Sr Network Engineer Resume
Plano, TX
PROFESSIONAL SUMMARY:
- 7.5 years of professional experience in Network Planning, Implementing, Configuring, Troubleshooting and testing of networking system on both Cisco and Juniper devices.
- Deep technical experience with architecture, design and hands - on diverse technology platforms including different Cloud Platforms (AWS/Azure), Virtualization, Database Technology.
- Designing, Implementing and Troubleshooting Cisco Routers (800,2800,2600,3800,7600) using Static, IGRP, OSPF, EIGRP & experience with Cisco PIX & ASA devices.
- Experience in physical cabling, IP addressing and subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
- Experience in Access control server configuration for RADIUS & TACACS+.
- Hands-on experience using Cisco Virtual Switching System (VSS).
- Good knowledge of CISCO NEXUS data center infrastructure with 5000 and 7000 series switches includes (5548, 7010) including CISCO NEXUS Fabric Extender (223, 2248)
- Hands-on Experience with CISCO Nexus 9000, Nexus 7000, Nexus 5000, and Nexus 2000 platforms.
- Experience with configuring Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000.
- Adept in requirements analysis,networkdesign, installation, configuration, maintenance and administration.
- Experience with the escalation problems for Routing, Switching and WAN connectivity issues using different ticketing systems.
- Strong knowledge in HSRP, VRRP redundancy Protocols.
- Experience working on shell scripting languages likePython
- Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wire shark and Cisco works to support 24 x 7 Network Operation Center.
- Experience working on routing protocols like EIGRP, OSPF, and BGP
- Worked on Cisco 7200, 3800, 3600, 2800, 2600, 1800 series Routers andCisco 2900, 3500,4500, 5500, series switches.
- Excellent hands-on experience on Cisco ASR9000, Carrier Routing System(CRS 1/3), CRS-X, Nexus 7000, Nexus 6500, 4500, 3800, 2800 and 2900 series Switches & routers
- Good knowledge of CISCO NEXUS data center infrastructure with 5000 and 7000 series switches includes (5548, 7010) including CISCO NEXUS Fabric Extender (223, 2248)
- Hands-on Experience with CISCO Nexus 7000, Nexus 5000, and Nexus 2000 platforms.
- Great team player and able to work under pressure 24x7 duty rotation.
- Worked on MX-80, MX-480, SRX-100, SRX-110, and SRX-550 and EX-4200 Juniper devices.
- Experience in the setup of Access-Lists, and tunnel installations
- Experience working with Palo Alto Firewalls.
- Enhanced level of experience with OSPF, BGP, and MPLS.
- Hands-on experience in using network stimulator tool OPNET.
- Performed software upgrades, IOS-XR upgrades, IOS-XR SMU upgrades on Cisco 12000 routers
- Tested and worked with software designers to establish a user-friendly environment.
- Review all changes tonetworkconfiguration for technical accuracy and impact and provide Multi- ProtocolNetworkproblem resolutions.
TECHNICAL SKILLS:
Routing Technology: RIP, RIPV2, IGRP, EIGRP, OSPF, BGP, TCP/IP, Static and Dynamic Routing.
Network Products: CISCO Routers 1700, 1800, 2500, 2600, 2800. CISCO High End Routers 3600, 3800, 7200, 12010, 12404. CISCO Switches 1900, 2950, 2950, 2960G. CISCO Campus Switches 3550XL, 4948 Core Catalyst 4503, 4507 RE, Catalyst 6500/6503/6507 , Nexus 5000 series
Antivirus & Endpoint protection: Cisco CSA, Symantec Enterprise Edition, MacAfee Enterprise Edition.
Security & VPN: PIX 500 Firewall, ASA 5505 Firewall, AIP SSM, CSC SSM, FWSM, Fortigate, Cisco CSM, ACL-Access Control List, IPS/IDS, NAT, PAT, Cisco ACS, Juniper Net Screen firewall, Palo AltoFirewalls, Windows Patch Management (WSUS).
LAN Technology: Workgroup, Domain, HSRP, DNS, DHCP, Static, VLAN, STP, VTP, Ether Channel, Trunks.
WAN Infrastructure: Leased Line, ISDN/Dial-Up, Frame Relay circuits, Metro Ethernet.
WAN Technologies: HDLC, PPP, ATM, SONET, MPLS, VPN, IPSec-VPN.
Wireless& Wi-Fi: Canopy Wireless Device (point to point/point to multipoint), DLink Wireless (point to point), DLink Access Point, CISCO 1200 series Access Point, and Linksys Wireless/Wi-Fi Router.
Operating Systems & Tools: Cisco IOS, Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 Server, Windows XP/Windows 7/8, LINUX, Solaris, Active Directory, Apache Server, MS Exchange server, VERITAS Volume Manager.
PROFESSIONAL EXPERIENCE:
Confidential, Plano, TX
SR Network Engineer
Responsibilities:
- Manage, escalate, and drive satisfactory resolution of service and infrastructure issues based on Spirent products and technologies.
- Involved in certifying a new device Ciena 3928, VPLS and VPWS will be certified with this device. The overarching IPAG certification includes an ‘End-to-End’ VPWS and VPLS test topologies that include availability of various permutations of NTEs on the customer facing points of service. For these tests, the entire VPWS/VPLS delivery infrastructure (i.e. Juniper MX devices and the Ciena 3928 NTEs) is tested as a whole in order to more realistically represent the end customer experience.
- Experience working with Juniper MX- 480/960/2010/2020 devices.
- Developing the test strategy for the test team, creating the test progress report.
- Creatingpythonscripts to automate basic admin functions
- Automated network implementations and tasks and designed monitoring tools using python scripting
- Set up lab, network topologies to validate Scalability, Performance and Benchmarking.
- Create MRs for defects found, following up for resolution and final verification.
- Verification of Intra-node cross connect (L2CC) service test, End-to-end Vlan Based L2CC Service (ERS), End-to-end Port Based L2CC Service (EWS), RFC2544 / Y.1564 Active Testing, CFM Interoperability Test, Level 4/3 CFM Interop Test,Y.1731 Interoperability Test.
- Configuring LAG Hashing for a better distribution of the traffic across the physical interfaces in a LAG group.
- Configuring AE Interface Link Association and Inter-Node Interface Configuration between VPLS PE Interfaces and IPAG.
- Certify IPAG (IP Aggregation) customer internet connectivity for VLAN based & Port based with VPLS, VPWS and L2CC services with L2 Transparency Protocols and send different types of Ethernet frames with different priorities from Spirent Traffic Generators.
- Certify IPAG customer internet connectivity via Ethernet Gateway Services (EGS)using VPWS pseudo wire from IPAG edge device to CBB GSR using BGP.
- Ciena certification for 3903, 3911,3960,3928,8700 and 311v(NTE), 3930,3931 (Small EMT) and EMUX 5140,5150 with CFM, EVC ping and uplink failure scenario using dual stack (IPv4 and IPv6).
- Certified FBG (Fiber Broadband Gateway) using EMT (Ciena EMUX 5140,5150 & 3960). Junos 15.1F2-S20.3 certifications for MX480, MX960 with various cards combinations such as DPCE CF/FG 1G and 10G, MPC and MPCE5 with different scenarios using dual stack (IPv4 and IPv6).
- Responsible for building Test plan/execution/certification for network validation in a large telecommunications environment.
- Detailed Layer 2 and Layer 3 testing including which includes IP and Ethernet testing.
- Layer 2 and Layer 3 Juniper Class of service and Queuing experience, 802.1Q Vlan Tagging.
- VPLS testing BUM Hashing (Broadcast, unicast and unknown unicast)
- Worked for Spirent Test center Project. It is a GUI based software, designed to troubleshoot & bandwidth verification test, RFC2544 test, Network quality latency test, CFM (Level 3-4) test,
- Y1731 test along with various other tests.
- Used following traffic generators IXIA, Spirent Test Center, JDSU, Quali System and iTest for certification.
Confidential, San Jose, CA
Sr. Network Security Engineer
Responsibilities:
- Provide level 2/3 support for ISE related issues, including off-shift and weekend support functions
- In corporate Cisco Nexus 9000 NXOS to ACI fabric to work in concert with existing Nexus 7000s and ASRs for Multi-protocol Label Switching (MPLS)
- Experience working on CISCO NEXUS data center infrastructure with 2000, 5000 and 7000 series switches by enabling networked devices to communicate effectively
- Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NATing, sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, IPSEC, PPTP, VLAN, WISM, STP (Spanning tree Protocol), RTSP & Multicasting protocols
- Automated network implementations and tasks and designed monitoring tools using python scripting
- Configuring IPSEC VPN (Site-Site to Remote Access) on SRX series firewalls.
- Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations
- Responsible in troubleshooting on Cisco ISE added new devices on network based on policies on ISE.
- Monitor, operate and support network security devices such as cisco ASA
- Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.
- Experience in F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs
- Configured networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure
- Managing data center and network by using solar winds, NPM, NTA, NCMand F5load balancer
- Working on troubleshooting, implementing and configuring new devices and helping them to build new data center and moving devices from one data center to another by moving all devices.
- Experience configuring VPC, VDC and ISSU software upgrade in Nexus 7010
- Deployed VXLAN on the Nexus 9000 to map the physical VLANs to the Virtual Overlay VLANs.
- Deployed the Nexus 9000 Application Virtual switch to support network telemetry applications and 9000 Core with VPC and 3172 TOR.
- Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not impact stream processing.
- Establish AWS technical credibility with customers and external parties
- Help customers build scalable, resilient, and high-performance applications and services on AWS
- Develop/capture/document architectural best practices for building systems on AWS
- Working on as security devices Cisco ASA series, Palo Alto firewalls.
- Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools
- Working on to set up OSPF dynamic routing on Cisco ASA Firewalls by using and following their current network structure.
- Apply Cisco ISE configuration to switches
- Documenting workflow process, managing and implementing standard policy and procedures.
Confidential, Jacksonville, FL
Network Engineer
Responsibilities:
- Experience in working with Nexus 7010, 5548, 5020, 2148, 2248 devices.
- Implementing and Maintaining Network Management tools (OPAS, Solar Winds, Cisco Works)
- Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed
- Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
- Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
- Involve in deployment of new F5 LTM for Datacenter.
- Implementation and troubleshooting F5 Load balancers.
- Implementation, configuration & troubleshooting the issues related to Virtual Servers, pools, nodes & certificates on F5 Load Balancer.
- Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
- Experience withNetworkAutomation using Python
- Configuring Cisco ASA firewalls in single and multiple context mode firewalls.
- Configuring & managing Security Devices that includes F5 BigIP Load balancers, Blue Coat Proxies and Plug Proxies.
- Configured Cisco ASA 5510 Firewall to establish logical separation between legacy network & lab environment.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover, DMZ zoning, & Configuring VLANs/routing/NATing with the firewalls as per the design
- Migrating the policy from Cisco ASA firewall into Palo Alto
- Experience with deployment of Palo Alto firewalls for different NAT, video conferencing traffic
- Performing administrative tasks with Palo Alto Networks (Panorama) including Security, NAT policy
- Help customers build scalable, resilient, and high-performance applications and services on AWS
- Experience with migrating the Partner IPSEC VPN tunnels from one data center to another data center.
- Replace Campus Cisco 6509 End of Life hardware with new 4507/4510 devices.
- IOS upgrade in Nexus 7010 through ISSU (In service software upgrade)
- Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tuning AS-path.
- Worked on Juniper J series j230, M 320 routers and EX 3200 series switch.
- Detect and repair potential provisioning and configuration issues on Juniper Routers.
- Configuring IPSEC VPN (Site-Site to Remote Access) on SRX series firewalls.
- Provided management and troubleshooting of all networks Bluecoat proxy devices.
- Replace branch hardware with new 2851 routers and 2960 switches.
- Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
- Configuring RIP, OSPF and Static routing on Juniper M and MX series routers.
- Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
- Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
- Designed, validated and implemented LAN, WLAN & WAN solution to suite client’s needs.
- Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
- Designed and configured the commands for QoS and Access Lists for Nexus 7K and 5K.
- Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
- Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches
- Manage and provide guidance to junior members of the team.
- Experience with Project documentation tools & implementing and maintaining network monitoring systems and experience with developing network design documentation and presentations using VISIO
- Design and implementation of GET VPN architecture used for multicast and unicast communication on an existing IP VPN.
- Experience Branch Relocation: Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits..
- Experience in design and implementation of new branch/New Campus test and turn up.
- Experience on designing and troubleshooting of complex BGP and OSPF routing problems,
- Involved in configuring IP Quality of service (QoS)
Confidential
Network engineer
Responsibilities:
- Work internally with a team of technical personnel in the configuration, installation and maintenance of
- corporate LAN, WAN, Wireless and virtualized network environments
- Troubleshoot routing protocols EIGRP, OSPF and BGP
- Troubleshoot issue as VLAN, Trunk, STP, HSRP, GLBP
- Worked on ASA firewalls and F5 load balancers
- Verify and Troubleshoot VTP and RSTP Configuration issues within the corporate network
- Firewall review, router rule base and validation for company employees
- Set up TFTP server to backup, and restored configuration and IOS image files for the PIX firewalls, Cisco routers, Catalyst switches
- Maintained WAN Circuits T1, T3.
- Troubleshoot configuration issues Cisco Campus Switch Network.
Confidential
Jr. Network Engineer
Responsibilities:
- Responsible for providing on-site (LTE sites) technical services.
- Inspected and performed troubleshooting strategies for equipment failures.
- Attend customers complains and resolve TT.
- Working on high voltage DC power plant.
- Managing electricity power, Battery Backup and Diesel generators of sites.
- Managing Cisco routers (ASR 920, 903 Series) and switches power and connectivity.
- Managing Juniper routers (Acx220) power and connectivity.
- Testing and calibration of new LTE site’s alarms with NOC.
- Managing LAN and fiber optics connectivity.
- Working on RF equipment.
- Trouble shoot and clearance of daily RF alarms.
- Maintain sites up maximum time