IT professional with over 10 years of professional and progressive experience in design/engineering, administration/service requests, escalation support/ticket resolution, analysis and troubleshooting of various technologies which includes proficiency in routing, routing protocols, switching, security, firewalls, voice, wireless and data center technologies.
Proven background and experience in reviewing design documents and implementing/deploying technologies including provisioning, deploying, configuration, validation and documentation in a timely and proficient manner based on following internal policies and procedures and mandated compliances.
Strong proficiency with administration and support including handling change requests, Tier 2 and 3 escalated tickets based on service level agreements (SLA) and documentation administration.
Work well independently and in a team environment including verbal and written communications with technical and non-technical professionals, third party vendors/service providers and clients.
Proven skills as subject matter expert (SME) to both technical and non-technical professionals including acting as advisor/mentor for various technical, professional and operational activities.
Technical Certifications & Skills
Cisco Certified Network Professional – Routing & Switching CCNP - Route
Certified WAN Professional / Certified WAN Enterprise Administrator CWP / CWEA
Voice / Telecom Enterprise Engineer/Architect VTEEA
Security Firewall Administrator / Wireless Technician SFA / CWT
Cisco Certified Network Associate – Routing & Switching CCNA - R&S
Technical Skills Detail
Routing/Switching Technologies - Cisco Routers ASRs/ISRs, Cisco Catalyst/Nexus, Juniper, Citrix, and H3C Routers & Switches, WAN, LAN, TCP/IP, Cisco IOS, Spanning Tree Protocol, BPDU, CDP, ACL, NAT, PAT, RIP, OSPF, EIGRP, BGP, MPLS, VTP, SNMP, SMTP, Static & Stub Routing, VLAN Trunking, Multicast, HSRP, SVI, CEF, VSS, VPCs.
Voice Technologies – VoIP/SIP, CUCM, UCCM, UCCX, RSTP, STP, Quality of Service (QoS), PoE, MMDS, LMDS, CVP, IVR, PBX/PBS. GSM, Cisco, Siemens, Alcatel, PBX, Huewai, PSTN,
Security/Firewalls Technologies - Cisco ASA firewalls, Cisco Security Manager Suite, Cisco IPS/IDS, Cisco ISE, Checkpoint Firewall, Juniper SRX series, Palo Alto, AAA - TACACS+/RADIUS, SSH, VPN, SSL/IPSec, Port Security
Wireless Technologies - Cisco WLC, IEEE 802.1x & 802.11, WLAN, WAP, AP, LWAPP, Aironet,
Monitoring/Data Center Technologies/APPS - Wireshark, Cacti, Nagios, Solarwinds, Sniffer, Orion, Remedy – VMWare, F5, Citrix Netscaler, Cisco AnyConnect, Cisco Prime, Meraki, SNMP, DNS, DHCP, FTP, Telnet, HTTP(S), SMTP, SFTP
Other Technologies/Languages – VMware, Active Directory, Exchange 2003/2007/2010, SQL Server, Windows NT, 2000, 2008, 2012, MAC OS, MS Office, 2003/2007/2010
Summary of Professional Experience
Direct Logistics/HD E Sr. Network Engineer (SNA) 2017–Present
Arizona Mentors Network Engineer (NSA) 2015–2017
Siemens ICN Sr. Network Engineer (TSE) 2002–2014
Certified WAN Professional Program LANWAN Professional
Bachelor of Science in Computer Science & Engineering Enugu State University of Science and Tech
Master in Information Technology Colorado Technical University
Professional Experience Detail
Direct Logistics/HDE Sr. Network Engineer 2017–Present
Company Overview – Direct Logistics (DLI) a global logistics company specializing in service and technology solutions for destination entry postal drop shipping within the direct mail industry. DLI also provides discounted shipping logistics solutions for non-mail, paper based products including printed material and raw print stock.
Cisco Switches: (4507, 3650, 3560X series, 3750, 3850, IOS & N7009 NX-OS) Cisco ASA 5520 VPN appliances for remote access.
Cisco ASA5510 firewall appliances appliance for securing network access, Cisco Access Control Server 5.3 for TACACS, RADIUS and Active Directory
Routing and Switching experience with EIGRP and BGP configuration, troubleshooting, configuration of DHCP and DNS on routers and switches at various remote site Designs
Monitoring networks using network management tools such as Wireshark, Sola winds tools, Nagios, Cacti and Cisco Prime for Voice
Implement port security on cisco 3560 switches to secure network access
Configure and implement and manage VPN LAN to Lan tunnels utilizing IPSEC, ISAKMP, 3DES, AES, ESP for added security.
Design and implement 2602 and 2702 wireless access point in over 20 locations using Cisco 5508 wireless LAN Controller
Utilizing full packet capture to re-create a security event, identify IoC and write custom IDS/IPS (SNORT) rule
Using the SIEM system to monitor large volume of event data from several numbers of devices and endpoints
Perform standard configuration, management, and maintenance tasks for Linux servers, requests, escalation support/ticket resolution and analysis in an enterprise LAN/WAN environment for datacenters, corporate, WAN links, and branch offices.
Technologies include but not limited to routing, switching, security, wireless and voice throughout an enterprise network of corporations from data center, corporate, WAN links to regional and branch offices.
Other activities included as needed and schedule reports to senior management on the status of technical implementation activities, professional/technical review on LAN/WAN Professionals and its overall success, monitored and worked to streamline/improve the company’s standards and processes.
Arizona Mentors Network Engineer (NSA) 2015–2017
Company Overview – Arizona Mentors has been providing quality of life-enhancing services to individuals and families in the Grand Canyon State since 1995. Throughout our history, we have continued to develop creative, cost-effective solutions to meet the needs of those we serve in community-based settings.
Managed/mentored a team of engineers nationwide responsible for design, implemented, support and maintenance of network infrastructure (physical, logical and virtual) for various clients and environments.
Knowledge and demonstrable experience of Security Information Event Management systems (Sentinel, Intel, QRadar, RSA, Splunk)
Assisted with implementation of Windows Update Services server which greatly reduced administrator overhead for routine patching and security analysis duties
Perform SIEM product support and implementation
Increased team productivity and automated repetitive tasks by using batch files, PowerShell and WMI.
Specific engineering/troubleshooting activities including troubleshooting LAN/WAN connectivity including handling routers, switches, various WAN links (Frame Relay, TDM, LAN lines), monitoring/analysis and resolution of complex routing issues using various routing protocols including BGP, OSPF and EIGRP and acting providing technical mentoring/assistance to other technical team members and teams.
Monitored and administered F5, RSA Security Analysis, Vulnerability Management, Cisco and Juniper Firewall to identify malicious activities
Seasoned Systems Administrator familiar with MS Windows 2000-2003 Server, 2000, XP OS
Additional responsibilities included proactive analysis, developing best practices, policies and procedures, reviewing analyzing Runbooks, MOP, network schematics including logical and physical diagrams.
Siemens ICN Senior Network Engineer (TSE) 2000–2014
Company Overview – Siemens ICN Mobile offers a complete range of mobile solutions, including mobile devices infrastructure and applications. Is a fast growing business in a fiercely competitive, burgeoning wireless industry faced with the need for rapid product innovations and operations excellence. Senior management at this 29,000 person business unit of Siemens AG wanted to strongly link its strategic direction to everyday operations.
Member of an enterprise network / telecom engineering team responsible end to end implementation of an enterprise nationwide network that included conducting site assessment, designing the implementation schematics/configurations, deploying the technologies, handling the advance configuration, testing and validating including hand off to the operations team for day to day support/administration.
Additional responsibilities included Tier 3 support for any escalation support and acting as SME for major change requests along with conducting annual technical audits to ensure proper functionality and compliance.
Responsible for up to 150 servers and over 10,000 users in a global technology environment. LINUX OS supported web services, email, and a significant CRM application for this client.
Experienced in many aspects of computer security technologies such as: IDS/IPS, port and vulnerability scanners, and network detection used in performance of daily activities and to perform assessments and audit
Technologies in network environment included both voice/telecom and data network but not limited to routers, switches, security, firewalls, voice / collaboration (application, voicemail, email, text), wireless (GSM, access points, controllers, site surveys) and related technologies along with various server/application administration, system reimaging, and remote setup.