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RIZZO INTERNATIONAL Tech Stack

Civil engineering and earth sciences firm for power, water, and structural projects

Civil Engineering Pittsburgh, Pennsylvania 51–200 employees Founded 1984 Privately Held

RIZZO is a 40-year-old engineering firm focused on power generation, dams, water resources, and specialty structures. Their tech stack—GeoStudio, PLAXIS 3D, ANSYS, SAP2000, HEC-RAS, OpenFOAM, and FLO-2D—reveals a hydrostructural and computational-modeling-heavy operation. Current hiring is concentrated in mid- and senior-level engineering roles, with active projects spanning dam-break studies, reservoir operations modeling under climate scenarios, and CFD-driven cooling-water analysis, suggesting increased complexity in water infrastructure consulting.

Tech Stack 18 technologies

Core StackRevit AutoCAD MATLAB GeoStudio PLAXIS 3D ANSYS SAP2000 STAAD.Pro ABAQUS Mathcad FLO-2D FLOW-3D HEC-RAS OpenFOAM GIS Word Excel UPS

What RIZZO INTERNATIONAL Is Building

◆Challenges

Complex water infrastructure projects

▲Active Projects

Dam break and inundation mapping studies
Cooling water intake/discharge hydraulic and thermal studies
Reservoir operations modeling and climate change impact assessments
Hydrologic and hydraulic modeling for water-related infrastructure projects
Development of advanced cfd and numerical models

Hiring Activity

Accelerating10 roles · 5 in 30d

Department

Engineering

10

Seniority

Mid

5

Senior

4

Junior

1

Notable leadership hires: Hydrology & Hydraulic Modeling Lead

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About RIZZO INTERNATIONAL

RIZZO International is a Pittsburgh-based civil engineering and earth sciences consulting firm founded in 1984. The firm serves clients in power generation, water resources, dams, mining, and specialty commercial structures across global markets. Staff are typically licensed professionals with advanced degrees; the firm operates under a mentorship model pairing senior engineers with junior talent. Work centers on technically demanding infrastructure projects—particularly hydrologic and hydraulic modeling, geotechnical analysis, and structural design using industry-standard simulation and CAD tools.

HeadquartersPittsburgh, Pennsylvania

Company Size51–200 employees

Founded1984

Hiring MarketsUnited States

Frequently Asked Questions

What engineering software does RIZZO International use?

RIZZO's core toolkit includes GeoStudio, PLAXIS 3D, ANSYS, SAP2000, STAAD.Pro, ABAQUS, HEC-RAS, FLO-2D, OpenFOAM, Revit, AutoCAD, MATLAB, and GIS—spanning geotechnical, structural, and computational-fluid-dynamics modeling.

What projects is RIZZO International working on?

Active projects include dam-break and inundation mapping, cooling-water intake/discharge thermal and hydraulic studies, reservoir operations modeling with climate-change impact assessment, and advanced CFD and numerical modeling for water infrastructure.