Muna Celina D Cruze
Fedex-Junior Network Security Engineer
- Role
- Junior Network Security Engineer at FedEx
- Location
- Frederick, MD, US
- LinkedIn followers
- 500 followers
About Muna Celina D Cruze
CCNA certified with over 8 years of professional experience in Network Planning…
Experience
Junior Network Security Engineer
Jul 2024 — Present · US
Configured and troubleshot routing protocols (OSPF, EIGRP, static routes), VLANs, trunking, ACLs, inter-VLAN routing, NAT, and STP to maintain secure and reliable LAN/WAN connectivity. Performed end-to-end troubleshooting using Cisco CLI, ping, traceroute, and cabling checks to resolve network issues. Supported day-to-day administration based on CCNA-level concepts and assisted with network topology design, upgrades, and migrations alongside senior engineers-Created and managed DNS records, DHCP reservations, and IP address assignments with Infoblox. Utilized ServiceNow to log, track, and manage incidents, service requests, and changes in alignment with SLAs, while documenting troubleshooting steps and resolutions to build the knowledge base-Collected and analyzed logs in Splunk to investigate connectivity and security issues, and reviewed firewall logs to identify suspicious activity. Configured and supported Cisco ASA firewalls, including ACL creation, packet-tracer analysis, and packet capture for traffic validation. Assisted in deploying firewall rules, security updates, and coordinated network changes with senior engineers to strengthen infrastructure security-Administered Nagios XI for proactive monitoring of servers and services, creating alerts, notifications, and host/service templates to ensure operational readiness. Conducted vulnerability scans using Tenable Nessus, exported detailed reports, and collaborated with server teams to remediate findings-Supported endpoint security with Cylance Protect for malware prevention and monitored Apple devices across the enterprise using JamF Pro. Performed routine health checks on network devices, documented network diagrams and configurations for auditing and knowledge sharing, and provided end-user connectivity support.
Education
University of Information Technology & Sciences (UITS)
Bachelor's degree
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