Dear Candidate, Greetings from TATA Consultancy Services!! Thank you for expressing your interest in exploring a career possibility with the TCS Family.

Hiring

For

- Network Juniper (Certified) Location: Mumbai Experience: 4 to 9yrs 1.

Role Overview - Provide L2 network support for Juniper-based infrastructure (LAN/WAN/Firewall)

- Handle advanced troubleshooting, configuration, and incident resolution
- Ensure high availability, performance, and security of network environment 2.

Key Responsibilities A.

Network

Operations & Support - Manage and support Juniper devices (MX, EX, QFX, SRX series)

- Perform configuration, monitoring, and maintenance of routers/switches/firewalls
- Handle L2 incidents, service requests, and problem tickets
- Work with L1 for escalation and coordinate with L3 for complex issues [linkedin.com] B. Troubleshooting & Incident Management - Perform advanced troubleshooting of network issues (routing, switching, firewall, VPN)
- Conduct root cause analysis (RCA) and implement corrective actions
- Ensure incident resolution within SLA timelines C. Configuration & Change Management - Implement network configuration changes (VLAN, routing, subnetting, ACLs)
- Execute standard changes as per CAB / SOP
- Participate in firmware upgrades, patching, and DR drills D. Monitoring & Performance Optimization - Monitor network using tools like SolarWinds, Nagios, PRTG
- Analyze performance metrics and optimize network throughput
- Maintain uptime and network health E. Security & Compliance - Configure and manage firewall policies (Juniper SRX)
- Ensure security through VPN, ACLs,



and filtering rules
- Monitor and respond to network security events F. Documentation & Reporting - Maintain:
- Network diagrams
- Configuration backups
- SOPs / Knowledge base
- Provide incident reports, RCA, and audit compliance documentation 3.

Technical Skills Required Core

Networking - Strong knowledge of:

- TCP/IP, OSI model, DNS, DHCP
- Routing protocols (OSPF, BGP, Static)
- Switching (VLAN, STP, trunking) Juniper Technologies - Hands-on experience with:
- Junos OS
- Juniper product families:
- MX (Routing)
- EX/QFX (Switching)
- SRX (Firewall)
- Knowledge of Junos CLI and troubleshooting commands Network Security - Firewall configuration (SRX/Palo Alto optional)
- VPN (IPSec/SSL)
- Basic IDS/IPS concepts Tools & Monitoring - Network monitoring tools (SolarWinds/Nagios/PRTG)
- Packet analysis (Wireshark optional) 4.

Certifications (Preferred / Mandatory) - JNCIA / JNCIS (Juniper Certifications)

- ITIL Foundation (good to have)
- Comparable Cisco certification (CCNA) – added advantage 5.

Experience - 5–8 years experience in network operations

- Minimum 5–8 years hands-on with Juniper environment
- Experience in data center / enterprise / BFSI environment preferred 6. Soft Skills - Strong analytical & troubleshooting skills
- Valuable communication and stakeholder management
- Ability to work in 24x7 support model
- Documentation and process adherence mindset 7. KPIs / Performance Metrics - Incident resolution within SLA (MTTR)
- Network uptime and availability %
- Change success rate
- Reduction in repeat incidents

📌 Network Juniper (Certified) (Mumbai)
🏢 Tata Consultancy Services
📍 Mumbai