Dhanush Reddy Email & Phone Number

Jersey City, Nj, Us

Working on Bandwidth Optimization project to implement SD-WAN using EMC Velocloud and Cloud security appliance Zscaler.Deploying and decommissioning Cisco switches/Firewalls and their respective software upgrades. Hands on experience in Installing and Configuring Palo Alto PA-3060 Firewalls to protect Data Center. Implemented Palo Alto solution for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not impact stream processing. Experience in Configuring VPN, routing, NAT, access-list, security contexts, and failover in ASA firewalls.Worked on Aruba Access Switches which gives performance of deliver simplicity, scalability and security for smooth wireless and IoT aggregation.Worked on Aruba Core Switche Aruba 8400 used to simplifies and automates complex tasks by extending intelligence and visibility to the network core with Aruba OS-CXPerforming troubleshooting on slow network connectivity issues, and Performance on F5 and Cisco ASA Firewalls. To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.Maintained TACACS+/RADIUS Servers for AAA authentication and User authentication. Provided VPN services to site-to-site and, Remote access VPNs using IPSec tunneling. Work with IP for any vulnerabilities /ACLS and remediate as needed.Maintenance and troubleshooting of LAN, WAN, IP Routing, Multilayer Switching.Configured Iwan utilizing PFR (Performance Routing). WAN Pilot project to convert branches from dual T1 circuits to Iwan only broadband circuit. To Enable Internet WAN connectivity for the Lab. Test and turn-up IWAN link and disable the 2 existing T1 circuits, running branch on IWAN only.Designed & Deployed Cisco ISE and Provided comprehensive guest access management for Cisco ISE administrators. Configured Cisco ISE for Domain Integration and Active Directory Integration.

Performed network engineering, design, planning (WAN & LAN) & implementation. Studied single point failures & designed WAN structure in such a way that there are no failures in network in case of any device or link failure.Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches. Configured Cisco ASR routers such as ASR 1013, 1009-X, 1006, 1006-X, 1004, 1002-HX, 1002-X, 1001-X routers.Extensive experience in building python management controllers for deploying storage, networking and Node configuration. Wrote a variety script in PowerShell and Python to monitor performance, automate tasks, and generate reports.Actively involved in Switching Technology Administration including creating and managing VLANS, PortSecurity-802.1x, Trucking 802.1Q, RPVST+, Inter-VLAN routing and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232,5596,7009.Setting up VLANS and configuring ISL trunk on Fast-Ethernet channel between Switches. Implemented zone-based firewalling and security rules on the Palo Alto Firewall. Experience with converting Palo Alto VPN rules over to the Cisco ASA solution. Migration with both Palo Alto and Cisco ASA VPN experience. Network-wide implementation of F5 Traffic steering nodes with TCP acceleration.Determining the functionality with the DNS naming conventions and migrations from old load balancing environments to the F5 environment. Worked with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience. Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come online or that may have been altered during various planned network changes on the network.Worked with network services like DNS, DHCP, DDNS, IP4, IP6, IPsec, VPN, etc. Worked with the physical server migration to AWS data center.

Designed and implemented enterprise-wide data network projects.Established, managed, and optimized network uptime and provided end-user support for users.Worked closely with the security team on the deployment and troubleshooting of Cisco ASA firewall to apply policies.Provided high level of security to the network by installing ASA 5500 along with ACLs. Establishing VPN Tunnels using IPsec encryption standards and configuring site-to-site VPN, Remote VPN.Defined policies, NAT and anti-spoofing for internal, external networks as well as Internet gateways. Designed and implemented DMZ for Web servers, Mail servers & SNMP, FTP Servers using Cisco ASA Firewalls.Configure Syslog server in the network for capturing and log's from firewalls.Installed and configured high availability Big IP F5 LTM, Adding virtual IPs, nodes, pools and health monitoring.Configured Virtual Servers object and associated with derived pool. Also perform Static and Dynamic Load Balancing.Performed priority-based pool member activation to manipulate load on servers.Implemented High Availability Configuration on F5 LTM Load Balancer, Failover backup environment in case of any failure.Hands on experience in implementation and management of Wireless networks, which includes Cisco Light Weight.Access Points (LWAP) and Cisco Wireless Controllers.Provided Tier 3 support to Data Center (Server, Cisco Catalyst and Nexus Devices) and handle incident tickets related to the issues in the Firewall, Routing, Switching and Wireless Devices.Worked on Nexus devices for implementing Virtual Port Channels, Profiles and VPC peer links using fabric path. Also Configured Nexus 2k (FEX) to act as a remote line card to the nexus 5k switches.

Configured Cisco routers, switches, firewalls and basic infrastructure technologies.Monitored network management tools to help assist in review existing network designs for improvements and simplifications.Performed hardware troubleshooting and maintenance, support of test environment tools, simulation/emulation and load generation. Maintained network inventory and created automated scripts for batch jobs. Managed and administered network security using 2003 Active Directory with Exchange 2003.Documented all work progress, including any errors or outstanding issues from nightly conversions, and provided status updates to management and team members.Coordinating with service providers for WAN link outages.Managed network asset inventory. Worked for Infrastructure team of the Sify Data Center and worked in 24/7 environments.Reviewed IOS error messages in the switch logs, improved any technical deficiencies, and scheduled IOS upgrades.Obtained training in Networking and Relational Database.Created and maintained PL/SQL procedures, Functions, Packages, Cursors and Triggers.

Worked on Cisco routers 7200, 3700 and Cisco switches 4900, 2900. Key contributions include troubleshooting of complex LAN/WAN infrastructure that include.Configured firewall logging, DMZs, related security policies and monitoring. Creating private VLANs & preventing VLAN hopping attacks and mitigating spoofing with snooping & IP source guard.Installed and configured Cisco PIX 535 series firewall and configured remote access IPSEC VPN on Cisco PIX Firewall. Enabled STP enhancements to speed up the network convergence that include Port-fast, Uplink-fast and backbone-fast.Providing direct support for all hardware moves, add and changes for the VoIP devices and troubleshooting with customers onsite and remote.Provided operational support for network topologies and connections TCP/IP, ATM, VoIP, MGCP, and MPLS.Experiencing working with end users supporting and setting up new accounts with 7900 series VoIP phones for Configuring CUC & CUCM. Configuration and maintenance of Call Manager, CUC, IP Phones, IP Communicators, troubleshooting user related issues, proactive and reactive monitoring of VOIP Server and VOIP Gateways.