Network Engineer 3 -

Coforge Limited; Greater Noida; Presencial; INR 1.800.000 - 3.600.000; Jornada completa

Descripción de la vacante

Coforge Limited in Greater Noida is seeking an experienced L3 Network Engineer to design, implement, optimize, and troubleshoot complex enterprise networks across global locations. You will serve as a technical escalation point to ensure high availability, performance, and security.

This role covers network design, advanced troubleshooting, security, change management, automation, and vendor coordination, requiring strong hands-on expertise in routing, switching, firewalling, and observability

Formación

• 10-15+ years of experience in enterprise network operations.
• Strong multi-site/global network exposure and leadership.
• Certifications in CCNP/CCIE and firewall/sd-wan credentials preferred.

Responsabilidades

• Design and implement scalable, resilient enterprise networks.
• Act as L3 escalation point for critical P1/P2 incidents.
• Perform root cause analysis and implement long-term fixes.
• Monitor performance and optimize routing, switching, and bandwidth.
• Manage high-availability configurations and security controls.
• Plan changes with minimal downtime and CAB participation.
• Coordinate with ISPs, vendors, and cross-functional teams.

Conocimientos

BGP

OSPF

EIGRP

VLAN

STP

VTP

EtherChannel

MPLS

SD-WAN

Zero Trust

VPN

Firewalls

SolarWinds

PRTG

Wireshark

TCPdump

Python

Ansible

Leadership

Problem-solving

Educación

CCNP / CCIE

PCNSE / NSE (Fortinet)

Aruba certifications

Herramientas

SolarWinds

PRTG

Wireshark

TCPdump

Configuration management tools

VPN technologies

Firewall policies

Descripción del empleo

Role Overview

The L3 Network Engineer is responsible for designing, implementing, optimizing, and troubleshooting complex enterprise network infrastructure. This role acts as a technical escalation point (Level 3) for critical incidents, ensuring high availability, performance, and security of the network environment across global locations.

Key Responsibilities

1. Network Design & Architecture

• Design and implement scalable and resilient network solutions (LAN, WAN, WLAN, DC).
• Lead network architecture planning for new sites, migrations, and expansions.
• Evaluate and integrate new technologies (SD-WAN, Cloud Networking, SASE, Zero Trust).

2. Advanced Troubleshooting & Incident Management

• Act as L3 escalation point for critical P1/P2 incidents.
• Perform root cause analysis (RCA) and implement long-term fixes.
• Ensure adherence to SLA, MTTR, and uptime commitments.

3. Network Operations & Optimization

• Monitor network performance and ensure proactive issue resolution.
• Optimize routing, switching, and bandwidth utilization.
• Manage high-availability configurations (HSRP, VRRP, clustering).

4. Security & Compliance

• Implement and manage firewall policies (Palo Alto, Fortinet, Cisco ASA).
• Ensure compliance with security standards and audit requirements.
• Handle DDoS protection, IPS/IDS, VPN (Site-to-Site & Remote Access).

5. Change & Release Management

• Plan and execute network changes with minimal downtime.
• Participate in CAB discussions and risk assessments.
• Maintain accurate documentation and configuration backups.

6. Automation & Monitoring

• Leverage tools like SolarWinds, PRTG, or equivalent for observability.
• Drive automation using Python, Ansible, or scripting.
• Improve operational efficiency through AI/automation initiatives.

7. Vendor & Stakeholder Management

• Coordinate with ISPs, OEMs, and vendors for issue resolution and upgrades.
• Work with cross-functional teams (Security, Infra, Cloud, GNOC).
• Support procurement in BoQ validation and technical evaluation.

Required Technical Skills

Core Networking

• Routing: BGP, OSPF, EIGRP
• Switching: VLAN, STP, VTP, EtherChannel
• WAN technologies (MPLS, SD-WAN)
• Wireless (enterprise-grade solutions ? Aruba, Cisco)

Security

• Firewalls (Palo Alto, Fortinet, Cisco ASA/Firepower)
• VPN technologies (IPSec, SSL)
• Network access control, segmentation, Zero Trust concepts

Tools & Monitoring

• SolarWinds / Network Observability tools
• Packet analysis (Wireshark, TCPdump)
• Configuration management tools

Automation

• Python / Shell scripting
• Ansible or similar automation frameworks (preferred)

Experience & Qualifications

• 10-15+ years of experience in enterprise network operations
• Strong experience in multi-site/global network environments
• Certifications (preferred):
• CCNP / CCIE
• PCNSE / NSE (Fortinet)
• Aruba certifications

Soft Skills

• Strong problem-solving and analytical mindset
• Excellent stakeholder communication (technical & leadership level)
• Ability to handle high-pressure situations and critical outages
• Proactive ownership and accountability

Key Performance Indicators (KPIs)

• SLA adherence & MTTR reduction
• Incident recurrence reduction (RCA effectiveness)
• Network uptime and availability
• Automation adoption and operational efficiency
• Audit and compliance adherence