Network Engineer Project Management

Irfan Mohammed

MB: +1-773-***-****

**************@*****.***

LinkedIn ID: linkedin.com/in/irfan-mohammed-b2337a7b/

Summary

Senior Network Engineer with master’s degree and over 13 years of proven hands-on experience in Network Support, network engineering and project management using various networking technologies in a Global Network Environment. Seeking a Network Engineer’s role to continue grow and establish myself in a challenging environment.

Technical Skills

CCNA CCNP certified professional in configuring cisco routers, switches, and checkpoint firewall.

Over all 13 plus years of IT professional experience of which 10 years in cisco Routing, Switching, and Network engineering, Planning, Design,

Implementation, Deployment, Troubleshooting and Maintenance.

Extensive knowledge in configuring and troubleshooting of protocols EIGRP, OSPF, RIP, and BGP and HSRP.

Worked on Cisco 8300, 8500, 7200, 4300, 4400 3800, 2800, 2600 series Routers and Cisco 2900, 3500, 4500, 5500 series switches and Cisco ACI.

Hands-on Experience in Switches Cisco 3550, 3650, 3750, 4500 series, Nexus 2k, 5k, 7k & 9K

Experience in Data Center.

Experience in Orchestration of Open stack. based Cloud.

Experience in Routing RIP, OSPF, EIGRP, BGP, RIP-2, Redistribution, Summarization, Static routing

Experience in Network Management SNMP, HP open view, SNMP v2, Cisco Works, Network Analyzer, SolarWinds, Cisco prime, Ethereal / Wireshark, TCP, Firemon, MS-VISIO, Infoblox, HP Network, Domain servers, DNS servers, Mail Servers, Proxy Servers, Print Servers, Application Servers, FTP Servers, Storage.

Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc.

Experienced in design and implementation Data center routers.

Experienced in various WAN technologies such as DSL, Frame relay, DLC, PPP, T1, and MPLS.

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

Knowledge in configuring VPN tunnels using IPsec encryption standards and configured and implemented site-to-site VPN, Remote VPN in checkpoint firewall and AWS Cloud training.

Experience in Configuring the Cisco router as IP Firewall and for Nating Configured RSTP, MST and used VTP with 802.1q trunk encapsulation.

Knowledge on application load balancing on the servers in F5 BIG-IP LTM module.

Hands-on Experience in using network monitoring tool SolarWinds and Net profiler.

Training & certified in Palo Alto.

Excellent leadership and great team player with good written and oral communication.

Knowledge of Advanced technologies like VOIP & Multicasting

Ability to install, Manage & Troubleshoot Large Networks & Systems Administration on windows & Linux platforms in Development, Lab & Production Environments.

Adept in requirements analysis, network design, installation, configuration, maintenance, and administration.

Experience in Azure and AWS.

Experience in F5 load balancing.

Experience in Cisco DNA

Experience in SDWAN Viptela

Experience in Riverbed

Review all changes to network configuration for technical accuracy and impact and provide Multi-Protocol Network problem resolutions.

Professional Experience

United Airlines

Network Engineer level IV June 2023 to Till Now

Chicago, IL

Responsibilities:

Worked on console and remote configurations of network devices using Telnet and SSH protocols.

Implement and manage WAN.

infrastructure for over 600 national sites and 200 international sites.

Monitored and troubleshot network problems, implementing changes on network designs.

Activating & upgrading circuits by using SDWAN vManage.

Monitoring of the SD-WAN network through Cisco vManage, ensuring optimal performance and reliability by proactively identifying and addressing issues.

Configuring and management of SD-WAN policies and templates in vManage, facilitating seamless deployment and updates sites.

Troubleshooting efforts for connectivity and performance issues, utilizing vManage analytics and reporting tools to diagnose problems and develop.

Collaborated with network engineers and stakeholders to design and implement SD-WAN solutions via vManage, contributing to improved network agility and cost savings.

Managed security policies and configurations in vManage to ensure secure connectivity and protect sensitive data across the SD-WAN environment.

Design and create network and network-related diagrams in Microsoft Visio tool.

Optimizing WAN traffic on Cisco ISR 8500, 8300, 4300, 4400 and ASR 1000.

Experience in using Riverbed WAN optimizer for running reports on utilization, Qos policing and latency issues.

Troubleshoot: OSPF, EIGRP, eBGP/IBGP, DMVPN, HSRP, Access Control Lists, DHCP,

static and default routing, Route redistribution, route summarization, Route-Maps, MPLS, PPP, T1,

IPSec VPNs.

Configured DMVPN and GRE Tunnels connecting United's sites and a third-party firewall service

for Internet-Offload.

Optimize performance of the WAN network by configuring GRE, Zscaler, Vasileft & Vasiright tunnels and DMVPN tunnels for Internet Offload.

Maintenance and Troubleshooting of LAN and WAN connectivity problems using Ping, Trace route.

Ahold Delhaize Aug 2022 to May 2023

Senior Network Engineer

Chicago, IL

Responsibilities:

Working side by side with the Cisco on 8300 implementation project, SDWAN initiative and AWS

Planning and implementing LAN & WAN networks and related hardware and software.

Preparing As built & Future design and document all the network sites.

Working on Palo Alto building tunnels from Azure.

Build a gre and Zscaler tunnels,

Working and troubleshooting on Cisco, WLC, Aruba Wireless, F5, FPR1010, LAN & WAN.

Implementing networks and related hardware and software.

Maintain all sites of LAN & WAN.

Troubleshoot: OSPF, EIGRP, eBGP/IBGP, DMVPN, HSRP, Access Control Lists, DHCP,

static and default routing, Route redistribution, route summarization, Route-Maps, MPLS, PPP, T1, IPSec VPNs.

Configured DMVPN and GRE Tunnels connecting United's sites and a third-party firewall service for Internet-

Offload.

Optimize performance of the WAN network consisting of Juniper & Cisco 4300/4400 routers by configuring GRE,

and DMVPN tunnels for Internet Offload.

Maintenance and Troubleshooting of LAN and WAN connectivity problems using Ping, Trace route.

Extensively using Infoblox, SolarWinds, HPNA, Net Brain, ServiceNow etc.

CF Industries Oct 2021 - June 2022

Network Engineer: III (Senior)

Deerfield, IL

Responsibilities:

Working side by side with the lead network architect in handling Monitoring, troubleshooting and project deployed like CISCO DNA, Guest WIFI, SDWAN Viptela on all Distribution Facilities sites.

Planning and implementing LAN & WAN networks and related hardware and software.

Preparing As built & Future design and document all the network sites.

Working on security (firewalls, intrusion detection), connectivity and access parameters.

Working on Riverbed optimize network infrastructure.

Working on Cisco ASA, Juniper SRX, Palo Alto & FPR 1010.

Tests and tunes security devices and systems and configuring routers and switches.

Monitoring with Solar Winds, Cisco DNA, Infoblox, Riverbed & WLC.

Built & Configure an FPR 1010 firewall.

Build a gre and Zcaler tunnels,

Working and troubleshooting on Aruba Wireless, F5, FPR1010, LAN & WAN.

Implementing networks and related hardware and software.

Implements communications technologies (data or voice).

Upgrade IOS and configuring Cisco ASA firewalls.

Work closely with security, support, and apps group on day-to-day basis.

Design, configure, deploy and testing LAN and WAN network.

Closely work with Cisco on hardware Vulnerabilities.

Extensively using Service Now tool.

Seven Eleven June 2020 - Jul 2021

Senior Network Operation Engineer

Dallas, TX (Remote)

Responsibilities:

Worked on switch technologies (VLAN’s, STP, RSTP, VTP, 802.1x, VCP), Routing (EIGRP, BGP, redistribution, summarization), IP (subnets, CIDR, NAT, ACL’s, DNS, DHCP, WINS), VoIP, multicast protocols (PIM, IGMP, CGMP), TCP/IP, QoS and Cisco IOS.

Participate in pre-Installation site surveys, AP installation/selection and post-installation surveys.

Design, Configure and implement LAN and WAN network on sites.

Working on Cisco ASR’s, Nexus, Catalyst 6500 series switches, 2800 series, 3800 series, 2900 series, and 3900 series, Arista EOS, routers, including Core Cisco switches like 3850,3750,4506,3650,2960 and Juniper SRX security gateway & EX switches, checkpoint firewall Cisco ASA 5500, F5 Load while monitoring the whole Corporate, Cisco ISE security & 7-Eleven Stores network for degradation.

Working with Cisco Unified Wireless (WLC) deployments, performing site surveys, design tools, heat map generation and hardware configuration.

Design and implement Meraki Switches and SDWAN on sites.

Extensively working on Zcaler and Fortinet

Experienced in troubleshoot and implement MDX84 appliance in branches and Mx250 in data center.

Using analysis tools like Wireshark and SolarWinds.

Troubleshoot day to day Data Center Wan issues

Troubleshoot day to day 7-Eleven store with Service Provider, Juniper, Firework, and Infoblox on Network issues.

Working in a Data Center and understand structured cable system design and implementation

Reserved subnets on Infoblox.

methods. Must be able to read and interpret technical documents and procedural manuals.

Using analysis tools like Wireshark and SolarWinds.

Worked on escalated Operation tickets.

Worked on Service Now ticketing tool.

United Airlines Oct 2014 to March 2020

Network Engineer level IV

Mount Prospect, IL

Responsibilities:

Worked on console and remote configurations of network devices using Telnet and SSH protocols. Experience in implementing password security.

Monitored and troubleshot network problems, implementing changes on network designs.

Configuring and maintaining L2 switches, routers, and firewalls.

Configured HUB and SPOKE setup, multiple sites connect to one HUB at the Datacenter.

Design and implement Data Center routers.

Troubleshoot day to day Data Center Wan issues.

Monitor application security issues.

Implement and manage LAN, WAN & WIFI development leading to a scalable and flexible infrastructure for over 600 national sites and 200 international sites.

Design and create network and network-related diagrams in Microsoft Visio tool.

Optimizing WAN traffic on Juniper, Cisco ISR 2800, 2900,4300, 4400, and ASR 1001 using Riverbed Technology.

Experienced in Design, configured & deployed Riverbed.

Monitor Riverbed WAN optimizer for running reports on utilization, Qos policing, latency issues.

Maintain all sites of LAN & WAN.

Troubleshoot: OSPF, EIGRP, eBGP/IBGP, DMVPN, HSRP, Access Control Lists, DHCP,

static and default routing, Route redistribution, route summarization, Route-Maps, MPLS, PPP, T1, IPSec VPNs.

Configured DMVPN and GRE Tunnels connecting United's sites and a third-party firewall service for Internet-Offload.

Optimize performance of the WAN network consisting of Juniper & Cisco 4300/4400 routers by configuring GRE, and DMVPN tunnels for Internet Offload.

Maintenance and Troubleshooting of LAN and WAN connectivity problems using Ping, Trace route.

Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.

Implementing and configuring WAN routers

Troubleshooting L2&L3 Network connectivity issues.

Traffic monitoring deployed resolving Latency issues using Riverbed WAN optimizer.

Manages 3rd party relationships relating to Network Operations (i.e. SITA, Verizon, AT&T, etc.) to ensure service levels agreements are met.

Used analysis tools like Infoblox, and SolarWinds.

Configuring QOS and Cost of service policies where needed. Configuring NetFlow.

Participate in pre-Installation site surveys, AP installation/selection and post-installation surveys.

Configured Zone Based Firewalls and Policy based routing to manipulate the flow for segregate the traffic flow.

Intensive applications of Network automation tools and testing for network automation and configuration management.

Responsible to gather monthly WAN utilization reports a Bandwidth utilization reports from Net profiler.

Snow request to application to submit change request.

Coordinate with change management team for all changes that would likely interface with the Network.

Worked on Service Now ticketing tool

AT&T, Hoffman Estate, IL Oct 2010 - Aug 2014

System Engineer

Responsibilities:

Provided Development support, production support, and design review and Develop test release cycles in a complex environment.

Responsible for Java Application and System support.

Responsible to resolved production issues for GCSM and EPROV Application.

Assisted with developing a Billing methodology that saved time and funds.

Worked in the SOLARIS operating system Environment.

Extensively working on Firewall Rules IP Addresses, Domain names, Protocols, Ports and Keywords.

Used to build and deploy scripts in UNIX.

Wrote Stored Procedure and functions in DB2.

Responsible for Sev1, Sev2 and Sev3 Supports Users, Reported Trouble Analysis & Resolution of Trouble Tickets.

Resolve Root Cause Analysis, Troubleshot and diagnosed systems problems, Installed, and configured varied applications.

Designs, codes programs from moderate to high complexity, creates test transactions and runs tests, revises as necessary.

Resolved all trading issues, Data quality issues raised by end users in each of the applications by coordinating with clients, dealers and internal units.

Coordinated with Development team in planning and executing test cases for integration testing, ensuring adherence to standards and design specifications.

Develops domain expertise in specific technical skills, tools, and techniques.

Preparing and Running SQL Scripts on Production Servers.

Managed software and configuration changes on Test and Production environments along with IT support for production related issues.

Participated in the deployment of applications across multiple sites and platforms.

Analysis & Troubleshoot Java application bar code scanner issues.

Used analysis tools like Wireshark, Infoblox, and SolarWinds

Working on Escalations, modified existing interfaces, Reports and Processes, Designed and Developed the data conversion process.

Managed daily modifications to support customer's business and technical specifications

Manage System Administration tasks and ensuring 24*7 System Support for the mission Critical Data in production environment.

Experience in REMEDY software.

Education / Certifications

Masters in Computer Science - Knowledge System Institute Illinois. 2010

Bachelor of computer Application - Osmania University Hyderabad, India. 2004

Certifications

CCNA – Routing and switching

CCNP – Routing and switching

ACE (Palo Alto Networks)

Diploma in IT

References are available upon request

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