• Heyer Engineering

South Dakota Heyer Hires Three


Robynn Steffen

Structural Engineer

Steffen grew up in the Fargo Moorhead area. She studied engineering at North Dakota State University and received a B.S. in civil engineering with a structural emphasis. She proceeded to work at one of Minneapolis’s top Structural Engineering firms directly after college. During her time in Twin Cities she gained an excellent background working on a variety of projects including commercial buildings, ethanol plants, churches, medical facilities, and high profile projects such as the “Target Stage” on Harriet Island. In 2005 she moved back to the Dakota area and continued to work as a structural engineer. Robynn has over 15 years of experience in the design, analysis, and construction coordination of many types of structures. She prides herself on problem solving and client satisfaction.


Michael Schuldt

Structural Designer

Mike graduated with a double major in Civil and Architectural Engineering from Southeast Tech in Sioux Falls, SD in 1992. He has worked in civil engineering, architectural, and structural engineering disciplines. Mike Joined the Heyer Engineering team as a Structural Designer in January of 2017. In his free time, he enjoys spending time with his wife and kids, attending his kid’s sports activities, coaching his kid’s softball and baseball teams, hunting, and camping.

Ryan Ollerich

Staff Engineer

Ryan attended South Dakota State University and graduated in May of 2006 with a B.S. in Civil Engineering. He worked for the family engineering business for the last 10 years as manager and project manager in the areas of structural and geotechnical engineering as well as materials testing. Ryan joined the Heyer Engineering team as a staff engineer in January 2017. He enjoys hunting, fishing, playing soccer, snow skiing and most importantly playing with and coaching his kids in their various activities.

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STRUCTURAL ENGINEER Heyer Engineering, a full service structural engineering consulting firm for 35 years, is seeking Structural Engineers to join our growing team in both our Sioux Falls, SD and Farg