Network Security

23 hours ago

Kolkata Navi Mumbai, India CMS It Services Full time ₹ 1,04,000 - ₹ 1,30,878 per year

Role Overview

The Network Security Engineer (L3) will be responsible for the design, implementation, and escalation-level support of complex security solutions. This role requires expertise in firewall technologies, VPN, IDS/IPS, endpoint security, and security incident response. The engineer will act as a subject matter expert (SME), providing guidance to L1 and L2 teams, ensuring compliance with security standards, and mitigating advanced threats to safeguard the organizations IT infrastructure.

Key Responsibilities

  • Manage, configure, and troubleshoot advanced network security solutions (firewalls, IPS/IDS, WAF, proxies, DLP, etc.).
  • Provide L3 support for escalated incidents and complex security issues.
  • Implement and maintain secure network architectures, VPNs, and segmentation strategies.
  • Conduct periodic audits, vulnerability assessments, and risk evaluations.
  • Monitor, analyze, and respond to security events from SIEM tools.
  • Work closely with SOC and Incident Response teams during security events and breaches.
  • Develop and maintain security policies, standards, and documentation.
  • Evaluate, recommend, and implement new security technologies.
  • Mentor and guide L1 and L2 engineers in security operations.
  • Collaborate with IT and business teams to ensure compliance with regulatory and security requirements (ISO 27001, PCI-DSS, GDPR, etc.).

Required Skills & Experience

  • 610 years of experience in network and security engineering roles.
  • Strong expertise in firewall platforms (Palo Alto, Check Point, Fortinet, Cisco ASA/Firepower).
  • Proficiency in VPN (IPSec/SSL), Proxy, NAC, and secure remote access technologies.
  • Hands-on experience with IDS/IPS, WAF, DDoS mitigation, and endpoint security tools.
  • Solid understanding of TCP/IP, routing, switching, and network protocols.
  • Experience with SIEM platforms (Splunk, QRadar, Azure Sentinel, etc.).
  • Knowledge of cloud security (AWS, Azure, GCP) preferred.
  • Familiarity with compliance and security frameworks (ISO, NIST, CIS).
  • Strong troubleshooting, analytical, and problem-solving skills.
  • Excellent communication skills and ability to work in a team and customer-facing environment.

Certifications (Preferred)

  • CCNP Security / CCIE Security
  • Palo Alto PCNSE
  • Fortinet NSE 6/7/8
  • Check Point CCSE
  • CISSP / CISM / CISA (added advantage)
  • Cloud Security certifications (Azure Security, AWS Security Specialty)

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