Pennoni Tech Stack

Infrastructure and civil engineering design across water, transportation, and energy

Design Services Philadelphia, PA 1,001–5,000 employees Founded 1966 Privately Held

Pennoni is a 1,000+ person civil engineering and design firm anchored in Philadelphia, founded in 1966. The tech stack is dominated by Bentley and Autodesk design tools (Civil 3D, MicroStation, Revit, OpenFlows suite) paired with GIS and survey instruments (ArcGIS, Trimble, Leica), reflecting a firm that designs at the infrastructure layer—roads, bridges, water systems, utilities. Hiring remains heavily engineering-focused (162 of 189 open roles) with a seniority mix skewed toward senior and mid-level practitioners, signaling expertise-driven delivery rather than high-volume junior scaling. No recent technology adoption or replacement signals suggests infrastructure tooling maturity and stability.

Tech Stack 59 technologies

Core StackAutoCAD ArcGIS Revit SAP AWS AutoCAD Civil 3D Microsoft Office Civil 3D HydroCAD OpenFlows WaterCAD WaterGEMS SewerGEMS MicroStation STAAD Mathcad OpenRoads Bluebeam Revu Microstation Windows Microsoft 365 BIM Bentley MicroStation Trimble Business Center Excel Word Outlook Adobe GIS Leica Geosystems GPS+28 more

What Pennoni Is Building

◆Challenges

Monitoring project cost
Meeting budgeted profits
System preservation
Nbis inspection
Bridge replacement
Developing corrective action plans
Drinking water regulation compliance
Client relationship maintenance
Schedule and cost management
Ensuring compliance with standards

▲Active Projects

Site design projects
Land development projects
Stormwater management design
Land development plans
Bridge replacement projects
Municipal infrastructure / water resources projects
Transportation improvement projects
Bridge inspection projects for state dots
Road rehabilitation
Highway improvement

Hiring Activity

Decelerating190 roles · 45 in 30d

Department

Engineering

162

Construction

Ops

Communications

Design

Environmental

Surveying

Seniority

Senior

Mid

Junior

Staff

Manager

Lead

Notable leadership hires: Survey Crew Chief

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About Pennoni

Pennoni delivers multidisciplinary engineering and design services for civil infrastructure, water resources, transportation, energy, and environmental projects. The firm operates across site design, land development, stormwater management, bridge inspection and replacement, municipal water systems, and highway improvements. Work spans state DOTs, municipalities, and private developers. The employee-owned structure and long project tenures indicate client relationships built on technical depth and continuity. Current challenges cluster around cost monitoring, schedule management, and regulatory compliance (NBIS inspections, drinking water standards)—typical constraints for public infrastructure work with fixed budgets and statutory requirements.

HeadquartersPhiladelphia, PA

Company Size1,001–5,000 employees

Founded1966

Hiring MarketsUnited States, Brazil

Frequently Asked Questions

What software does Pennoni use for engineering design?

Primary tools: Bentley Civil 3D, MicroStation, Revit, and the OpenFlows suite (WaterCAD, WaterGEMS, SewerGEMS) for water and hydraulics modeling. GIS work via ArcGIS. Survey via Trimble Business Center and Leica Geosystems instruments.

Where does Pennoni operate?

Headquartered in Philadelphia, PA. Hiring currently in United States and Brazil. Work spans municipal and state projects (NBIS bridge inspections, DOT contracts) as well as private development across infrastructure sectors.