L2 Network Security Engineer

2 days ago

Noida, Uttar Pradesh, India GXI NETWORKS PRIVATE LIMITED Full time ₹ 20,00,000 - ₹ 25,00,000 per year

Description :

We are seeking a Network & Security EngineerL2 with deep technical expertise in routing, switching, wireless technologies, and network security.

The ideal candidate will have extensive hands-on experience with Cisco Routing& Switching, Arista Routing& Switching, Palo Alto security platforms, along with a strong background in design, implementation, and troubleshooting of complex network environments.

This role demands advanced problem-solving skills, leadership in technical strategy, and the ability to drive secure, scalable infrastructure solutions across the enterprise.

Responsibilities :

- Act as the technical authority and escalation point for all networking and security-related matters.

- Lead the design and architecture of enterprise network infrastructure including LAN/WAN/WLAN and security zones.

- Implement and manage routing and switching solutions using enterprise-grade technologies (e.g., Cisco, Arista).

- Design, deploy, and manage secure wireless networks, ensuring optimal performance and security compliance.

- Configure and maintain advanced security platforms, including Palo Alto Networks NGFW.

- Lead and perform end-to-end troubleshooting for complex issues across L2-L7.

- Develop and enforce network security policies, segmentation strategies, ACLs, and threat prevention mechanisms.

- Guide network/security operations in incident response, root cause analysis, and preventive action planning.

- Provide strategic input on network modernization, capacity planning, and technology evaluations.

- Create and maintain comprehensive technical documentation and runbooks.

- Mentor junior engineers and collaborate with project teams, security operations, and infrastructure leads.

Required Skills & Experience :

- Deep expertise in routing protocols (OSPF, BGP, EIGRP) and switching technologies (VLANs, STP, EtherChannel, QoS).

- Strong hands-on experience with enterprise wireless infrastructure (e.g., Cisco, Arista).

- Extensive knowledge of firewall configuration and administration:

- Palo Alto Networks (PAN-OS and Panorama).

- In-depth understanding of network and security design principles, segmentation, and best practices.

- Proven ability to design, implement, and troubleshoot complex enterprise networks.

- Strong background in VPN technologies, NAT, ACLs, IPS/IDS, and layer 7 inspection.

- Familiarity with monitoring, logging, and performance tools (e.g., SolarWinds, PRTG, Wireshark, Splunk).

Preferred Certifications :

- CCNP/CCIE (Enterprise or Security).

- Any relevant cloud networking certifications (AWS, Azure) are a plus.

Qualifications :

- Bachelors degree in Computer Science, Information Technology, Electronics & Communication, or a related field.

- Equivalent professional experience may be considered in lieu of formal education.

Soft Skills :

- Excellent communication and stakeholder management skills.

- Strong documentation and presentation abilities.

- Proactive mindset with a focus on problem prevention and system optimization.

- Ability to lead and mentor technical teams in high-pressure situations.

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