Infrastructure connects us more than we think.


About Us


Sierra Geotech is a materials testing, field inspections, geotechnical engineering and environmental permitting services firm that began operating in 2016 from Greater Sacramento. We are a disabled veteran business enterprise (DVBE) and a DBE (Disadvantaged Business Enterprise). We execute projects across the Western United States.


Our Certifications

State | Federal | Small Business


Disadvantaged Business Enterprise

Federal & Caltrans Certified


Disabled Veteran Business Enterprise

California Department of General Services Certified


Service-Disabled Veteran Owned Small Business

Center for Verification and Evaluation (CVE) verified.


Our Services

Offering Solutions That Make A Difference


Materials Testing

QA/QC Testing Agency

Source Quality Control. Field Quality Control. Special Inspections. We are a testing agency that meets the requirements of ASTM E329. We have a state-of-the-art materials testing lab facility in Rocklin, California.


Geotechnical Engineering

Soils Reports. Foundation design.

Geotechnical investigations and reporting. Our core-competency is geotechnical engineering. Our key staff are licensed geotechnical professionals in Western United States.


Environmental Planning

CEQA | NEPA Consulting

Environmental impact assessment, permitting, and licensing for public and private projects. We strategically anticipate the uncertainties of regulatory compliance. We can expedite and streamline review processes through parallel processing of permit elements saving time and reducing costs.


Our Practice Areas


Highways | Bridges

Public Buildings

Federal | State


Utilities | Levees


Our Projects


Project Experience

Technicians at Work


Total Years Experience of our Principals

Men on Construction Site


Avg. Years Experience of our Principals

Construction Workers


# of Top ENR Firms we have served since 2016


Our Team

Seth Jayne, MBA

Founder | Operations Manager | President

Seth Jayne proudly served in the US Army for 10 years and brings deep domain knowledge in geotechnical engineering, earthworks, and materials testing. A seasoned entrepreneur, Seth founded Sierra Geotech in 2016 with a small group of soil technicians. []

Shaun Vemuri, PE, MBA

Managing Principal

Shaun joined Sierra Geotech in September 2018 and is our current managing principal. Shaun is a geotechnical engineering professional and senior project manager with extensive experience in commercial buildings, transportation, water storage, water conveyance and industrial infrastructure projects. He has delivered transformational projects of all sizes for public and private clients in USA, Australia, New Zealand, and India. In a career spanning almost 15 years, Shaun has led numerous client engagements where civil engineering challenges were complex.

Brent Moore, CEP

Vice President

Mr. Brent L. Moore, CEP, is a senior professional with more than 30 years experience in permitting, environmental compliance, engineering, project management, and business management. He is Vice President and Principal of Sierra.


Statement of Qualifications

We don't believe in cookie-cutter SOQs. To ensure maximum probability of success with your RFPs and RFQs, contact us for a project tailored Statement of Qualifications.

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Discuss your project with us.

2250 Sierra Meadows Dr STE A
Rocklin, CA 95677




Project Manager

Geotechnical Engineering

Project Manager

Materials Testing & Inspections


People & Culture

If you are curious about Sierra Geotech, send us your resume with your best projects and stellar experience. We will call you to discuss.

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Our Capabilities



At Sierra Geotech, Safety is a way of life.

To obtain a copy of our Health & Safety program, contact us.


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©2019 by Sierra Geotech.