Who We Are

Subsurface & Tunnel Engineering llc was established in March 2016.  The founder, Mohamed Younis, carries over 30 years of underground construction experience in planning, design, and management of complex project, spanning over 5 continents.  We combine our experience and cutting-edge technology tools to provide the optimum and practical solutions for the project, achieving the project objectives efficiently.

Why Choose STE

Underground construction projects are complex and require an adaptive engineering approach to accommodate evolving project conditions.

STE Founder

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Mohamed Younis, P.E., Principal

Applying 30 years of experience in the management, design and construction of large, complex water, transportation and mine underground facilities and tunnel programs, Mr. Younis specializes in underground and tunnel design with experience in every aspect of delivery including, planning, design and construction. Read More
Our philosophy is to deliver integrated and adaptive engineering solutions to our clients to meet program and project objectives.

Where we are active...

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Company Registration + PE License

 PE License

Other state registration/PE License can be obtained, as necessary.