Senior Network Security Engineer – Vectra and Gigamon

1 day ago

Hyderabad Telangana India, Telangana Tata Consultancy Services Full time

Senior Network Security Engineer – Vectra and Gigamon


Preference: Immediate Joiners

Experience: 6+ years

Skills: Vectra NDR and Gigamon SSL interceptor

Location: Hyderabad, Bangalore, Chennai


Required Qualification:


  • Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field.
  • 6+ years of experience in managing and administering Vectra NDR and Gigamon SSL interceptor tools
  • Architecture Design ,Tool Implementation & Configuration, Administration and Troubleshooting, Monitoring and reporting, Technology Refresh and Upgrades
  • Demonstratable expertise in managing and administering Vectra AI’s Cognito platform (NDR), including the management of sensors, correlators and the associated analytics engine
  • Extensive experience with Gigamon’s Traffic Visibility Fabric and specifically, the SSL/TLS decryption capabilities of the Gigamon SSL interceptor
  • Strong understanding of TCP/IP networking protocols, network architecture, and security principles
  • Proficiently with packet analysis tools such as Wireshark and TCPDump
  • Experience with a variety of security technologies, including IDS/IPS, firewalls, proxies, and SIEM platforms
  • Excellent problem-solving skills and the ability to work independently or as part of team.
  • Strong communication and interpersonal skills, with the ability to explain complex technical concepts to non-technical audiences.


ROLES & RESPOSIBILITIES:


Vectra NDR Administration

  • Serve as the subject matter expert for the Vectra NDR platform
  • Administer, configure and maintain Vectra appliance and sensors
  • Monitor, triage and investigate security alerts generated by Vectra, leveraging network metadata and AI-driven insights to identify sophisticated threats, malware and attacker behaviors.
  • Perform threat hunting activities using Vectra’s capabilities to proactively search for indicators for compromise (IOCs) and advanced persistent threats (APTs)
  • Integrate Vectra with other security tools, i.e. SIEM, SOAR, EDR to enable a comprehensive security ecosystem.

Gigamon SSL Interceptor Administration

  • Administer and manage the Gigamon traffic visibility fabric, including GigaVUE nodes and modules
  • Configure and maintain SSL/TLS decryption policies and forwarding rules using the Gigamon SSL interceptor to provide visibility into encrypted traffic for security tools
  • Ensure proper traffic distribution to various security and monitoring tools, i.e. IDS/IPS, and analytics platforms while maintaining network performance and availability.
  • Troubleshoot traffic flow and connectivity issues within the Gigamon environment.

BAU Operations

  • Proactively monitor network traffic for anomalies, security breaches and policy violations
  • Contribution to develop and implement network security policies and procedures
  • Participate in incident response activities, providing expert analysis of network traffic and threat actor movements
  • Perform regular health checks, maintain and upgrade for all network security appliances
  • Collaborate with other security teams, i.e. SOC, Incident response, engineering, etc… to improve overall security posture
  • Create and maintain detailed documentation for all the network security configurations, procedures and runbooks.
  • Generate regular reports on security incidents, threat trends and performance of security tools
  • Provide training and mentorship to junior staff on the use of security tools and best practices.

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