Chief Network Defense Specialist

22 hours ago

Bharatpur, Rajasthan, India beBeeNetworkSecurity Full time ₹ 2,00,00,000 - ₹ 2,50,00,000
**Job Title:** Network Security Operations ManagerJob Summary:We are seeking a highly skilled and experienced Network Security Operations Manager to lead our 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, EDR & Data Security, and ensuring operational governance and compliance.The ideal candidate should have hands-on experience managing large-scale network security operations and coordinating with cross-functional and incident response teams.Responsibilities:
  • 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.
Compliance, Audit & Governance:
  • Ensure adherence to security compliance requirements such as ISO 27001, NIST, GDPR, and internal IT security policies.
  • Ensure full compliance with sector-specific regulations (Pharma: GxP, 21 CFR Part 11, HIPAA)
  • 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 & Vendor Management:
  • 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
  • Coordinate with for integrated security coverage (EDR/DS, if escalation/overlap arises).
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).
  • Manage escalations and coordinate with external vendors or OEMs for critical issues.
Projects & Improvements:
  • Drive security hardening and optimization projects related to network security tools.
  • Lead or support security hardening, firewall rule optimization, and proxy architecture redesign projects
  • Lead or contribute to technology upgrades, migration projects, mergers, acquisitions, data center shifts.
  • Maintain security documentation, playbooks, and standard operating procedures.
  • Prepare and validate BOM, BOQ, and risk registers for new deployments

Educational Qualification: Bachelor’s or Master’s in Computer Science, Information Security, or related field

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

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

Skill (Functional & Behavioral): 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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