Home

Venky - Network engineer

[email protected]

Location: Cary, North Carolina, USA

Relocation: Yes

Visa: H1b

Resume file: Venkatesh_Network Engineer_1747767083142.docx Please check the file(s) for viruses. Files are checked manually and then made available for download.

SUMMARY: Certified Network Engineer with 5 years of experience in in designing, deploying, and managing enterprise network infrastructure, security operations, and large-scale DNS management (Infoblox, BIND, Cloudflare DNS). Extensive experience in DNS administration, troubleshooting, and optimization, ensuring 99.9% uptime and 35% reduction in resolution latency for enterprise environments. Skilled in DNS (Infoblox), network automation, firewall security, VPN solutions, SD-WAN, and enterprise network monitoring. Expertise in TCP/IP protocols, packet analysis (Wireshark, Splunk), Grafana visualization, and network troubleshooting. Hands-on expertise in firewalls (Palo Alto, Cisco ASA, Fortinet), VPN (IPsec, SSL, DMVPN), IDS/IPS, Zero Trust security architecture, and role-based access control (RBAC) for secure remote access. Implemented Splunk log analysis, Grafana dashboards, and NetFlow monitoring, improving threat detection and reducing downtime by 30%. Strong proficiency in BGP, OSPF, EIGRP, MPLS, VLAN segmentation, STP, optimizing traffic routing and improving bandwidth utilization by 25%. Deployed and managed AWS Direct Connect, Transit Gateway, VPC Peering, Azure ExpressRoute, integrating on-prem and cloud networks seamlessly. Automated network deployments using Ansible, Terraform, Python (Netmiko, Napalm), reducing manual configurations by 50% and improving efficiency. Designed and optimized SD-WAN (Cisco Viptela, Meraki, Silver Peak) solutions, improving redundancy and scalability across multi-site enterprise networks. Ensured 100% compliance with security standards, maintaining ITIL-based change management processes for network modifications and security hardening. CCNA, AWS Certified Developer Associate, CEH (Cisco), Infoblox Core DDI (In Progress), WIA 5G Wireless Readiness, demonstrating commitment to professional development. TECHNICAL SKILLS: Enterprise Networking and Protocols Cisco Routing & Switching, LAN/WAN, SD-WAN (Cisco Viptela, Meraki, Silver Peak), MPLS, VPN (IPsec, SSL, DMVPN), VLANs, STP, BGP, OSPF, EIGRP, QoS, IPv4/IPv6. Network Security and Access Control Firewalls (Cisco ASA, Palo Alto Networks, Fortinet, Check Point, Juniper SRX,), IDS/IPS (Snort, Suricata), ACLs, VPN Security, Zero Trust Architecture, RADIUS, TACACS+ Network Monitoring and Troubleshooting Packet Analysis (Wireshark, TCPDump), Performance Monitoring (SolarWinds, NetFlow, PRTG, Nagios, LogicMonitor, ThousandEyes), Network Analytics (Cisco DNA Center, Splunk). Cloud & Virtual Networking AWS (VPC, Transit Gateway, Direct Connect, Route 53, Security Groups), Azure (NSG, VNet, ExpressRoute, Azure Firewall). Automation & Infrastructure as Code (IaC) Configuration Management (Ansible, Terraform, Cisco Prime Infrastructure), Scripting (Python Netmiko, Napalm, Paramiko), REST APIs, Bash, PowerShell, JSON, YAML. Wireless Networking & Mobility Wireless LAN (Cisco Meraki, Aruba Wireless, Ruckus, Ubiquiti), Wireless Security (WPA2, WPA3, 802.1X, RADIUS). Configuration Management Version Control (Git, GitLab), Network Documentation (NetBox, Visio, Lucidchart), Change Management (ServiceNow ITSM, ITIL Framework). EDUCATION: Master of Science in Computing and Information Systems from Youngstown State University, OH. CERTIFICATIONS: Cisco Certified Network Associate (CCNA) Certified Ethical Hacker (CEH) Cisco AWS Certified Developer Associate WIA 5G Wireless Readiness PROFESSIONAL EXPERIENCE: Catholic Health Initiatives - Houston, TX February 2025 - Till Date Role: Network Engineer Responsibilities: Developed automation scripts using Python and Ansible to streamline DNS record management and reduce manual efforts. Integrated Infoblox with Splunk, enabling real-time DNS query logging and security event monitoring. Optimized TCP/IP configurations across multiple network environments to reduce packet loss and improve latency. Implemented DNSSEC (Domain Name System Security Extensions) to enhance the integrity and security of DNS responses. Used Grafana to visualize network health metrics, tracking DNS query loads and system performance trends. Deployed high-availability (HA) DNS solutions, ensuring redundancy and failover capabilities for enterprise-critical applications. Provided technical support for DNS-related incidents, ensuring minimal downtime. Worked on mail server configurations, troubleshooting MX records, SPF, DKIM, and DMARC policies for email security. Worked on integrating DNS with cloud environments (AWS, Azure) for hybrid infrastructure. Performed deep-dive packet analysis using Wireshark to investigate network anomalies and performance bottlenecks. Collaborated with cybersecurity teams to detect and mitigate DNS tunneling and other DNS-based attacks. Assisted in capacity planning for DNS servers, ensuring scalability and redundancy. Youngstown State University (YSU) Ohio May 2023 - December 2024 Role: Network Engineer Responsibilities: Designed, deployed, and managed enterprise network infrastructure, ensuring high availability and 99.9% uptime. Administered and maintained DNS (Infoblox), ensuring high-performance and secure name resolution across enterprise networks. Analyzed network traffic and DNS logs using Splunk and Grafana, identifying anomalies and optimizing response times. Configured over 150 routers, switches, and firewalls, securing enterprise networks against cyber threats. Troubleshot and resolved 95% of network incidents within SLA, reducing downtime and improving network reliability. Implemented firewall security policies, ACLs, and VPN configurations, ensuring secure connectivity. Assisted in network migrations and upgrades, minimizing downtime during transitions. Automated network configuration tasks using Python and Ansible, reducing deployment time by 50%. Monitored network performance using SolarWinds, NetFlow, and Wireshark, optimizing bandwidth allocation by 25%. Created and maintained technical documentation, improving troubleshooting efficiency by 35%. Tata Consultancy Services - Bangalore December 2021 - January 2023 Role: Network Security Analyst Responsibilities: Designed and optimized LAN/WAN architectures, enhancing network performance and redundancy. Deployed and managed firewalls, IDS/IPS, and VPN solutions, strengthening network security posture by 40%. Configured and maintained BGP, OSPF, EIGRP, VLANs, and STP, optimizing traffic routing and segmentation. Conducted network capacity planning, ensuring efficient resource allocation and reducing bottlenecks by 30%. Integrated network monitoring tools (SolarWinds, PRTG, Wireshark), improving issue detection and resolution speed by 45%. Implemented wireless networking solutions using Cisco Meraki, Aruba, and Ruckus to enhance enterprise mobility. Provided Level 2/3 network support, troubleshooting complex issues and implementing long-term fixes. Managed network access control (NAC) solutions, enforcing authentication and authorization policies across the network. Supported cloud networking (AWS, Azure, GCP), integrating on-prem and cloud environments, increasing scalability. Assisted in network automation initiatives using Ansible, Python, and Terraform, reducing manual configurations by 50%. Created and maintained change management and compliance documentation, ensuring audit readiness. Collaborated with cybersecurity teams, enforcing security policies and mitigating threat risks by 35%. Visual IT Solutions - Hyderabad September 2020 - November 2021 Role: Network Administrator Responsibilities: Installed, configured, and maintained network devices, ensuring 99.9% uptime and secure operations. Managed user access, VLANs, and firewall rules, enforcing security policies across 100+ network segments. Conducted daily network health checks, proactively identifying and resolving potential issues. Assisted in patch management and firmware updates, maintaining 100% compliance with security standards. Provided technical support for network-related incidents, resolving 90% of issues without escalation. Documented network configurations, topologies, and troubleshooting steps for future reference. Configured and managed DHCP, DNS, and IPAM, ensuring seamless connectivity. Monitored bandwidth utilization and network performance, optimizing traffic flow and reducing congestion by 25%. Implemented network security measures, preventing unauthorized access and reducing security incidents. Assisted in network expansion projects, ensuring proper planning and smooth implementation. Keywords: information technology fiveg Ohio South Dakota Texas