Charles Mann

Engineer I

Charlie has more than 20 years of experience in computer networking with a thorough understanding of TCP/IP, routing protocols, and firewall configuration. This vast experience has developed Charlie’s skills in network design, implementation, and troubleshooting LAN, WAN, VPN and WiFi networks.


  • Cisco Certified Network Associate (CCNA) - Routing & Switching


NetCraftsmen is a unique place to find the rock stars of the networking world. The most brilliant architects and engineers can be found at NetCraftsmen, and they are happy to share their knowledge with fellow employees.


The freedom, flexibility, and opportunities provided by NetCraftsmen are unparalleled in the industry. If there is a new technology that you are interested in, NetCraftsmen will find a way to get you up to speed.


I am involved with my son’s Boy Scout troop and can be found camping and hiking on the weekends. I am also a member of the 501st Legion, bringing the magic and joy of Star Wars to charitable organizations and children everywhere.


Nick Kelly

Cybersecurity Engineer, Cisco

Nick has over 20 years of experience in Security Operations and Security Sales. He is an avid student of cybersecurity and regularly engages with the Infosec community at events like BSides, RVASec, Derbycon and more. The son of an FBI forensics director, Nick holds a B.S. in Criminal Justice and is one of Cisco’s Fire Jumper Elite members. When he’s not working, he writes cyberpunk and punches aliens on his Playstation.


Virgilio “BONG” dela Cruz Jr.

CCDP, CCNA V, CCNP, Cisco IPS Express Security for AM/EE
Field Solutions Architect, Tech Data

Virgilio “Bong” has sixteen years of professional experience in IT industry from academe, technical and customer support, pre-sales, post sales, project management, training and enablement. He has worked in Cisco Technical Assistance Center (TAC) as a member of the WAN and LAN Switching team. Bong now works for Tech Data as the Field Solutions Architect with a focus on Cisco Security and holds a few Cisco certifications including Fire Jumper Elite.


John Cavanaugh

CCIE #1066, CCDE #20070002, CCAr
Chief Technology Officer, Practice Lead Security Services, NetCraftsmen

John is our CTO and the practice lead for a talented team of consultants focused on designing and delivering scalable and secure infrastructure solutions to customers across multiple industry verticals and technologies. Previously he has held several positions including Executive Director/Chief Architect for Global Network Services at JPMorgan Chase. In that capacity, he led a team managing network architecture and services.  Prior to his role at JPMorgan Chase, John was a Distinguished Engineer at Cisco working across a number of verticals including Higher Education, Finance, Retail, Government, and Health Care.

He is an expert in working with groups to identify business needs, and align technology strategies to enable business strategies, building in agility and scalability to allow for future changes. John is experienced in the architecture and design of highly available, secure, network infrastructure and data centers, and has worked on projects worldwide. He has worked in both the business and regulatory environments for the design and deployment of complex IT infrastructures.