Network Security Engineer

Linnk Group; Doha; On-site; QAR 180,000 - 300,000; Full time

Job summary

Linnk Group is seeking a Network Security Consultant with hands-on experience in firewall and security operations within the Telecom domain. You will manage and secure network infrastructure, SD-WAN, and cloud security across customer environments.

You will administer Fortinet FortiGate/FortiMail, FortiWeb, FortiAuthenticator, and FortiGate firewalls, assist with Azure network security, DNS, and application delivery services, and collaborate with NOC/SOC and IT teams to ensure continuous

Qualifications

• 4–6 years of relevant network security operations experience.
• Telecom domain experience is mandatory.
• Hands-on experience with FortiGate FortiAuthenticator FortiMail FortiWeb, firewalls, switches and load balancers.
• Experience with enterprise/customer network protection.

Responsibilities

• Manage and operate Fortinet and Palo Alto firewalls, including rules and incident remediation.
• Administer FortiGate, FortiAuthenticator, FortiMail, and FortiWeb.
• Support Fortinet/Huawei SD‑WAN including routing and secure connectivity.
• Protect enterprise/customer infrastructure and resolve network security incidents.
• Manage core services such as DNS, proxy, authentication, and mail relay.
• Support F5 load-balancing and application delivery services.
• Support Azure network security including Azure Firewall, NSGs, VNets, and WAF.
• Perform health checks, monitoring, and capacity management.
• Coordinate with NOC/SOC, Network, Cloud, and IT teams to resolve incidents.

Skills

Firewall administration

Security operations

Troubleshooting

Incident management

Telecom domain experience

Cloud security

Azure network security

Tools

Fortinet FortiGate

FortiAuthenticator

FortiMail

FortiWeb

Fortinet SD-WAN

Huawei SD-WAN

F5 load balancer

DNS

Job description

We are looking for a Network Security Consultant with strong hands‑on experience in firewall and security operations within the Telecom domain. The role will focus on managing network security infrastructure, SD‑WAN, customer protection, core network services, and cloud security.

Key Responsibilities

• Manage and operate Fortinet and Palo Alto firewalls, including firewall rules, policies, configuration, monitoring, troubleshooting, and incident remediation.
• Administer security infrastructure including FortiGate, FortiAuthenticator, FortiMail, and FortiWeb.
• Support and optimize Fortinet/Huawei SD‑WAN, including routing, traffic steering, application prioritization, secure connectivity, and hybrid cloud integration.
• Support enterprise/customer infrastructure protection and resolve network security incidents.
• Manage core services including DNS, proxy, authentication, and mail relay, ensuring availability, security, and reliability.
• Support F5/load‑balancing infrastructure and application delivery services.
• Support Azure network security, including Azure Firewall, NSGs, VNets, Application Gateway/WAF, Load Balancer, DNS, and hybrid connectivity.
• Perform infrastructure health checks, monitoring, troubleshooting, incident management, and capacity management.
• Coordinate with NOC/SOC, Network, Cloud, and IT teams to resolve incidents and maintain service availability.

Mandatory Skills

• 4–6 years of relevant network security operations experience.
• Telecom domain experience is mandatory.
• Hands‑on experience with:
• FortiGate
• FortiAuthenticator
• FortiMail
• FortiWeb
• Firewalls, switches, and load balancers
• Experience with enterprise/customer network protection.
• Strong troubleshooting and incident‑management skills.

Mandatory Certifications

Candidates must have relevant certifications clearly mentioned on their CV:

• Fortinet NSE 4–7 or applicable current equivalent

Python scripting is an added advantage.