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Environmental Science Associates Tech Stack

Environmental consulting for energy, infrastructure, and land restoration projects

Environmental Services San Francisco, CA 501–1,000 employees Founded 1969 Privately Held

ESA is a 50-year-old, employee-owned environmental consulting firm with 21 offices across California, the Pacific Northwest, and the Southeast. The tech stack—MATLAB, Python, R, ArcGIS, Civil 3D, HEC-RAS, SWMM—reflects a science-forward practice anchored in hydrology, geospatial analysis, and infrastructure modeling. Active hiring is heavily weighted toward engineering and research roles (30 of 45 open positions), with accelerating velocity and a senior-skewed seniority mix, signaling expansion into complex energy and grid-modernization projects while wrestling with regulatory compliance scaling.

Tech Stack 24 technologies

Core StackMATLAB Python ArcGIS .NET Angular AutoCAD Adobe Creative Cloud Databricks Smartsheet Adobe InDesign Adobe Photoshop Adobe Illustrator R GIS Civil 3D Microsoft Office Microsoft Project Excel SWMM HEC-RAS Word PowerPoint Deltek Vantage Deltek Vantagepoint

What Environmental Science Associates Is Building

◆Challenges

Complex regulatory challenges
Complex energy initiatives
Increased workload requires efficient compliance governance
Complex energy project delivery
Acquiring new clients
Contract acquisition
Expanding transportation market in california
Complex ceqa and nepa projects
Budget and invoicing management
Navigating evolving regulatory drivers

▲Active Projects

Electric transmission and grid‑modernization projects
Solar and battery storage projects in california, nevada, arizona
Biological monitoring on construction projects
Renewable energy projects (solar, battery storage, emerging technologies)
Aviation and environmental projects for a major airport client
Ceqa and nepa documentation for energy projects
Grid buildout strengthening hardening initiatives
Freshwater restoration projects
Geomorphic assessments
Project permitting and construction observation

Hiring Activity

Accelerating45 roles · 25 in 30d

Department

Engineering

21

Research

9

Construction

5

Design

2

Sales

2

Environmental

1

HR

1

Marketing

1

Seniority

Senior

21

Mid

12

Junior

5

Intern

3

Director

2

Manager

1

Notable leadership hires: Program Lead

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About Environmental Science Associates

ESA provides environmental planning, permitting, and restoration services to public agencies, infrastructure operators, and energy developers. The firm's core capabilities span CEQA/NEPA documentation, environmental impact assessment, natural-resources management, airport and community planning, and post-project monitoring. Current project work centers on renewable energy buildout (solar, battery storage, grid modernization), freshwater restoration, and aviation environmental compliance. The firm operates across three countries with deepest presence in California and faces acute pressure on contract acquisition and regulatory-compliance management as workload intensifies.

HeadquartersSan Francisco, CA

Company Size501–1,000 employees

Founded1969

Hiring MarketsItaly, United States, Peru

Frequently Asked Questions

What tech stack does Environmental Science Associates use?

MATLAB, Python, R, ArcGIS, GIS, Civil 3D, AutoCAD, HEC-RAS, SWMM, Databricks, and Adobe Creative Suite. Specialized tools include Deltek Vantage for project management and cost tracking.

Where is Environmental Science Associates headquartered?

San Francisco, CA. The firm operates 21 offices across California, the Pacific Northwest, and the Southeastern United States, plus active hiring in Italy and Peru.