Who We Are

Peter Cnossen has been with the firm since 1995 and was made partner in 2001. His responsibilities for the firm include; principal project designer in the planning, engineering and construction management process, business development and oversight of human resources. He also brings over 8 years of geotechnical engineering experience to the firm which benefits our clients construction management needs by offering creative solutions to challenging land development construction problems. Peter received his BS in Civil Engineering from Northeastern University in 1985 and his ME in Civil Engineering from Virginia Tech in 1987. He received his North Carolina Professional Engineering license (#17252) in 1991.

Patrick Kiernan has been with Jones & Cnossen Engineering since 2012. After graduating from N.C. State in 2015, Patrick became a licensed professional engineer in 2020 (#49836) and joined the firm as a partner in 2022. His work at Jones & Cnossen focuses on project management, principal project design, and business development.  Outside of the office, Patrick and his wife, Julia, stay busy raising their two boys, Miller and Walker. When he’s not working, he can usually be found enjoying the outdoors, spending time with his family and dogs, or cheering on the Wolfpack, Braves or Panthers.

Will Norton is a full time professional engineer at Jones & Cnossen Engineering having been licensed in January 2022 (#53580); he became a partner in January 2024. He is a 2017 North Carolina State University graduate where he studied Civil Engineering and Horticultural Science. Will is originally from Lumberton, NC and began working at Jones & Cnossen in 2015 as an intern. Growing up in a landscape contracting business, Will has an appreciation for working with existing land and topography to beautify and enhance the functionality to a client’s desire. Will and Cassie, his fiancee, have 2 energetic pups, Penny and Willy. When Will is not in the office he enjoys hunting, playing golf, and traveling to the coast.

Erin Marcum is currently the Office Manager responsible for bookkeeping, billing, payroll and Human Resources functions. She joined Jones & Cnossen Engineering in 2015 as an Administrative Assistant. Erin graduated from Capital University in Columbus, Ohio with a Bachelor of Arts in Management. Her previous experience in bank operations, credit card operations, bookkeeping, office management and customer service, gives her the ability to contribute toward the company goals of client satisfaction and excellence in everything we do.

Bradley Gentry is an Engineer-in-Training (EIT) and a 2025 graduate of North Carolina State University with a B.S. in Civil Engineering. Having been with Jones & Cnossen Engineering since the summer of 2023, Bradley has transitioned from an intern to a full time employee upon graduation. He is highly proficient and enjoys using software, including Carlson Civil 3D, HydroCAD, and Microsoft Excel, utilizing these tools to make projects happen.

Outside of the office, Bradley stays active by golfing and spending time outdoors. An avid cook and a loyal Wolfpack fan, he enjoys following college basketball and football during his free time.

Kyle Williamson is a CAD Drafter that joined Jones & Cnossen Engineering in April of 2024.  He comes in with experience in ground improvement construction and a drive to continue improving the area around him. Born and raised in Raleigh, Kyle obtained his Associate of Engineering from Wake Tech in December 2023. Kyle and Arielle, his fiancée, have 2 loving cats, Batman and Simba. During his free time, Kyle enjoys gaming, target shooting, and Wolfpack sports.