O’Neill Service Group (OSG) is a leading provider of Environmental and Construction Quality Assurance Solutions on Large-scale Transportation, Infrastructure and Commercial Projects in the Pacific Northwest.  Our experienced team of more than 60 scientist, engineers, inspectors and testers work collaboratively to support your project from design through permitting, construction and commissioning.  

Whether you are building the world’s largest floating bridge, a state-of-the-art Light Rail System or a High-rise mixed-use community, OSG stands ready to bring value to your project.   

We are widely known by our clients to be responsive, reliable and driven to provide innovative practical solutions. 

We provide a full range of Environmental and Construction Quality Assurance Services to both public and private sector clients.  Our expertise includes: 

•	Tunnels
•	High Speed Rail
•	Elevated Light Rail 
•	Transit Station
•	Concrete and Steel  Bridges
•	Historic Bridge Restorations
•	Roadways
•	Parking Structures 
•	Seawalls and Port Facilities
•	Mix-Use Commercial Complexes
•	Stadiums Renovation

O'Neill Service Group is hiring!! We are currently hiring for the following positions:

•	Construction Inspector: Civil/Roadway & Bridges/Structures (Puget 
        Sound Region)
•	Engineer-in-Training (Puget Sound Region)
•	Geotechnical Engineer (Puget Sound Region)
•	Quality Program Coordinator (Puget Sound Region)

Please visit our website below for more information about these roles and how to apply.

Transportation

Infrastructure

Construction

O'Neill Service Group

Dennis O'Neill

D Lankerovich

Robert Parker

Madeline Sargent

William Jordan

Brady Hanson

Justin A. Clements

Camille Felkins

Ethan S.

The Environmental Science and Engineering Team at O'Neill Service Group is responsible for ensuring environmental compliance and providing innovative solutions for large-scale transportation, infrastructure, and commercial projects. This team conducts environmental assessments, manages natural resources, oversees ecological impact evaluations, and supports the permitting process to facilitate sustainable project development and construction quality assurance. They work collaboratively to address environmental challenges and ensure regulatory adherence throughout all project phases.

Environmental Science and Engineering Team

Inspection Team

Environmental Science and Engineering Team

About

Team members

Other teams at O'Neill Service Group

Inspection Team