Nicholas Lars Dennis

• Deployed Palo Alto's Panorama firewall management center.
• Managed, led, and implemented standardization project for Palo Alto Internet Firewalls.
• Designed and deployed Palo Alto VPN solution for the company.
• Lead Engineer during acquisitions for WAN routing architecture.
• Architected and implemented firewall segmentation solution for manufacturing areas.
• Lead Engineer for the decommission of Cleveland and Canton Data Centers.
• Developed and implemented network routing, switching, and security standards.
• Escalation contact for all critical network and security issues.

• Sole network/security engineer for the entire company.
• Implemented Cisco ASA5555-X firewalls for micro segmentation to achieve PCI compliance.
• Deployed private fiber circuits to AWS for redundant connectivity to large AWS footprint.
• Responsible for all data center network devices carry over 2Gbps of live production voice traffic.
• Created and implemented network and security standards for the company.
• Managed all network and security equipment at 4 data centers and 2 office locations.
• Successfully deployed LogicMonitor to monitor all network devices and alert with PagerDuty on issues.

• Lead Senior Network Engineer for the Midwest US region.
• Maintained the network supplying all Video, HSD, Voice, IT, and Commercial traffic.
• Implemented standards for all managed network routers and switches.
• Lead engineer on deploying 140 Juniper QFX 5100s core routers to support Charter 'MAX' services in Northeast Ohio.
• Led bandwidth upgrade project at POP and data center locations.
• Supported Cisco multi-chassis CRS B2B, CRS 8+1, and ASR9922 ABRs.
• Managed IP space for video and core networks.
• Escalation contact for all major outages and core issues across the region.
• Managed the IT network for all Charter/TWC retail and office buildings.

• Implemented and configured Cisco Nexus 7000 Core OTV network.
• Redesigned routing across the entire network to be more dynamic and redundant.
• Helped create and lock down security policies on all network devices.
• Configured back up IPSEC/GRE BGP VPN tunnels for remote sites.
• Optimized BGP multi-homing configuration between data centers.
• Created standards and common practices to be implemented across all network devices.

• Implemented network infrastructure to support AT&T's cellular data network.
• Responsible for projects from start to production ready within strict deadlines.
• Worked with AT&T operation engineers on projects and upgrades.
• Acted as Project Manager, Project Coordinator, and Network Engineer on projects.
• Experience with cutting edge Cisco ASR, Nexus, F5, and Juniper MX /SRX platforms.
• Fast paced, strict deadlines, and no room for error type network environment.

• Lead Senior Network Engineer for the Midwest region commercial network (4 states).
• Helped develop and deploy standard practices and configurations for core and backbone networks.
• Project and Engineering lead for migrating 102 Cleveland Schools to new Juniper MX CWDM BGP Multicast network.
• Managed public IP space for the US Midwest region.
• Maintained legacy Cisco and Foundry networks for Ohio.
• On-call 24/7/365 for the entire Midwest US regional commercial network.

• Responsible for the Cisco/Juniper/Tellabs commercial backbone networks.
• Project Manager for migrating 100 legacy fiber circuits onto the Tellabs MPLS network.
• Managed the Cleveland, OH POP Data Center.
• Deployed new Tellabs routers and meshed with the core OSPF/RSVP/MPLS network.
• Supported the Juniper MX960 network Multicast Video network.
• Managed and maintained 17 CWDM fiber rings for the Cleveland School District.
• Designed and implemented new fiber circuits in Northeast Ohio.
• On-call 24/7/365 for Cisco and Tellabs commercial networks.

• Supported Business Class Fiber and DOCSIS services.
• Responsible for deploying and troubleshooting MPLS and Internet circuits.
• Supported Cisco and Tellabs hardware.
• Worked with the following protocols: RIP, OSPF, MPLS, and BGP.

• Provided technical support for ISDN, DSL, and T1 connections.
• Responsible for troubleshooting home and small-to-large business networks.
• Supported Cisco, Netopia and SonicWall router and firewall devices.
• Worked with carrier providers to troubleshoot core routing issues.

• Technical Work Experience Program while attending High School.
• Imaged and deployed desktop computers.
• Deployed and replaced network switches.
• Supported Novell for the school network.