Network Security Engineer Job at Tata Consultancy Services, Plano, TX

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  • Tata Consultancy Services
  • Plano, TX

Job Description

Job Description

Network Protocols:

TCP/IP, UDP, BGP, OSPF, EIGRP, MPLS, ISIS

Layer 4 (Transport Layer)

TCP, UDP, SSL termination (TLS offload)

Layer 7 (Application Layer)

WebSocket handling

URL rewriting, header injection, cookie persistence

Web Gateway & DNS

Zscaler (ZIA & ZPA) Administration, Infoblox Management

Health Monitoring

Setting up custom health checks ( 200 OK, TCP connection, etc.)

WAN Technologies

MPLS, Metro Ethernet, SD-WAN, VPNs (IPSec, GRE, DMVPN), Leased Lines, LTE/5G Backup links.

Hardware Knowledge

Cisco Routers/Switches (e.g., ISR, ASR series), Palo Alto Firewall, F5 BIG-IP (LTM, GTM/DNS, APM modules)

Routing And Switching

Advanced configuration and troubleshooting (static/dynamic routing, VLANs, STP, Trunking, etc.)

Firewall And Security

Knowledge of firewalls (Palo Alto), ACLs, VPN security, IDS/IPS basics.

SD-WAN Solutions

Familiarity with Cisco Viptela, Meraki SD-WAN

Monitoring And Troubleshooting Tools

Datadog, Thousand Eyes, Vital-net, Nagios, Stealth watch

Cloud Networking

AWS Networking (VPCs, Direct Connect, Transit Gateway), Azure Virtual WAN, GCP networking.

Traffic Management Skills

Load balancing methods (Round Robin, Least Connections, Weighted Least Response Time)

Persistence and Stickiness (Source IP, Session Cookie, SSL ID-based persistence)

Global Server Load Balancing (GSLB) directing users to the closest/healthiest data center.

SSL offloading, re-encryption, and SSL bridging.

Base Salary Range: $110,000 - $150,000 per annum

Qualifications: BACHELOR OF COMPUTER SCIENCE

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