network administrator

JEAN AGHOMO

Network Engineer

Location: NC Phone: 980-***-**** Email: **********@*****.***

SUMMARY

● Around 7+ years of Experience as a Network Engineer in planning, designing, implementation, troubleshooting, optimizing & testing of static/dynamic routing protocols - EIGRP, OSPF, MPLS, IS-IS & BGP.

● Good in designing, implementing, and Managing LAN, and WAN solutions for different client setups. Good knowledge of Routing, Switching, Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS), Firewall Management, IPsec and VPN Configuration, and VoIP Management.

● Good knowledge of the OSI Model and TCP/IP networking standards with protocols such as SNMP and TFTP.

● Knowledge of Configuring static NAT, dynamic NAT, and dynamic NAT overloading. Good Understanding of Multiple Contexts in ASA firewalls and implemented different failover mechanisms among ASA firewalls.

● Experience in implementation, and configuration troubleshooting of Ether-channel, HSRP, and VRRP. Proficient in installing and configuring DNS, DHCP server, Subnetting, IPv4, and IPv6.

● Configured network security policies IPSEC, SSL, VPN, Route-maps, distribute lists, Prefix lists, Access Control Lists (ACL), and filters in Cisco ASA, and Palo Alto environments.

● Proficient in Configuring/Troubleshooting WAN Technologies Frame-Relay and PPP on the Cisco Router.

● Good knowledge in configuring Virtual Local Area Networks (VLAN), spanning tree protocol (STP), and VTP.

● Experienced in troubleshooting both connectivity issues and hardware problems on Cisco-based networks.

● Good improved the performance of the AAA module by reducing internal messaging overheads and identifying areas for memory optimization.

● Experience in Virtualization technologies like installing, configuring, VMware vSphere. Extensive knowledge of deploying & troubleshooting L1/L2/L3 TCP/IP, Multilayer Switching, QoS, IPSec, UDP, Ethernet, Voice & Data Integration & IP Routing Protocols RIP, EIGRP & OSPF

● Experience in developing data applications in Linux/Windows environments.

● Good communication and presentation skills with experience in the development, implementation, and integration of strategies within a team-oriented environment. EDUCATION

Bachelor of Science, Network & Communication Management DeVry University, IL CERTIFICATIONS

● Cisco Certified Network Associate (Cisco ID: CSCO13634815)

● Cisco Certified Specialist-Enterprise Advanced Infrastructure Implementation (Cisco ID: CSCO13634815)

● Cisco Certified Network Professional Enterprise (Cisco ID: CSCO13634815)

● Cisco Certified Specialist- Enterprise Core ( Cisco ID: CSCO13634815)

● CompTIA Security+ Certified CE ( ID: COMP001022469933)

● Security Clearance Level: Secret

SKILLS

LAN, WAN, IDS, IPS, IPsec, OSPF, MPLS, NAC BGP, Juniper, EIGRP, NAT, VLAN, VPN, ACL, Cisco ASA, IS-IS, SNMP, TFTP, Load Balancing, TCP/IP, DHCP, CDX, Miraki, DNS, AAA, VTP, STP, HSRP, VRRP, Cisco ISE, VMware, Wireshark, PPP, Palo Alto, PRIME, Frame-Relay, MS Visio, Windows, Linux EXPERIENCE

Network Administrator (NEC) GStek, Inc Department of Defence Fort Johnson, Louisiana December 2023- Present

● Upgrade Cisco IOS Switches (Catalysts 9300-XL, Catalysts 3750-X etc...)

● wireless AP configuration and implementation.

● Maintain Cisco Nexus Switches (5k, 7k, 9k)

● Design and Maintain Spanning Tree topology ( STP, MSTP)

● Troubleshoot fibers ( single mode, multi-mode, 100 mb, 1000 mb, 10 000 mb).

● Manage TCP/IP, DNS, SUBNET, DEFAULT GETWAY, etc ...

● Maintain hardware, software, and other network infrastructure, figuring out network performance. setup and upgrade new networks, while Identifying problems as they arise and coming up with great solutions. upgrade and maintain firmware for Cisco Catalyst 9300-48, 3750-X nexus 7k 9k...etc using specific tools to wipe switches or to bring the connection back in case the building is down.

● Verify day-to-day connection of all buildings, checking the status and updating any equipment if needed.

● Process packets captured from each building, then process them for analysis.

● Configure and set wireless AP in each building, allowing wireless-capable devices to connect to the wired network.

ENVIRONMENT:

TFTP, UDP, TCP/IP, PACKET CAPTURE TOOLS, Cisco IOS-XE, WIRELESS AP ETC Gap due to preparation of CCNP Exam July 2023- November 2023 Network Administrator TEKsystems/Concentra Los Angeles, California May 2023-June 2023

● Upgrading DMVPN and spoke WAN infrastructure with software-defined wan ( SD-WAN) solution forever.

● 650 clinic locations across the United States.

● Configure new Routers and Switches for SD-WAN conversion.

● Collaborate with the Telecom Engineer Team to make sure the work service is working properly.

● Complete the cable map for each location, following the appropriate documentation.

● Manage connectivity and infrastructure in the company’s networking.

● Ensure the company has internet access at all times.

● Testing each New connection when adding or replacing any hardware ENVIRONMENT:

DMVPN, SD-WAN, LAN/WAN, IPV4, MAC ADRESS TABLE, SNMP, CISCO ROUTERS /SWITCHES Network Technician II Atrium Health Charlotte, NC April 2022 – April 2023

● Install, test, service and repair end equipment including but not limited to personal computers, networks interfaces, cards and associated software, printers, modems, fax devices, etc...

● Install and maintain network devices such as Routers, switches, firewalls, wireless LANs, IDS/IPS appliances, etc...

● Designing and installing well-functioning computer networks connections and cabling.

● Performing troubleshooting to system failures and identifying bottlenecks to ensure long-term efficacity and cabling.

● Deploying Cisco devices to Miraka in network closets.

● Worked in NOC, monitoring and controlling large computer networks from a central location.

● Testing and configuring software, maintaining and repairing hardware and peripheral devices

● Providing support in the operation and the district data communications networks by installing,

● Troubleshooting, and maintaining computer hardware software and data communication equipment.

● Deploy and maintain all Medical temperature controller systems to the nurse station, making sure all equipment works promptly

● Create Incident tickets using tracking tools to respond to track, and follow up on inquiries

● Regarding access to applications and services, login help and report issues.

● Work with nurses and Doctors, helping with troubleshooting with digital censoring controller

● Report problems with procedures and make suggestions for improvements.

● Installed and configured wireless Bridges and censors across the hospitals. ENVIRONMENT:

RIP, IGRP, OSPF, EGP, EIGRP, BGP, IS-IS, CISCO SWITCHES, CATALYST, TRACEROUTE, ipconfig, NETSTART, PING, WIRESHARK, PRTG, TELNET, HUPSPOT, SolarWinds, SNMP, TCP/DUMP, TCP/IP, SOLARWINDS WEB HELDESK, CONNECT WISE, Meraki switches, OS TICKET, NETWORK DEPLOYMENT LAN CONSTRUCTION, INVENTORY, TDR, ETC... IT Network Engineer Support Amazon NC March 2021– March 2022

● Troubleshooting of complex LAN/WAN infrastructure including routing protocols EIGRP, OSPF, MPLS

& BGP.

● Involved in designing & commissioning WAN infrastructure with OSPF for redundancy during link failure.

● Used security policy management to provide secure access to network resources, ensuring compliance, and enhancing infrastructure security, and streamlining service operations.

● Implemented URL filtering and SSL Decryption in the Palo Alto Firewall environment.

● Set up & maintained Cisco ASA security policies including NAT, SSL, ACL & Secure Remote access.

● Implemented and maintained intrusion detection/ prevention (IDS/IPS) system to protect the enterprise network and sensitive corporate data.

● Configured routers and switches using various switching techniques and protocols like Ethernet, STP, Frame Relay, and IS-IS.

● Leveraged the Prime platform to give members access to exclusive shopping, entertainment services, discounts, and more.

● Worked with a senior network engineer in the network operation center (NOC), controlling and monitoring the entire network remotely /on-site.

● Installed and maintained Cisco and Load Balancer and documentation.

● Support third-party technologies within the ACI ecosystem such as VMware ESX.

● Used network Access control to approach computer security that attempts to unify endpoint security technology, user, and network security enforcement.

● Manage, Install, configure, and troubleshoot Proxy, DHCP, DNS, TCP/IP, VPN & Linux servers.

● Worked on Cisco switches for LAN requirements that include managing VLANs, Port Security, and troubleshooting LAN issues.

● Troubleshoot and manage LAN segmentation, TCP/IP protocol setup, internetwork, and intranetworking connectivity issues.

● Leveraged Credit Default Swap Index to promote material compliance, exchange, and maintenance of full material declaration, and material data Sheets throughout the entire supply.

● Provider Network, Tier 3 support (diagnose and troubleshoot layer1,2 &3 problems) and administration for various Vanguard environments like Internet, Intranet, QA, DR, Proxy

● Deployed firewalls, Cisco Adaptive Security, and proxy software to safeguard network security in addition to both local and global traffic management to minimize congestion, latency, and loss.

● Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption. ENVIRONMENT:

LAN/WAN, EIGRP, NAC, OSPF, BGP, SSL, Cisco ISE, Palo Alto, Cisco ASA, PRTG, NAT, SSL, ACL, IDS/IPS, Ethernet, WIRESHARK, STP, Frame Relay, SOLARWINDS, CDX, IS-IS, Load Balancer, ACI, VMware ESX, DHCP, PRIME, DNS, TCP/IP, VPN, Linux servers, VLANs HSRP.

Network Administrator Essentra NC January 2019 - February 2021

● Migrated Cat 6500 series switches to Nexus 5K.

● Design and deploy Network modernizations from Cisco 7600 platform to ASR9000 and CRS

● platforms.

● Designed 10-gigabit networks using Cisco Nexus 7000 series switches, Checkpoint NGX firewall, and Cisco 3800 series routers.

● Network Segmentation application migrations for all enterprise PII and PHI Firewall applications, and data behind ASA 5585-Xs.

● Installed and configured Cisco ASA 5585 10G firewall at the database and App server layer.

● Designed and implemented Shoretel VoIP phone for more than 100 users, also maintaining the Shoretel Database.

● Physically deployed new Cisco Nexus devices, Catalyst and Nexus replacement blades, FWSMs, Cisco ASAs, Citrix Netscaler MPX, and SDX chassis.

● Created VDC's and vPC's and ensure that those vPC's are formed between VDC's.

● Created vPCs 's between downstream devices between core and Aggregation Switches and between Aggregation and Fabric Interconnect.

● Replaced aging Checkpoint firewall architecture with new next-generation Palo Alto appliance.

● Worked on firewall Pix525, ASA, and other tools like SNMP, AAA, and RADIUS and designed VPN with IPSEC security layer.

● Migrated cisco3550 switches to 3750 PoE switches to provide support to Wireless APs.

● Installed Cisco 5508 WLAN controllers and configured Access points.

● Performed Assessment, Installation, and configuration of remote sites to allow connection to the Core network.

● Worked on Check Point Firewall. Experience in setting up HSRP/VRRP.

● Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210.

● Troubleshooting and installing of CRS, ISR, GSR, ASR9000, and Nexus devices.

● Configuration and verification of redundancy protocols HSRP on Cisco Layer 3 devices for load balancing and failover.

● Assisted with the installation of Juniper firewalls to replace existing Firewalls which increased network uptime.

● Provided Load balancing solutions to clients for using F5 Load balancers.

● Implemented redundancy in BigIP F5 loads balancers to provide uninterrupted services to clients.

● Configuration and administration of Checkpoint firewall and creating access rules for network traffic.

● Creating dedicated VLANs for Voice & amp; Data with QoS for prioritizing VOICE over DATA.

● Experience with converting Checkpoint VPN rules over to the Cisco ASA solution.

● Migration with Cisco ASA VPN experience.

ENVIRONMENT:

Cisco IPsec, Cisco ISE, VPN, Palo Alto, AAA, DNS, NAC, JUNIPERS, DHCP, PRIME, STP, VTP, VLAN, Frame-relay, PPP, TFTP, Miraki, VMware, CDX, Wireshark, HSRP, VRRP, TCP, MS Visio. OTTO Environmental Systems, NC Feb 2015 - Dec 2018 Network Technician

● Respond to customer’s issues via phone, email, and computer chat.

● Provide customer assistance while documenting performance interactions.

● Diagnose and provide support to customer’s reported issues.

● Configure all Palo Alto Networks Firewall models as well as a centralized

● management system (Panorama) to manage large-scale firewall deployments.

● Configuration and maintenance of firewall systems.

● Installing and configuring Checkpoint and firewalls, VPN networks, and redesigning

● customer security architectures.

● Provided Load balancing solutions to clients for using F5 Load balancers.

● Worked on wireless networking hardware such as Cisco Wireless LAN.

● Involved in the design and implementation of the Data Centre.

● Implement, and maintain Cisco Prime Wireless, Cisco LMS, and SolarWinds.

● Working with Cisco firewalls with Firewall rules, IPSec VPN, NAT, Active-Standby

● Failover, OSPF, and Any Connect VPN technologies.

● Escalate issues to the next tier with the next level of difficulty.

● Install, make changes, and repair computers, upgrading hardware and software issues.

● Follow up with customers to ensure issues are effectively resolved.

● Use a ticket system to create, support, manage, and maintain customer issues. ENVIRONMENT: Tactical problem-solving, ability to explain technical information clearly, multitasking, communication, applications tracking, troubleshooting, Hub spot, SolarWinds web help desk, Spiceworks, Connect wise, OS ticket

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