BIM Modeler: Civil 3D Expert for Water Infrastructure

CDM Smith; Portland (ME); 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 multiple disciplines with minimal guidance.

This role supports public- and private-sector projects in a fast-paced environment where modeling resources are often constrained.

Qualifications

• Excellent communication skills with strict attention to detail.
• Demonstrates ability to be a flexible team player and have the ability to adapt to changing requirements.
• Notable experience and project examples demonstrating intermediate to expert-level proficiency in Autodesk Civil 3D, including alignments, profiles, corridors, grading tools, feature lines, surface creation and management.

Responsibilities

• Develop and manage Civil 3D models from conceptual and preliminary layouts through fully developed IFC-level models, often using best available or incomplete data.
• Independently establish and refine: horizontal alignments and vertical profiles; sample lines, section views, and cross-section production; complex surfaces using corridors, feature lines, grading objects, and breaklines.
• 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.
• Maintain robust data management practices, including file structure, surfaces, references, and model integrity across project lifecycles.

Skills

Communication skills

Attention to detail

Team player

Adaptability

Education

High School diploma or equivalent with vocational CADD training

Tools

Autodesk Civil 3D

Plan/profile/cross-section automation

Surface creation and management

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 multiple disciplines with minimal guidance.

This role supports public- and private-sector projects in a fast-paced environment where modeling resources are often constrained.