Network Engineer Sd-Wan

Summary

Sai Prasad Chintha

Phone: +1-216-***-**** Email: ******************@*****.***

Results-driven network engineer with 3+ years of experience in designing, implementing, and optimizing enterprise network infrastructure.

Skilled in configuring and managing Cisco routers, switches, and firewalls, with expertise in LAN, WAN, SD-WAN, and VPN solutions.

Proficient in routing protocols such as BGP, OSPF, and EIGRP, along with network security technologies including ACLs, IPS/IDS, and VPNs.

Assisted senior network engineers in achieving project goals by contributing to network upgrades, performance optimization, and security enhancements, leading to a 30% improvement in overall network efficiency.

Supported network expansion projects by implementing new VLAN segmentation and QoS policies, improving data traffic flow and reducing congestion by 40%.

Strong background in troubleshooting network issues, performing security audits, and deploying firewall policies to enhance network performance and security.

Helped improve incident resolution time by 50% through effective root-cause analysis and automation of monitoring tools.

Played a key role in supporting senior engineers during network migrations, SD-WAN deployments, and firewall upgrades to enhance enterprise security and connectivity.

Experienced in network automation using Python and Ansible, reducing manual configurations and improving efficiency.

Adept at working in fast-paced environments, providing L2/L3 support, and collaborating with cross-functional teams to ensure 99.98% network uptime.

Committed to implementing best practices in cybersecurity and compliance while continuously improving network reliability.

Looking to leverage technical expertise, problem-solving skills, and teamwork to drive network efficiency, security, and scalability in dynamic enterprise environments.

Provided technical assistance in designing disaster recovery solutions, enhancing network resilience and minimizing downtime risks.

Contributed to optimizing cloud networking infrastructure on AWS and Azure, improving hybrid cloud performance and security.

Assisted in the evaluation and integration of new network technologies, ensuring seamless scalability and future-proofing infrastructure for growing business needs.

Technical Skills

Programming Languages: C, Embedded C, Python, Bash/Shell Scripting, PowerShell

Networking Protocols: TCP/IP, Ethernet, IPv4, IPv6, ICMP, ARP, NTP, CDP, LLDP, 802.1q Trunking, RIP, EIGRP, OSPF, BGP, STP, PVST, MST, RSTP, DNS, DHCP, HSRP, VRRP, GLBP, VTP, EtherChannel (PAgP, LACP), SIP, QoS, Multicast (PIM, IGMP, MLD)

Network Automation & Scripting: Python (Netmiko, Paramiko, Napalm), Ansible (Network Automation Playbooks), Terraform

(Infrastructure as Code - IaC), REST APIs for Network Automation, Cisco DevNet, YAML, JSON

Operating Systems: Windows 8, Windows 10, Windows 11, Windows Server (2016, 2019, 2022), Linux, Cisco IOS, Ubuntu, Red Hat Enterprise Linux (RHEL), VMware ESXi & vCenter

Authentication & Security: ACL, NAT, PAT, GRE Tunnel, IDS, IPS, 802.1x, RADIUS, TACACS+, IPSec VPN (Site-to-Site & Remote Access), SSL VPN (AnyConnect, GlobalProtect), Zero Trust Security (ZTNA), NGFW Configurations, Firewall Policies & Security Hardening, AAA (Authentication, Authorization, Accounting)

Networking Technologies: LAN, WAN, WLANs, VLAN, VPN, L2TP, PPTP, MPLS VPN (Layer 2 & Layer 3), SD-WAN (Cisco Viptela, Meraki SD-WAN, Fortinet SD-WAN), VoIP & SIP Trunking, Wireless IEEE 802.11 n/ac, Wi-Fi 6 (802.11ax), Data Center Networking

(VXLAN, EVPN, FabricPath), Load Balancing (F5 LTM, Citrix NetScaler, AWS ELB), Industrial Networking (DNP3, ICCP, Modbus, SCADA)

Network Devices: Cisco Catalyst 2960, Cisco SF300-24P, Cisco SG200-26P, Cisco ASA 5510 Firewall, Cisco WAP150, Cisco (2900, 3000, 4500, 6500, 6800), IP Phones (Yealink, Cisco 7941), Cisco ISR Routers (1000, 4000 Series), Cisco Nexus (3000, 5000, 7000, 9000 Series), Cisco Meraki MX/MR/MS, Palo Alto Firewalls (PA-220, PA-3220, PA-5250), Fortinet Firewalls (FortiGate 60F, 100E, 200F), Arista Switches, Juniper SRX & EX Series

Network Management & Monitoring: SNMP, Syslog, NetFlow, sFlow, SolarWinds, PRTG, ScienceLogic, NewRelic, Cisco Prime Infrastructure, Cisco DNA Center, Zabbix, ThousandEyes, Nagios, WiFi Heatmap & RF Spectrum Analysis

Network Automation & Scripting: Python (Netmiko, Paramiko, Napalm), Ansible (Network Automation Playbooks), Terraform

(Infrastructure as Code - IaC), REST APIs for Network Automation, Cisco DevNet, YAML, JSON

Networking Tools: Cisco Packet Tracer, Wireshark, Putty, Microsoft Visio, GNS3, EVE-NG, Nmap, IPerf, MikroTik WinBox, Tshark, Netcat.

Experience

Wawanesa Group Aug 2024 – Current

Network Engineer

Designed and implemented a secure enterprise-wide network infrastructure supporting 500+ users, ensuring a 99.98% uptime.

Led the migration of legacy Cisco 2960 switches to the Cisco 9200 series, improving network performance and reducing hardware failures by 50%.

Configured and optimized BGP, OSPF, and EIGRP protocols, enhancing dynamic routing efficiency across multiple branch offices.

Managed Palo Alto firewalls, deploying advanced security policies and IPS/IDS to mitigate cyber threats, reducing unauthorized access incidents by 70%.

Deployed and maintained an SD-WAN solution across 10+ locations, improving bandwidth utilization and reducing operational costs.

Integrated cloud security solutions, including Zscaler and Microsoft Defender, enhancing remote workforce security for 300+ employees.

Automated routine network monitoring tasks using Python and Ansible, reducing manual workload by 40%.

Led incident response efforts, resolving critical network outages within SLA, and minimizing business disruptions.

Provided expert-level support for high-priority network escalations, ensuring quick resolution and improved service reliability.

Collaborated with cybersecurity teams to implement zero-trust architecture, strengthening authentication mechanisms across all network access points.

YNR Infotech Jul 2020 – Mar 2023

Network Engineer

Assisted senior engineers in configuring and deploying 100+ Cisco switches and routers, ensuring seamless connectivity across multiple departments.

Supported troubleshooting and resolution of 150+ network-related incidents, reducing system downtime by 30%.

Conducted routine monitoring of network performance using Wireshark and SolarWinds, identifying and resolving latency issues.

Assisted in the configuration of VLANs, STP, and ACLs to enhance security and optimize network segmentation for 50+ subnetworks.

Maintained and updated network documentation, including topology diagrams and inventory records, improving troubleshooting efficiency.

Provided remote and onsite support for VPN configurations, resolving access issues for over 200+ remote employees.

Assisted in upgrading and patching Cisco ASA firewalls, ensuring compliance with the latest security policies.

Conducted research and recommended network improvements that contributed to a 20% increase in overall efficiency.

Helped senior network engineers achieve departmental goals by supporting various network expansion and migration projects.

Participated in knowledge-sharing sessions and hands-on training, enhancing the technical skills of junior team members. Education

Master’s in management information technology

Indiana Wesleyan University

Bachelor's in Electronics and communication Engineering JNTUH Hyderabad, India

Certification

CCNA (Cisco Certified Network Associate)

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