Network Security Engineer Job at IQZ Systems

Network Security Engineer

IQZ Systems

Location:
Sri Lanka

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We are seeking a talented and proactive Network Security Engineer to join our expanding IT Infrastructure and Security team. This role combines advanced network engineering with hands-on cybersecurity operations. The ideal candidate will design, deploy, and optimize network architectures across multi‑cloud environments (AWS, Azure, GCP) while strengthening the security posture of the organization through monitoring, incident response, compliance, and vulnerability management.

Job Responsibility:

Manage and optimize daily network operations ensuring availability and performance
Design and support multi‑cloud network solutions (AWS, Azure, GCP)
Deploy/manage SD‑WAN, Internet connectivity, and wireless networks
Configure and maintain firewalls, routers, switches, VPNs, IDS/IPS, and core services
Troubleshoot complex network issues and perform root cause analysis
Maintain accurate documentation (topologies, SOPs, configurations)
Conduct capacity planning and continuous performance monitoring
Coordinate with ISPs/vendors and evaluate new network/security technologies
Work with IT Security to maintain secure network architectures
Monitor and respond to alerts across firewalls, endpoint security, Netskope, SIEM, etc.
Integrate logs into SIEM and support SOC processes and incident response
Assist in vulnerability assessments, VAPT, patching, and remediation efforts
Maintain firewall/security policies, segmentation, NAT, VPNs, and access controls
Improve monitoring, reporting, and automation for security operations
Support HA, disaster recovery, and business continuity planning
Contribute to ISO audits, compliance tasks, and documentation
Assist with Azure/cloud security fundamentals
Manage AD, DNS, DHCP, and core Windows/Linux infrastructure services
Support backup processes and endpoint/server patching
Handle network/security-related IT support tickets
Work with senior engineers on operations and continuous improvements

Requirements:

1+ years cloud networking (AWS/Azure/GCP)
3+ years managing routers, switches, and network security appliances
Hands‑on experience with Fortinet firewalls
Juniper experience preferred
Knowledge of Wi‑Fi technologies, SD‑WAN, AD, DNS, DHCP, and server environments
Familiarity with SIEM, endpoint security, vulnerability management, and basic incident response
Strong troubleshooting, analytical, communication, and documentation skills
Bachelor’s degree in Computer Science, Engineering, Information Systems, or equivalent experience

Nice to have:

CCNA / CCNP
NSE
Azure/AWS fundamentals
Security+ / CEH
MCSA or equivalent

Additional Information:

Job Posted:
March 19, 2026

Employment Type:

Fulltime

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