Tetra Tech Tech Stack

Global consulting and engineering for water, environment, and infrastructure

Civil Engineering Pasadena, CA 10,001+ employees Public Company

Tetra Tech operates at massive scale—25,000 employees across 25+ countries executing municipal infrastructure, water treatment, and environmental remediation projects. The tech stack reveals a traditional engineering services firm: CAD-heavy (Civil 3D, AutoCAD, Revit, MicroStation), GIS-dependent (ArcGIS), and modeled on specialized simulation tools (HEC-RAS, SWMM, ANSYS). Active adoption of Revit and Procore signals a shift toward Building Information Modeling and cloud-based project coordination, likely driven by client demands for digital deliverables and cost control amid persistent budget/schedule constraints.

Tech Stack 200 technologies

Core StackAutoCAD Revit Primavera P6 ArcGIS Autodesk Civil 3D Civil 3D GPS MicroStation GIS Excel Word Outlook Microsoft Project Oracle Primavera Microstation Primavera Risk Analysis ANSYS PowerPoint DIALux Microsoft Office AutoCAD Civil 3D HEC-RAS SWMM ArcGIS Pro Microsoft Access Tekla Structural Designer PLC Ignition Modbus OPC+170 more

AdoptingRevit Procore STAAD Pro

What Tetra Tech Is Building

◆Challenges

Ensuring compliance with fema regulations
Monitoring debris removal
Compliance requirements
Safe water delivery
Managing disaster recovery documentation
Upgrade aging infrastructure
Budget and schedule constraints
Winning new work
Reducing costs
Environmental compliance assessment

▲Active Projects

Municipal infrastructure projects
Municipal water and wastewater projects
Fema pa project worksheets for category a-g disaster-related activities
Water and wastewater treatment facilities
Debris removal monitoring
Contaminated site remediation
New-build and refurbishment projects
Sustainable mechanical system design for lab facilities
Projects to the value of £250m across both public and private sectors
Sewer rehabilitation

Hiring Activity

Steady1,200 roles · 410 in 30d

Department

Engineering

895

Construction

Ops

Research

Support

Finance

Marketing

Security

Seniority

Senior

449

Mid

385

Junior

219

Intern

Manager

Lead

Principal

Director

Notable leadership hires: PFAS Lead, Electrical Lead Engineer, Evaluation & Research Lead, Team Lead, Survey Crew Chief

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About Tetra Tech

Tetra Tech is a publicly traded consulting and engineering services firm headquartered in Pasadena, California, employing over 25,000 professionals worldwide. The company focuses on water-cycle management, environmental protection and restoration, and sustainable infrastructure design. Work spans municipal water and wastewater systems, disaster recovery documentation (FEMA), contaminated-site remediation, and new-build/refurbishment projects valued in the hundreds of millions. Engineering and construction staff dominate the payroll, with seniority distributed across senior and mid-level practitioners—reflecting a project-delivery model where senior expertise leads proposals and designs, and mid-level execution manages on-site work.

HeadquartersPasadena, CA

Company Size10,001+ employees

Hiring MarketsUnited States, United Kingdom, Canada, Australia, Ukraine, Netherlands, Trinidad and Tobago, Niue

Frequently Asked Questions

What software does Tetra Tech use for engineering design?

Tetra Tech deploys Autodesk Civil 3D, AutoCAD, Revit, MicroStation, and ArcGIS for design and spatial analysis. Simulation work uses ANSYS, HEC-RAS, and SWMM for hydraulic and hydrologic modeling. Project controls rely on Oracle Primavera and Microsoft Project.

Where is Tetra Tech headquartered?

Tetra Tech is headquartered in Pasadena, California. The company operates globally, actively hiring across the United States, United Kingdom, Canada, Australia, and 20+ additional countries including Ukraine, Bangladesh, Iraq, and Vietnam.