Network Security Specialist

4 days ago

tamil nadu, India Tata Consultancy Services Full time

Network Security F5 WAF (L2 & above)We are seeking an experienced Network Security Engineer to design, implement, and maintain the security of our enterprise network infrastructure. The ideal candidate will have a strong background in firewall management, intrusion detection/prevention systems, VPNs, and network security architecture. You will play a critical role in safeguarding the organization’s digital assets from internal and external threats. KEY RESPONSIBILITIES:🟡Design, implement, and manage secure network solutions to protect against unauthorized access, modifications, and destruction. 🟡Configure and maintain firewalls (e.g., Palo Alto, Fortinet, Cisco ASA), routers, and switches with a focus on security. 🟡Monitor network traffic for suspicious behavior and take appropriate action in response to security incidents. 🟡Manage and maintain IDS/IPS, SIEM systems, and endpoint protection solutions. 🟡Conduct regular security assessments, vulnerability scans, and penetration tests. 🟡Collaborate with IT and cybersecurity teams to enforce security policies and best practices. 🟡Implement and manage VPNs, proxy servers, and secure remote access tools. 🟡Keep up with the latest security threats and trends; recommend mitigation strategies. 🟡Maintain and update documentation of network security architecture, configurations, and policies. PRIMARY SKILLS:🔷5–10 years of experience in network security or a similar role. 🔷Hands-on experience with firewalls, IDS/IPS, VPN, NAC, and SIEM tools. 🔷Strong understanding of TCP/IP, routing protocols (BGP, OSPF), VLANs, and subnetting. 🔷Expertise in security protocols and encryption technologies (SSL/TLS, IPsec). 🔷Familiarity with cloud security (AWS, Azure, or GCP) is a plus. 🔷Relevant certifications such as CISSP, CISM, CCNP Security, CEH, or Palo Alto PCNSE preferred.PREFERRED QUALIFICATIONS:✔️Experience with Zero Trust Architecture. ✔️Knowledge of scripting languages (Python, PowerShell) for automation of security tasks.

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