Sr. Network Engineer Resume
Atlanta, GA
SUMMARY
- Network Engineer with 14+ Years’ of experience in design, implementation, configuration of Cisco Routers, Switches, F5 Load Balancer, Cisco Wireless, Checkpoint, Juniper & Palo Alto Firewalls. Troubleshooting network related problems in Enterprise& Data Center Networks.
- Hand - on experience F5 Load balancers on LTM, GTM, BigIQ centralised solutions.
- Experienced in configuring and Troubleshooting BIG-IP F5 load balancer LTM, Creating Vip’s, Nodes, Pools, Pool members and iRules on BIG-IP F5 LTM.
- Hands-on experience in Planning of Corporate Firewalls architecture and implementing in distributed environment i.e. configuring & troubleshooting - Checkpoint, Cisco ASA, Juniper and Palo Alto Firewall.
- Extensive understanding of the Application Security Module (ASM) and Application policy manager (APM).
- Hands-on deployment, tuning, and troubleshooting experience, ideally with Palo Alto Networks, Check Point, Juniper, or Cisco security product suites.
- Advanced Knowledge in site-to-site IPSEC VPN design connection and protocols, IPSEC tunnel configuration, encryption and integrity protocols.
- Expert knowledge in Threat prevention (Anti-Spyware, Antivirus, Vulnerability protection), Data filtering, URL filtering, Palo Alto’s APP-ID to enable application-based traffic inspection.
- Responsible for configuring and implementing network, firewall andsecurity solutions (IDS/IPS) usingPaloAltonetworks.
- Knowledge in AAA related technology like Cisco Identity Services Engine (ISE), Cisco ACS.
- Analyse the data packets regularly using scanning and sniffing tools like Wireshark, Solarwinds & Splunk.
- Managing Wireless infrastructure of Cisco Wireless Lan controllers and Wireless Access points across the Datacentres and Campus network.
- Provisioning of Cisco LWAP and configuration of Wireless LAN controller.
- Hands-on experience configuring and troubleshooting of routing protocols as EIGRP, OSPF, BGP.
- Expertise in installing, configuring, and maintaining Cisco Catalyst Switches (2900, 3500, 7600, 3700 series, 6500 series, 3650, 9300, 9500), and Nexus 2k, 5k, 7k & 9k.
- Responsible for switching tasks such as VTP, ISL/ 802.1Q, IPsec and Ether Channel, STP, RSTP and PVST+.
- Deployed networks with redundancy and fault tolerance/isolation using Hot Standby Router Protocol HSRP, failover devices, paired switches, and dual-port network cards.
- Experienced working on network monitoring and analysis tools like CISCOworks, Spectrum, RIVERBED, Spectrum and Net Brain.
- Extensive knowledge in different networking protocols DHCP, DNS, FTP, TFTP, WinSCP, Quality of Service (QOS), PAP, CHAP, HTTPS, ICMP, TCP, UDP.
- Evaluate daily recommended best technical solutions migrate applications to AWS
- Evaluate VPC and security groups design on initial implementation phase.
- Evaluation of Elastic load balancer & provides the SSL certs and manages scalable & highly available system on AWS cloud.
- Excellent communicator and ability to relate well with people at all levels.
- Flexibility of working well as part of a team and independently.
TECHNICAL SKILLS
F5 Load Balancers: LTM, GTM, APM, ASM, Enterprise Manager and BigIQ.
Firewalls: Palo Alto, Juniper SRX, CheckPoint and Cisco ASA.
Wireless Technologies: Cisco Wireless Controller 5520, 5080, Cisco Wireless access point 1572,2702 and 3802 and Cisco Miraki
Switches: Cisco L2 & L3 Switches (2900, 2921, 3550, 3560, 3750, 4500, 5000, 5505, 6509, 3650, 9300, 9500), Nexus 2k, 5k, 7k, 9k.
LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, VLAN, Inter-VLAN Routing, VTP, STP, RSTP
Routers: Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, 7200, ASR 1001x, 4331, 2911)
OS products/Services: DNS, DHCP, Windows (2000/2003, XP), UNIX, LINUX, Microsoft SQL Server 2000 and 2005, VMware, Hyper-V.
Protocols/Services: Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QoS, HSRP, VRRP, TCP/IP, load balancer, Proxy servers, IPSec, MPLS, PPP, VoIP, SIP, H.323, IPV6
Network Management Tools: Wireshark, Netflow Analyzer, HP OpenView, Cisco Works, Ethereal, OPNET, SolarWinds, Spectrum, Splunk, CISCO ACS, CISCO ISE, Infoblox, Cisco Prime.
PROFESSIONAL EXPERIENCE
Confidential, Atlanta, GA
Sr. Network Engineer
Responsibilities:
- Configuring Installing and Implementing F5Products, LTM-5050, 5250, 10250, iSeriesi2800, i5800, i7800, i10800, GTM 2200, i5800, VCMP and VM’s
- Licensing and provisioning of F5 modules such as LTM, GTM, VCMP (Virtual Cluster Multi Processing).
- Setting up New provisions of VIP’s for DEV, STAGE and PROD environments as per the request submitted by App/Web engineering.
- Configured VIP’s and WIPs using different load balancing methods on F5 LTM & GTM and worked on one-connect profiles and HTTP compression and several persistence profiles depends on the application requirement .
- Engineering and configuring Virtual Server, Pools, iRules, Profiles, Persistence, and monitor on F5 LTM.
- Configured Palo Alto Firewall Clusters in Active/Passive mode for High-Availability. Thorough knowledge on the Active/Active HA mode for complex infrastructure.
- Actively use, smart view tracker, and Checkpoint CLI (to security gateways) for troubleshooting. Perform advanced troubleshooting using Packet tracer and TCPdump on firewalls.
- Managed VPN, IPsec, Endpoint security, status policy, Application control, IPS, Monitoring, Anti-Spam, Smart Provisioning, DLP using Palo Alto.
- Responsible for configuring the Palo Alto to mitigate DOS, DDOS, Data leak attacks using Dos Protection, Threat Prevention and Data Filtering.
- Implementing 3750 Stackable switches using Cisco Stack Wise technology. Experience to review, evaluate current and future design issues as required maintaining network integrity, efficient data flow.
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-VLAN routing, LAN security.
- Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN, router.
- Configured Routers for OSPF, EIGRP, BGP protocols and route redistribution.
- Network Deployment of constructed, implemented, tested and launched various network nodes featuring BGP, OSPF, MPLS and VLANS using RSTP, gateway redundancy protocols HSRP, GLBP and VRRP.
- Extensively worked on code upgrades for LTM, GTM and BigIQ, with current N-1 version across all Data Centres up to date on the environments.
- Experience in managing the load balancers in a high-availability infrastructure.
- Extensive knowledge and experience with SSL certificates renewal on F5 platforms and automation certificate renewal using Venafi automation solution.
- Extensive Knowledge in configuring on Security findings and Mitigate the weak ciphers as per PEN test reports on SI, DEV and Prod environments.
- Hardware refresh project - Onboarding and Certifying new F5 device to replace End of Support, End of Life legacy F5 appliances
- Configuration ofCiscoIdentifyServicesengine(ISE) and 802.1X to enable the creation and enforcement of security and access policy(ACL) of End users to company network.
- Worked in Firewall Migrations to help create a migration from Juniper Netscreen to Palo Alto.
- Responsible to evaluate, test, configure, propose and implement network, firewall andsecurity solution withPaloAltonetworks.
- Performing Vulnerability scans across the Assets, Web Application Scanning for PCI compliance, running Reports and sharing with Compliance team for remediation of Vulnerabilitiesand performing firewall policy Audits.
- Planning, Designing & Implementing VPN connections using Checkpoint, ASA, Cisco PIX, and Cisco Routers using site-to-site VPN’s.
- Editing and Changing Palo Alto Polices and Monitoring threats on firewalls according to the latest versions.
- Addressing Vulnerability exceptions and false positives reported by Audits and fix the audits to stop reporting false values.
- Working with vendors for critical issues and RMA’s for hardware replacements.
- Captured packets by configuring span port and analyzed using WIRESHARK and TCPDUMP.
Environment: F5 Load Balancer-LTM-5050,5250,10250, iSeriesi2800, i5800, i7800,i10800, GTM, APM, BigIQ, PaloAlto, Checkpoint,Cisco ASA, Juniper, CISCO ISE, Infoblox, Bluecoat Proxy, IPS signatures Wireshark, Service Now LTM-5050,5250,10250,iSeriesi2800, i5800,i7800,i10800, GTM 2200, i5800, VCMP and VM’s
Confidential, Minneapolis, MN
Sr. Network Engineer
Responsibilities:
- Experience with managing the completed end to end solutions.
- Working on Layer 2 and Layer 3 Network Designing, implementing protocols such as BGP, EIGRP, OSPF, STP, VLANs and troubleshooting, which involves Cisco routers, Catalyst 3560 CX,6509 E A, 3650-CX A X series and Nexus 7k,9k series switches in multi VLAN environment usinginter VLANrouting, HSRP, ISL-Trunk, &Ether-channel.
- Troubleshoot Infrastructure Network related issues In Target environments for stores, Distribution centers, HQ Locations and Data centers
- Configuring new hardware or replacement of faulty hardware like Cisco Switches/Routers, Wireless Access Points.
- Involved setting up the TFTP server for backing up the IOS images and configuration files of Cisco Routers and Switches and troubleshooting the file servers.
- Experienced Tech Support as it relates to LAN system.
- Working with Cisco TAC for critical issues and RMA’s for hardware replacements.
- Switch experience includes Cisco Catalyst switches: CISCO 3750, 4500, 6500 series switches and Cisco Nexus switches 7000 and 7700 series.
- Miraki device configuration and troubleshooting
- Troubleshoot and hands on experience on security related issues on Checkpoint, IDS/IPS, Palo Alto firewalls.
- Implement and configured firewall rules in Checkpoint Gaia R77.20, R75, R70, VSX and Palo Alto Pa-500, Pa- 3000 series
- Support day-to-operations of firewalls (Policies, Route, NAT, VPN Implementation & Troubleshooting).
- Analyzing existing extranet and VPN connectivity and firewall rules targeted for migration to next generation juniper SRX firewall and network platforms.
- Implement all changes to security infrastructure in accordance with standard procedures and change control policies and procedures
- Configuring and troubleshooting of Palo Alto, Juniper NetScreen & SRX Firewalls and their implementation.
- ImplementRemote AccessSSL VPN certificate based solution (Cisco AnyConnect) onCisco ASA firewalls and also, helped in preparing for a SSL VPN migration from cisco to Palo Alto Firewalls.
- ImplementGlobalProtectSSL/IPSec VPN certificate based solution onPaloAltoPA-3000 series firewalls.
- Administering Check Point VSX gateways in high availability/ cluster environment and Multi Domain Security Management Servers.
- Firewall cleanup analysis and implementation using Tufin Policy Orchestration and Secure Track tool.
- Full-connectivity upgrade of Check Point clusters from R75.40VS to R77.30 with zero downtime.
- Modify the configuration properties to achieve the maximum security for your enterprise - Rule, Remediation activity.
- Configured DNS IP address assignment for A & PTR records using InfloBox.
- Used Infoblox for DNS management of network infrastructure.
- Configured Routers for OSPF, EIGRP, BGP protocols.
- Hands on experience and Good Understanding of OSPF, BGP, MP-BGP, MPLS-VPN.
- Network Deployment of constructed, implemented, tested and launched various network nodes featuring BGP, OSPF, MPLS and VLANS using RSTP, gateway redundancy protocols HSRP, GLBP and VRRP.
- Provided technical support for full setup, debugged the problems of OSPF, switching and HSRP.
- Switching related tasks included implementing VLANs, VTP and configuring and maintaining multi VLAN environment and inter-VLAN routing on Fast-Ethernet channel.
- Configured Object Grouping, Protocol Handling and Code up gradation on Checkpoint Firewalls.
- Configured and monitored Firewall logging, DMZ’s and related security policies.
- Trouble Shoot Firewall (Checkpoint) Related issues on traffic flow.
- Troubleshoot traffic passing managed firewalls via logs and packet captures.
- Configuring rules and maintaining Checkpoint Firewalls& Analysis ofFirewall logs.
- Configuration of IP-Sec VPN tunnels to remote sites using IKEv2.Using tools like cisco works, we can monitor the remote sites connectivity.
- F5 BigIP pools, monitors, profiles and VIP's configuration and troubleshooting.
- Live VIP's cutover from local traffic manager to Global traffic manager.
- Configured different load balancing methods on F5 LTM & GTM and worked on one-connect profiles and HTTP compression and several persistence profiles.
- Engineering and configuring Virtual Server, Pools, iRules, Profiles, Persistence, and monitor on F5 LTM.
- Configurations to F5 GTM wide-ip's.
- Installed and configured f5 Big-Ip LTM and GTM to provide Load Balancing across multiple datacenters.
- Troubleshoot Load Balancer (F5 LTM, GTM) related issues.
- To secure configurations of load balancing in F5, SSL connections, Troubleshooting SSL related issues .
- Managing Wireless infrastructure of Target Corp which consists of 44 pairs of Cisco Wireless Lan controllers and 70000 Wireless Access points across Stores, OSBR, DC and HQ locations.
- Tier 2 and Tier 3 Wireless Engineer for Wi-Fi connectivity Support for various locations.
- Migration from Autonomous Access Points to Light weight Access Points across all Target stores.
- Monitor, analyze and troubleshoot on Cisco Aps (1572, 2702 and 3802) and wireless controllers (4400, 5508 & 5520) through cisco prime.
- Successfully completed Code upgrade project of 4400 & 5520 & 5508 wireless controllers across Target environment.
- Connect with Vendors and receive the latest security vulnerability information and perform code upgrade on devices for security bug fixes, configuration and Technical assistance.
- Knowledge of 2.5 GHz & 5 GHz radios, CAPWAP, Mobility Anchors, Client Roaming, AP groups, Root, Mesh and Local AP, AP power Level, Channel, SNR, RSSI, 802.1X with EAP TLS, Co-channel & Adjacent interference, HA Pairing, Guest WLAN, Power Injectors
- Knowledge of wireless security features including Access-lists, WPA/WPA2, RADIUS and TACACS
- Coordinates with Vendors for raising RMAs.
- Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
- Performing network monitoring, providing analysis using various tools like Riverbed, Spectrum and Syslog.
- Provide on 24x7 on call support to ensure stable operation.
- Performed coordination, guidance and help field technicians remotely who are on-site performing the hands-on work (e.g. wiring, racking, equipment. relocation, etc.)
- Experience on tools such as Cisco Prime Infrastructure to design and support WLANS.
Environment: Catalyst 3560 CX,6509 E A, 3650-CX A X series and Nexus 7k,9k series switches, F5 Big-IP LTM, GTM, APM, ASM, Checkpoint R75, LAN,HSRP, RIP, OSPF, BGP, EIGRP, VLAN, MPLS, STP, RSTP, CISCO WLC, LWAP, Cisco-Prime Infrastructure, Infoblox, Spectrum, Service Now, Microsoft-Visio, Wireshark.
Confidential
Member Technical Staff
Responsibilities:
- Regression Testing of Routing features on Cisco router, ASR and 12K series routers.
- Manually Upload the Firmware to test beds with contains Cisco Switches, Routers and traffic generators before regression kick start.
- Different approaches to trace the bugs in IOS image such as manual testing.
- Well diverse in Fix based testing, feature based testing to improve the bug count of the team.
- Sending Test Status Report and defect reports on weekly basis.
- Executing Test Cases manually for failed cases.
- Adjust the test cases based on the test bed architecture.
- Maintaining of the test bed which include Routers, Switches and Traffic Generators.
- Troubleshooting the problem with test bed.
- Coordinating with Technical team for any new provisioning of the Test beds.
- Client Interaction for new integration and weekly meetings for test cases reviews.
- Automated test cases using Earms tool.
- Debug the scripts in case of any issues reported.
- Pause the automated test cases using sleep timer in the script.
Environment: Cisco Switches, ASR, Cisco 10k and 12k Platforms, Tcl/Tk, EARMS and ATS.
Confidential
Network Engineer
Responsibilities:
- Managing For all Andhra banks network with Cisco Routers and switches .
- Maintaining & Configuration of Cisco Routers & Switches
- Job duties included resolving WAN issues
- Configuration, Implementation & Troubleshooting of channelized E1, ISDN PRI & ISDN BRI
- Proficient in trouble shooting leased lines and ISDN using debugging tools
- Good understanding and hands on various routing protocols - RIP, IGRP, EIGRP, OSPF & Static routes
- Good experience in project management and customer management
- Excellent communication, presentation, negotiation and inter- personal skills
- Hands on Layer-1: Copper cabling installing including patch and crossover cables, as well as crimp down RJ 45 connectors.
- Preparation of Technical Documentation for installations and Implementations.
- Disaster Recovery Plan for network equipment (Cisco routers and switches) in Core and Distribution locations of WAN.
- Disaster Recovery Plan for data traffic flow during the scheduled/non-scheduled network breakdown.
- Responsible for Trend Analysis of Leased Lines for Utilization of links and providing suggestions for up gradation of bandwidth
- Handling the Network Uptime as per SLA
- Diagnosing and resolving network faults
- Installation and Configuration of Routers, switches and asynchronous modems
- ISDN call setup/tear down/debugging and their configuration
- Trouble shooting and testing of leased lines/ISDN connectivity
- ISDN as backup operation - setting up dial back up and testing the back up
- Responsible for Trend Analysis of Leased Lines for Utilization of links and providing.
- Knowledge on RAD, MMLN, ASCOM modems
Environment: OSPF, EIGRP, Cisco Routers 1800, 2600, 3500 and 3600, RAD, MMLN, ASCOM.
Confidential
Network Engineer
Responsibilities:
- Managing For all Andhra banks network with Cisco Routers and switches.
- Maintaining & Configuration of Cisco Routers & Switches
- Maintaining & Configuration of Cisco Routers & Switches
- Job duties included resolving Leased Line issues.
- Configuration, Implementation & Troubleshooting of channelized E1, ISDN PRI & ISDN BRI
- Installing and Administering LAN, Peer to Peer and Client-Server based Networks
- Installing Layer 1, 2 and 3 Networking devices, and to promote the cabling work.
- Administration of LAN.
- Structure Cabling both design, coordination and Implementation.
- Maintaining 100% network uptime.
- Independently handling & closing of major Projects within stipulated Time Frame.
- Job duties included resolving WAN issues
- Configuration, Implementation & Troubleshooting of channelized E1, ISDN PRI & ISDN BRI
- Proficient in trouble shooting leased lines and ISDN using debugging tools
- Good understanding and hands on various routing protocols - RIP, IGRP, EIGRP, OSPF & Static routes
- Good experience in project management and customer management
- Excellent communication, presentation, negotiation and inter- personal skills
- Handling the Network Uptime as per SLA
Environment: OSPF, EIGRP, Cisco Routers 1800, 2600, 3500 and 3600, RAD, MMLN, ASCOM.
