Rohan J. Email & Phone Number

Hartford County, Connecticut, United States

• Designed, installed, and configured LAN/WAN infrastructure using Cisco Catalyst switches (6500, 4000, 3750) and ASR routers (9001, 9000, 1006) • Implemented Greenfield Data Center interconnect topology and migrated on-premise data centers to AWS • Configured and troubleshot OSPF and BGP protocols on Juniper routers (MX960, MX480) • Managed virtualization services migration (ESX, LDOM, CDOM & Private Cloud) • Monitored network devices using Cisco Prime and troubleshot layer 2/3 issues • Utilized tools like Orion Solar Winds, Wireshark for network monitoring and packet analysis • Worked with multi-vendor platforms: Cisco, Checkpoint, Fortinet, F5, Bluecoat, MacAfee Web Gateway • Configured Aruba Access Points for Wireless Networks • Implemented Juniper NetScreen Firewalls with Site-Site VPN for client companies • Deployed Cisco Application Centric Infrastructure (ACI) for data center optimization • Managed SAN environment with HP 2000 MSA, 3PAR Store Server 7400, and Brocade fiber switches • Provisioned layer 2/3 VPN IP services over IP/MPLS Network • Designed and administered VMware ESX/ESXi environments • Configured Virtual Servers and Load balancing using F5 NETWORKS BIG IP LTM • Implemented L2VPN services and VPN-IPSEC authentication & encryption systems

Lees Summit, Missouri, United States

• Designed and implemented scalable enterprise IP networking infrastructure to meet client specifications and business objectives • Configured routers, switches, firewalls, and other hardware to deploy and manage LAN, WAN, and wireless networks • Implemented and maintained Cisco ASA firewalls, providing comprehensive security, antivirus protection, and virtual network capabilities • Secured network systems by establishing and enforcing access control policies, employing firewalls and VPNs • Improved network performance by 15% through regular assessments, identifying and resolving bottlenecks, and implementing best practices • Ensured high availability and reliability of network infrastructure, maintaining production networks according to company SLAs • Provided high-level connectivity support for corporate and business partner systems • Implemented, tested, validated, and maintained networking services according to solution designs • Conducted scheduled maintenance during non-peak hours to ensure uninterrupted service • Configured LAN technology, wireless access points, and controllers to provide smooth communications • Rapidly troubleshot and corrected network faults to restore connectivity for individual users and entire facilities • Reduced downtime through proactive monitoring of network devices and swift issue resolution • Assisted clients and employees with proper use of network equipment, enhancing user experience • Replaced faulty or damaged network hardware components to improve overall performance

Chennai, Tamil Nadu, India

• Installed, configured, and maintained corporate networks, ensuring high availability, integrity, and confidentiality of applications and equipment • Implemented and managed Cisco routers and switches, including Nexus series (7010, 9396, 5548, 5020, 2148, 2248) • Deployed and configured Zscaler cloud security solutions, integrating with existing network architecture • Implemented and managed Cisco Identity Services Engine (ISE) for identity-based security and network access control • Configured and managed FortiGate firewalls (100E, 600E, 60E) and Cisco ASA firewalls across global networks • Worked with routing protocols including EIGRP, BGP, and OSPF, implementing EBGP peering between branch offices • Designed and implemented LAN, WLAN, and WAN solutions to meet client needs • Configured and deployed Riverbed Steelhead for WAN optimization at remote locations • Utilized network management tools such as SolarWinds, Zenoss, and Infoblox for monitoring and maintenance • Implemented AWS services including Route 53, NAT, VPC, and subnets for web application deployment • Created network diagrams using MS Visio and documented work using Visio, Excel, and MS Word • Configured HSRP, VLAN trunking (802.1Q), and Inter-VLAN routing on Catalyst switches • Performed packet filtering and analysis using Wireshark in corporate networks • Managed Cisco-Meraki systems for remote branch office networks and security cameras • Worked with Arista Cloud Vision (CVP) and Cloud Vision Exchange (CVX) deployed on VMs

Master'S Degree, Cybersecurity, 3.2/4.0

Activities and Societies: Volleyball, Sports

Bachelor'S Degree, Computer Science, 7.2/10

Activities and Societies: Volleyball, Cricket, Dance