Civil Machine Control Modeler

D.H. Griffin Infrastructure, a leader in heavy civil construction across North Carolina and the Carolinas, is seeking a skilled Civil Machine Control Modeler to join its expanding Survey CAD Department. As part of a company with a strong reputation for excellence and innovation in the industry, you will play a key role in supporting high-profile projects in the pharmaceutical, data center, and warehousing sectors.

This position offers the opportunity to work with advanced GNSS-controlled equipment and cutting‑edge survey technology, contributing directly to the success of field operations and project delivery. Join a team that values quality, professional growth, and a positive work environment.

• Build, update, and quality control subgrade and finished grade surface models in Trimble Business Center for GPS-controlled dozers and excavators across multiple active projects.
• Interpret civil design drawings to create accurate machine control models for grading and underground utilities.
• Coordinate with Survey Project Managers and field crews to ensure models are current, accurate, and ready for field use.
• Maintain organized project file structures and manage model version control.
• Distribute updated models to field data collectors and equipment in a timely manner.
• Assist with photogrammetry/UAS data processing for quantity analysis as needed.
• Support as‑built CAD drafting and survey computation tasks as required by workload.
• Contribute to the development and documentation of department procedures and assist with implementation across projects.

• Valid state driver's license.
• General knowledge of site and utility construction surveying principles and procedures.
• Proficiency in CAD/modeling software such as Trimble Business Center, AutoCAD Civil 3D, Carlson, or Microstation.
• Ability to read and interpret civil construction plans and specifications.
• Associate's degree or technical certificate in Civil Engineering Technology, Geomatics, Construction Management, or a related field preferred.
• Hands‑on experience with Trimble Business Center for machine control model development preferred.
• Familiarity with Trimble construction equipment and software, including Earthworks, Siteworks, GCS
  900, SPS
  900, and Access, is a plus.
• Prior experience in site civil construction, land surveying, or heavy civil contracting environments preferred.
• 2+ years of experience in civil construction, surveying, drafting, or machine control modeling is advantageous.

• Comprehensive health, dental, and vision insurance through Blue Cross Blue Shield
• Paid vacation and holidays
• 401(k) with company matching
• Flexible spending program
• Retirement plan
• Tuition reimbursement
• Opportunities for advancement and professional growth
• Positive company culture

All employment offers are contingent upon successful completion of a background test and drug screening. D.H. Griffin Companies is an Equal Employment Opportunity Employer. Learn more about our company at

Job Type: Full-time