Mahesh G's Email Addresses & Phone Numbers

📖 Summary

11+ years Experience into computer networking industry • Worked as “Senior Testing or QA Engineer”, “Test Analyst”, “Network Engineer”. • Experience in manual testing as well as automation. • Experience in testing network protocols and equipment’s. • Experience under Agile and waterfall testing models. • Experience in startup and large company environments. • Experience on various operating systems like Windows, Linux. Information Technology Expertise CCNP : Cisco Certified Network Professional (cleared all three papers) CCNA : Cisco Certified Network Associate (Cisco ID: CSCO11045769) MCP : Microsoft Certified Professional (windows server 2003 infrastructure, MCP ID: 3609041) • Routing Protocols: BGP, OSPF, RIP. • Switching Protocols: 802.1q Trunking, STP, MSTP, RSTP • Datacenter Technologies: vPC, Fex (Cisco) • Aggregation Protocols: LACP. • Scripting Languages: TCL & Expect, Python. • Other Network Protocols: DHCP, RADIUS, SNMP, VRRP. • Techniques: Policy Based Routing (PBR) , NAT, IGMP Snooping. • Packet Capture & Analysis: Wireshark/Ethereal, tshark, Tcpdump, Commview. • OS: Linux, Microsoft Windows Server 2008, 2003, 2000 & NT. • Virtual platform: VMware ESX/ESXi, Oracle Virtual box • Configuration: Active Directory Services, VPN, FTP, TFTP, LDAP, CA.Engineering QA Engineer @ • Working in Data-center BU (DCBU) or Data-center Group (DCG). • Building and testing on large test bed for System integration, Scaling Test. • Automating nightly scripts using TCL/Expect. • Developing test tools using Python. • Replicate customer test bed based on requirements and testing. • Testing L2 features like VLAN, 802.1q, DHCP snooping, IGMP snooping. • Testing PBR, ACL ipv4, ipv6 and other platform specific features. • Testing L3 features like OSPFv2 v3, EIGRP ipv4/ipv6, BGP ipv4/ipv6. • Technologies used include VPC, Fex, UCS server, FCOE, VMware ESXi, vCenter. • Traffic generator used Spirent, Ixia, ostinato and other open source tools. • Mentoring, guiding juniors and peers where or when ever required. From April 2012 to November 2014 (2 years 8 months) San Francisco Bay AreaSr. Engineer @ Roles and Responsibilities: • Testing IPv4 forwarding (h/w and s/w), ACL and PBR. • In planning stage and testing pre-release version of OSPF and BGP. • Solely responsible for drafting test cases for IPv4, OSPF and ACL/policy management. • Tools used include Spirent Conformance suite, Spirent Test center, Oracle Virtual Box and Mercury Quality Center. • Developed several tools useful for testing (e.g. find link for ECMP) using TCL and Expect. From April 2011 to April 2012 (1 year 1 month) Senior Network Testing Engineer @ Client: Cisco Systems Roles and Responsibilities: •Functional Testing features on Catalyst 6000 series switches •Reproduce and Verify Customer Bugs on latest software releases. •Technologies/Features worked includes ACL, PACL, VACL, Multicast ACL, uRPF, PBR, MPLS ACL, IPSG, DAI, webAuth. •Tools used includes IXIA IxExplorer, IxNetwork-FT, IxLoad, Cisco ACS. From July 2010 to February 2011 (8 months) Senior Testing Engineer @ Client: Cisco Systems Roles and Responsibilities: Product verification of Cisco ISE 1. Working as testing analyst for one of the feature for upcoming security product. 2. Analyzing requirement and documenting. 3. Provide inputs for Automation team to ease automation. 4. Creating test bed for all teams. 5. Creating End to End scenario and testing it. 6. Technologies include 802.1x wired and wireless, SNMP v1 v2, Radius, TACACS+, switching, routing. 7. Devices include Cisco Switches (Cat6k, 3750G etc.), Cisco NAC, Cisco ACS, and VMware ESX. From July 2009 to July 2010 (1 year 1 month) Senior System Engineer, Product Verification Engineer @ Client: Nortel Networks Project: Nortel or Contivity VPN Router Roles and Responsibilities: Creating Test bed for several test scenarios with various OS (Fedora Linux, Windows server 2000,2003, Vmware), Hardware (NVR, PIX, routers, switches). Testing: VPN IPSEC, PPTP, L2TP peer to peer, ABOT, user tunnels with static and dynamic routing. DHCP, DNS and address-pools system features, user authentication using LDAP proxy, RADIUS, RSA (soft & hard) tokens, RIP, OSPF v2, BGP Routing Protocols, QOS features, statefull firewall, Interface filters (ACL), NAT, ALG, FWUA, 802.1q feature.; Developing new test strategies and updating it when required on Mercury Quality Center & Nortel Clarify. Automating testing process using various tools like Spirent Smartbits and packet replay. Regression, sanity, feature, interop testing for every new release of the product. Reporting and logging bugs/change requests at initial stage of testing, coordinating with development team and customer for faster and better results. From September 2008 to May 2009 (9 months) Quality Assurance (QA) Engineer @ Domain: Interception and Lawful Enforcement, Information Security.; Roles and Responsibilities: End user testing in client place/onsite Testing products like Internet tap 100Mbps, 1Gbps and 10Gbps capture project Internet tap description: Interception or capturing data on ISP side and reconstruction of protocols like HTTP, POP3, and SMTP, E-mail attachments, Messengers Yahoo, Hotmail, ICQ, Paltalk, FTP, 25 various VOIP (SIP & RTP, H323) clients and reconstruct them and present data on GUI. Designing network for new interception functions (new site/product implementation). Packet capture and extensive analysis using tools like Ethereal, Wireshark, and Tcpdump. Contributed towards R&D and Reverse Engineering of various protocols. Testing, Deploying, Configuring, Troubleshooting and Monitoring of various CT products. Written basic scripts for health monitoring of the product using batch and WMI. Configuring OpenVPN Server on Windows server. Installed and configured Squid proxy server on Fedora core Linux. Developing new Test Plane, test strategies and updating it when required. Automating testing process using various tools and packet replay. Regression, Sanity testing for every new release of the product. Reporting and logging Bugs at initial stage of testing, Coordinating with development team and customer for Faster and better results. From September 2006 to October 2008 (2 years 2 months) IT services @ Client Locations : Wipro Technologies Electronic City, ING Vysya Bank Data center ITPL, Union Bank Of India Regional Office M.G Road. Position : Help desk Engineer, Network Engineer. Roles and Responsibilities: • Responsible for monitoring and managing network throughout India remotely (Telnet), troubleshooting of leased line, ISDN, PPP, Routing Issues. • Configuring, troubleshooting and maintenance of Multi Area OSPF Network (ING Vysya Bank), EIGRP Network (UBI), ISDN, NAT, ACL, DDR, HSRP. • Configuring of BRI, PRI, Channelized E1, OSPF Multi Areas, and ISDN Backup. • Configuring time based Dialer Policy across the network to reduce the ISDN dial up costs. • Responsible to give minimum downtime for network. • Link Monitoring through GUI applications like WhatsUp Gold, Solar winds. • In Wipro Technologies responsibilities included Level1 troubleshooting of LAN, configuration and troubleshooting of Internet Information Server (IIS), mail clients, Anti virus, RAS client, VPN Client, Network Printers. • Remote Administration of servers & desktop using CF1,Net meeting, VNC. From April 2005 to August 2006 (1 year 5 months) Junior System and Network Administrator @ Roles and Responsibilities: • Monitoring performance and connectivity of network and servers. • Hardware, software and network troubleshooting. • Administration and maintenance Router, Switch, Windows Servers and Desktops. • Installing and configuring Active directory, DHCP server. • Configuring and troubleshooting of “Annex Gate” firewall. • Install, upgrade computer hardware and software applications. From July 2003 to December 2004 (1 year 6 months) Mahesh G is skilled in: OSPF, BGP, SNMP, RIP, Routing, CCNA, VLAN, Switches, STP, QoS, RADIUS, IPSec, VPN, Routing Protocols, Cisco Technologies