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

1. 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 Solar Winds, 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

1. Technical Skills Required

/n

Core Networking

/n

/n

- Strong 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 (Solar Winds/Nagios/PRTG)

/n

- Packet analysis (Wireshark optional)

/n

/n

1. Certifications (Preferred / Mandatory)

/n

/n

- JNCIA / JNCIS (Juniper Certifications)

/n

- ITIL Foundation (good to have)

/n

- Comparable Cisco certification (CCNA) – added advantage

/n

/n

1. 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

1. Soft Skills

/n

/n

- Solid 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

1. 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