Christopher Barnhart Email & Phone Number

St Louis, Missouri, United States

Town And Country, Missouri, United States

• Reduced outages on Spectrum's nationwide network by reviewing maintenance tickets and technical Method of Procedure (MOP) documentation for accuracy and policy compliance, before approving the work.
• Reviewed maintenances in a timely manner, such that no maintenance was delayed by Change Management review process, including emergency work submitted with minimal lead time
• Ensured network maintenance was not in conflict with any of ~1.8K nightly maintenance tasks
• Minimized negative customer experience by reducing over-reported impact, which could cause customer trouble calls to be wrongly deflected
• Collaborated with leadership to implement policy guardrails, protecting network from Core / Backbone Operations maintenances, and meeting contractual obligations to notify customers
• Analyzed outages, collaborating with Root Cause Analysis team to advise leadership on methods of improving maintenance documentation and testing procedures to prevent similar outages going forward

St Louis, Missouri, United States

• Assisted with Windows domain migration, hardware refresh, and physical move into a new office.
• Provided friendly face-to-face desktop support for Windows 7, wired / wireless connectivity, printers, network drives, and application support for wide variety of software, including Office 2010, Office 365, and Palo.

Earth City, Missouri, United States

• Maintained and supported managed routers, VPNs, VoIP and wireless access points for business customers, from single-location businesses to nationwide chains like Dollar General and Michael’s.
• Resolved complex, often multi-day problems with corporate broadband connections in Cisco routers and switches, Cradlepoint routers, Meraki, and Mojo wireless access points, and an Asterisk-based VoIP device
• Planned and implemented Cisco IOS upgrade projects, identifying routers in need of upgrades, and upgrading routers to current security and configuration standards
• Tested Cisco routers, identifying defective devices and claiming warranty replacements
• Monitored customer broadband connections for connectivity and performance

Scott AFB, Illinois, United States

• Enabled success of countless missions by configuring and maintaining tactical military network, connecting deployed US armed forces, US federal agencies, and allied coalition partners with classified and unclassified.
• Configured and troubleshot Cisco and Juniper routers, Cisco switches, firewalls (Cisco, Palo Alto, and McAfee Enterprise), satellite modems, and network encryption devices
• Secured classified information by ensuring network and users complied with NSA-mandated security policy
• Configured, troubleshot, and maintained VoIP networks in Cisco Call Manager and NET VX
• Supported non-DoD Mission Partner access to select classified assets via 2 DMZs

O'Fallon, Missouri, United States

Configured and troubleshot Internet & VPN products in Cisco, Juniper, AdTran, and Tasman routers & switches, configuring interfaces, traffic policers, static routing, OSPF, BGP, and MPLS

Chesterfield, Missouri, United States

• Configured and troubleshot T1 & DSL internet and frame-relay circuits, managed router care, email, DNS, and web hosting
• Provisioned and repaired DSL, T1, and frame relay circuits in a wide range of network elements

Completed Courses Within The English, Computer Science And Philosophy Programs

High School Diploma