Sakesh
832-558-2010 EXTN: 142
Harinadh.annavarapu@fluxteksol.com
Skills Summary
8 years of experience in network planning, testing, implementation and support of Service Provider.
Extensive knowledge of Microsoft server and Cisco networking devices.
Superior troubleshooting and technical support abilities with migrations, network connectivity, creating and modify scripts and database applications.
Strong knowledge of LAN, WAN, Intranet, and Extranet.
Peering inbound and outbound through BGP and configuring BGP/OSPF routing policies and designs.
Develop exceptional relationships with clients, co-workers, management and end users.
Identified, developed, and implemented mechanisms to detect security incidents in order to enhance compliance with and support of security standards and procedures in place.
Maintained/Created Information Security programs for monitoring and updating corporate-owned web domains and web servers.
Monitored internal control systems to ensure that appropriate access levels were maintained.
Excellent communication and problem solving skills. Fluent in English.
Excellent analytical, leadership, and organizational skills.
Build IT security infrastructure including Checkpoint, Juniper and ASA Firewalls.
Better understanding in Telecommunication Services.
Strong attention to detail with ability to work in a team environment.
Comprehensive knowledge of SNMP, NetFlow, and Syslog.
Ability to use network analysis, and management tools.
Outstanding understanding of Solaris Linux, Windows, and network operating system.
Administered operating systems, hardware, and peripheral components.
Maintain Web servers, file servers, firewalls, and directory services.
Experience in network operations team providing 24x7 on-call support.
Certifications
Cisco Certified “Cisco Certified Network Associate” (CCNA)
Cisco Certified “Cisco Certified Network Professional” (CCNP)
Technical Skills
Routing Protocols
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EIGRP, OSPF, BGP, LDP, DNS, RIPV2, HTTP
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WAN Technologies
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PPP, HDLC, Frame Relay, MLPPP
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LAN Technologies
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VLAN, LACP, STP, RSTP, PVST+, MSTP
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Switches
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Cisco Catalyst 2900, 6500
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Routers
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Cisco 3800, 7200, ASR1K, 7600, GSR, ASR9K, CRS-1, Avaya 2300, 4134
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Internetworking IOS
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Cisco IOS, IOS-XR, IOS-XE
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Routed/Non-Routed Protocols
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TCP/IP, IPv6
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TCP/IP Services
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DNS, WINS, DHCP, SNMP, SMTP, FTP, Telnet
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Professional Experience
CareFirst BlueCross BlueShield, Owings mills, MD Nov 2014 -Present
Network Operations Engineer
Installation, configuration and troubleshooting of Cisco 7200VXR, ASR1K, XR12K, ASR9K, Catalyst 6500 and 2900 switches.
Configuration and troubleshootingof BGP, OSPF, PPP, Frame Relaywith VRF-liteon Customer-Edge routers connecting to MPLS L3VPN and Internet Service Providers.
Supported WAN infrastructure involving Cisco devices across several sites.
Performed IOS, IOS-XR and Junos upgrades and production network maintenance.
Configuration of VLAN, VLAN Trunking, LACP, BFD, HSRP and VRRP.
Resolved connectivity, packet loss and latency issues over WAN links.
Implemented Tcl, Perl scripts for monitoring production network.
PerformedPoC testing to evaluate new networking HW/SW features, topologies.
Created technical documentation (MOP, DG, CR) and network diagrams using MS
Visio.
Performed on-call duties on a rotation basis and created troubleshooting guides.
NetScout Systems, Fort Meade, MD Oct 2012 to Sep 2014
Network Engineer
Designs, installs and configures network and infrastructure and the monitoring tools, including the core network switches, routers, firewalls, intrusion detection/prevention systems (IPS), proxy servers.
Setup new workstations and printers to access the network.
Install and configure workstation software.
Setup user workspaces, Identify problems, troubleshoot workstation hardware and software, Configure and troubleshoot networked printers, copiers and fax machines.
Recommend designs to ensure consistency within networks.
Day-to-day activities involved maintenance, upgrading, and troubleshooting of Ethernet, Fast Ethernet, and Gigabit Ethernet LANs.
Used DHCP to automatically assign reusable IP addresses to DHCP clients.
Created extensive architecture and design documents such as (site network diagrams, logical LAN/WAN diagram, network device list (servers/routers/switches), server information sheets) that will be used in the handoff from engineering to operations.
Network Assessment and Documentation (including technical, operational, and economic assessment)
Redistribution of routing protocols and Frame-Relay configuration
Build and maintain Visio documentations for Clients
Managing User accounts using Active Directory
Implementation of TCP/IP & related Services-DHCP/DNS/WINS
Environment: Cisco 3750/3550/3500/2960 switches and Cisco 7200/3700/3600/2800/2600/2691 routers, OSPF, BGP, VPN, VLAN
COSTCO WHOLESALE Nov 2011 – Sept 2012 Network Technician
Monitored 6509s at the core layer; 4507s, 3560s and 3550s at the access layer of the regional corporate office and replaced end-of-life hardware and added redundancy
Built and upgraded LAN/WAN Infrastructure
Part of the team that terminated T1 lines on Cisco 6509 Switches
Designed and implemented VLAN using Cisco catalyst switches 6509, 4507, 3560, 3550
Worked as Layer 2/3 support engineer
Deployed Routers/Switches, Wireless AP and Barracuda load balancer
Configured Cisco 2960, 3550, 3560 at the access layer at different locations
Upgraded computer hardware and software
Maintained onsite computer hardware and software to provide minimal downtime
Part of the team that negotiated with outside vendors and approved contracted services
Upgraded hardware and software
Set up LAN cabling, servers, PCs, printers, routers, hubs, switches, scanners, software, backup/restore, tuning and optimizing
Assisted end-users in resolving hardware and software issues
Configured Windows 2000 as File, Print and WEB servers
Restarted different services and bounced servers as per customer requests inorder to maximize productivity and sales.
Provided onsite trouble shooting at multiple locations throughout Mid- Atlantic region
MICROSOFT – Tata Consultancy Services Nov 2010- June 2011 Global Network Services Implementation Engineer NE3
Provided representation for all property-requested deployments and changes for all scheduled governance activities and got all the projects approved without fail at the rate of 100%
Worked with customers on troubleshooting, resolving, and communicating technical issues
Deployed high end devices like Cisco Nexus 7k/5k/3k, 6509 and 3650 switches,
Configured and demonstrated routing concepts such as OSPF and BGP, moreover created VPN/GRE tunnels for shared and dedicated customers
Configured and demonstrated switching concepts such as trunking, ether channels, VLANs, inter VLAN routing, spanning tree, Multiple Spanning-Tree, HSRP and VRRP
Managed and maintained ACLs for Microsoft Hotmail and helped the property with the design change with minimal impact to the customers.
Responsible for deployment process of all customer-impacting and non-customer-impacting network upgrades
Handled escalations not only from Tier 1 and 2 but also helped other networking groups, isolated and troubleshoot problems in a timely manner.
Managed organizations network consisting of multiple vendor environment including Cisco, Juniper, Quanta and F5s
Provided leadership and subject matter expertise and trained new team members
Created excellence in GNS service delivery by managing all property-requested network deployments and changes through GFS from inception to deliver
ONS Search, Bangalore- India Aug09-sept 2010
Network engineer
Configured STP for loop prevention and VTP for Inter-VLAN Routing.
Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750, 4500 and 6500 series Cisco Catalyst switches.
Planned and implemented subnetting, VLSM to conserve IP addresses.
Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
Provided on-call support for installation and troubleshooting of the configuration issues.
Configured Standard, Extended, and Named Access Lists to allow users all over the company to access different applications and blocking others.
Troubleshoot ASA Firewall Cisco Routers / Switches from Layer 1 to Layer 3.
Troubleshoot ASA Firewall for Failover, Primary / Secondary configuration.
Managed trouble call system using ARS (Action Request System) along with ITIL for troubleshooting and day-to-day maintenance..
Experience with various open source monitoring tools such as Nagios, OSSEC, SIEM, OPENMNS.
Network Lab Assistant
Data center
Hyderabad May2008 – Jun 2009
Imaging standard to advanced Windows Enterprise workstations and Windows Servers to ESXi vSphere 4.0 server
managed deployment of images from ESXi server.
Practice HIPAA, Cisco Security, and Security+ standards while maintaining accessibility to appropriate data to end users
PC's and laptops from ESXi server, and making images in VM then installing them onto PC, and laptops.
Complete inventory of equipment, cables, devices, and testing of all current and legacy equipment for proper
functionality, and providing tech-support for Cisco department, students, faculty, and many network engineers.
Aiding Instructor with student's technical questions, labs, and general information throughout the semesters.
Server maintenance and configuration including Password-Recovery, IOS recovery, backups of IOS, VMware installs and Imaging
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