OESC (Oneida ESC Group) Tech Stack

Engineering, environmental, and construction services for federal and mission-critical infrastructure

Facilities Services Milwaukee, Wisconsin 201–500 employees Privately Held

OESC Group operates a portfolio of engineering, environmental remediation, and construction firms serving federal and infrastructure clients. The tech stack is traditional CAD/GIS-heavy (AutoCAD Civil 3D, MicroStation, OpenRoads Designer) paired with Microsoft enterprise tools and ServiceNow — typical for design-and-build organizations. Active hiring skews heavily toward engineering roles, and project work clusters around roadway design, environmental compliance (Title V, air permitting, PFAS regulations), and mission support, suggesting a federal contracting focus with recurring compliance and inventory accuracy challenges.

Tech Stack 20 technologies

Core StackServiceNow AutoCAD Civil 3D Word Excel CAD GIS Microsoft Project Stata PowerPoint Outlook Microsoft 365 Teams SharePoint Configuration Manager Citrix macOS Windows MicroStation OpenRoads Designer Microsoft Office

What OESC (Oneida ESC Group) Is Building

◆Challenges

Maintaining accurate air emission inventories
Ensuring compliance with federal air permitting
Meeting title v compliance deadlines
Reducing recurring problems
Inventory processing errors
Inefficient application processes
Data integrity compliance
Invasive plant control
Adapting to evolving pfas regulations
Ensuring compliance with environmental regulations

▲Active Projects

Roadway design and plans for urban and rural highways and interchanges
Surface water remediation projects
Implement central sign-in or electronic attendance verification system
Inscom g-1 mission support
Environmental documentation for pse packages
Transportation infrastructure projects
Air emission inventory maintenance
Title v compliance certification package preparation
Preparation of environmental documents and final pse packages
Csams application improvement

Hiring Activity

Accelerating25 roles · 15 in 30d

Department

Engineering

Support

Construction

Healthcare

Data

Finance

Operations

Ops

Seniority

Mid

Senior

Junior

Intern

Staff

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About OESC (Oneida ESC Group)

OESC Group is a family of companies owned by the Oneida Nation, operating as a diversified professional services firm across engineering, environmental, construction, and technology services. The organization serves federal, state, and private clients with integrated delivery across environmental remediation, transportation infrastructure design, construction management, and professional services. The company maintains a distributed staff across the United States and Peru, with active engineering capacity for CAD-based design work, environmental documentation, and compliance certification. Current project activity centers on transportation infrastructure, surface water remediation, air emission inventory management, and Title V air permitting compliance.

HeadquartersMilwaukee, Wisconsin

Company Size201–500 employees

Hiring MarketsUnited States, Peru

Frequently Asked Questions

What CAD and design tools does OESC Group use?

AutoCAD Civil 3D, MicroStation, OpenRoads Designer, and GIS tools form the core design stack, complemented by Microsoft Project for planning and Stata for technical analysis.

What environmental compliance work does OESC Group focus on?

Title V air permitting, air emission inventory maintenance, PFAS regulation adaptation, and surface water remediation are active project areas, with recurring challenges around federal compliance deadlines and inventory accuracy.