ian barr
@ianbarr
Network Engineer specializing in Cisco security, ISE, VPNs and enterprise routing/switching.
United StatesWhat I'm looking for
I am a hands-on Network Engineer with over a decade of practical experience deploying and maintaining Cisco routing, switching, firewall and ISE solutions across enterprise datacenters.
I have implemented VPNs (GETVPN, FLEXVPN, DMVPN, IPsec), TrustSec designs, device posturing and multiple ISE services including guest, profiling and 802.1X/MAB.
My background includes managing OSPF/EIGRP internally and BGP for external routing, HSRP, ACLs, QoS, trunking, etherchannels and datacenter physical installs and troubleshooting.
I hold multiple active Cisco certifications (CCNA/CCNP-level and security-related credentials), run a physical lab to validate designs, and am actively pursuing CCIE Security to further validate my expertise.
Experience
Work history, roles, and key accomplishments
Network Engineer
Exelon Power Corporation
Jan 2020 - Jan 2025 (5 years)
Configured Cisco switches, routers, firewalls and deployed Cisco ISE services (guest access, profiling, posturing) to meet compliance, implemented TrustSec designs, and performed datacenter installs and on-call troubleshooting over a multi-year engagement.
Network Engineer
SpaceX Starlink
Jan 2014 - Jan 2020 (6 years)
Maintained LAN/WAN connectivity, deployed VPNs and firewall configurations, managed WLAN via WLC/LWAP with ISE integration, and operated network monitoring and fault remediation for on-premise service infrastructure.
Education
Degrees, certifications, and relevant coursework
No formal college education
No degree, Network Engineering
Activities and societies: Self-study using Cisco Press and Pearson materials, hands-on physical lab, network simulator practice, professional certification preparation
Self-taught networking and security professional with extensive hands-on experience, lab practice, and industry certifications in Cisco technologies.
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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