Sumith Kumar Email & Phone Number

Denver, Colorado, United States

• Detecting and addressing safety events by attentively examining FortiAnalyzer information, conducting in-depth inquiries, and keeping track on incident sections.• Setting up and installing the 4200F, 3500F, 6500F, and 6300F FortiGate firewall solutions centrally using the Fortinet FortiManager.• Developed protected connections, firewall rules, and intrusion prevention systems (IPS) to enhance the safety of internet browsing while working on FortiGate 7000 series devices.• Used Fortinet FortiAnalyzer to evaluate vast volumes of data, and utilizing risk assessment to enhance security protocols.• Deployed and configured Palo Alto Virtual Firewalls (VM-Series) in cloud environments, including AWS and Azure, ensuring secure and compliant network architecture.• Increased the number of Cisco routers, IPsec VPN architecture, and security safeguards to allow the exchange of private information across offices.• Adding to the skills and knowledge acquired from utilizing the Cisco routes ASR 1001, 1002, and 1006 series to finish centre, actions, and fundamental tasks.• Developed to find vulnerabilities in Cisco routers, respond appropriately, and provide effective oversight and investigation.• Installing Cisco Nexus switches (models 7010, 9800, 9500, and 9400) will provide a flexible and efficient network architecture.• Configured and maintain secure connectivity environments by using Cisco Nexus switches in combination with stringent security policies and application isolation.• Worked on Palo Alto Networks safety and followed the standards that clients receive comprehensive, up-to-date risk information, it is important to apply changes to the firewall rules.

Louisville, Kentucky, United States

• Installed Aruba Secure office cabling to enable users and products with online access to seamlessly link to the system, enabling private wireless connection to distant workplaces.• Monitored and troubleshoot wireless networks using the Aruba AirWave manager, which improved system reliability by 25% and reduced support requests by 20%.• Managed cloud-based firewall policies and security rules for Palo Alto firewalls, enabling optimized traffic flow, minimized risk of unauthorized access, and enhanced data protection.• Created Ansible scripts that run integrated security assessments to make sure the device's settings adhere to internal and external safety regulations.• Utilizing Plotly and Flask in Python, a description of present safety data was made for CEOs and staff.• Understanding and thwarting new dangers has been easier because to the use of Python to streamline the gathering and evaluating security alert streams from services such as spyware total and Alien Memory OTX.• Integrated Ansible to manage user credentials on portable devices, guaranteeing frequent enforcement of entry rules and lowering the probability of unwanted access.• Working on Cisco Nexus 7010, 7018, 5548 and 5600 switches, VXLAN was set up and updated to offer an adjustable and scalable networking partition.• Increased system architecture Cisco Nexus switches were configured with sophisticated security features involving encrypted ports, ACLs, and DHCP monitoring.•

Austin, Texas, United States

• Configure Infoblox Unified DNS Safety for 99.99% DNS dependability against DNS-based activities such as DDoS, movement, and filtering.• Provide improved online safety and the prevention of outside breaches, Cisco ASA 5585, 5540, and 5555 were created, implemented, and constantly watched.• Deploy Blue Coat ProxySG machines in continuous proxy mode, monitor and analyze internet activity, use URL scanning filters, and exercise caution while visiting unlawful and dangerous websites.• Setting up the application & URL for authorization at Checkpoints R80.30, R80.40, and R81 using the Bluecoat proxies to maintain track on client internet activity.• Using knowledge of NetScaler and component knowledge, links were created between management and business procedures.• Collaborated with cross-functional teams to implement secure and scalable network architectures, aligning firewall settings with cloud provider security best practices.• Created and upgraded techniques were used in the F5 BIG-IP 2000, 4000, and 5000 rSeries to enhance app efficiency, minimize delay, and increase capability.• Assistance with knowledge of the basic features, broadcast connection access, and setup and maintenance processes of the 1900, 2900, and 3900 Cisco routers.• Maintain the Palo Alto PA-3430, PA-820, PA-1410, and VRRP installations while offering the highest level of dependability and efficiency.• Provide constant help for the plan; employees must learn how to use tools and applications like Cisco, Wireshark, and HP-Open View to construct linkages and monitor them.• Implementing Tetation's plan signals and sketches, keeping tabs on changes, and assessing the creation of safe surroundings may all contribute to increased production.• Configure capabilities and Terraform scripts to handle intricate network installations, including those involving multiple devices and domains.

India

• Worked on SPLUNK SIEM tool for monitoring and analysing the firewall logs to identify IDS/IPS signature attacks and malicious activities on the network.• Created basic operators that helped with the development of a security system and enabled the usage and tracking of the routing protocols BGP, OSPF, RIP, and EIGRP.• Using frequent assaults and safety assessments, we can better understand DNS-related vulnerabilities then apply updates and modifications to mitigate risks.• Employed TCP/IP networks with a variety of add-on connectors and techniques, including VoIP, MPLS, and VPN, to meet a variety of business requirements.• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.