SUMMARY:

• 6+ years of Experience in Designing, Deployment and Operations of complex enterprise and service provider networks.
• In - depth experience with the following technologies: Networking Infrastructure (including TCP/IP, DHCP, DNS, GPO and WINS), PRTG, Windows Server 2003-2008, 2012 R2, Active Directory 2003, 2008 and 2012, Windows XP, 7 Pro and 8.1, MS SQL Server 2000/2005, Linux, Microsoft Exchange 2003, 2008 and 365, Cisco ASA Security Firewall Access Rule, Route Based and DMVPN-Site-to-Site VPN setup, SonicWall NSA 240, 2600, 4600, IT Disaster Recovery backup / Symantec Backup Exec 10.x/11D, Brocade ICX & VDX,Cisco VSS 6509, Cisco MDS, Cisco ASA 55x0 & 55xx, F5 Load balancers, Cisco Routers 2611, 3950, 4800 and SNMP and Netflow configuration and also routing protocol configurations (BGP, EIGRP, ISIS and OSPF).
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professionalism.
• Well experienced in configuring various routing protocols like RIP, RIPng, EIGRP, OSPF, BGP, MPLS
• Well Experienced in configuring protocols like HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Well Experienced working with Enterprise Switching with VLANs, Trunks, Spanning Tree, Port Spanning etc.
• Experience in WAN technologies like T1 and Gigabit circuit types.
• Worked on Load Balancer F5 LTM series like 1600, 2000 and Kemp LM3600.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches and Brocade ICX & VDX.
• Experience with Firewall Administration, Rule Analysis, Rule Modification.
• Experience in ASA and SonicWall Firewalls on VPN technologies, Stateful inspection, and Global rule base, address spoofing.
• Well Experienced Configuring Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists.
• Experience in installing and configuring DNS, DHCP server.
• Experience in configuring Site-to-site and remote access VPN solutions.
• Proficient in deploying and troubleshooting mission-critical environments using proactive suite of support services - Wireshark and SolarWinds N-able Technology & NPM.
• Strong knowledge on Wireless Standards and Technologies, i.e. Ethernet, WAN, LAN, IEEE 802.11 (Wi-Fi).

TECHNICAL SKILLS:

Experience: Cisco 3900 / 7600 Series Routers, T1s, DS3s, GigE.

Applications: Connectwise Ticketing System, Citrix Xenserver, Firesight Management Center and secure CRT.

Networking Protocols: RIPv1, RIPv2, RIPng, BGP, OSPF, EIGRP, NAT, ACL, Frame-Relay, MPLS.

Networking Terminologies: OSI Model, ARP, ICMP, TCP/IP, VLAN’s, Spanning Tree, DNS, DHCP, SNMP, SSH, Telnet, HTTP, IPv4, IPv6, GRE Tunneling, Ethernet, ATM.

Networking: Network Design & Engineering, Operations Research, Cisco Routers (800, 2600, 2800, 3800, 4500), Switches (2950, 3560, 6500), Intrusion Detection Systems and Intrusion Prevention System (IDS/IPS). MPLS, CSU/DSU.

Routers & Switches: 6509, 4506, 4510, Nexus 2K, 5K and 7K, Brocade ICX66xx and VDX6740.

Wireless: 802.11 (a, b, g, n).

Software: Microsoft Office Suite, Wireshark, SolarWind N-able, PRTG.

Operating System: MAC IOS, Linux, Windows.

EXPERIENCE:

Sr. Network/System Administrator

Confidential, Los Angeles, CA

• Providing technical support, troubleshooting and diagnosing hardware/software issues as they come up.
• Providing maintenance related to all hardware and software as required.
• Performing hardware and software testing, configuration and installation of new and existing hardware/software and pre-development testing of software and upgrades.
• Monitoring and resolving system issues as they arise on an urgent basis.
• Upgrading, deployments and patch managements of laptops, workstations, servers and networking devices.
• Respond to technical troubleshooting sessions with customers via phone, email and remote support.
• Interact with customers at all levels, from the very basic user to the technically advanced (Network Administrators, System Administrators).
• Managing and working on support tickets per industry best practices utilizing existing CRM systems, document case progress and provide timely updates to the customer through to resolution.
• Prioritizing support issues while maintaining a high level of customer satisfaction.
• Installing, troubleshooting and support operating systems, applications, network connections and wireless networks
• Network Configuration LAN/WLAN/WAN (all 802.11) network routers and printers. Configure network printer mapping and maintenance; and Subnetting.
• Format, partition and perform data recovery and imaging experience.
• Manage VMware ESX 6.5 and 6, 2003 and 2008 servers, LAN, WAN, Dell Blade, PowerEdge and HP Proliant DL380 Series Servers, WAP, Active Directory, GPO, DHCP and DNS.
• Strong Knowledge in working with Kemp LM3600 Load Balancers and their Implementation in various Networks.
• Managing Firewall access rules, Cisco ASA and SonicWall, VPN and Websense.
• Providing network support, reviewing management logs ensuring applications are accessible and functioning properly reporting issues, problems; provide technical guidance, direction to technician.
• Answering incoming Help Desk calls.
• Creation of service tickets from Help Desk calls in ConnectWise.
• Processing and completion of Desktop and Server class service tickets.
• Ensure all tickets are being responded to in a timely and efficient manner.

Network Engineer

Confidential, Atlanta, GA

• Deal with clients for resolving/troubleshooting issues on LAN Inventory management.
• Strong Knowledge in working with F5 Load Balancers and their Implementation in various Networks.
• Configure various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation.
• Involved in Configuring and implementing of Composite Network models consists of Cisco 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches and Brocade ICX6610 and VDX6740.
• Troubleshoot, test, quality assurance of server hardware. Professionally resolve hardware issue.
• Provided accurate and detailed logs within the ticketing and messaging systems for callouts and system alerts, as well as for communication and escalation steps taken to ensure prompt resolution of supported equipment, processes and teams.
• Configure BGP, OSPF, EIGRP and ISIS routing protocols in Cisco routers 3950, 4800.
• Configure and troubleshoot CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640.
• Worked on Juniper Routers and Switches.
• Implemented WLAN Wireless Access Points 3500 and Controllers 5500 at various corporate sites fort 11n Infrastructure.
• Configured Vlan’s, VTP’s, trunks between switches.
• Configured VLANs with 802.1q tagging.
• Configured ether channels, and Spanning tree.
• Configured static NAT, dynamic NAT, inside Global Address Overloading, Access-Lists.
• Configuration and extension of VLAN from one network segment to another segment between Different vendor switches (Cisco, Juniper).
• Implemented layer 2 securities using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trunking, enabled port security when needed for user ports.
• Assist with identification of root cause analysis for software and hardware issues.
• Technical assistance for LAN/WAN management and complex customer issues.
• Performed Troubleshooting and monitored routing protocols such RIP, OSPF, EIGRP & BGP.
• Analyze and resolved Remedy Ticket issues for users.

Network Administrator

Confidential, Atlanta, GA

• Install, troubleshoot and support operating systems, applications, network connections and wireless networks
• Network Configuration LAN/WLAN/WAN (all 802.11) network routers and printers. Configure network printer mapping and maintenance; and Subnetting.
• Maintained and managed hardware desktops, laptops, printers, scanners. Format, partition and perform data recovery and imaging experience.
• Managed VMware ESX 4 and 5.1, 2003 and 2008 servers, LAN, WLAN, Active Directory, GPO, DHCP and DNS.
• Managed Firewall access rules, Cisco ASA, VPN and Websense.
• Installed and configured all HP and Dell Servers and RAID Hard drive.
• Managed all backup using Symantec Backup Exec versions 12.5, WSUS, Radius server and IIS.
• Support to all software - AutoCAD 2010, 2012, MS Office 2003 and 2008.
• Oversee the helpdesk technical support and all hardware and software installation.
• Manage all HP and Dell Hardware warranties.