Sreechandra Velagapudi

adui1l@r.postjobfree.com

+1-856-***-****

Summary:

Experienced of 10 years in network engineer and projects encompassing onsite & offsite planning, feasibility studies, detail development, deployments for complex information & troubleshooting for complex routing and switching problem.

Worked on configuration and troubleshooting of Palo Alto 800, 3k, 3260, 5060, 5220, 5430, 7050 and 7080 series firewalls. Fortinet Firewall 300D, 500E & 60D firewalls.

Leveraged IT proficiency in configuring the Routers (CISCO) with different routing Protocols (RIP V1/V2, EIGRP, and OSPF).

Hold distinction in optimizing the network/system performance by executing the changes, including BGP, OSPF, RIP and EIGRP.

Proficient in overseeing and managing the Network Elements (Routers, Core switches).

IP/Subnet configuration with static or DHCP assigned IP address. DNS setup, Fluent networking expertise with DNS, DHCP, HTTP and Operating Systems.

Honed skills in determining over 20 network Vulnerabilities and Penetration Testing (VAPT) by testing infrastructure security and tracking potential threats to the Network.

Experienced in Juniper Routers, Switches such as MX-960, MX104, MX240, EX4200, EX4300, EX4550, EX8208 and CISCO Routers, Switches such as Catalyst Switches 2960, 3750, 3850 &Cisco routers series 1100, 1921, 1841 and ASR1K.

Worked on SDWAN (Cisco Viptela & Meraki), SD-Access (SD-Access (DNA C)), Cloud computing (AWS).

Adept in installation, configuration, maintenance & troubleshooting of wide network topology made of Cloud (AWS) services and peripherals in multi-platform environments ensuring maximum uptime.

Working on core network & security technologies starting from Network LAN, WAN, F5 BIG IP 15000 Series / 2RU, BIG-IP i7000 series / 1RU series LTM and GTM load -balancing in coordination through ITIL implementation model considering Incident, change and problem management.

Supported over 1000 users, including Lan cables, ports, routers, switches, Load Balancers, and VPNs by designing, configuring, and installing all Data Center Network Devices.

Cyber Security: Associated with teams internal and external to cyber security in managing tools that include but are not limited to allowing technologies, data loss prevention, malware prevention, and real-time metrics reporting.

Technical Skills

Routing &Switching

Juniper MX-960, MX104, MX240, EX4200, EX4300, EX4550, EX8208 and CISCO Catalyst Switches 2960, 3750, 3850 & Cisco routers 1100, 1921, 1841 and ASR1K.

Switching

VLAN, VTP, STP, HSRP, Ether-channel, VSS

Data Center

Nexus-9K, 7K, 5K, 2K, FEX, vPC& Arista

Firewall

Palo Alto 800, 3k, 3260, 5060, 5220, 5430, 7050 and 7080

Checkpoint R76/R77 75+ 15000, 21400, 23000 and Fortinet 300D, 500E & 60D

AWS

VPC, EC2 Instance, S3 Buckets, Auto scaling, AWS IAM, ELB

F5 Load Balancers

LTM, GTM, SSL offloading, VIP, Pool, TCPDUMP, Troubleshooting

Certifications

CCNA(R&S), CCNP(R&S), CEH and CISA

Professional Experience

Hyperion Technologies LLC. (USA) June 2022 to till date.

Network Admin and Palo Alto firewall Engineer.

Configuring and managing the Palo Alto firewall with Panorama. Security policy, NAT Policy, Antivirus, Dynamic and IOS upgrade.

Ernst Young (EY) Aug 2016 to May 2022.

Role: Senior Network Engineer

Responsibilities:

Worked on deploying, designing, configuring, maintaining, and fixing most of the network security implementations of Palo Alto 800/3260/5060/5430/7080 series firewalls.

Experienced in Support, monitor and take care of existing configuration changes for Palo Alto Networks.

Experienced in configuring and managing Palo Alto firewall with Panorama. Security policy, NAT policy, Antivirus, Dynamic and IOS upgrade.

Worked on and configuring, maintaining, and troubleshooting of CheckpointR76/R77, 75+, 15000, 21400, 23000 series Firewall.

Experienced in configuration and troubleshooting of Site to Site as well as Remote Access VPN on Cisco Palo Alto and Check Point firewalls.

Experienced on implementing Port-Channel, STP, RSTP, PVST, VTP, HSRP, VRRP, ACL, VDC and VPC in Nexus 9220 (9k), 7010 (7K), 5555 (5k) and 3250 (3k) data center switches.

Worked on implemented Cisco Application Centric Infrastructure (Cisco ACI) as a solution for data centers using a Spine and Leaf architecture.

Experienced in worked on Deployment, Support and Troubleshoot on Cisco ACI Fabric and APIC cluster.

Working experience with orchestrate, manage and monitor the Cisco Viptela SD-WAN cloud infrastructure

Experience with routing domain (BGP, OSPF, EIGRP) in SD-WAN environment.

Worked on experienced in designing the T1, T2 and T3 sites.

Working experience with managing full AWS Lifecycle, Provisioning and Security.

Experience in monitor high availability and performance extent of AWS resources and manage disaster recovery and create backups of AWS resources.

Responsible for designing enterprise network solution comprising of Wireless, LAN, WAN, Meraki wireless devices.

Experience in analyze, design, implement and maintain the network's BIG-IP LTM F5 Load Balancer BIG-IP i15000 Series / 2RU, BIG-IP i7000 series / 1RU infrastructure.

Experience with BIG-IP environment utilizing two or more of the following: GTM, LTM, APM or ASM.

Worked on BIG-IP Access Policy Manager (APM) contextually secures, simplifies, and protects user access to apps and data, while delivering the most scalable access gateway.

Experience in Agile/Jira stories related to new network deployment & design, production deployment, upgradation in infrastructure, Data center/site migration, Product Evaluation and POC’s for new products.

Tata Consultancy Service (TCS) Aug 2013 to July 2016

Role: Network Administrator (USA Client)

Responsibilities:

Worked on networking expertise with DNS, DHCP, HTTP and Operating Systems. Firewall Installation, Configure & management for corporate network.

Researched, and deployed new tools and equipment to reduce downtime, support data consistency and company security.

Worked on implemented Active/ Standby HA configuration on Juniper Firewalls.

Experienced in creation and modification of Policy on Fortinet Firewall 300D, 500E & 60D series.

Working with configure objects, rules, and settings to define a security policy on FortiGate Firewall.

Worked on Data Center network infrastructure to provide connectivity to 2500 servers on Arista data center switching.

Experienced on troubleshooting and managing different types of Cisco Catalyst Switches 2960, 3750, 3850&Cisco routers series 1100, 1921, 1841 and ASR1K.

Involved in Viptela devices on manage required for SD-WAN implementation.

Experience on daily port checking and done changes as per CRQ in F5Load Balancers.

Working experience in Solution Analysis, Integration & Delivery of IP Networks.

Experience in troubleshooting on IP, TCP, PPP, EIGRP, OSPF, BGP, MPLS (L2 & L3 VPN), STP, VRRP, VLAN, TRUNKING.

Worked in Solution planning of IP Networks, LAN, WAN & Data center (Data network infrastructure)

HCL Technologies. Apr 2012 to July 2013

Role: Network Administrator

Responsibilities:

Worked on Implementing & Troubleshooting checkpoint Firewalls, Creating Policies and rules in Checkpoint.

Experience for site-to-site IP Sec VPNs; ACLs on corporate and client firewalls; new server deployment, VoIP administration; system upgrades including OS patches and virus definition updates; failed hardware replacement; and power monitoring and allocation.

Working in LAN and WAN installation, configuration, and support and IOS updates (Cisco routers, switches, firewalls).

Worked on Performed Network Equipment’s (Routers & Switch) Configurations (PE & CE) and activated & accepted Testing; the operational changes included implementing protocols (MPLS, BGP, OSPF, EIGRP & RIP and switching technology), upgrading IOS and implementing TACACS, COS, IPSEC & ISDN.

Experience in Configuring and troubleshooting WAN & LAN routing protocols such as RIP, OSPF, EIGRP, BGP and LAN technologies like STP, 802.1Q trunking, VLAN’s VTP, VRRP and HSRP, Wireless infrastructure using Cisco devices

Working experience with Regularly provide either on-site or remote support to end users.

Experienced on implementing /Troubleshooting Cisco ACS (TACACS+) for internal team and for customer with different authentication levels to access Routers, Switches, wireless and VPN.

Experienced in Planned and designed the organization's LAN network expansion. Upgraded and configured Microsoft Window server and installed network routers, cabling and Firewall

Experienced for network management including network performance tuning, security monitoring, file server backup and email server administration.

Working experience for troubleshooting and debugging network related issues.

Education Qualification: BS- Computers and Sciences -2007.

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