAD Technician to translate plans and survey data into field-ready digital models and deliverables for survey crews and machine-control systems. You will develop 3D models, surfaces, alignments, and data packages using Trimble Business Center and related tools, ensuring accuracy and adherence to project tolerances.

Responsibilities include QA/QC, resolving plan conflicts, coordinating with Survey and field teams, and maintaining