Jorge Lizama
Network Engineer
Los Angeles,United States
Summary
Network Engineer with extensive experience in deploying, troubleshooting, and administering complex network environments. Proven track record in managing multi-vendor solutions, enhancing network security.
Overview
4
4
years of professional experience
7
7
years of post-secondary education
1
1
Certification
Work History
Network Engineer II
O’Neil Digital Solutions Inc
Los Angeles, CA
12.2021 - Current
- Worked in fast-paced data center environment, ensuring reliable, secure, and fast data transfer for financial and healthcare companies.
- Deployed, troubleshot, and administered Cisco switches, stacks, and Wi-Fi networks, including Cisco Meraki, Cisco ACI, and Fortinet switches and firewalls across multiple data centers and offices in US and internationally.
- Configured and troubleshot routing issues for switches and routers using OSPF, BGP, HSRP, VRF, PBR, and STP, and designed routes across US-based and offshore locations, including AWS cloud environments.
- Deployed new ISP circuits, configured BGP and peering, and designed routing to transmit and advertise routes to internet, enhancing network reliability.
- Managed VPN and firewall operations, including troubleshooting Cisco ASA and tunnels, administering Cisco ISE, Check Point and deploying Palo Alto firewalls.
- Administered and deployed load balancers (F5 and A10), and collaborated on global load balancing solutions.
- Trained junior engineers, providing mentorship and guidance to enhance team capabilities.
- Negotiated with multiple vendors to optimize architecture design and processes, resulting in substantial cost savings.
Network Engineer I
O’Neil Digital Solutions\ Investors Business Daily
Los Angeles, CA
08.2020 - 12.2021
- Monitored, maintained, and troubleshot financial and healthcare networks for multinational company.
- Monitored, administered, and troubleshot data centers using Cisco ACI, including installing related equipment.
- Led team to develop and implement network monitoring, upgrades, equipment purchasing, and patches for servers of top healthcare companies in US.
- Designed, audited, and implemented network-related HITRUST controls to ensure HIPAA compliance and enhance network security.
- Deployed, administered, and troubleshot wide variety of networking equipment, including Cisco routers and switches, Cisco Meraki, Cisco ASA, Cisco ISE, AWS, Brocade SAN switches, Fortinet, Checkpoint, F5, A10, and VOIP System.
- Designed and administered monitoring systems such as Splunk Enterprise and SolarWinds Orion for proactive monitoring and troubleshooting.
Network Operations Center Engineer
O’Neil Digital Solution/ Investors Business Daily
Los Angeles, CA
05.2020 - 12.2020
- Administered databases, designed websites, and monitored data center environments, including virtual machines, servers (Windows and Linux), databases, workstations, and networks.
- Resolved complex issues related to servers, networks, computer hardware, and telecommunications, providing Level 1 to 3 technical support.
- Maintained VPN servers and user access, monitored and troubleshot mail server issues, and deployed and resolved VOIP and phone system issues (both physical and software phones).
Education
Associate of Science - Computer Security & Networking
Long Beach City College
Long Beach, CA 02.2017 - 01.2024
Certification
CCNA - Cisco Certified Network Associate
Timeline
Network Engineer II
O’Neil Digital Solutions Inc
12.2021 - Current
Network Engineer I
O’Neil Digital Solutions\ Investors Business Daily
08.2020 - 12.2021
Network Operations Center Engineer
O’Neil Digital Solution/ Investors Business Daily
05.2020 - 12.2020
Associate of Science - Computer Security & Networking
Long Beach City College
02.2017 - 01.2024
CCNA - Cisco Certified Network Associate
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