•Design, deploy and troubleshoot IP and wireless networks such as IP network security, certification, authentication, enterprise IP networking, IP network management, remote access, and network access control in Aruba Clearpass environment.•Configuring for authentication and upgrades publisher and multiple subscribes in clearpass according to the requirements.•Maintaining, documenting, processing, and troubleshooting the network device standards and issues. •Assisting all network devices' names and interface descriptions in all locations for data centers and other remote locations according to the Naming Standard Conventions of the organization. •Creating detailed low-level and high-level design documentation using MS Visio involving all the details for implementation of Datacentre Network Connectivity and Secure Firewall infrastructure. •Experience with F5 load balancers LTM and GTM and reverse proxy design and setup. Configurations of APM and ASM.•Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using Panorama. •High-level network troubleshooting and diagnostic experience using Packet capture tools like Wireshark, ihealth for all network devices like switches, routers, firewalls, load balancers.•Creating pre-filter rules, access-control policies, Intrusion policies, Malware policies on Firepower (IPS, IDS, Malware Detection)•Implementing Firewall rules and NAT rules by generating precise methods of procedure (MOPs). Also, responsible for packet capture analysis, Syslog, and firewall log analysis.•Assist in creating network design standards for hardware and software. Developing and maintain Network Documentation (Visio diagrams, Excel spreadsheets, Word documents, etc.) Additionally, Configuring and troubleshooting network elements in a test/dev environment.

• Configured and allocated IP and network resources to multiple services and teams according to the requirements. • Installed and configured of Cisco Routers 3600, 3900 and Switches 3550, 3560, 3560E, 3750, 6500, 7200 routers for VLANs, Routing Protocols (OSPF, BGP), VPNs etc.• Configured and updated VLANs according to the business requirements. • Configured Spanning tree and PVST and its parameters such as Port fast, Uplink fast, backbone fast, loop guard, BPD guard, Root guard, port-security, BPD filter among 3850s, 3750s, 4500 switches. • Configured Ether channels, Trunks, VLANs in a LAN environment. Also, worked on Access, Core, and Distribution layers. • Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, STP, Inter VLAN routing, LAN security etc.• Worked on Layer 2 protocols such as STP, VTP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment.• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.• Testing VPC, BGP, OSPF, EIGTP, RIP, SPAN, Sflow, Vlan Trunking, SVI and power supplies on Nexus and ASR devices. • Also enabled SNMP credentials according to the desired requirements among all network devices within the WAN and campus infrastructure. • Retrieved complete inventory of all network devices in the fabric environment under the absence of network monitoring tools. • Installed and modified network monitoring tools such as cisco prime within the infrastructure according to the desired requirements. • Provided end-user technical support for LAN and remote users in a 24/7 environment.• Configuration and Maintenance of ASA 5585 firewalls with firepower, 5540, 5525 Firewalls using Cisco Security Manager (CSM).• Involved in complete LAN, WAN design and development including IP address planning, designing, installation, configuration, testing, maintenance etc.

• Worked on Datacentre Transformation and Transition project to support multiple migrations in switches, routers, firewalls, load balancers, and Gigamon’s. • Worked on Cisco, Gigamon, Juniper gear in a datacentre environment. Maintained, documented, and troubleshoot the network device standards and issues. • Regular OS upgrades and troubleshooting of Cisco Switches (2960, 3500,7600, 3750, 3850 series, 6500 series), Nexus 5k,7k, 9k & 2k, and Cisco Routers (4800, ASR 9K, 800) using SCP server. • Performed disaster recovery operations and data backups when required during the transition. • Experienced with Cisco IOS with TAC support procedures. • Experienced with Network Monitoring tools, Net Brain, Infoblox, ticketing tools, and a thorough understanding of workflows in corporate environments that include financial clients. • Created detailed low-level and high-level design documentation using MS Visio involving all the details for implementation of Datacentre Network Connectivity and Secure Firewall infrastructure. • Worked with the Network Management team in the process of planning and execution of device configurations and upgrades. • Worked with Vulnerability Management Team to proactively locate, identify, and assess vulnerabilities and document the Qualys data according to the SLA team requirements.• Experienced with High-level network troubleshooting and diagnostic using Packet capture tools like Wireshark. • Migrated legacy Cisco ASA firewalls to PA firewalls. Palo Alto designed, configured, and maintained Successfully installed PA-5000 series firewalls in Datacentre as perimeter Firewalls. • Provided expert-level security and networking knowledge in the planning, researching, designing, and testing of new networking technologies for perimeter firewall security, Intrusion Prevention/Protection System (IPS), DNS and DMZ security, and Internet Security.

• Performed subnetting of the IP addresses. Installed Hardware and software when required and necessary and keep it up-to-date and secure. • Initially involved in installations, technical support, troubleshooting and maintenance of network equipment physically and virtually. • Cisco IOS and related experience with TAC support procedures.• Monitored the performance of the network devices. Performed Troubleshooting and observed directing conventions such as OSPF, EIGRP & BGP. • Worked on the Cisco switches 2950, 3560 and the Cisco routers 2500, 2600, 2800. • Configured VLAN, Spanning tree, VSTP, SNMP on switches. Troubleshooting of Linux and Unix servers for application delivery servers. • High-level network troubleshooting and diagnostic experience using Packet capture tools like Wireshark, SolarWinds, NetScout. • Configured IPv4 VPNs using IP Sec VPNs. Escalating issue to higher network teams.• Troubleshoot and Worked with Security issues related to Cisco ASA/ PIX, Checkpoint, IDS/IPS and Juniper Net screen firewalls. Performed Access Control Lists (ACLs) to setup usage for the intended users.• Analysed data sets using statistical techniques and providing reports accordingly. • Acquiring data from primary and secondary sources and maintain data systems. • Created and designed the Functional Requirements Documentation according to the required system reports. • Developed and performed the data validity and integrity. • Constantly monitoring and securing the system updates, patches and permission across the organization. • Handling the back-ups and training new students on the technology and support as needed.