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Network Engineer Technical Support

Location:
Hyderabad, Telangana, India
Posted:
March 05, 2018

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Resume:

Professional Summary:

*+ years of experience in Networking, including hands-on experience in IP network design providing network support, installation and analysis.

Experience in building network infrastructure for Data Centers which involved trouble-shooting both connectivity issues and hardware problems on Cisco based networks.

Experience in Information Technology Industry on mission critical Enterprise Network and System Administration.

Understanding of Cisco Routers 1900, 2500, 2600, 3500, 3700 and 7200, ASR 1001

Catalyst Switch 3560, 3750, 3850, 6500, 6800.

Hands on experience in TCP/IP, VLAN, NAT, VPN, DMVPN, DHCP and OSI Layers.

Networking WAN Protocols: RIP, EIGRP, OSPF and BGP.

Exceptional skills in IPV4 Sub-netting

Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers.

Networking LAN Protocols: VLAN, SVI’s, Spanning Tree Protocol, Rapid Spanning Tree Protocol, MST, VTP, FHRP and Ether channels (LACP and PAGP).

Nexus 9k, 7k, 6K, 5K, 3K and 2K(Fex)

NX OS features VDC, VPC and Fex associations.

Set up, tested, and handled troubleshooting for Cisco switches, Cisco routers for LAN/WAN connectivity.

Worked on WAN Leased lines 64k - 155Mb (PPP / HDLC), Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay, ISDN, Load Balancing.

Implementing standard security measures on all the Routers and Switches. Configuring AAA on all network devices with TACACS+ using Cisco ACS.

Proficient using the F5 based profiles, monitors, VIP’s, pools, pool members, iRules for virtual IP’s

Knowledge of DNS, DHCP, Quality of Service (QoS).

Monitoring tools : Solarwinds, Cacti, Net scout and IPAM,

Involved in troubleshooting production issues and in escalating as per the requirement.

Execute the change requests from customers/users after ensuring that due approvals are received.

Good knowledge in supporting MS Office

Adept in Modeling Business Process using MS Visio and generating Workflows

Worked in various shifts and providing various levels of 24x7, on-call coverage.

Education and Training:

Bachelor of Computer Science & Engineering.

CCNA ( RnS)

CCNA Security Training Completed

CCNP (RnS)

CCIE RnS (Written) Cisco ID: CSCO13191192

Technical Skills:

Protocols

RIP, EIGRP, OSPF, BGP, VRRP, GLBP, LACP, PAGP, DNS, SMTP, SNMP, FTP, TFTP, LPD/ TDP, WLAN

LAN Technologies

HSRP, DHCP, VLAN, STP, RSTP, PVST, VTP, Inter VLAN, dot1q, Port Security, Nexus 9k, 7k, 6K, 5K, 3K and 2K(Fex)

WAN Technologies

Frame-Relay, ISDN, PPP, MPLS, HDLC, ATM

Network Products

Cisco Routers-7200, 3800, 3600, 2800, 2600, 1800;

Cisco Switches-2900, 3500, 4500, 5500, 6500, 6800, Nexus 5K, 7k, 9k

Security

Cisco PIX, ASA, Checkpoint, IPS/IDS, NAT, PAT, Cisco ACS, Netscreen, Proxy Server, VPN,DMVPN, IPsec

Management Tools

Wireshark, Syslog,

Operating Systems

Microsoft Windows XP/Windows 7/ Windows 8.1, Windows Server 2003/2008.

Documentation

Microsoft Office, Visio

Professional Experience:

Orange Telecom, Sterling, VA Feb 2017 – To Date

Network Engineer

Responsibilities:

Implementation of Key customer’s projects & complex projects. Preparing High Level Design (HLD), Low Level Design (LLD).

Involved in Network Separation since they split in two groups include responsibilities to Design Network for a new connectivity on various sites LAN & WAN and configuring those including creating Visio diagrams.

Was assigned 27 domestic and global site responsibilities were to identify right hardware and configuring them as per standard of AbbVie infrastructure.

Worked with service provider for Circuit installation with AT&T, Level 3 and others

Technology used during this transition is PFR, BGP, OSPF, and with various design as sites are all redundant connected by internet and MPLS circuit of AT&T. Also, used Site 2 site VPN based on available bandwidth and circuit type.

Hardware used during this transition so far was ASR’s, XR's and 7K 6800 and 4500X switches. Riverbeds (steel head) are used for load balancing at various sites.

Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes, BGP route filtering policy problems.

Developed / fixed route redistribution mechanism between BGP and OSPF for large scale international networks.

Monitored and troubleshoot EIGRP, MPLS, multi area OSPF and OSPF scale issues.

Migrated from DMVPN Phase 2 to Phase 3, since Phase 2 is not an optimal solution.

Ensuring successful implementation utilizing quality methodologies (ITIL)

Implementing Internet and Branch Office Connectivity, Load Balancing, High Availability and Fault Tolerance for critical business entities. Validating peer reviews to outline client’s requirement and fulfillments.

Demonstrated the migration benefits from HSRP to GLBP. Successfully upgraded the existing network to GLBP for high availability and load balancing between distribution layer switches.

Performed configuration of SNMP, RADIUS, and TACACS along with other standard global configurations on existing client production routers and switches

Installed and Configured a Cisco secure ACS server for AAA authentication (RADIUS).

Overseeing other project requirements includes writing staged documents and procedure for supporting engineers.

Installed and configured protocols like TCP/IP and Internet protocols on WAN network.

Writing Procedural document including Operational Guide lines, Turn over to Production, emergency shutdown, WAN disconnections, Health checks etc.

Document owner ship and availability to customer on request. Designing logical and Fiber layouts of entire campus for customer presentations.

Internet / WAN Connectivity, Planning, Designing and Implementation of Enterprise Internet Connectivity using

HSRP /VRRP and BGP for inbound and outbound load balancing and fault-tolerance, with respect to the client’s requirements.

Pak Datacom Ltd (British Telecom Subsidiary) Aug 2012 - Jan 2017

Karachi, Pakistan.

Network Engineer

Responsibilities:

Responsible for stable & structured operations and utilization of information technology resources to achieved service level requirement.

Working rotating shifts (2nd and 3rd shifts) and callout as needed are a requirement of the job.

Plans, researches, develops, and tests new networking technologies in support of business operations

Utilize Network Analyzer tools and queries to provide system performance statistics.

Assisting in troubleshooting of LAN\WAN issues.

Testing and evaluating potential new versions of Cisco IOS software.

Configuring Static, IGRP, EIGRP, BGP and OSPF Routing Protocols on Cisco1600, 2600, 2800, 3600, 7300 series Routers.

Works directly with Architecture team to evaluate design details and provide information on current and proposed network infrastructure considerations.

Perform Tier 3 technical support consisting of detection, diagnosis and correction of issues.

Installs cabling for new and existing networks.

Participates in the creation, implementation and continual improvement of standards, processes and procedures required to deliver high quality service.

Generated technical-diagrams (Visio)\results\operations handover documentation.

Working on Satellite Communications Equipment’s like Sky Edge, Sky Star Advantage.

Making Procedures for Routing and Switching.

Perform multiple Tasks for daily round Checking of the Equipment include HPP, HSP, TWTA, LNA, LNB, IP CheckSrv etc.

Proficient in design, implementation, management and troubleshooting of Check Point firewalls, Check Point Provider-1 / VSX, Palo Alto IDS/IPS modules, Data Center Migration, F5 Load Balancers, LTM, GTM, ASM, APM, Bluecoat URL filtering.

Implementing, troubleshooting and maintaining AP, WLC, WCS, NCS

Providing Technical Support in Implementation of VPN connection with IPsec.

Perform the task to complete the Hub Installation, configuration and making sites UP and running on the Network.

Mapped, Network Diagrams and physical identification in MS Visio.

Dealing with Vendors to provide Support for the remote T1, DS3 and satellite links

Worked as a contractor to help and Assist Network Design Team and manages inventory.

Configured and maintained Local Network using Cisco series Routers 2800, 2900, 3800 and ASR 1001. Configured and troubleshot Routing Protocols BGP and OSPF.

Conducted root-cause analysis and provided recommendations for continuous improvements to workflow, process, and technology and designed a new layout for various remote sites of Abbott Labs and successfully deployed.

Participated and contributed in Switching Technology Administration including creating and managing VLANS’s, Port security, and VTP

Installed and configured CSU/DSU, module more than 97 sites to deploy T1 Circuit.

Configured EHWIC-4G-LTE-V module on ISR G2 routers for a wireless back up just in case primary fails to maintain reach ability.

Developed and implemented BGP for network redundancy, policy routing, and tuning using route-maps. BGP attributes and path control.

IOS upgrades on Catalyst 1900, 2900, 3500 series switches and 2500, 2600, 3600 series routers.

Racking, stacking, and cabling network-based, IT systems.

Augure Cellular Company Jul 2011 - Aug 2012

Karachi, Pakistan.

Network Engineer Operations

Responsibilities:

Oversaw the day-to-day operation of computer networks including hardware/software support, training, and special Projects. Planned, designed and implemented data connectivity for local area network (LAN) and wide area network.

(WAN) systems. Experienced using static routing, default routing, static NAT, dynamic NAT, and NAT overloading

Responsibilities:

Configuration and maintenance of Cisco 1700, 2600 series routers with EIGRP routing protocol.

Configuration and maintenance of Cisco 2900, 3550 series switches including VLANs and Trunking protocols also configuring all the end ports as access ports using port fast and implementing BPDU guard.

Exposure to IP and IPX to support various routing protocols like RIP, EIGRP and OSPF protocols Provisioned and validated DNS record for customer domains.

Gained strong knowledge with hand-on experience of IP-subnetting for class A, B, and C networks.

Configured and troubleshooting of HSRP, Spanning tree Root guard, BPDU guard and Loop guard STP features.

Configured VLAN, Spanning tree, VSTP, SNMP on EX series switches.

Configuring and Maintaining TACACS+ for AAA.

Involved in customer escalations and troubleshooting issues related to connectivity, STP, VLAN, Trunking, VTP, Layer 2/3 switching, Ether channels, Inter-Vlan routing that can degrade performance of network.

Responsible for implementation and day to day operations of all associated hubs, routers, bridges, gateways and related equipment.

Monitoring the network, troubleshooting network problems, implementing changes, communicating and working closely with vendors, customers, system administrators.

Support Maintain and Monitor using Traffic Graph, Syslog Server.

As per Pre-described Procedures handling the issue and escalating it to seniors and Management.

Building and configuring the Network as per requirement of Clients and Company.

Assisted with the deployment of hardware and software to clients (including the installation, troubleshooting, and configuration and testing of basic hardware/software).

ZainCom Aug 2008 – Jul 2011

Karachi, Pakistan.

System Support Tech

Responsibilities:

Managing 3 members System Support team.

Vendor correspondence, video conferencing setups.

Troubleshooting & resolve all local issues regarding blade server VMs & Thin Clients

Provided 1st level application support to Core banking application IFLEX and other banking applications like Capstone, Debt Manager, Rosette, Harmony, Business Objects, ORMS, Oracle Thick client installation.

Installation of Microsoft SQL client on user systems.

Fault Management, Reporting and Escalation.

Maintain a thorough understanding of Local Area Networking.

Performance Evaluation of Helpdesk.

Over 200 nodes LAN support.

MS-Outlook 2007 & 2010 configuration & trouble shooting.

Helpdesk systems call logging.

Coordination with Vendor for system warranty and related issues.

Manage and configure Network printers.

Server complete Installation.

Windows7 installation & complete support at client machine.

PTCL Broadband Devices Connectivity Support.



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