H&H Modelling Lead

Lvi-Associates; Dallas (TX); On-site; USD 160,000 - 200,000; Full time

Job summary

LVI Associates in Dallas is seeking an experienced H&H Modeling Lead to drive technical excellence across floodplain, watershed, stormwater, and drainage projects. You will serve as the firm’s subject matter expert for hydrologic and hydraulic modeling, providing leadership on complex studies while mentoring engineers and modelers across the organization.

This role is ideal for a highly technical professional who enjoys solving challenging water resources problems, developing innovative modeling

Qualifications

• Bachelor's degree in Civil Engineering or related field.
• Professional Engineer (PE) license required.
• 10+ years of water resources experience with significant hydrologic and hydraulic modeling responsibility.
• Strong understanding of floodplain management principles and regulatory requirements.
• Experience leading multidisciplinary teams and managing technical deliverables.
• Proven track record delivering large and complex H&H projects.
• Excellent communication and client-facing skills.

Responsibilities

• Lead hydrologic and hydraulic modeling efforts for floodplain, drainage, watershed, and stormwater management projects.
• Develop, calibrate, and review complex 1D and 2D hydraulic models using HEC-RAS and related software.
• Perform hydrologic analyses utilizing HEC-HMS, statistical rainfall methods, and watershed modeling techniques.
• Serve as the technical lead on FEMA studies, CLOMR/LOMR submittals, floodplain mapping, and flood risk assessments.
• Provide QA/QC review of technical analyses, reports, and modeling deliverables.
• Establish modeling standards, workflows, and best practices throughout the organization.
• Support project managers with scope development, budgeting, scheduling, and technical planning.
• Present findings and recommendations to clients, regulatory agencies, and project stakeholders.
• Mentor junior engineers and modelers, supporting their technical growth and development.
• Assist with proposals, technical interviews, and business development pursuits.

Skills

Hydrologic modeling

Hydraulic modeling

Leadership

Mentoring

Client-facing communication

Project management

Education

Bachelor's degree in Civil Engineering

Professional Engineer (PE) license

Tools

HEC-RAS

HEC-HMS

InfoWorks ICM

XP-SWMM

PCSWMM

EPA SWMM

ArcGIS / ArcGIS Pro

Job description

Salary: USD160000 - USD200000 per annum

We are seeking an experienced H&H Modeling Leadin Dallas to drive technical excellence across a diverse portfolio of floodplain, watershed, stormwater, and drainage projects. This individual will serve as the firm's subject matter expert for hydrologic and hydraulic modeling, providing leadership on complex studies while mentoring engineers and modelers across the organization.

This role is ideal for a highly technical professional who enjoys solving challenging water resources problems, developing innovative modeling approaches, and influencing project strategy. You will play a critical role in delivering projects for municipalities, flood control districts, transportation agencies, and private-sector clients throughout Texas and beyond.

Responsibilities

• Lead hydrologic and hydraulic modeling efforts for floodplain, drainage, watershed, and stormwater management projects.
• Develop, calibrate, and review complex 1D and 2D hydraulic models using HEC-RAS and related software.
• Perform hydrologic analyses utilizing HEC-HMS, statistical rainfall methods, and watershed modeling techniques.
• Serve as the technical lead on FEMA studies, CLOMR/LOMR submittals, floodplain mapping, and flood risk assessments.
• Provide QA/QC review of technical analyses, reports, and modeling deliverables.
• Establish modeling standards, workflows, and best practices throughout the organization.
• Support project managers with scope development, budgeting, scheduling, and technical planning.
• Present findings and recommendations to clients, regulatory agencies, and project stakeholders.
• Mentor junior engineers and modelers, supporting their technical growth and development.
• Assist with proposals, technical interviews, and business development pursuits.

Preferred Technical Experience

Experience with several of the following:

• HEC-RAS (1D and 2D)
• HEC-HMS
• InfoWorks ICM
• XP-SWMM
• PCSWMM
• EPA SWMM
• ArcGIS / ArcGIS Pro
• Drainage master planning
• Watershed and basin studies

Qualifications

• Bachelor's degree in Civil Engineering or related field.
• Professional Engineer (PE) license required.
• 10+ years of water resources experience with significant hydrologic and hydraulic modeling responsibility.
• Strong understanding of floodplain management principles and regulatory requirements.
• Experience leading multidisciplinary teams and managing technical deliverables.
• Proven track record delivering large and complex H&H projects.
• Excellent communication and client-facing skills.

Why Join Us?

• Technical leadership role with significant influence
• Opportunity to work on high-profile flood risk and resilience projects
• Clear path toward Principal, Practice Lead, or Technical Director positions
• Strong investment in advanced modeling technology and staff development
• Collaborative environment with access to multidisciplinary expertise
• Competitive compensation, bonus potential, and long-term career growth opportunities