Network Security Engineer
- Tata Consultancy
- 6 - 11 years
- Delhi, NCR
- 30 days ago
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Job Description
Role : Network Security
Exp : 6+ years
Location : Delhi
- Lead L2/L3 incidents (e.g., application breakage from WAF/IPS signatures, complex NAT/policy collisions, certificate chain issues, DNS failures).
- Design and implement non-standard changes: app-based firewalling, user-ID integrations, URL filtering strategies, DLP integration on proxy.
- Tune policies/rules for performance and security (rule clean-up, logging strategy, SSL decryption policy tuning).
- Manage PKI/KMS lifecycle end-to-end: CSR generation, CA workflows, cert pinning impacts, renewals at scale; operations on HSMs (key backup/restore, partition roles).
- DDI engineering: DNS forwarders/conditional forwarding, split DNS for hybrid, DHCP failover, IPAM role-based controls.
- NAC: 802.1X/EAP, device profiling, posture policies, remediation flows; integrate with AD/IdP and MDM/UEM.
- Troubleshoot with packet capture (SPAN/PCAP), decryption where authorized.
- Develop and maintain runbooks, SOPs, and automation scripts (e.g., via APIs).
- Support audits, implement security baselines and compliance controls.
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: IT & Information SecurityRole Category: IT SecurityRole: Network Security EngineerEmployement Type: Full timeContact Details:
Company: Tata ConsultancyLocation(s): Delhi, NCR
Keyskills: High Availability Network Security Web Application Firewall Firewall Web Proxy Cisco Certified Network Professional Hsm Ddi DNS Palo Alto Firewall Cisco Ipt IPS DHCP PKI Kms NAC Ccnp Certified IDS
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Tata Consultancy
Tata Consultancy Services (TCS) is an Indian multinational information technology services, consulting, and business solutions company headquartered in Mumbai, India
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