Job Description

Dear Candidate,

n

Greetings from TATA Consultancy Services!!

n

Thank you for expressing your interest in exploring a career possibility with the TCS Family.

n

Hiring For:- Network Juniper (Certified)

n

Location: Mumbai

n

Experience: 4 to 9yrs

n

1. Role Overview

n

n
- Provide L2 network support for Juniper-based infrastructure (LAN/WAN/Firewall)
n
- Handle advanced troubleshooting, configuration, and incident resolution
n
- Ensure high availability, performance, and security of network environment
n

n

2. Key Responsibilities

n

A. Network Operations & Support

n

n
- Manage and support Juniper devices (MX, EX, QFX, SRX series)
n
- Perform configuration, monitoring, and maintenance of routers/switches/firewalls
n
- Handle L2 incidents, service requests, and problem tickets
n
- Work with L1 for escalation and coordinate with L3 for complex issues [linkedin.com]
n

n

B. Troubleshooting & Incident Management

n

n
- Perform advanced troubleshooting of network issues (routing, switching, firewall, VPN)
n
- Conduct root cause analysis (RCA) and implement corrective actions
n
- Ensure incident resolution within SLA timelines
n

n

C. Configuration & Change Management

n

n
- Implement network configuration changes (VLAN, routing, subnetting, ACLs)
n
- Execute standard changes as per CAB / SOP
n
- Participate in firmware upgrades, patching, and DR drills
n

n

D. Monitoring & Performance Optimization

n

n
- Monitor network using tools like SolarWinds, Nagios, PRTG
n
- Analyze performance metrics and optimize network throughput
n
- Maintain uptime and network health
n

n

E. Security & Compliance

n

n
- Configure and manage firewall policies (Juniper SRX)
n
- Ensure security through VPN, ACLs,



and filtering rules
n
- Monitor and respond to network security events
n

n

F. Documentation & Reporting

n

n
- Maintain:
n
- Network diagrams
n
- Configuration backups
n
- SOPs / Knowledge base
n
- Provide incident reports, RCA, and audit compliance documentation
n

n

3. Technical Skills Required

n

Core Networking

n

n
- Solid knowledge of:
n
- TCP/IP, OSI model, DNS, DHCP
n
- Routing protocols (OSPF, BGP, Static)
n
- Switching (VLAN, STP, trunking)
n

n

Juniper Technologies

n

n
- Hands-on experience with:
n
- Junos OS
n
- Juniper product families:
n
- MX (Routing)
n
- EX/QFX (Switching)
n
- SRX (Firewall)
n
- Knowledge of Junos CLI and troubleshooting commands
n

n

Network Security

n

n
- Firewall configuration (SRX/Palo Alto optional)
n
- VPN (IPSec/SSL)
n
- Basic IDS/IPS concepts
n

n

Tools & Monitoring

n

n
- Network monitoring tools (SolarWinds/Nagios/PRTG)
n
- Packet analysis (Wireshark optional)
n

n

4. Certifications (Preferred / Mandatory)

n

n
- JNCIA / JNCIS (Juniper Certifications)
n
- ITIL Foundation (good to have)
n
- Comparable Cisco certification (CCNA) – added advantage
n

n

5. Experience

n

n
- 5–8 years experience in network operations
n
- Minimum 5–8 years hands-on with Juniper environment
n
- Experience in data center / enterprise / BFSI environment preferred
n

n

6. Soft Skills

n

n
- Strong analytical & troubleshooting skills
n
- Good communication and stakeholder management
n
- Ability to work in 24x7 support model
n
- Documentation and process adherence mindset
n

n

7. KPIs / Performance Metrics

n

n
- Incident resolution within SLA (MTTR)
n
- Network uptime and availability %
n
- Change success rate
n
- Reduction in repeat incidents
n

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