SUMMARY

• 10+ Years of experience in Network/System Administration and Network Security Engineer.
• In - depth knowledge of deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), NAT, VLAN, STP, VTP, VPC, HSRP & GLBP.
• Strong hands-on experience in layer-3 Routing and Layer-2 Switching.
• Experience on Fortigate Firewalls, CheckPoint Firewalls.
• FortiGate VPN, Standalone & Distributed setup, Security management, Log server, secure platform and License management.
• Experience in deploying and maintaining Cisco ASA, FortiGate, Juniper SRX firewalls, VRA 5600 Series.
• Migrated and implemented new solutions with Cisco ASA Firewall series 5505, 5510, 5512-X, 5545-X, and 5585-X.
• Involved in troubleshooting network traffic and its diagnosis using tools like ping, traceroute, Wireshark, TCP dump, and Linux/Windows operating system servers.
• Experience with converting Cisco ASA VPN rules over to the FortiGate solution. Migration with both FortiGate and Cisco ASA VPN experience.

TECHNICAL SKILLS

• Cisco Routers Cisco Routers (3600, 2800, 2600, 2500, 1800, 1700 series)
• Cisco Switches Cisco Catalyst switches (3750, 3500, 2900 series)
• Juniper Devices Juniper EX Switches (EX8200, EX4500, EX4200, EX3200, EX2500, EX2200 Series)Firewalls FortiGate, Palo Alto, Juniper SRX, Cisco ASA, VRA 5600 Series
• Routing Protocols
• Switching Protocols
• LAN Gigabit Ethernet, & 10 Gigabit Ethernet, WIFI, FDDI, Token Rings
• WAN MPLS & exposure to PPP, DS1, DS3, OC3, T1 /T3 & SONET

PROFESSIONAL EXPERIENCE

Confidential, Houston, TX

Network Security Engineer/Administrator

Responsibilities:

• Member of a team of professionals responsible for deployments, implementations, analysis, configurations, and troubleshooting Network in an enterprise LAN and WAN environment.
• Designed and maintained complex client firewall and network environments by deploying firewalls, load balancers, and virtual routers and continue to support the client with change management and documentation of their environments.
• Reviewed application and system architecture to determine what network and other IaaS infrastructure is necessary to address the business needs for each client as needed.
• Configure and administer security rules and policies to permit and/or deny user traffics based on company security policy on DC FortiGate 1500D, 800C, Cisco ASA firewalls and VRA 5600 series.
• Design, deploy, and maintain custom server deployments with a high emphasis on security, availability, and scale-ability based on the individual clients requirements.
• Served as the subject matter expert (SME) on all network related issues.
• Troubleshot and performance tuned firewalls, load balancers, and virtual routers.
• Configure and troubleshooting FortiGate firewalls for branch sites built on IPSec VPN tunnel and adding route and security policies.
• Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with FortiGate, ASA Firewalls.
• Switching tasks on Cisco L2, L3 Switches are VTP, ISL/ 802.1q, IPsec and GRE Tunneling, VLANs, VPC, EtherChannel, Trucking, Port Security supporting RSTP and PVSTP.
• Troubleshooting complex WAN network related issues on Cisco, Juniper, Fortinet, VRA devices
• Experience with F5 load balancers to provide Land Balancing towards Access layer from core layer and configuring F5 LTM both by GUI
• Citrix NetScaler VPX and MPX1500 implementation, local and Global load balancing configuration, troubleshooting.
• Configure wireless Cradlepoint router for remote location where no access to physical link is available and use Cradlepoints as backup network when primary WAN link fails.
• Fortinet firewall upgrade from v5.2 to v6.0 and Cisco L2 switches form v12.2 to v15.2
• Proactively monitor firewall network equipment on Forti Analyser, Forti Manager and other active network nodes on SolarWinds.
• Resolving Service now requests tickets generated by the helpdesk in all phases such as troubleshooting, maintenance and fix using Network Management tools.
• Troubleshoot windows/Linux boxes software/application/hardware issues.
• Ensured Network appliances ran at optimal health; performance- troubleshooting as necessary (I/O, CPU, identify bottlenecks, etc...).

Confidential, Houston, TX

Network Engineer/Administrator

Responsibilities:

• Experienced in Planning and Organizing Change Management, Maintenance/updating of Network diagrams, Maintenance & Monitoring Base station infrastructure.
• Involved in configuring and implementing composite Network models consists of Cisco/Juniper routers and switches.
• Participated in the installation, configuration, and post-installation operational tasks and configuration of the deployment of Cisco network equipment
• Network design, cloud infrastructure design and management, OSPF, BGP, VLAN Trunking
• Managed rules on Cisco checkpoint NGX firewall
• Networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map, distribute-list and administrative distance
• Update customer networks by configuring routers, switches.
• Ensure standard Router and Switch Configurations are maintained and Responsible for Capacity planning, Contingency planning & disaster recovery.
• Monitoring the NMS system for different Network Alerts.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, Port Aggregation & link negotiation.
• Design, execution of installation and configuration of VPN, LAN/WAN as per organizational requirements.
• Analysing the Bandwidth Utilization of the Links.
• Troubleshooting on the devices by remote login to determine the RFO (Reason for outage) and RCA (Root cause analysis) to minimize the consequences of malfunctions.
• Analysed and tested network protocols (Ethernet, TCP/IP) using TCP Dump and Wireshark tool.
• Active Directory group policy access permission, mapping, VMware, Hyper-V, software installation on Linux/Windows boxes, Web server tuning on Linux Apache, troubleshooting Windows IIS, backing up data on Evault, NAS.
• Customized manual Security Updates on Linux/Windows servers.

Confidential

Linux Programmer

Responsibilities:

• Support the installations of software, Maintains Linux server, performance tuning.
• Configuring Web Server, PPP, TCP/IP Networking, Networking File System, DNS, NFS, Internet Services. Configure and troubleshoot Linux server, building kernels, applying patches. Uploading websites, making/restoring backups, making secure connections using ssh/shell access, monitoring network intrusion, GnuPG Keys. creating user accounts/managing it, handling email accounts, file section, logs, Domain settings, database creation, software/services with cPanel software.
• Setup network/configuration, Configuring Web Server Apache/Network file system, and managing network using networking utilities.