MY background

I am Jaswanthsai Dasari, a Network Security Engineer from India. I have been working at Sophos since April 2022. My expertise lies in securing Computer Networks, implementing robust security measures, and protecting against Cyber Threats. I have a strong background in firewall configuration, Intrusion Prevention and Detection Systems, vulnerability assessment, and penetration testing. I stay updated with the latest security trends and technologies to ensure the highest level of network protection.

About Me

Educational Background

B.Tech. in Electronics & Communication Engineering

Swarnandhra College of Engineering & Technology

(2017-2021) CGPA: 7.2

Internship

Organization: INDIANSERVERS

Description: Gained experience in Web Application Security and hardening (Systems, Routers Switches)

Duration: 3 months Year: 2020 August-October

Organization: Networkers Home

Trained on: CCNA, CCNP (Switching, Routing), CCIE Security Concepts.

Duration: 8-Months

Year: 2021 September - 2022 April

Experience

Company: Sophos Technologies Pvt Ltd

Role: Network Security Engineer

Joining Date: 2022 April

Skillet: Firewall, Wireless, Switching,

Worked and have a knowledge of how the firewall and the security features work on the firewall. and have hands-on experience with the below Technologies and can able to diagnose the root cause and I can Troubleshoot the issues

Security Features: IPS, IDS, ATP, SSL & TLS, DOS & SPOOF, DDOS.

VPN Technologies: IP-SEC(Site to Site & Remote), SSL (Site to Site & Remote)

WEB & APP: WAF, Filtering, WEB Proxy, SSL TLS Inspection and Troubleshooting

Wireless: Working on Wireless Technologies, Configuring and Troubleshooting

Technical Skills

IP SERVICES: OSI Model, TCP/IP Protocol (IP, ARP, ICMP, TCP, UDP), DHCP, DNS, NAT, ACL.

ROUTING PROTOCOLS: Static (Default and Floating), Dynamic (RIP, EIGRP, OSPF).

SWITCHING TECHNOLOGIES: VLAN, DTP, VTP, STP(CST, PVST, RSTP), Ether Channel(PAGP, LACP), HSRP, CDP, LLDP.

FIREWALLS:

ASA: Packet flow on ASA, Basic configuration on ASA and ASAv, NAT, Access Lists, Security level concept, Security Context, HA(Active-Standby, Active, Failover), Clustering, IOS-based firewall

PALOALTO: Packet Flow, NAT, HA, Access policies, APP Filtering, L7 Filtering, Content Filtering, Clustering, Contexting.

FTD CISCO: NAT, Access Lists, Security level concept, Security Context, HA(Active, Active-Active, Failover), Clustering, IOS zone-based firewall

SOPHOS: X-stream TLS Inspection, Deep Packet Inspection, Security Heartbeat, Advanced Web Protection, Advanced Threat Protection, X-stream SD-WAN, Synchronized Security, and Cloud Sandbox, and NAT, VPN, Routing, HA.

VPN: Basics of Cryptography, NAT-T, IP-SEC Profiles IP-SEC, SSL (Site-to-Site), IP-SEC, SSL (Remote), GRE, SD-WAN Orchestration

TOOLS: Wireshark, Network Scanner, TCPDUMP, Conntrack, Network Vulnerability Scanning Tools, Network Monitoring Tools.

As a Network Security Engineer at Sophos since 2022, I began my career following graduation in 2021 and expanded my expertise with CCIE training, enhancing my ability to protect and secure computer networks.

Work Approach

In the world of network security, wisdom lies in constant vigilance and a proactive mindset. To protect, we must understand, and to secure, we must always be aware.