Network Security Engineer

8 hours ago

Noida, Uttar Pradesh, India GlobalXperts Full time ₹ 10,00,000 - ₹ 25,00,000 per year

Summary of Position:

We are seeking a
Network & Security Engineer- L2

with deep technical expertise in
routing, switching, wireless technologies

, and
network security

. The ideal candidate will have extensive hands-on experience with Cisco R
outing& 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:

l  
Act as the
technical authority and escalation point

for all networking and security-related matters. 

l  
Lead the
design and architecture

of enterprise network infrastructure including LAN/WAN/WLAN and security zones. 

l  
Implement and manage
routing and switching solutions

using enterprise-grade technologies (e.g., Cisco, Arista). 

l  
Design, deploy, and manage
secure wireless networks

, ensuring optimal performance and security compliance. 

l  
Configure and maintain advanced security platforms, including: 

l  
Palo Alto Networks NGFW

l  
Lead and perform
end-to-end troubleshooting

for complex issues across L2-L7. 

l  
Develop and enforce
network security policies

, segmentation strategies, ACLs, and threat prevention mechanisms. 

l  
Guide network/security operations in
incident response

, root cause analysis, and preventive action planning. 

l  
Provide strategic input on
network modernization

,
capacity planning

, and
technology evaluations

. 

l  
Create and maintain comprehensive technical documentation and runbooks. 

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

Required Skills & Experience:

l  
Deep expertise in
routing protocols

(OSPF, BGP, EIGRP) and
switching technologies

(VLANs, STP, EtherChannel, QoS). 

l  
Strong hands-on experience with
enterprise wireless infrastructure

(e.g., Cisco, Arista). 

l  
Extensive knowledge of
firewall configuration and administration

: 

l  
Palo Alto Networks (PAN-OS and Panorama)

l  
In-depth understanding of
network and security design principles

, segmentation, and best practices. 

l  
Proven ability to
design, implement, and troubleshoot

complex enterprise networks. 

l  
Strong background in
VPN technologies

,
NAT

,
ACLs

,
IPS/IDS

, and
layer 7 inspection

. 

l  
Familiarity with
monitoring, logging, and performance tools

(e.g., SolarWinds, PRTG, Wireshark, Splunk). 

Preferred Certifications :

l  
CCNP/CCIE (Enterprise or Security)

l  
Any relevant
cloud networking certifications

(AWS, Azure) are a plus. 

Qualifications:

l  
Bachelor's degree in Computer Science, Information Technology, Electronics & Communication, or a related field. 

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

Soft Skills:

l  
Excellent communication and stakeholder management skills. 

l  
Strong documentation and presentation abilities. 

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

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

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