Angelo Guimmule

Supported Cisco network devices, Cisco UCS 5108/C480/C240/B200, Cisco APIC M2, Cisco ASA 5500, Aruba 7210, Sonicwall IDS NSA 5600, Forcepoint NGFW 2101, Cisco Firepower 4110, VMWare virtual machines, administration and configuration of Windows Active Directory with integrated DNS server and domain policies for FBI Headquarters in DC ·Provided advanced troubleshooting and support for Cisco routers, switches, firewalls, and load balancers. Resolved network outages, degraded performance, and collaborated with security teams to mitigage vulnerabilities. · Provided network support in maintaining the ERAS 3.0 network infrastructure including troubleshooting network issues with F5 load balancers, Cisco Firewalls, Cisco Nexus N9K & 7000 Series routers, and Windows servers. · Supported thebnew upgraded 3.0 Network infrastructure and troubleshooted network outages as needed. · Worked with security team and mitigated network security vulnerablities for routers, switches, Cisco ASAs.

Supported Cisco network devices, Cisco UCS 5108/C480/C240/B200, Cisco APIC M2, Cisco ASA 5500, Aruba 7210, Sonicwall IDS NSA 5600, Forcepoint NGFW 2101, Cisco Firepower 4110, VMWare virtual machines, administration and configuration of Windows Active Directory with integrated DNS server and domain policies for FBI Headquarters in DC Provideded analysis, troubleshooting and support to mitigate and resolve network outages or degraded performance. Assisted with implementing new switches, routers, firewalls, load balancers, and other network management/analysis/troubleshooting, and provided input for developing local operating procedures and policies. Provided network support in maintaining the ERAS 3.0 network infrastructure including troubleshooting network issues with F5 load balancers, Cisco Firewalls, Cisco Nexus N9K & 7000 Series routers, and Windows servers. Supported new upgraded 3.0 Network infrastructure and troubleshooted network outages as needed. Worked with security team and mitigated network security vulnerablities for routers, switches, Cisco ASAs, Forcepoint FW, and Aruba VPNs. Contributed to the development of network documentation, including diagrams, standards, specifications and operating procedures. Resolved incidents, problems, and change requests in accordance with service-level agreements (SLA’s) and approved maintenance windows & Monitored ticket queues during normal business hours. Maintained core switches and routers in backbone data center network as well as main company offices and managed network firewalls to enforce company policies. Assisted with implementing new Cisco switches, routers, firewalls, load balancers, and other network management/analysis/troubleshooting, and provided input for developing local operating procedures and policies as needed or requested.

Maintained enterprise level network infrastructure on Classified and Unclassified networks for Department of Energy network infrastructure to include supporting NNSA, ARPA-E, and IN organizations. Troubleshooted and manage equipment such as Cisco Catalyst 3850,3650 switches, Cisco WS-C6509-E, Nexus 7710 Core switches across multiple locations. Worked on DOE network configurations management, monitoring tools including rancid, SNMP and Netflow. Created new DHCP scope reservations using Infoblox appliance for DNS. Participated in Troubleshooting and resolving issues with the infrastructure services such as Routing and Switching, Firewalls to include Palo Alto 5020, and wireless technologies. Installed and configured hardware and software according to design specifications. Supported network configuration including routing protocols EIGRP, OSPF, BGP, and implementation of access control lists in different environments within the FBI Headquarters. Troubleshooted DOE network issues to include BGP, OSPF, and MPLS traffic and other routing protocols. Resolved and troublshooted VOIP issues and within the DOE network infrastructure. Prepared network equipment for deployment by loading appropriate software and configuration setting according to pre-engineered design templates. Upgraded configuration of existing network equipment to support new features and functions. Explained and discuss technical issues with customers in face-to-face meetings and conference calls; including regularly scheduled customer update calls and architecture reviews Supported the delivery of managed services support across a large IT infrastructure environment (LAN/WAN, server infrastructure). Responsible for supporting operations, performance, and availability of data, video and voice communications networks spanning 1000+ network devices. Also support design/engineering efforts related to any new infrastructure initiatives.

Provided technical LAN/WAN support & worked with high-speed technologies including Gigabit Ethernet, Fast Ethernet, VLAN and Frame Relay. Configured advanced IP address management & routing protocols including EIGRP, IGRP, OSPF & BGP. Responsible for all aspects of network communications including routing issues, Cisco IOS configurations, technical training & network security. Configured Cisco Catalyst 6500, 6000 Series switches.

CCNP CISCO CERTIFIED NETWORK PROFESSIONAL