Senior BIM Modeler — Civil 3D for Water Infrastructure

CDM Smith; Baltimore (MD); On-site; USD 63,000 - 104,000; Full time

Job summary

CDM Smith's Water Services Group seeks an experienced Building Information Modeler to support site development and water infrastructure projects. You will independently develop, manage, and deliver Civil 3D models and construction plan sets across disciplines with minimal guidance.

You will work in a fast-paced environment, coordinate with engineers and designers, and ensure model integrity, QC, and project delivery.

Qualifications

• High School diploma or equivalent with vocational technical training in basic CADD drafting technology.
• 9 years of related experience.
• Domestic and/or international travel may be required.
• Equivalent additional directly related experience will be considered in lieu of a degree.

Responsibilities

• Develop and manage Civil 3D models from conceptual layouts through fully developed IFC-level models.
• Independently establish and refine: horizontal alignments, vertical profiles, sample lines, section views, and cross-section production.
• Perform pressure and gravity pipe modeling for water, wastewater, and storm systems.
• Generate automated plan, profile, and cross-section sheets in accordance with firm and client standards.
• Produce coordinated, construction-ready plan sets throughout all phases of project delivery.
• Perform earthwork determinations and volume analyses using modeled surfaces.
• Develop quantities and calculations derived directly from models, ensuring consistency with project assumptions and design intent.
• Maintain robust data management practices, including file structure, surfaces, references, and model integrity across project lifecycles.
• Apply firm and client standards, workflows, and QC procedures to all modeling and sheet production.
• Coordinate models with engineers, designers, surveyors, and other disciplines to ensure constructability and design intent are preserved.
• Provide technical direction and review as required; while this role may guide others at times, it should not assume the routine availability of junior staff support.

Skills

Civil 3D

Attention to detail

Communication skills

Self-driven

Team collaboration

Education

High School diploma or equivalent with vocational technical training in basic CADD drafting technology

Tools

Autodesk Civil 3D

Job description

CDM Smith's Water Services Group seeks an experienced Building Information Modeler to support site development and water infrastructure projects. You will independently develop, manage, and deliver Civil 3D models and construction plan sets across disciplines with minimal guidance.

You will work in a fast-paced environment, coordinate with engineers and designers, and ensure model integrity, QC, and project delivery.