Senior Hydraulics Designer: NCDOT Bridges & Drainage Expert

Larson Design Group; Raleigh (NC); On-site; USD 70,000 - 95,000; Full time

Job summary

Larson Design Group is seeking a Sr. Hydraulic Designer to apply hydraulic engineering to drainage, stormwater, and hydraulic designs for transportation projects. You will perform calculations, prepare technical reports, develop plan sets, and support project decisions under senior guidance.

The role focuses on NCDOT bridge and culvert replacement projects, drainage design, and hydrologic/hydraulic modeling, using ORD/GeoPak and HEC-RAS with collaboration across teams.

Qualifications

• Education: Associate's or Bachelor's degree in Civil Engineering or related discipline.
• Experience: 2–6 years hydraulic design; NCDOT bridge & culvert projects preferred.
• Licensure/Certification: Engineer-in-Training (EIT) required.
• Proficiency with CADD / ORD, ORD Drainage, GeoPak Drainage, and HEC-RAS modeling.

Responsibilities

• Utilizes CADD and OpenRoads Designer (ORD) to produce hydraulic design drawings and plan sheets.
• Performs HECRAS 1D modeling for culverts and bridges; 2D modeling experience is a plus.
• Supports NCDOT bridge and culvert replacement projects, including hydraulic reports and scour analysis.
• Develops NCDOT drainage designs, storm drains, ditches, channels, and stormwater features.
• Coordinates with roadway and structures teams to ensure design intent and compliance.

Skills

CADD proficiency

OpenRoads Designer (ORD)

HEC-RAS modeling

2D modeling

Education

Bachelor's degree in Civil Engineering

Associate's degree in Civil Engineering

Tools

ORD Drainage

GeoPak Drainage

Job description

Larson Design Group is seeking a Sr. Hydraulic Designer to apply hydraulic engineering to drainage, stormwater, and hydraulic designs for transportation projects. You will perform calculations, prepare technical reports, develop plan sets, and support project decisions under senior guidance.

The role focuses on NCDOT bridge and culvert replacement projects, drainage design, and hydrologic/hydraulic modeling, using ORD/GeoPak and HEC-RAS with collaboration across teams.