Timi O
College Park,USA
Summary
Experienced Network Engineer with over 15 years in Cisco routing, WAN support, and VPN configuration for national networks. Holds CCNP and CCNA certifications, demonstrating expertise in EIGRP, TCP/IP, and multi-site environments. Focused on network security, system troubleshooting, and cloud computing management, with a strong ability to develop initiatives that align with corporate objectives.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Network Engineer
22nd Century Technologies (National Archives
College Park, MD
01.2023 - Current
- Provided daily L2/L3 network management and support for a large national network, including 41 field offices across the US.
- Configured and managed Cisco routers, switches, and firewalls, ensuring secure and reliable WAN and VPN connectivity.
- Resolved Tier 2/3 network issues, including site-to-site VPN troubleshooting and interface/controller command diagnostics, ensuring minimal downtime.
- Supported and administered Cisco ISE, Cisco Prime, Cisco DNAC, and TACACS+ for network access control and policy enforcement.
- Managed hardware upgrades, configuration changes, and IOS upgrades for Cisco network equipment across all field offices.
- Monitored network performance and reported incidents using Splunk Enterprise and other monitoring tools.
- Migrated Cisco DNAC from Cisco Prime and implemented security controls for compliance across remote sites.
Network Engineer (Principal)
Department of Justice (DOJ-ATR ISSG)
Washington, DC
11.2021 - 01.2023
- Configured and deployed Cisco routers, switches, and VPNs for remote trial sites and office locations, ensuring reliable connectivity for operations.
- Supported VPN connectivity, including troubleshooting and configuration of Cisco ASA firewalls and AnyConnect for remote users.
- Deployed Cisco ISE for port-based authentication and policy enforcement in a wired environment, strengthening access control across network devices.
- Integrated Cisco ASA firewall with ISE for secure VPN access and managed device inventory and decommissioning.
- Administered EIGRP, 802.1X, SSID, and TACACS+ authentication on network devices to ensure secure access.
- Collaborated with service providers and internal teams to streamline firewall requests, port openings, and network changes, enhancing network security and efficiency.
- Provided second-level WAN support, responding to incident tickets and managing ServiceNow (SNOW) incidents and change requests.
- Maintained and documented standard operating procedures (SOPs) and project processes using Atlassian Confluence.
- Network Design Inc (NDI) Project
Network Engineer
Internal Revenue Services (IRS)
Lanham, MD
12.2019 - 11.2021
- Configured and troubleshot Cisco routers, VLANs, TCP/IP, and Frame-Relay networks for reliable WAN connectivity.
- Monitored WAN and network performance, resolving Layer 1, 2, and 3 routing and switching issues to meet SLA requirements.
- Configured EIGRP, OSPF, BGP, VLAN, GRE, and other protocols for core, distribution, and access network layers.
- Managed Cisco Edge routers, stack switches, and ASA firewalls, ensuring secure and efficient network operations.
- Supported VPN and wireless management with Aruba Clear Pass and Cisco ISE probes, enhancing device information collection.
- Collaborated with vendors and internal teams to promptly resolve service issues, ensuring minimal network downtime.
- Developed and maintained SOPs and technical documentation for network operations and incident management.
Network and Systems Administrator
National Association of Social Workers (NASW)
Washington, DC
12.2018 - 11.2020
- Designed and deployed AWS solutions, managed EC2 instances, and configured VLANs and security settings.
- Supported migration of on-prem data to AWS Cloud, optimizing VPC resource management and configuring network flow logs.
- Managed incident, service, and change request tickets, enhancing response times and ensuring project deadlines were met.
- Managed Office 365 users, firewall ports, and Azure MS Exchange administration for secure network access.
- Documented SOPs and technical processes, enhancing team reference materials and documentation culture.
- Liaised with vendors to resolve contract challenges, improving support services for network infrastructure.
Systems Administrator
Smithsonian Institute (National Zoo)
Washington, DC
03.2017 - 12.2018
- Managed service desk tickets and monitored data center infrastructure, including Cisco routers, switches, ASA firewalls, and VPNs, to maintain operational stability.
- Reported critical incidents and failures to management, facilitating 24/7 awareness of infrastructure and security risks.
- Oversaw hardware refresh and upgrade projects, collaborating with teams to meet deadlines and ensuring data integrity throughout processes.
- Maintained IT operations SOPs and tracked hardware asset inventory using SharePoint.
IT Support Specialist
George Washington University Hospital (GWUH)
Washington, DC
03.2014 - 03.2017
- Led a team supporting onsite and remote users, managing incident tickets for LAN/WAN and hardware issues.
- Provided technical support for network, VoIP, and hardware issues across LAN/WAN environments.
- Supported and managed network infrastructure for user accounts, ensuring reliable connectivity and uninterrupted service for users.
- Managed service desk tickets and responded to customer inquiries, ensuring compliance with SLA and team guidelines to maintain service quality.
- Delivered end-user training and documentation to enhance team operations and improve accessibility of technical resources.
Education
Master's degree - Information Technology
University of The People
Pasadena, CA01.2025
Skills
- Network Engineering
- Network Management
- Network Troubleshooting
- Network Support
- Cisco Routers
- Cisco ASA
- WAN
- VPN
- EIGRP
- TCP/IP
- Layer 2/3 Support
- Network Infrastructure
- Network Documentation
- CCNP
- Cable Management
Certification
• MCSA
• Google Cybersecurity Professional
• CCNP
• JNCIA
• AWS Solutions Architect
• ITILV4
• CISM
• CCNA Routing & Switching
• Google Cybersecurity Professional
• CCNP
• JNCIA
• AWS Solutions Architect
• ITILV4
• CISM
• CCNA Routing & Switching
Additional Information
Actively searching and available within 2 weeks of employment offer. Public Trust (Level 5) / IRS MBI Clearance and clearable for higher government security clearance.
Languages
- English, Fluent
- Yoruba, Fluent
Professional Membership
- Certified Information Security Manager (CISM) Maryland chapter, 06/20, Present
- ISACA, 1303378, Silver, 06/27/20
- ISC2
- ITIL
Timeline
Network Engineer
22nd Century Technologies (National Archives
01.2023 - Current
Network Engineer (Principal)
Department of Justice (DOJ-ATR ISSG)
11.2021 - 01.2023
Network Engineer
Internal Revenue Services (IRS)
12.2019 - 11.2021
Network and Systems Administrator
National Association of Social Workers (NASW)
12.2018 - 11.2020
Systems Administrator
Smithsonian Institute (National Zoo)
03.2017 - 12.2018
IT Support Specialist
George Washington University Hospital (GWUH)
03.2014 - 03.2017
Master's degree - Information Technology
University of The People