It Security Network Systems

Rohith Varma Palukuri

CA +1-716-***-**** **************@*****.*** LinkedIn

SUMMARY

Seasoned Network Specialist with a Proven Track Record boasting expertise over the past 4 years in architecting, implementing, and overseeing resilient network systems. Proficient across a diverse range of network devices, including routers, switches, firewalls, and load balancers, with a solid command of Cisco technologies and F5 Big-IP solutions. Adept at leveraging routing protocols such as OSPF, BGP, EIGRP, and RIP to enhance network efficiency through the strategic application of Quality of Service (QoS) methods. Comprehensive knowledge of virtual LANs (VLANs), port security, trunk configurations, and Cisco Catalyst switch-based security measures enables the implementation of robust LAN security protocols. Recognized for IT security acumen, excelling at performing thorough assessments, conducting vulnerability scans using tools like Burp Suite and Nmap, and configuring Intrusion Detection/Prevention Systems (IDS/IPS) to ensure robust network protection. Consistently demonstrated a keen ability to troubleshoot and resolve complex network-related issues, collaborate effectively with cross-functional teams, and spearhead strategic initiatives that drive organizational growth and success. SKILLS

Network Design & Implementation: LAN/WAN design, network segmentation, VLAN configuration, routing protocols (BGP, OSPF, EIGRP), Quality of Service, network virtualization (VXLAN, GRE) Cybersecurity & IT Security: Vulnerability assessments, firewalls

(stateful, next-generation), VPN technologies (IPSec, SSL/TLS), IDS/IPS implementation, ACLs, security audits, vulnerability scanning tools (Nmap, Burp Suite, Nessus), compliance with security standards (PCI DSS, HIPAA)

Network Troubleshooting: Methodologies, protocol analysis tools

(Wireshark, tcpdump), performance bottleneck resolution (latency, jitter, packet loss)

Network Automation & Scripting: Python, Bash, configuration management (Ansible, Puppet), API integration for network devices Cloud Networking: AWS, Azure, GCP, SD-WAN technologies Network Monitoring & Management: Monitoring tools

(Nagios, Zabbix, PRTG, SolarWinds), capacity planning, report generation (SNMP, NetFlow, Syslog), packet analysis Network Security: Firewalls (Cisco ASA, Palo Alto, Fortinet), VPN technologies (IPSec, SSL), Intrusion Detection/Prevention

(IDS/IPS), security compliance (PCI DSS, HIPAA),

Network Hardware: Cisco routers (ISR, ASR), Cisco switches

(Catalyst, Nexus), firewalls (Cisco ASA, Palo Alto, Fortinet) Routing and Switching Protocols: VLANs, Spanning Tree Protocol (STP), OSPF, BGP, EIGRP, MPLS

Virtualization Technologies: VMware, Hyper-V, network virtualization (VXLAN, NVGRE)

Software & Languages: MATLAB, Java, Linux, SQL (MySQL, SQL Server), JIRA, Remedy, MS Excel

CERTIFICATIONS

(CCNA) – Cisco Certified Network Associate

CompTIA Security+

EDUCATION

Masters in Computer Science and Engineering University at Buffalo, The State University of New York, Getzville, NY Bachelors in Computer Science and Engineering National Institute of Technology Tiruchirappalli, Tamil Nadu, India EXPERIENCE

HCL Tech, USA Network Engineer Jan 2024 - Present

• Designed and implemented scalable LAN/WAN architectures, incorporating network segmentation, VLAN configuration, and Quality of Service (QoS) policies to optimize network performance across multiple sites.

• Configured and managed BGP, OSPF, and EIGRP routing protocols to optimize data flow and ensure redundancy in complex networks.

• Implemented VXLAN and GRE for network virtualization, improving flexibility and segmentation in data center and cloud environments.

• Performed comprehensive vulnerability assessments and security audits, deploying stateful and next-generation firewalls (Cisco ASA, Palo Alto) and VPN solutions (IPSec, SSL/TLS) to secure network access.

• Spearheaded the migration to a hybrid cloud model, integrating on-premises network systems with AWS VPC, resulting in a 32% reduction in annual data center operating costs.

• Designed and deployed enterprise-grade security solutions, including Cisco ISE, Palo Alto firewalls, and Splunk-based SIEM, shielding the organization from numerous cyber threats and achieving compliance with industry regulations.

• Automated network device configurations with Python and Ansible, streamlining provisioning and reducing configuration errors.

• Monitored network health using tools like Nagios and SolarWinds, proactively managing capacity, generating SNMP and NetFlow reports, and resolving latency and packet loss issues. Hexaware Technologies, India Network Engineer Jan 2020 - Dec 2022

• Configured advanced routing and switching solutions, including MPLS, BGP, and STP, across Cisco Catalyst and Nexus switches to support high-availability network topologies.

• Conducted in-depth troubleshooting of network performance bottlenecks using protocol analysis tools (Wireshark, tcpdump), identifying and mitigating issues related to jitter, latency, and packet loss.

• Deployed and maintained firewall systems (Fortinet, Palo Alto), IDS/IPS, and ACLs, ensuring compliance with PCI DSS and HIPAA security standards to safeguard network integrity.

• Managed comprehensive security protocols, including Network Address Translation (NAT), Port Address Translation (PAT), Virtual Private Networks (VPN), route maps, and Access Control Lists (ACLs), ensuring secure and streamlined network.

• Spearheaded the implementation of SD-WAN technologies to enhance cloud connectivity on AWS, Azure, and GCP, optimizing cost and performance for cloud-hosted applications.

• Implemented network automation scripts with Bash and integrated device APIs to manage and streamline configurations across network hardware.

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