Staff
Craig Warner, PE
- President, Professional Engineer
- 1985 Pennsylvania State University, BSMET
- Licensed in PA, CA, WI, MO, GA, TX, WV, NJ, VA and MD
- NCEES Record Holder
- Craig has 40 years of engineering experience in industrial facilities. He served 8 years as a plant engineer and 32 years at Plant Systems Engineering. Craigs main focus has been plant design and consulting for industrial clients processing chemicals, minerals, cement, food and agricultural raw materials.
- Community Involvement: Previous Assistant Baseball Coach at Northern York High School, Trail Maintainer for Susquehannock Trail System
- 717-795-9122 ext. 101
- cwarner@plantsys.com
- LinkedIn Profile
Jacob Warner
- Mechanical Engineer
- 2015 University of Pittsburgh, BSMET
- Jake has 10 years of engineering experience designing industrial piping, ducting, and material processing and handling systems. Specific areas of focus include dust collection systems, process piping systems, and crushing and screening process system development. Jake is also involved with cost estimating and overall project coordination. Jake has been a part of the Plant Systems Engineering team since 2018.
- Community Involvement: Assistant Coach at Dickinson College Baseball
- 717-795-9122 ext. 103
- jawarner@plantsys.com
- LinkedIn Profile
Joel Warner, EIT
- Civil Engineer
- 2021 Pennsylvania State University, BSCE
- Joel has 4 years of structural engineering experience designing a broad range of project scopes, including industrial processing facilities and silo structures. Joel participated in the Plant Systems Engineering internship program in 2018 while in his sophomore year at Pennsylvania State University. In 2025, Joel returned to Plant Systems Engineering as our lead Civil Engineer and will supplement the Plant Systems Engineering team with structural and civil engineering services. Joel is currently an EIT and anticipates receiving his PE license.
- Community Involvement: Volunteer Firefighter at West Shore Bureau of Fire
- 717-795-9122 ext. 104
- jpwarner@plantsys.com
- LinkedIn Profile
Mike Allen, P.E.
- Structural Engineer for Framing Systems
- 1979 Virginia Tech, BSCE
- 43 years of experience designing industrial structural framing systems for industrial applications and 8 years with the Army Corp of Engineers.
- 717-795-9122 ext. 100
- LinkedIn Profile
Brian Barrick
- Senior Mechanical Designer
- 2002 ITT Technical Institute, AS in Computer Aided Drafting Technology
- Brian has 23 years of experience designing material handling systems, piping, pollution control and process safety systems in industrial facilities. Brian has been a part of the Plant Systems Engineering team since 2002 and is proficient in 2D and 3D AutoDesk and also cost estimating.
- Community Involvement: Board Member at Dillsburg Youth Baseball
- 717-795-9122 ext. 102
- bbarrick@plantsys.com
- LinkedIn Profile
Kristina Warner
- Technical Specialist
- 2020 Harrisburg Area Community College, AA in Web Development & Design
- Kristina has 13 years experience supporting technical staff with research, document management and production of technical documents. She also produces 3D designs and animations for clients. Kristina has been a part of the Plant Systems Engineering team since 2012 and is proficient in Autocad as well as 3D applications like Blender and Autodesk Inventor.
- Community Involvement: Head Coach at Upper Allen Mechanicsburg Softball
- 717-795-9122 ext. 100
- kwarner@plantsys.com
- LinkedIn Profile
Joni Warner
- Accounting Manager
- 1983 Bloomsburg University, BS in Accounting
- Joni has 40 years of accounting experience, including the last 31 years at Plant Systems Engineering. Her previous work experience was with IBM Corporation and Masland Carpets in Carlisle, PA.
- 717-795-9122 ext. 100
- jwarner@plantsys.com
- LinkedIn Profile
Structural Associates
Dennis Adams, P.E.
- Associate Structural Engineer for plate analysis, silos and bins
- 26 years of experience designing industrial structural framing systems and vessels. Application expertise with ASME pressure vessels and plate work analysis for bins, silos, and hoppers.
- 717-795-9122 ext. 100