Designed with Innovation + Built on Quality

About Us

Established in 1959, SCST, LLC, an Atlas Company, has a long legacy of building strong relationships through a commitment to quality services and engineering excellence. Serving both the public and private sectors, our firm provides professional expertise in the areas of environmental science & engineering, geotechnical engineering, construction integration & technology, geophysics, special inspection & materials testing, and facilities consulting.

The SCST team includes skilled geotechnical engineers, civil and environmental engineers, environmental scientists, engineering geologists, multi-credentialed inspectors and technicians, and the appropriate management systems and support personnel committed to providing our clients with high quality and tailored services.

State registrations include the following:

  • Professional Geologist (PG)
  • Certified Engineering Geologist (CEG)
  • Engineer in Training (EIT)
  • Geotechnical Engineer (GE)
  • Professional Engineer (PE)
  • Professional Geophysicist (PGp)

Over seventy percent of SCST's professional staff are licensed and/or registered by state and regulatory agencies. This high percentage of registered personnel reflects the significant expertise available to our clients.

John Kirschbaum Photo
John Kirschbaum, PE
President, COO
Emil Rudolph Photo
Emil Rudolph, PE, GE
Principal Engineer
Royce Parker Photo
Royce Parker
Senior Vice President of Client Services
Mehrnoush Yavary, PE
Director of Engineering
Rik Lantz, PG, LEED-AP
Director of Environmental Services
Ron Baudour Photo
Ron Baudour
Director of Field Services, Senior Project Manager
Darren Hicks
Director of Laboratory Services
JD Campbell, PhD, PE
Senior Engineer, Senior Project Manager
Dean F. Geers
Senior Environmental Scientist, Senior Project Manager
Scott J. Brockway, PG
Senior Geologist, Senior Project Manager
William Earle, PE
Senior Engineer, Senior Project Manager
Dawn Gonzales
Human Resources Administrator
Laura Watts
Director of Project Controls
Patrick Lehrmann, PG, PGp
Principal Geophysicist
Hans van de Vrugt, PG, CEG, PGp
Principal Geophysicist
Sergie Serrano
Director of Construction Integration & Technology

SCST has been an asset as an owner's representative in complex projects as well as last minute requests due to the uncertainty of construction projects. They have been a team that you can count on.

Scott Fisher
Municipal Projects Manager
City of Carlsbad

During a challenging period when Mother Nature was working against us, SCST worked diligently with the team to help ensure the project was completed on time and that a good product was provided to the City of Chula Vista and the County of San Diego.

Wade Durant, P.E.
Senior Bridge Engineer 

Always been impressed by SCST resourcefulness, strong grasp of complex and time-sensitive issues, and high caliber capacity. Proactive genius in resolution of such matters and attention to detail with efficiency render SCST a true value to everyone that has the opportunity of working with this high caliber agency.

Andrew Atkinson
Quality Assurance & Control Manager
Swinerton Builders

SCST constantly exceeds the expectations of CCQA, Inc., when staffing and testing materials on our diverse and complex healthcare projects. SCST has been available to work at a moment’s notice or odd hours to accommodate the contractor.

Daniel M. Stone, IOR
California Construction Quality Assurance, Inc.

Challenged Athletes Foundation's® (CAF) Operation Rebound®

Operation Rebound Logo

Challenged Athletes Foundation's® (CAF) Operation Rebound® program is the premier sports and fitness program for American military personnel, veterans and first responders with physical challenges. It provides unparalleled opportunities to pursue active, athletic lifestyles by offering access to funding for equipment and training and competition expenses, Military Medical Center Physical Training (MMCPT) and sports clinics.

Looking for an opportunity to build a career at a fast-growing reputable firm, where hard work is rewarded and fun is encouraged? SCST, an Atlas Company, is continually looking for talented and skilled professionals to join our team.