Smoky Hill Engineering, LLC, is a Colorado-based Civil and Structural Engineering Consulting Company. Our staff members are highly skilled and experienced Professional Engineers (PEs), licensed to practice in most states and representing some of the highest esteemed Denver Engineering Firms.

Our client list consists of developers, small and large contractors, builders, EPC companies, architect offices, public agencies, power companies, and renewable energy companies. Our overhead cost is minimal, meaning that our engineering services are always affordable as we only charge for time and resources spent on your projects.

We pride ourselves on providing quality engineering services at reasonable prices.

A Team Built to Solve

All of our team members are committed to providing high quality services without charging exorbitant prices or compromising on quality in order to meet deadlines or price ranges. We’re always delivering our best, and have handpicked our team to fit those ideals.


Our Values

Deliver Quality Work

We’re dedicated to delivering high quality work that fulfills and exceeds your expectations. We’ve worked on high profile engineering projects such as the Denver International Airport Expansion Project, and we’d be happy to work on yours as well.

Cultivate a Community

Our goal is forming long-lasting relationships with our clients and with the various communities we serve, bringing to life engineering projects that innovate and improve on various aspects of daily life.

Think Outside the Box

We don’t just take the straightforward path to finish our jobs. We’re constantly experimenting with new and more efficient ways to deliver on projects, or to solve an old problem in a fresh and exciting way. We aim to stay flexible even in an industry known for being immovable. 


Demeke B. Ashebo, Ph.D., P.E., Principal

Demeke has a wealth of experience spanning over 18 years in diverse industries, including aviation, transportation, energy, and industrial projects. With his dexterity in civil and structural engineering, Demeke exhibits responsiveness and a strong desire to meet clients’ expectations right from the pre-design site selection process through to the completion stages of their projects.
Prior to founding Smoky Hill Engineering, LLC, Demeke worked with leading global companies such as Boeing, Abengoa, Gannett Fleming Inc, AWS Truepower LLC, Kiewit, and Quanta Services; holding senior engineering and managerial positions as he contributed immensely to the growth of these organizations.
A few of his fields of expertise in the civil and structural engineering industry include engineering analysis and design, QA/QC, EPC and Design-Build projects, contract documents, technical specification, field inspection, independent engineering, and project management. Demeke has also forwarded the advancement of civil and structural engineering research and development. He published his research in reputable peer-reviewed journals in the industry, and his publications can be found on Google Scholar.
Demeke holds a Ph.D. in Civil Engineering, M.Sc. in Structural Engineering and B.Sc. in Civil Engineering. He is a licensed professional engineer holding licenses in multiple states.

Randall A. Lopez, E.I.T., Civil and Structural Engineer

Randall joined Smoky Hill Engineering as a civil and structural engineer responsible for analyzing and designing civil and structural engineering projects. Randall supports our engineering design and permits work and helps the team in meeting our clients’ design needs. Randall is also involved with civil and structural engineering inspection of various size projects.

Randall is well versed in AutoCAD 3D, Mathcad, and several FEM programs and has a Bachelor of Science Degree in Civil Engineering from Auburn University, Auburn, AL.

Erik M. Mackell, Quality Control (QC) and Commissioning Engineer

Erik joined Smoky Hill Engineering as Quality Control (QC) and Commissioning Engineer with a degree in chemical & biological engineering and a minor in business administration from Colorado State University.

Erik has international experience as a client-focused problem solver answering all questions, comments, and concerns. This includes providing thorough technical knowledge regarding facility plumbing & electrical equipment, verifying PLC communication protocols, wiring electrical control panels, and training clients on the operation of equipment while also providing any necessary documentation to customers. Erik has management and contractor experience in water filtration systems.

Tanner Schropp, Quality Control (QC) Engineer

Tanner obtained a bachelor’s degree in Civil Engineering from the University of Iowa. Upon receiving his Civil Engineering degree, Tanner worked as a construction engineer for two years as he gained valuable inspection and QA/QC work experience on various transportation projects.

Tanner joined Smoky Hill Engineering as a Quality Control (QC) Field Engineer. He is responsible for quality control engineering of airfield paving, CMU wall installations, civil works, underground utility, and concrete and steel structures. He oversees several construction activities and ensures constructions are conducted in accordance with approved drawings, specifications, approved submittals, and RFIs. Tanner has built lasting relationships with contractors, designers, and clients alike.