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Ozonetel Communications
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Network Security-Lead / Sr. Network Security

Network Security-Lead / Sr. Network Security

Ozonetel Communications

5 - 8 years

3 - 4 Lacs

hyderābād

Posted:2 days ago| Platform: GlassDoor logo

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Skills Required

network security troubleshooting firewall data design ipsec routing bgp ospf segmentation analysis siem monitoring devops documentation support audits compliance antivirus filtering inspection tcp ip deployment aws vpc snmp capture certifications azure communication mentoring automation python

Work Mode

Remote

Job Type

Full Time

Job Description

Job Title: Lead – Network Security / Sr. Network Security
Job Type: Full-time Experience: 5-8 years Location: Hyderabad (Work from office)

Position Overview

We are seeking a highly skilled Lead / Senior Network Engineer with strong hands-on experience in Fortinet security solutions. The ideal candidate will be responsible for designing, implementing, securing, and troubleshooting enterprise-grade network and firewall infrastructures across data centers and cloud environments.

Key Responsibilities

Design, deploy, and manage FortiGate firewalls in high-availability (HA) environments

Configure and maintain Firewall Policies, NAT, VIPs, UTM profiles

Implement and troubleshoot Site-to-Site VPNs and SSL/IPSec Remote Access VPNs

Manage routing protocols (BGP, OSPF, Static routing)

Handle network segmentation, VLANs, and inter-VLAN routing

Monitor and optimize network performance and security posture

Perform incident response, root cause analysis, and preventive measures

Integrate Fortinet solutions with SIEM, SOC, and monitoring tools

Work closely with Cloud, DevOps, and Security teams

Maintain documentation, network diagrams, and SOPs

Support audits, compliance, and security reviews

Required Technical Skills

Firewall & Security

FortiGate (physical & virtual)

FortiManager & FortiAnalyzer

UTM: IPS, Antivirus, Web Filtering, Application Control

SSL Inspection, DoS policies

HA (Active-Active / Active-Passive)

Networking

TCP/IP, DNS, DHCP

VLANs, Trunking, STP

Routing: BGP, OSPF

Load balancing concepts

Proxy and reverse proxy concepts

Cloud & Virtualization

Firewall deployment in AWS / Azure

Security Group & NACL integration

Virtual firewalls and cloud routing

VPC/VNet connectivity

Monitoring & Tools

SNMP, NetFlow

Packet capture & traffic analysis

Troubleshooting using logs and diagnostics

Certifications (Preferred)

Fortinet NSE 4 / NSE 5 / NSE 6 / NSE 7

CCNA / CCNP (added advantage)

Cloud certifications (AWS/Azure – preferred)

Soft Skills

Strong troubleshooting and analytical skills

Ability to handle production outages and pressure situations

Clear communication with stakeholders

Ownership mindset and proactive approach

Mentoring junior engineers

Nice to Have

Experience with multi-ISP environments

Exposure to Zero Trust / SASE

Automation using scripts (Python/Bash)

Experience in SOC or NOC environments

Who Should Apply

Candidates with hands-on Fortinet firewall ownership

Experience handling enterprise or large-scale production networks

Strong background in network security and operations

Job Category: Network Security

Job Type: Full Time

Job Location: Hyderabad

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