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.

Peter Cnossen, PE

Patrick Kiernan, PE

Patrick Kiernan is a professional engineer who has been with Jones & Cnossen Engineering since 2012, when he began interning during his sophomore year at NC State.  Patrick graduated from State in 2015 with a Bachelor’s degree in Civil Engineering and Spanish Language & Literature and transitioned to full time employment shortly after.  Patrick became fully licensed as a PE in January 2020 (#49836) and was made partner at Jones & Cnossen in 2022.  Outside of work, Patrick and his wife, Julia, have a family of two Siberian Huskies, Chipper and Meeko, and a fluffball kitty named Luna.  Patrick enjoys camping, playing music with friends, and is a huge fan of the Wolfpack, Panthers, Hurricanes, and Braves.

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.

Will Norton, PE

Erin Marcum, Office Manager

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 engineering intern at Jones & Cnossen Engineering and is planning to graduate from North Carolina State University in 2025 with a degree in Civil Engineering. Bradley started working for the company the summer of 2023 and began working part-time after the summer while during school. Originally from Greensboro, NC, Bradley loves to spend time outdoors and frequently skis, plays pickup basketball, and enjoys any and all outdoors activities.

Bradley Gentry, Intern

Kyle Williamson, CAD Drafter

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.