Network Engineer Cisco

Zeeshan Ahmed Mohammed

adjdsa@r.postjobfree.com - +1-414-***-**** - Boston, Massachusetts, U.S.A

PROFESSIONAL SUMMARY

Around 6+ years of professional experience in Network Planning, Implementing, Configuring, Troubleshooting, Testing, and Cloud Implementation of networking system on both Cisco and Juniper Networks.

Experience with the escalation problems for Routing, Switching, and WAN connectivity issues using ticketing system remedy.

Expert-level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF.

I have worked on Cisco 7200, 3800, 3600, 2800, 2600, 1800 series Routers and Cisco 2900, 3500, 4500, 5500, series switches and Nexus 2000, 5000, 7000 series switches, Juniper SRX, MX series routers.

Experience with Server/PC hardware integration, Network Monitoring, Troubleshooting, Cisco Switches, Routers, Firewalls, and VPN.

I have worked on Cisco Wireless controllers 8500, 5500, 3500 series, Cisco 4800, 3800, 2800, 1810, 1800 series Access Points.

Maintaining cloud infrastructure using AWS Route 53, implemented DNS service through Route 53.

Plan and design of Network Architectures with ACI and SDN networks.

I have implemented network applications and services on wide area network devices.

Implementation traffic filters on Cisco routes using Standard extended Access list.

In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.

Proficiency in configuration of VLAN setup on various Cisco Routers and Switches.

Hands-on experience in using network monitoring tool SolarWinds Orion, Geneva Monitoring, Cricketnet

Good knowledge of Cisco RSA, Cisco Virtual Switching System (VSS).

Implementation and troubleshooting WCS/NCS/Cisco Prime Infrastructures

Strong knowledge in HSRP, VRRP redundancy Protocols.

Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark, and Cisco works to support 24 x 7 Network Operation Center.

Experience in physical cabling, IP addressing, and subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing, and configuring proxies.

Access control server configuration for RADIUS & TACAS+ with ISE

Performed administrative tasks from the operations management on SCOM Platform and resolved technical problems using Microsoft SCCM 2012.

Development knowledge and experience with most or all the following languages and specifications: XML, XML Schema, XPath, XQuery, HTML, CSS

Experience in scripting and automation using PowerShell, Python & Windows

Certifications and Achievements:

Cisco Certified Network Associate (CCNA)

Library Recognition Award

TECHNICAL SKILLS

Protocols

RIP, RIP V2, EIGRP, OSPF, IS-IS, IGRP, HSRP, VRRP, GLBP, LACP, PAGP, DNS, SMTP, SNMP, FTP, TFTP, LDP/TDP, POP3, LDAP.

LAN Technologies

Workgroup, Domain, HSRP, DHCP, Static, VLAN, STP, VTP, Ether Channel, Trunks, Aruba Networks, HPNA

WAN Technologies

Leased Line, Frame Relay, ISDN, PPP, HDLC, ATM, SONET, Metro Ethernet.

Network Products

CISCO Routers 1700, 1800, 2500, 2600, 2800. CISCO High-End Router 3600, 3800, 7200, 12010. CISCO Switches 1900, 2950, 2960. CISCO Campus Switches 3550XL, 4984 Core Catalyst 4503, 4507 RE, Catalyst 6500/6503/6507, CISCO NSO, Tail-F NCS. 5520 WLC

Security & VPN

PIX 500 Firewall, ASA 5505 Firewall, AIP SSM, CSC SSM, FWSM, Fortigate, CISCO CSM, ACL- Access Control List, IPS/IDS, NAT, PAT, CISCO ACS, Check Point, sonic wall, RSA SecurID, SRX, SSG series firewalls.

Authentication

RADIUS, TACACS+, ISE Digital certificates, Ansible, Jira automation tools

Monitoring

Wireshark, SolarWinds, PRTG Packet Sniffer, Grid State, Geneva Monitoring, Cricketnet, SevOne, Infoblox, Granite, NEST

Servers

Domain servers, DNS servers, WINS servers, Mail servers, Proxy Servers, Print Servers, Application servers, FTP servers, Avocent Console server, DNA center

Operating Systems

Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 server, Windows XP/7, LINUX, Solaris, Red Hat, UNIX, Junos, PowerShell scripting, Merlin, SQL, SCOM, SCCM

Cloud Technologies

Amazon Web Services (AWS): Route 53, Azure, Active Directory

Takeda Pharmaceuticals Company Ltd, MA (October 2019 – Till Date)

Sr. Network Engineer / Wireless Network Engineer

Responsibilities:

Plan, implement, install, operate, and maintain systems hardware, software applications and Information Technology infrastructure.

Work on Cisco 6509, 6513 and 4510 switches for LAN requirements that include managing VLANs,

Port Security and troubleshooting LAN issues.

Part of the Core Network Engineering & Development team to create and submit host builds network configurations changes and manage host and application decommissioning.

Experienced on Cisco Wireless Networking projects, SSID integration, AP Staging, Roadmap upgrades, Wireless Harmonization.

Maintaining cloud infrastructure using AWS EC2, S3, Cloud watch, Cloud Formation, Route 53.

Cisco ISE to creating design documentation, building ISE rules, implementing ISE solutions across a variety of networking and wireless environments.

Cisco ISE to provide authentication and set up radius server and used for applying rules in TACAS.

DNS consolidation and migration from different accounts to Route 53 managed by AWS

Planning and designing of Network Architecture using ACI and SDN networks.

Migration of all legacy DNS accounts and their zone files to AWS Route 53 as one account and register it with CSC registrar also confirm all the records and name servers.

Infoblox and DHCP server check efficient IP utilization and make customizations. Migration from Infoblox to subnets and location of DHCP is performed by importing the Infoblox DHCP configuration server file.

Configure ports on various Nexus 7k,9k switches, configure VLANs, and assign IPs and space allotment.

Responsible for managing data center infrastructure decommissioning by administering circuits and transport disconnects.

Hands on experience on Cisco Wireless controllers 5520, 8500, 5500, 3500 series, Cisco 4800, 3800, 2800, 1810, 1800 series Access Points.

Installing Cisco Aironet wireless sensors at client sites to test real-world client experiences and check performances.

Developing and executing detailed network designs, specifications and architectural plans for IP Backbone architectures. Designs include various BGP, OSPF, RSVP, LDP, QoS, and MPLS-TE architectures.

Build simulated networks to resolve problems and compatibility issues, and perform an analysis of

network designs. Supervise on new hardware and software to implement.

Hands on experience in configuring and troubleshooting IOS-XR software.

Performed cisco wireless tuning at all the Takeda sites, configures WLC's, performed troubleshooting, and repair of access points. Finalizing the maps of sites for surveying and ensuring 100% uptime and all download and upload speed requirements are met.

Troubleshooting and resolving network, wireless, and communications issues, Implementation, and troubleshooting WCS/NCS/Cisco Prime Infrastructures.

Designing, configuring, implementing and troubleshooting (LAN) VLAN’s, VTP, Spanning Tree (STP),

Trunking (dot1q and ISL) and Ether channel.

Compiled the methods of procedures and documentation to support personnel in the installation, maintenance, and removal of network equipment.

Performed LAN operations and troubleshooting, which involves working on VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.

Design Layer 2, Layer 3 networks for cloud hosting data centers and enterprise networks.

Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for the purpose of scaling.

Troubleshoot the Network Issues onsite and remotely, depending on the severity of the issues.

Performed Break Fix support through driving to different buildings, identifying the root cause of the hardware issues with switches, routers.

Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.

Environment: Cisco router 3825, 7209, Switches: 9k, 7k, 4948, 3750, NX-OS 5958. Security: ASA 5550, 5545-NX Checkpoint R70, R75 Splat &GAiA, Cisco WLC 5520, DNA Center, Cisco ISE Load Balancer: A10, F5 Big-IP (LTM) 4000v, Kemp LoadMaster 6.0, NMS: HP OV, Voyance, Zenoss, Solarwind, Dynatrace, OpManager, Aruba. Skills: Power Shell, Merlin, SQL server, SevOne, Ansible and Jira Platforms, Wireless: Wi-Fi, 802.11b/g, WEP/WAP, WLC’s, IT ServiceNow

T-Mobile Corporation, WA (May 2018 – September 2019)

Network Engineer / Systems Design Engineer

Responsibilities:

Work on planning, deploying, running, and decommission Network hardware and applications.

Work on Cisco 6509, 6513 and 4510 switches for LAN requirements that include managing VLANs,

Port Security and troubleshooting LAN issues.

Part of T-Mobile's Core Network Engineering & Development team to create and submit host builds network configurations changes and manage host and application decommissioning.

Plan, implement, install, operate, and maintain systems hardware, software applications and Information Technology infrastructure.

Configure ports on various Nexus 7k,9k switches, configure VLANs, and assign IPs and space allotment.

Responsible for managing data center infrastructure decommissioning by administering circuits and transport disconnects.

Developing and executing detailed network designs, specifications and architectural plans for IP Backbone architectures. Designs include various BGP, OSPF, RSVP, LDP, QoS, and MPLS-TE architectures.

Build simulated networks to resolve problems and compatibility issues, and perform an analysis of

network designs.

Hands-on experience in configuring and troubleshooting IOS-XR software.

Used Ansible and Ansible Tower as a Configuration Management tool to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.

Designing, configuring, implementing and troubleshooting (LAN) VLAN’s, VTP, Spanning Tree (STP),

Trunking (dot1q and ISL) and Ether channel.

Provide improvement opportunities and recommendations in products and IOS.

Compiled the methods of procedures and documentation to support personnel in the installation, maintenance, and removal of network equipment.

Experienced with ASR 1000 series routers 1002, 1004 and troubleshooting the issues as per

customer requirement

Performed LAN operations and troubleshooting, which involves working on VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.

Design Layer 2/Layer 3 network for cloud hosting data centers and enterprise networks.

Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for the purpose of scaling.

Troubleshoot the Network Issues onsite and remotely, depending on the severity of the issues.

Performed Break Fix support through driving to different buildings, identifying the root cause of the hardware issues with switches, routers.

Design, implementation, and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.

Environment: Cisco router 3825, 7209, Switches: 9k, 7k, 4948, 3750, NX-OS 5958. Security: ASA 5550, 5545-NX Checkpoint R70, R75 Splat &GAiA, Load Balancer: A10, F5 Big-IP (LTM) 4000v, Kemp LoadMaster 6.0, NMS: HP OV, Voyance, Zenoss, Solarwind, Dynatrace, OpManager, Aruba. Skills: Power Shell, Merlin, SQL server, SevOne, Ansible and Jira Platforms

Microsoft Corporation, WA (April 2016 – April 2018)

Network Engineer

Responsibilities:

Work on planning, deploying, running and optimizing SharePoint Online services.

Contribute to the infrastructure health scorecard to drive continuous improvement into service elements where necessary.

Drive customer-facing engineering efforts and consultation around SharePoint Online connectivity.

Involved in configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches

Experience with Server/PC hardware integration, Network Monitoring, Troubleshooting, Cisco Switches, Routers, Firewalls, and VPN.

Onsite network support and expertise for all teams on the local data center campus

Deliver quality services and faster and easily by automating through NSO and PowerShell.

I have implemented network applications and services on wide area network devices.

Troubleshoot network hardware and software, working with 3rd party hardware vendors and suppliers on root cause analysis, resolution

Schedule and perform network maintenance, repair, and upgrade tasks for F5's and L2, L3 Switches like Agg and TORs as needed while limiting the impact on the production network

Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.

Provided Authentication and authorize all users. Create logs and manage communication between users and domains using Active Directory.

Configured networks using routing protocols such as EIGRP, OSPF, BGP, and manipulated routing updates using route-map, distribute-list, and administrative distance.

Automate the maintenance tasks using PowerShell scripting.

Experience with the escalation problems for Routing, Switching, and WAN connectivity issues using ticketing system remedy.

In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.

Hands-on experience in network monitoring using tools SolarWinds Orion, Geneva Monitoring, Cricketnet

Configuration and Administration of Cisco and Juniper Routers and Switches

Experience working with Nexus 7010, 5548, 5596, 2148, 2248 devices.

Experience configuring VPC (Virtual Port Channel), VDC (Virtual Device Context) in Nexus 7010/7018

Actively involved in troubleshooting on network problems with Wireshark, to take the traces to identify the errors.

Provision and de-provisioning the customer space from the environment.

Support SharePoint Online service health and customer satisfaction through on-call rotation participation.

Environment: Cisco router 3825, 7209, Switches: 4948, 3750, NX-OS 5958, SharePoint Online Security: ASA 5550, 5545-NX Checkpoint R70, R75 Splat &GAiA, Load Balancer: F5 Big-IP (LTM) 4000v, Kemp LoadMaster 6.0, NMS: HP OV, Voyance, Zenoss, Solarwind, Dynatrace, OpManager, Aruba. Skills: Power Shell, Merlin, SQL Server, Visual Studio

Kent State University, OH (May 2015 – December 2015)

Networking Tech Assistant

Responsibilities:

Maintaining and troubleshooting problems with library network equipment, including computers, printers and wireless networks.

Configuration and Administration of Cisco and Juniper Routers and Switches

Experience configuring VPC (Virtual Port Channel), VDC (Virtual Device Context)

Experienced and knowledgeable with the technology’s VPN, WLAN, and Multicast.

Well Experienced in configuring protocols HSRP, GLBP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.

Experience in installing and configuring DNS, DHCP servers.

Conversions to BGP WAN routing. This will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only), which involves new wan links.

Responsible for coordinating all IT projects with all departmental managers and executive teams and vendors.

Created alerts, reports, dashboards, and edit them using Splunk.

Redesigned library layout for specialized sections to allow students to utilize library effectively

Assisted management and students with locating and working out system bugs and daily issues.

Environment: Cisco router 3825, 7209, Switches: 4948, 3750, NX-OS 5958, Security: ASA 5550, 5545-NX Checkpoint R70, R75 Splat &GAiA, Load Balancer: F5 Big-IP (LTM) 4000v, Kemp Loadmaster 6.0, NMS: HP OV, Voyance, Zenoss, Solarwind, OpManager, Aruba, ServiceNow, Dynatrace

High Power Electrical, HYD, India (Aug 2012 – June 2014)

IT SUPPORT ANALYST

Responsibilities:

Install, configure, and maintain network services, equipment, and software for networks.

Design and Development of Network infrastructure

Manages all system back-up and restore protocol.

Plans and supports network and computing infrastructure.

Documents network problems and resolution for future reference.

Monitors network system performance and implements performance tuning.

Oversee software and network security.

Configure network devices and monitoring tools to provide automated alerts for outages, events, specific thresholds

Configuring floor switches Cisco 3750 for the end-users.

We are configuring Cisco Wireless Access Points, HSRP, and STP in Cisco Catalyst 4507 switch.

Configuring Wireless LAN (802.11 a/b/g).

Responsible Making of network assessment for current network infrastructure, providing Technical support for Routing & Switching.

Network troubleshooting and optimization

Installed HPNA networks

Converted Ethernet cables into HPNA networks to connect with other networks.

Educational Qualifications:

Master of Science (Aug 2014 to Dec 2015)

Computer and Information Sciences

Kent State University, Kent-OH, United States

Bachelor of Technology (Aug 2008 to May 2012)

Electronics and Communication Engineering

JayaPrakash Narayan College of Engineering, JNTU-H, Mahabubnagar, India

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