Arx Engineering is a structural design firm specializing in residential and commercial buildings up to 3 stories in height (or 45′ tall measured from bottom of lowest footing – to be super technical.  Engineers!).  The word “Arx” (pronounced “Arks”) is Latin for “fortress” or “stronghold.”  The company was started in 2009 by Ryan Briggs, in the middle of the not-so-Great Recession, and has grown every year since.

Our business is designing structures, but our purpose is delighting clients with our service. Delighted clients come back, and spread the word. Hearing people say “thank you” and knowing that we truly helped them means a lot.





Principal Engineer

Ryan Briggs, PE is Arx Engineering’s principal and founder.  Ryan holds B.S. and M.S. degrees in civil engineering (emphasis structural) from Brigham Young University and has been engineering in Las Vegas since 2004.  He is a licensed civil engineer in the states indicated below.  He has served as a member of the structural committee for the Southern Nevada Building Official’s code amendment/adoption process. 

Ryan’s office nickname is “Stark” because he is the head honcho, and a handsome, rugged billionaire (in his dreams).  He believes one of his most important responsibilities is to make his employees laugh and enjoy work as much as humanly (and humanely) possible.  In his free time, Ryan likes to do manly things, like punching his punching bag and writing poetry.  Click on Ryan’s LinkedIn links below for more information.



Office Manager

Rebecca is Arx Engineering’s Office Manager.  She handles the books and keeps the office running smoothly.  Rebecca’s office nickname is “Pepper” because she handles all the logistics (well,12% of them), and she is married to the big boss. She enjoys spending time with her family, as well as pursuing personal fitness and nutrition goals, and is good at singing and cooking, and also painting (although she says she hates it).




Drafter/Assistant Designer

Christian is a CAD Technician at Arx Engineering since 2014. He works attentively with a focus on increasing work efficiency. He mainly works on drawings and calculations for wood framed residential construction. Additionally, he works on improving the company’s CAD workflow. Christian’s office nickname is “Jarvis” because of his computer troubleshooting expertise, AutoCAD dynamic block knowledge, and subtle sarcasm. He has made many dynamic blocks in AutoCAD to increase the workflow speed of all the employees.
Christian is currently studying Mechanical Engineering. In his spare time, Christian enjoys 3D printing, model building, and tinkering with electronics.


Drafter/Assistant Designer

Sariah is a drafter at Arx Engineering. She is intelligent and optimistic. She mainly works on garages, casitas, and patios. Additionally, she takes notes, keeps the meeting agenda, and prepares plans for printing. Around the office, her nickname is “Shuri” because of her ability to prepare the necessities for the company as well as her team members by keeping them on their toes (which may include the occasional prank).
In her spare time, Sariah reads, writes, plays many musical instruments, and does anything and everything crafty or inventive. 


Drafter/Assistant Designer

Benjamin is a CAD drafter at Arx Engineering. He excels at understanding the mathematical concepts behind drafting and engineering. He mainly works on one story additions with multi-slider doors. He is the office’s paperless expert, and he uploads all physical papers to the computer. Additionally, Benjamin sends reminders about meetings and ensures that they start and end on time. Benjamin’s office nickname is ”Dr. Strange” because he manages meeting times, office space, and keeps everything in balance.

Benjamin once created a miniature model of an entire house’s framing using Popsicle sticks. In his spare time, Benjamin enjoys 3D printing/ modelling and biking. 


I first contacted Ryan with Arx Engineering in 2012 from a referral given to be by a colleague….Since then I have engaged Arx Engineering on several Design Build projects and would recommend them to anyone in the industry. Ryan is easy to work with and always comes through when you need him. I look forward to working with Arx on many more projects in the future.

Joseph Crosland

Managing Member, Spectrum Construction

As a General Contractor that has performed 3000 projects in the past couple of years, we need a reliable and knowledgeable engineer to do our calcs and drawings timely and efficiently to handle our volume. Ryan and Arx consistently delivers for our needs and lets us get our work done.



Mike House

Owner, MK House Consulting, Inc.

I have personally used the services of Arx engineering on numerous occasions.  In every instance I have found them to be extremely knowledgeable, professional, and sensitive to the time and budget constraints I’ve been under.  The work they’ve done for me has always met the need, and has always considered the cost impact.  The owner, Ryan, has always gotten back to me in a timely manner when I had questions.

Mark McGhie

President, Chermac Builders, Inc.

Ryan and his team at Arx Engineering are top notch. As an architect and builder, I have worked with Arx Engineering for years on residential and commercial projects. I appreciate their attention to detail and willingness to spend the necessary time and resources to resolve complex issues. They are knowledgeable, fair, and always prompt to respond to my questions.

Jason Strodl

Owner, jasonstrodl adapture


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Ryan is a licensed civil engineer in the states shown on the map.


Arx Engineering Licenses

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