JISHNU J S

Experience

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  Netwing Technologies

  Jan 2020 - Feb 2023

  Network Engineer

  Duties includes Network Maintenance and troubleshooting, Network design and implementation, Documentation and reporting, Firewall configuring(Cisco), Network traffic Analysis(Wireshark, Solarwind, Ncentral), Network support and Handson experience with network security technologies such as Firewalls, IDS and VPN's.

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  AfterDark Technology

  Mar 2023 - now

  Cyber Security Analyst

  Conducted in-depth analysis and discussions with team members to assess cybersecurity requirements and devise tailored solutions.Leveraged Autotask, N-Central, Microsoft Azure, and Microsoft Sentinel to implement and optimize security solutions, ensuring comprehensive protection of organizational assets.Configured and managed FortiGate and Palo-Alto firewalls, leveraging Connect Secure, to enforce stringent network security policies and thwart unauthorized access attempts and cyber threats.Employed Python and PowerShell scripting for automation and orchestration of security tasks, enhancing operational efficiency and reducing response times.Developed and executed KQLQuery scripts within Microsoft Sentinel to query and analyze security data, enabling proactive threat detection and response.Utilized SentinelOne and Cortex for endpoint protection, threat hunting, and incident response, guaranteeing continuous monitoring and defense against evolving cyber threats.Administered server infrastructure and implemented server hardening measures to mitigate vulnerabilities and secure critical assets effectively.Implemented and maintained FortiAnalyzer and FortiManager for centralized logging, analysis, and management of security events and policies.Collaborated closely with vendors and internal stakeholders to deploy and optimize TrendMicro solutions for antivirus and endpoint security.Stayed abreast of industry trends and emerging technologies to continuously enhance the organization's cybersecurity posture and adapt defenses against evolving threats. Show less