Meseret Worku

About Meseret Worku

Information Security Analyst with 3+ years of experience in implementation…

Experience

1. Information Security Analyst

   McKesson

   Oct 2021 — Present · MD

   Addressed complex software or hardware issues, ensuring efficient resolution. Acted as a key resource in troubleshooting and resolving advanced user inquiries.• Configured, troubleshot, and upgraded Palo Alto Firewalls. Developed sophisticated firewall rules, policies, and security profiles for enhanced network access control.• Actively monitored network traffic and analyzed logs using advanced techniques. Distinguished between potential intrusion attempts and false alarms with high accuracy.• Generated in-depth reports on system activities and vulnerabilities. Provided valuable insights into system behavior, security posture, and potential improvements.• Regularly updated Knowledgebase and monitored and ensured the signatures for all the devices such as Cisco IPS, Source fire, Firewall (logs and rules), Arbor, Trend-Micro, Symantec HIDS and Juniper SSL.• Configured VLANs, Routing, and NATing with firewalls. Managed complex IP routing using BGP, OSPF, and Static Routes. Maintained advanced switching protocols like STP, VTP, and VLANs.• Identified and resolved intricate network issues. Traced sources of problems across a variety of environments, including servers, network technologies, and user-related errors.• Utilized ServiceNow for effective tracking and management of network problems. Created, updated, and closed tickets with a focus on improving response times and efficiency.• Upgraded iOS on various Cisco routers and switches. Configured routing protocols and maintained Cisco enterprise firewalls using advanced CLI techniques.• Zone-Based Firewalling on Palo Alto Firewalls: Implemented and managed zone-based firewalling and complex security rules on Palo Alto firewalls, significantly enhancing network security.• Ensuring Seamless Connectivity: Ensured seamless connectivity and communication within and across departments, addressing high-level connectivity issues.