Hybrid L3 Network Security Engineer – Firewalls & DDoS

NorthBay Solutions LLC; Islamabad; Hybrid; PKR 1,800,000 - 3,400,000; Full time

Job summary

NorthBay Solutions LLC is seeking an experienced L3 Network Security Engineer to support and manage enterprise security environments for a UAE-based client. The role requires hands-on expertise in firewall platforms, VPNs, and secure architectures, with responsibilities spanning incident resolution and security design.

The candidate will handle complex security incidents, architecture reviews, and implementation across enterprise environments, ensuring alignment with ITIL and security best

Qualifications

• 5+ years of professional experience in Network Security, Cybersecurity, or Security Operations.

Responsibilities

• Provide L3 technical support for complex network security incidents, escalations, and service requests.
• Administer, configure, troubleshoot, and optimize enterprise firewall and network security platforms.
• Work with Palo Alto, FortiGate, Check Point and other enterprise firewall technologies.
• Manage and troubleshoot F5 BIG-IP, IPS/IDS, and DDoS protection activities.
• Support MFA, VPN token solutions, Cisco ISE/NAC, and remote access security environments.
• Design and review secure network architectures, including high availability, segmentation, and security controls.
• Perform firewall policy reviews, rule implementation, and security hardening.
• Coordinate with internal teams and client stakeholders for incident resolution and security changes.
• Maintain technical documentation and troubleshooting procedures.

Skills

L3 support

Troubleshooting

Security architecture

Network design

High availability

TCP/IP

Stakeholder management

Tools

Palo Alto

FortiGate

Check Point

Zscaler

Forcepoint

F5 BIG-IP

IPS/IDS

DDoS

MFA / VPN token

Cisco ISE / NAC

HLD/LLD

Job description

NorthBay Solutions LLC is seeking an experienced L3 Network Security Engineer to support and manage enterprise security environments for a UAE-based client. The role requires hands-on expertise in firewall platforms, VPNs, and secure architectures, with responsibilities spanning incident resolution and security design.

The candidate will handle complex security incidents, architecture reviews, and implementation across enterprise environments, ensuring alignment with ITIL and security best