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 recent 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
• 8 years to 10 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 Share resume on [email protected]

📌 Network Engineer (Noida)
🏢 Coforge
📍 Noida