Network Engineer

VENKATA MALINENI

+1-309-***-**** ️ ******************@*****.***

EDUCATION

Illinois State University Normal, Illinois Aug 2022 – May 2024 Master of Science, Computer Science

Presidency University Bangalore, India Aug 2018 – Jun 2022 Bachelor of Technology, Computer Science, and Engineering TECHNICAL SKILLS

Networking & Protocols:

Routing: BGP, OSPF, EIGRP, ISIS (Route optimization, redistribution, and troubleshooting)

Switching: VLAN, STP, VxLAN (EVPN), EtherChannel, HSRP, VRRP

Tunneling & Transport: MPLS, GRE, IP-in-IP, QoS

Security: Cisco ISE (AAA), ACLs, NAT, VPNs (IPSec, SSL), TLS, Firewall Rules

Load Balancing: ECMP, Route Maps, Traffic Engineering

Other: TCP/IP, UDP, LAN/WAN, IPv4/IPv6, NAT, SNMP, DHCP, DNS, VTP, STP, 802.1Q, VPN, SSL, TLS, NAT, HTTP, SSH, RTP, SSIP, DNS.

Automation & Scripting:

Python (Network automation, log analysis, monitoring)

Bash, SQL (Infrastructure scripting, database queries)

NetBrain Qapps/Intents (Automated network visualization & troubleshooting) Network Monitoring & Performance:

Zabbix (SNMP Monitoring, alerting via Slack/ZenDuty)

Splunk (Log analysis, troubleshooting)

Wireshark (Packet capture, latency & security analysis) Cloud & Infrastructure:

Azure Networking (Virtual Networks, Load Balancing)

Cisco, Arista, Juniper (Multi-vendor experience)

Git (Version Control), Linux (Ubuntu, CentOS)

PROFESSIONAL EXPERIENCE

Russell Investments Network Engineer Dec 2023- Present

Automated network monitoring & alerting by developing Python scripts and NetBrain Qapps, reducing manual troubleshooting efforts by 30%.

Designed and deployed VxLAN-based data center infrastructure, migrating from traditional switching to EVPN architectures.

Optimized BGP route selection using route maps, AS path prepending, MED, improving global routing efficiency.

Implemented Zabbix SNMP-based monitoring, integrating it with Slack and ZenDuty for real-time alerts. Manage Splunk Cloud deployment and indexing.

Managed Cisco ISE (AAA) for authentication, authorization, and policy enforcement across global data centers, including onboarding new remote switches and validating AAA policies with Active Directory group integration

Upgraded legacy Cisco infrastructure (Catalyst 35xx, 45xx) to Catalyst 9K, improving Layer 2/3 efficiency.

Configured MPLS, GRE, and IP-in-IP tunnels for secure data center interconnectivity and redundancy.

Troubleshoot BGP, OSPF, EIGRP, and MPLS issues in a multi-vendor environment (Cisco, Arista, Juniper).

Extensive LAN, WAN, and WLAN experience, building high-level designs and low-level designs like configurations.

Ability to configure VLANs and VxLANs on Cisco and Arista platforms.

Assisted in SD-WAN deployments by configuring overlay tunnels, policy-based routing, and traffic optimization

Configured policy maps, class maps, and access lists on Cisco Nexus, ASR 9010, and CRS routers.

Configure Layer 2 and Layer 3 interfaces, port channels on switches and routers

Configuring VRFs, OSPF, RIP, EIGRP protocols and IP Subnetting, Routers, and Switches.

Configure BGP route maps, route redistributions, and route leaks from one VRF to another if necessary.

Performed configuring/troubleshooting issues relating to routers and switches.

Performed replacement of switching modules, PSUs, and supervisor modules of Cisco Nexus switches.

Worked on route redistribution mechanisms between BGP, EIGRP, OSPF, and static routes for large- scale networks.

Worked on Route-Reflectors and troubleshooted BGP issues related to customer route prefixes, BGP route filtering policy problems, ORF, etc. Routing Protocols, Networking Layer 1, 2, 3 concepts, LAN/WAN technologies, TCP/IP concepts.

Handled product life cycle management like code upgrades on Cisco Nexus, ASR, and NCS platforms, as well as Arista and Juniper platforms during maintenance windows and replacing old hardware with new.

Work with Cisco, Arista, Juniper, and Aruba TAC engineers for out-band issues and bugs.

Designed, configured, deployed, and troubleshooted VXLAN environment using Cisco 9K Nexus switches.

Troubleshooted network-related issues on Cisco, Arista, and Juniper routing/switching solutions.

Work on Zabbix deployment for network monitoring using SNMPv2 and SNMPV3. Create device profiles using SNMP OIDs.

Manage SSO configurations for various applications. Global Logic Technologies Network Engineer Jan 2021- Jul 2022

Provided first-level response for network outages, routing loops, high CPU utilization, and congestion issues, reducing downtime by 25%.

Developed Python scripts to automate SNMP polling and log parsing, improving network monitoring efficiency.

Assisted in configuring Cisco ASA firewalls for VPNs, ACLs, and NAT rules to secure enterprise traffic.

Used Wireshark and Splunk for packet analysis, identifying performance bottlenecks and security threats.

Supported multi-vendor network environments (Cisco, Arista, Juniper), troubleshooting BGP, OSPF, and MPLS issues.

Configured and troubleshoot BGP, OSPF, MPLS, and VRFs in large-scale networks.

Worked on route redistribution between BGP, OSPF, and static routes for optimized network traffic flow.

Managed Zabbix deployment for proactive monitoring and real-time alerting.

Assisted in the daily monitoring and troubleshooting of network devices, including switches and routers.

Troubleshooted Layer 2 and Layer 3 network issues, identifying root causes and implementing fixes.

Monitored network traffic and device health using Zabbix and Splunk, responding to alerts proactively

Created and updated network documentation, IP address allocations, and topology maps.

Worked on configuring Cisco switches and routers, ensuring compliance with security policies.

Helped manage DHCP and DNS configurations for efficient network addressing.

Collaborated with security teams to implement firewall rules and traffic filtering policies.

Provided technical support to end-users experiencing network connectivity issues.

Participated in change management processes, ensuring smooth network updates and rollouts. KEY PROJECTS & ACHIEVEMENTS

Network Automation & Monitoring Optimization

Developed Python-based automation scripts to parse logs and detect anomalies, reducing manual troubleshooting by 30%.

Deployed Zabbix with SNMPv3 for real-time device monitoring, integrated with Slack alerts. BGP & Routing Optimization

Configured BGP route maps, redistribution policies, and VRFs for scalable and efficient multi-path traffic engineering.

Tuned BGP attributes (AS Path, MED, Local Preference) to optimize global routing performance. Data Center Migration to VxLAN

Led the migration of traditional Layer 2 switching to VxLAN-EVPN, improving network scalability and segmentation.

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