Network Security Engineer with Firewall Security Operations

Alphacom Systems And Solutions; Bengaluru, Mumbai, Chennai District; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Alphacom Systems And Solutions is seeking a Network Engineer to handle deployment, monitoring, and troubleshooting of enterprise network infrastructure across LAN, WAN, WLAN and SD-WAN. The role covers on-prem and cloud environments with emphasis on availability and security.

You will configure routers, switches, firewalls, and wireless controllers; monitor health and performance; execute changes; and maintain documentation while collaborating with cross-functional teams including Cloud and

Qualifications

• 5–8 years of network engineering experience.
• Experience with LAN/WAN/WLAN/SD-WAN.
• Hybrid on-prem and cloud environments.

Responsibilities

• Configure, deploy and manage routers, switches, firewalls, and wireless controllers.
• Monitor network health with SolarWinds, SCOM or PRTG and optimize performance.
• Execute planned network changes including upgrades and patching.
• Maintain network diagrams, device configurations, IP addressing and topology.
• Collaborate with Cloud, Security and Server teams; support Azure/AWS connectivity.

Skills

Python basics

Troubleshooting

Collaboration

Tools

SolarWinds

SCOM

PRTG

ServiceNow

ITIL

Job description

Exp: 5-8yrs
Loc: Mumbai, Chennai and Bangalore.
Network Security Engineer with Firewall Security Operations

Experience 5 to 8 Years

Job Summary

We are seeking a skilled Network Engineer responsible for deployment operations monitoring and troubleshooting of enterprise network infrastructure across LAN WAN WLAN and SDWAN environments The role involves supporting businesscritical network services in a hybrid infrastructure spanning onprem and cloud environments

Key Responsibilities

Network Operations Support

Configure deploy and manage routers switches firewalls wireless controllers and access points

Support LANWANWLAN and SDWAN environments across multiple locations

Perform L2L3 troubleshooting incident resolution and escalation handling

Diagnose and resolve network issues impacting availability performance or security

Monitoring Performance

Monitor network health using tools such as SolarWinds SCOM PRTG Nagios

Analyze s logs and traffic patterns to proactively prevent outages

Perform network performance tuning and optimization

Change Maintenance

Execute planned network changes including upgrades patching and configuration updates

Support firmware upgrades and lifecycle management activities

Ensure adherence to change management processes ITIL

Documentation Inventory

• Network diagrams HLDLLD


• Device configurations


• IP addressing and topology

Maintain network inventory and configuration backups

Collaboration

Work with crossfunctional teams Cloud Security Server teams

Support hybrid cloud connectivity AzureAWS basics

Provide technical support during audits and compliance checks

Required Skills

Core Networking

Routing BGP OSPF EIGRP

Switching VLAN STP VTP trunking port security

Protocols TCPIP DNS DHCP NAT

Platforms Technologies

Cisco Catalyst Nexus ISRASR

Aruba Juniper good to have

SDWAN Cisco SDN Meraki basicintermediate

Tools

Monitoring SolarWinds SCOM PRTG

Ticketing ServiceNow preferred

Good to Have

Python or scripting basics

Exposure to cloud networking AzureAWS

Understanding of security concepts firewalls VPN

Certifications Preferred

CCNA CCNP Enterprise

ITIL Foundation