Chief Information Security Officer

2 weeks ago

Kolkata, West Bengal, India beBeeNetworkSecurity Full time ₹ 1,50,00,000 - ₹ 2,00,00,000
Job Title

We are seeking a highly capable Network Security Operations Manager to lead, manage, and enhance the organization's network security infrastructure and operations.

This role will be responsible for managing key security technologies such as firewalls, proxies, VPNs, NAC, DNS security, WAF, and EDR & Data Security, ensuring operational governance and compliance.

  • Network Security Governance:
  • Lead day-to-day operations of all network security tools and platforms, including:
  • Firewalls (NGFW Palo Alto, Fortinet, Cisco) - Policy governance, segmentation, and high-availability
  • Web Proxy & Cloud Proxy (e.g., Zscaler, Netskope) - URL filtering, threat prevention, and data leak protection
  • VPN (IPSec, SSL VPN, Remote Access Solutions) - Strong encryption and access control for workforce and partner
  • Network Access Control (NAC) - Role-based access, posture checks, and OT/IoT security
  • DNS Security & Filtering - DNS-layer protection, malicious domain filtering, and response management
  • Web Application Firewall (WAF) On-prem & Cloud-based - Protection of patient data, portals, financial apps, and APIs
  • Ensure continuous monitoring, tuning, and updating of policies and signatures across platforms.
  • Manage security device configurations, rule optimization, and lifecycle management.
  • Security Compliance Management:
  • Ensure adherence to security compliance requirements such as ISO 27001, NIST, GDPR, and internal IT security policies.
  • Prepare and present periodic audit reports, incident reports, and configuration review summaries.
  • Drive risk assessments and remediation plans for security operations. Maintain security documentation, SOPs, and audit trails
  • Team Leadership & Vendor Engagement:
  • Lead and mentor a team of network security engineers and analysts.
  • Oversee vendor engagements, support contracts, SLAs, and AMC renewals for security technologies.
  • Engage with audit, QA, compliance, and legal teams for incident reporting and regulatory inspections
  • Incident Response & Troubleshooting:
  • Collaborate with SOC for effective investigation and response to network security incidents.
  • Coordinate the response to security incidents, including detection, analysis, containment, eradication, and recovery.
  • Lead root cause analysis and containment for network-based threats (e.g., suspicious VPN activity, firewall rule violations).
  • Security Optimization Projects:
  • Drive security hardening and optimization projects related to network security tools.
  • Lead or support security hardening, firewall rule optimization, and proxy architecture redesign projects
  • Maintain security documentation, playbooks, and standard operating procedures.

Requirements:

10-12 years of experience in network operations, with 3-5 years in leadership or managerial role

Certifications: CISSP, CISM, CCNP Security, CP, Palo Alto PCNSE, Fortinet NSE, ISO 27001 LA

Skills:

Firewalls: Checkpoint, Fortinet, Palo Alto, Cisco Firepower

Proxies: Netskope, Forcepoint, Zscaler

VPN: Cloudflare, Cisco AnyConnect, FortiClient, GlobalProtect

NAC: Forescout, Cisco ISE, Aruba ClearPass

DNS Security: Cisco Umbrella, Infoblox, Cloudflare DNS

WAF: AWS/Azure WAF, F5, Imperva, Akamai, Cloudflare

EDR & DS: Crowdstrike, Falcon, Trellix, MS Defender, Sentinel, etc

],

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