Earthwork Modeling Specialist for Civil Bid and Planning

Griffith Company; Brea (CA); On-site; USD 71,000 - 120,000; Full time

Job summary

Griffith Company is seeking an experienced Earthwork Modeler to join the Southern Region team. You will perform earthwork modeling, quantity takeoffs, and develop reliable earthwork models and analyses to support bid accuracy and project planning.

You will interpret civil drawings, grading plans, and geotechnical reports, validate survey data, and use GPS/mapping tech. Proficiency with Agtek or Carlson and Excel is required; collaboration with estimators and field teams is essential.

Qualifications

• Bachelor’s degree preferred in Civil Engineering or related field.
• 3–5 years earthwork modeling and quantity takeoffs experience.
• Experience with grading plans, surveys, and terrain models.
• Experience in heavy civil construction estimating/bidding preferred.

Responsibilities

• Perform earthwork modeling and quantity takeoffs for civil, site development, roadway, highway, and heavy civil construction projects.
• Create accurate cut/fill analyses, mass haul plans, and earthwork quantity reports.
• Interpret and analyze civil construction drawings, grading plans, specifications, and geotechnical reports.
• Review and validate survey data, existing ground models, and digital terrain models.
• Utilize GPS machine control systems and modeling technology to support earthwork operations.
• Use drone, LiDAR, and other reality-capture technologies for existing-condition modeling and quantity verification.
• Analyze site preparation, excavation, embankment, grading, and related construction activities.
• Identify design conflicts, quantity discrepancies, and potential value-engineering opportunities.
• Create exhibits, graphics, and visualizations to support bid reviews and project planning.
• Coordinate closely with estimators, project managers, field operations personnel, and other project stakeholders.
• Present earthwork models, quantity analyses, and findings to project teams and leadership.
• Maintain accurate project files, models, calculations, and supporting documentation.

Skills

Earthwork modeling

Quantity takeoffs

Analytical skills

Mathematical skills

Communication

Time management

Team collaboration

Detail oriented

Problem solving

Presentation skills

Education

Bachelor's degree in Civil Engineering

Tools

AGTEK

Carlson

Excel

GPS machine control

Drone/LiDAR tech

Job description

Griffith Company is seeking an experienced Earthwork Modeler to join the Southern Region team. You will perform earthwork modeling, quantity takeoffs, and develop reliable earthwork models and analyses to support bid accuracy and project planning.

You will interpret civil drawings, grading plans, and geotechnical reports, validate survey data, and use GPS/mapping tech. Proficiency with Agtek or Carlson and Excel is required; collaboration with estimators and field teams is essential.