Reethika Gattu
Senior Network Security Engineer @Mizuho
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WORK HISTORY
Senior Network Security Engineer @Mizuho
US
EDUCATION
Vel Tech Rangarajan Dr. Sagunthala R & D Institute of Science & Technology, Chennai
Bachelor's Degree, Computer Science
University of Houston
Master of Science, Computer and Information Systems Security/Information Assurance
ABOUT REETHIKA GATTU
Proficient in TCP/IP, UDP, ICMP, with expertise in routing protocols like OSPF, BGP, EIGRP, IS-IS, and RIP. Skilled in switching protocols, including STP, VLANs, VTP, MPLS, trunking, and link aggregation. Hands-on experience with enterprise routers and switches (Cisco, Juniper, Arista). Experienced in firewall setup and management (Cisco ASA, Palo Alto Networks, Fortinet, Check Point). Knowledgeable in load balancing techniques and tools (F5, Citrix ADC) Skilled in Infrastructure as a Service (IaaS) operations, CI/CD methodologies, and IT infrastructure management. Experienced in creating dashboards for network performance and audit tracking, leveraging KPIs and data insights. Proficient in Python and Bash scripting for network automation, telemetry, monitoring, and alerting. Experienced in network access control (NAC) and managing VPNs (IPsec, SSL, remote access). Skilled in configuring IDS/IPS for monitoring network activity and managing services (RADIUS, TACACS+, LDAP). Knowledgeable in SDN (Cisco ACI, VMware NSX) and cloud networking (AWS, Azure, GCP), including VPCs, VPNs, and hybrid networks. Expertise in segmenting networks using VLANs and VXLANs for scalability and security. Experienced with network monitoring tools such as SolarWinds, Nagios, and Wireshark for real-time diagnostics. Proficient in SNMP and NetFlow/sFlow for network performance analysis and troubleshooting. Knowledgeable in IPv4/IPv6 addressing, subnetting, DHCP configuration, and DNS management.
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