SUMMARY

• Knowledge of project assignment and project management
• Effective analytical and problem solving skills.
• Outstanding organizational and time management skills, able to prioritize multiple assignments.
• Results oriented; takes self initiative, able to work long hour to meet project deadlines.
• Excellent communication skills including verbal, written, and presentation skills.
• Able to work both independently and as a team member.
• Capable to Providing IT Solutions for: Application Development, QA Testing, Network Support, Design & Planning, User Training & Support.

TECHNICAL SKILLS:

Routers: ASR - 1000, 3945, 2911, 2951, 7206VXR (NPE-G1, NPE400), 3845, 3745, 2811, 2851, 2821.

Switches/Catalysts: Nexus 5548, FEX-2248, 4500-X, 4510, 4500-E, 7600, 6509, 6506, 3850, 3750-X, 3750G, 3750, 2960G, 3550, 3560, PoE, 3750, 4500, Catalyst 6500 series, Nexus 7000 series, 2960-S and 3560-X

Security: Cisco ACS 3.2 to 4.2.3 (AAA, TACACS/RADIUS), ASA 5510, 5505, Pix Firewall 515E, Fortinet UTM, VPN (IPSec L2L, Remote VPN, SSL/WebVPN, DMVPN).

Routing Protocols: MPLS, BGPv4, OSPF, EIGRP

Routed Protocols: TCP/IPv4, TCP/IPv6 (UDP/IP, NetBEUI, SNMP, ICMP, SMTP, FTP/SFFP, TFTP, SSH/Telnet, HTTP/HTTPS).

Encapsulations: PPP/MLPPP, HDLC, GRE, GRE over IPSEC, Frame Relay.

Network Media: ISDN PRI/BRI, T1, T3/DS3, 10/100/1000Mb-Ethernet, TenGigabitEthernet.

Switching: VLAN (SVI), VTP, STP ( PVSTP, Rapid STP, MST ), Ether Channel (L2/L3), Multi-Layer switching, HSRP, VRRP, GLBP.

Network (SNMP) Tools: Cisco Works LMS 4.2.3, Wireshark (Packet Sniffer), Solarwinds Toolbar.

OS Servers: Windows 2008/2003/2000 Server, UNIX (Sun Solaris), Red Hat Linux 9.0.

VOIP: Cisco Call Manager 7.1, Cisco IP Phone 7960/7940, 8961(9.5Volt), H323 Suite (H.225-Registration/Call, Signaling, H.245-Open/Close Channel, RTP-Real-time Transport Protocol, H.235-Security/Signal, SSCP (Skinny).

QoS: {(DSCP, IP-Precedence, CoS), EF (101, 5) for RTP over B-Channel and CS3/AF31 for DTMF, Call Setup over D-Channel}, Digital Trunk (ISDN PRI/BRI).

Programming: C, C++, SQL, PL/SQL, HTML, XML, JavaScript, Java, Servlets, JSP.

Misc Software: MS Office 2003-2010 (Word, Excel, Power Point), Visio 2003-2010, BMC Remedy, GSD.

Misc Skill: IP (Class A-E), Subnetting Binary/Decimal/Hexadecimal Numbers, OSI Model and Layer Functions

PROFESSIONAL EXPERIENCE

Network Engineer

Confidential, Elk Grove, IL

Responsibilities:

• Upgraded IOS on all Cisco routers and switches using TFTP server and HP Automation tools.
• Participate in Wan Transformation project and delivered network solutions.
• Design, test and reviewed new Wan configuration for Remote sites .
• Participate in change planning meetings and prepare necessary documentation for appropriate network change related authorizations.
• Design, configure, test and support Cisco network infrastructure .
• Develop service implementations and subsequent enhancements to firewall and switching infrastructure.
• Work closely with stakeholders to develop and deliver Network solutions.
• Create, test and maintain Firewall rules for Data Centers and Remote branches.
• Install switches and Routers and troubleshoot Local Area Network and Wide Area Network.
• Perform software IOS upgrades on all Cisco devices using TFTP Server.

Network Engineer

Confidential, Chicago, IL

Responsibilities:

• Design, configure and troubleshoot Cisco network routers, switches and other network components to support all aspects of the day to day operation.
• Installed and configured Cisco ASR 1000, Cisco 6509 (Sup 720-3B), Cisco 4509, Cisco 3850 stacked switches, 3750X/3750-PFS, 3560/3550 switches.
• Perform advanced tier troubleshooting, including off-hour maintenance activities, problem resolution and be on-call.
• Installed/Configured Cisco IP-Phone on Cisco Switches and performed end to end testing with VOIP Engineer.
• Performed new IOS testing in LAB by deploying IOS on Cisco Routers/Switches and document test results. For Example: Check IOS compatibility, Features, HW requirement and burn-in Test. Management certified IOS images library.
• Performed IOS upgraded in production environment from above certified IOS library.
• Performed LAN/WAN traffic monitoring Stealth-Watch. Performed Day to day network monitoring, collect and prepare statistical data for analysis on network performance and Hi-Availability (monitoring of network device logs, port statistics).
• Analyzed network and system response and determines tuning recommendations to improve performance.
• Performed circuit turn-up and circuit decommission with ISP (including Cogent, Comcast, Verizon). Performed intrusive testing to certify new circuits by sending flood of pings (to ISP IP) with max packet size and check if there are any packet drops, input/output errors etc.
• Develop and maintain/update documentations for HQ/DR and other major sites using MS-Visio.
• Maintain infrastructure assets (HW/SW) inventory, licensing and current software versioning.
• Performed IP-Space/Subnets management and update DNS records using Infoblox.
• Performed basic troubleshooting on F5 using CLI.
• Performed basic troubleshooting and testing on Riverbed Steelhead 1U using GUI during power outages. Used GUI to test interfaces are functional, verify end-to-end connectivity and check network optimization. Using mgmt console, checked WAN utilization and used this tool for day to day network monitoring.
• Performed basic troubleshooting on Checkpoint using CLI.
• Performed remote troubleshooting by using Avocent TS (as Terminal Server) and for login to nodes.
• Installed ASR 1000 router and configured it for multicast.
• Managed remotely powered UPS, PDU.
• Upgrade IOS on Cisco ASA 5500, Cisco 3550, 3560, 3750-PFS, 3750-X, Cisco 3850 switches, ASR 1000, Cisco 4509, Cisco 6509 switches and upgraded the modules, power supply, Sup 720s, TenGigabit Ethernet modules, 802.3AF POE module, voice daughter cards.
• Upgraded/installed HW modules, power supply, Sup 720s, TenGigabit Ethernet modules, 802.3AF POE module, voice daughter cards.

Network Engineer

Confidential, Northlake, IL

Responsibilities:

• Provide and attain support objectives and implement policies and procedures at the direction of management
• Responsible for all components of Cisco network infrastructure including routers, switches, wireless accesspoints, wireless LAN controllers, ASA 5500, 5520 series firewalls, layer 2, layer 3 LAN/WAN support, HSRP, QOS, VLANs, bandwidth utilization and modeling using Cisco CLI and other third party software.
• Remotely configure and administer network, system monitoring and integrate with other enterprise
• Design, architect, and update network documentation using MS Visio and other tools.
• Participate in meeting with service providers and work with vendors to troubleshoot and resolve circuit and other network related issues
• Install switches and provide configuration management for and troubleshoot Local Area Network and Wide Area Network.
• Review, recommend and implement security requirements for all systems on the network.
• Participate in change planning meetings and prepare necessary documentation for appropriate network change related authorizations.
• Be available for after hour’s on-call duties for both WAN circuits and other upcoming network related projects.

Network Engineer

Confidential, Volo, IL

Responsibilities:

• Responsible for monitoring and maintaining several devices including Datacenters, LAN/WAN.
• Ensuring highly available movement of data through the networks that comprise the enterprise network system.
• Implement, monitor, review, and report on network security logs and IDS infrastructure for security policy violations and attacks.
• Implement and maintain physical network connectivity to the network interface of external business partners and perform monitoring as well as capacity planning with industry experts to ensure the effectiveness and efficiencies.
• Design, develop and implement network solutions which serve the business needs.
• Provide technical assistance in network planning, engineering, and architecture.
• Develop technical standards, identify and evaluate new products, and provide resolution for network problems.
• Identify and diagnose complex problems and factors affecting network performance.
• Provide implementation and technology review and Network Infrastructure team
• Act as a focal point for large account network problem resolution and manages incident management
• Install/Manage daily operational support activities on Cisco devices.
• Design and implement new connectivity solutions for access to company Datacenters
• Perform software upgrades on all Cisco devices using TFTP and Ciscoworks (LMS) for Bulk.
• Implement, monitor, review and report on network health to include availability, downtime, utilization, capacity planning, etc.
• Renew and create new network baselines for network performance, trending and capacity planning for routers, switches, firewalls and VPN diagrams.
• Document and maintain network diagrams, maintain network infrastructure procedures and process documentation.
• Comply with the change request process
• Track and triage various incident and automated tickets in the network queues until resolution
• Publish daily turnover reports and ensure proper handoff of pending issues to the next shift
• Coordinate with ISP, Telco, and 3rd party suppliers from ticket initiation through completion.
• Assist the Lead Network Engineer in branch migration from OSPF to BGP
• Open incident tickets with ISP for faulty circuits such as T1, ISDN PRI/BRI, T3, DS3 and escalated issues and followed up till completion.
• Joined all crisis calls and invoke data network line when necessary
• Worked closely with project teams and support groups to review and approve network changes
• Reviewed documentation and diagrams to ensure all pertinent information is provided
• Remotely located devices and servers in the data center
• Provided support to Data center wide VOIP infrastructure including PBX, Call Manager, Voice Gateways, IP Phones and Interactive Voice Response System.
• Resolved tickets with hardware issues for Gbics, Line Cards, Power Supplies and Fan
• Coordinated with ISP to provision new circuit at various branches.
• Upgraded all branch location routers with cellular scripts for failover to cell backup.
• Prioritized incidents and change requests based on defined criteria and service level agreements and effectively communicated with the customer on incident status
• Proactively checked several data center circuits for any higher utilization and checked for any potential attacks by looking at sudden spikes in circuit usage

Network Engineer

Confidential, Mount Prospect, IL

Responsibilities:

• Worked as a Network Engineer to support and maintain company’s LAN/WAN in a 24x7x365 based environment.
• Resolved T1 data circuits by checking input/output errors and opened tickets to address the issues by taking complete ownership
• Resolved access port and trunking issues by enabling or bouncing the ports
• Configured and installed UTM firewall, switches and routers
• Proactively checked network traffic performance and congestion
• Provided remote troubleshooting to assist field technicians to resolve various on-site issues
• Maintained and updated network diagrams and documentation
• Demonstrated excellent troubleshooting / problem management skills and worked independently with minimal supervision and direction
• Performed network troubleshooting to isolate and diagnose network problems.
• Reviewed previous problem records and performance monitors to evaluate network performance and made recommendations for future improvement.
• Responsible for configuration, installation, and support of network infrastructure for new installations as well as upgrades to existing environments. Perform software and hardware upgrades including planning, scheduling, testing, and coordination.
• Evaluate and report on new communication technologies to enhance capabilities of the core network.
• Administer security issues pertaining to any access including VPN and firewall security.
• Assist in the design and development of the network services architecture and implementation of new network infrastructure.
• Maintain existing systems, ensuring that proper implementation, failure recovery and security procedures are followed.
• Identify deficiencies of both technical issues and business processes, elevates risk to team lead and/or reporting management, and proposes innovative solutions to address issue.
• Document accurately new infrastructure implementations and modifications to existing infrastructure.
• In Strategy & Planning, collaborate with executive management and department leaders to assess near and long-term network capacity needs. Create and maintain documentation as it relates to network configuration, network mapping, processes, and service records. Develop, implement and maintain policies, procedures, and associated training plans for network administration, usage, and disaster recovery.
• Design and deploy company LANs, WANs, and wireless networks, including servers, firewalls, routers, hubs, switches, UPSs, and other hardware.
• Conduct research on network products, services, protocols, and standards to remain abreast of developments in the networking industry.
• Oversee new and existing equipment, hardware, and software upgrades.
• Interact with vendors, outsourcers, and contractors to secure network products and services.
• In Operational Management, configure networks to ensure their smooth and reliable operation for fulfilling business objectives and processes. Monitor network performance and troubleshoot problem areas as needed. Oversee installation, configuration, maintenance, and troubleshooting of end user workstation hardware, software, and peripheral devices.
• Ensure network connectivity of all servers, workstations, telephony equipment, fax machines, and other network appliances.
• Monitor and test network performance and provide network performance statistics and reports.
• Participate in managing all network security solutions.
• Perform server and security audits, and system backups and recovery.

Network/System Engineer

Confidential, Chicago, IL

Responsibilities:

• Responsible to support and maintain company’s LAN/WAN in a 24x7x365 based environment.
• Resolve issues few times related to spanning tree caused by Ether-Channel/Port-Channel by clear IP ARP or disabling and enabling ports or sometimes rebooting switch as last resort.
• Resolve access port issues shutdown by spanning-tree error-disable.
• Resolve Voice Trunk (PRI) issues especially when channel got stuck active and user got busy tone for outbound calls. Reboot router or shutdown/no shutdown controller cards.
• Work with vendor (ISP) to resolve circuit issues.
• Implement basic network security policies using Access Control Lists, Switch Port Security, Trunk Access, VLAN Management and Inter VLAN Routing
• Work closely with the management team in formulating a system to implement the Broadband Telephony (VOIP) technology to expedite process and improve voice quality of the company’s phone switch
• Attend training programs for Multi Service creation platform, VOIP technology implementation, conferencing, planning phone card prepaid and wholesaling services and least cost routing
• Install all new hardware, systems, and software for networks, e.g., IOS Upgrade, WIC, Cabling, Switches, Router, Servers, PC and IP-Phones.
• Install, configured and maintained network services, equipment and devices.
• Built and maintained network specification, schematics diagram and documentation of network topology and architecture using MS Visio
• Manage user accounts, permissions, email, anti-virus
• Configure Routing with EIGRP, OSPF, route filtering using ACL, route advertisement, Redistribution, Network Address Translation and security and authentication.
• Daily network troubleshooting to check the network traffic performance and congestion.
• Implementation of Cisco Call Manager (CCM), H323, MGCP.
• Support administration of servers and workstations.
• Used Cisco Works Software for Software, Hardware Inventory, IOS Upgrade, Configuration Upload, and Chassis View.
• Provide technical support to users, including assisting with computer software, hardware, and fax.
• Conduct network administration duties such as assigning new user login ID, passwords
• Assist different departments in coordinating their processes through the company’s website.
• Establish networking environment by designing system configuration; directing system installation; defining, documenting, and enforcing system standards
• Configure, install, and support network hardware and software infrastructure including switches, routers, firewalls, etc.
• Maximize network performance by monitoring performance; troubleshooting network problems and outages; scheduling upgrades; collaborating with network architects on network optimization
• Secure network system by establishing and enforcing policies; defining and monitoring access
• Accomplish information systems and organization mission by completing related results as needed
• Reporting network operational status by gathering, prioritizing information; managing projects
• Ensure all network equipment complies with industry and corporate standards.
• Analyze and resolves faults, ranging from major system crash to a forgotten password.