Nathan offers over a decade of experience in network consulting, design and implementation. In addition to leading Northpoint Consulting, he also teaches several classes for his clients, and enjoys music, photography and spending time with his family.
Nathan Clark - Certifications and Expertise
Education/Certifications
Master of Science in Electrical Engineering
Bachelor of Science in Electrical Engineering
Cisco Certified Internetworking Expert (CCIE) #4728
LAN Technologies
Extensive experience building large, fault tolerant layer 3 switched networks.
LAN technology expertise - 10/100/Gig/TenGig Ethernet, Wireless (802.11a/b/g/n), Wireless LAN Controllers, ATM, FDDI, Layer 2 QoS.
WAN Technologies
Design and implementation of many WAN’s often with quality of service for integration of voice, video and data. Design and implementation experience with WAN acceleration techniques.
WAN technology expertise - T1/T3/OC3, Metro Ethernet, MPLS, Satellite, 3G Wireless, ATM, Frame Relay, PPP, ISDN backup, WAN Acceleration.
Routing Technologies
Routing experience on many types of IP networks with multiple protocols and redistribution.
Routing technology expertise – OSPF, BGP, EIGRP, VRF, PIM, Protocol Redistribution.
Multi-service Technologies
Architect and implementation engineer for many voice and video over IP networks. Designed and implemented several IP based call centers including ACD/IVR systems with database access and screen pops to agents.
Multi-service technology expertise - VoIP, VoFR, PBX integration and toll bypass, unified messaging systems, IVR, ACD systems, E.911, video conferencing and streaming, multicast, quality of service.
Security Technologies
Architect of multiple security solutions integrating firewalls, intrusion detection, VPN and encryption technology.
Security technology expertise - NAT, packet filtering, stateful/proxy firewalls, operating system hardening, remote user and site-to-site VPN’s, wireless security, Radius and Tacacs+ authentication, security device management.
Internet Technologies
Network designer and part of implementation team for several internet sites and portals. Designs included fault tolerant server and global load balancing, multi-homed internet service and first class security and management.
Internet technology expertise - BGP, Layer 1-7 server load balancing, DNS load balancing, out of band management, internet security.
Operating Systems and Programming Technologies
Integration of layer 3 networks in Windows, Unix and Macintosh environments.
OS and programming expertise – Cisco IOS, Juniper Junos, UNIX/ Windows 2000/2003 administration, LDAP, DNS, DHCP, IP address changes and migrations.
Programming - C, HTML, ASP, Crystal Reports, VHDL, Embedded systems.