Network Security Engineer

Azizi Developments; Dubai; On-site; AED 267,840 - 468,720; Full time

Job summary

Azizi Developments in Dubai seeks a Network Security Engineer to design, implement, and maintain secure enterprise networks. You will lead security design, firewall and VPN management, and incident response while collaborating with IT and SOC teams to strengthen defenses.

The role emphasizes risk assessment, device hardening, IAM, and ISO27001 compliance, with hands-on work on Palo Alto, Fortinet, and SIEM tools essential for success.

Qualifications

• Experience designing and implementing secure network architectures.
• Ability to configure and manage firewalls, VPNs, and IDS/IPS.
• Familiarity with cloud security groups and network controls.

Responsibilities

• Monitor network security alerts and respond to incidents.
• Review firewall and VPN logs and adjust rules as needed.
• Perform vulnerability scans and patch network devices.
• Document network changes and security incidents for audits.
• Collaborate with IT, SOC, and cloud teams to fortify defenses.

Skills

TCP/IP

DNS

DHCP

VLANs

Routing

Switching

Firewall administration

VPN technologies

IPSec

NAC

SIEM

Linux administration

Windows administration

Scripting

Cloud networking

Tools

Palo Alto

Fortinet

Cisco ASA Firepower

Check Point

Splunk

Microsoft Sentinel

QRadar

Snort

Suricata

OpenVPN

Job description

Key Roles and Responsibilities

• Network Security Design and Implementation
• Design secure network architectures
• Configure firewalls, VPNs, routers and switches
• Implement network segmentation and access controls
• Firewall and Security Device Management
• Install, configure and maintain firewalls
• Manage IDS and IPS
• Configure Web Application Firewalls (WAFs)
• Network Monitoring
• Monitor network traffic for suspicious activities
• Analyze security logs using SIEM tools
• Detect and respond to security incidents
• Vulnerability Assessment and Risk Management
• Perform vulnerability scans
• Identify and remediate security weaknesses
• Conduct risk assessments and recommend security improvements
• Incident Response
• Investigate network security incidents
• Contain, eradicate, and recover from cyberattacks
• Conduct root‑cause analysis and prepare incident reports
• Access Control Management
• Implement Identity and Access Management (IAM)
• Configure authentication protocols such as MFA, RADIUS, and TACACS
• Enforce least‑privilege access policies
• Security Policy Implementation
• Develop and enforce network security policies
• Ensure compliance with organizational security standards
• Document security procedures and configurations
• Patch and Configuration Management
• Apply firmware and software updates
• Harden network devices following security best practices
• Maintain secure configurations
• Disaster Recovery and Business Continuity
• Develop backup and recovery plans
• Ensure network redundancy and high availability
• Participate in disaster recovery testing
• Compliance and Auditing
• Support compliance with standards such as ISO27001, PCIDSS, HIPAA, or NIST
• Prepare documentation for security audits
• Address audit findings
• Collaboration
• Work with system administrators, cloud engineers, SOC analysts, and IT teams
• Support security awareness initiatives
• Assist in implementing secure network changes

Common Tools Used

• Firewalls: Palo Alto, Fortinet, Cisco ASA Firepower, Check Point
• SIEM: Splunk, Microsoft Sentinel, QRadar
• IDS/IPS: Snort, Suricata
• VPN: Cisco AnyConnect, OpenVPN
• Network Monitoring: Wireshark, SolarWinds, PRTG, Nagios
• Vulnerability Scanners: Nessus, Qualys, OpenVAS
• Cloud Security: AWS Security Groups, Azure NSGs, Google Cloud Firewall

Essential Skills

• TCP/IP, DNS, DHCP, VLANs, Routing, Switching
• Network protocols and packet analysis
• Firewall administration
• VPN technologies, IPSec, SSL VPN
• Network Access Control (NAC)
• SIEM and log analysis
• Linux and Windows administration
• Scripting: Python, Bash, PowerShell
• Cloud networking and security

Typical Daily Activities

• Monitor network security alerts
• Review firewall and VPN logs
• Respond to security incidents
• Implement firewall rule changes
• Conduct vulnerability scans
• Patch network devices
• Analyze suspicious network traffic
• Document network changes and security incidents
• Collaborate with IT and security teams to strengthen network defenses

Certifications That Add Value

• Cisco CCNA Security
• CCNP Security
• CompTIA Security+
• CompTIA CySA+
• Certified Information Systems Security Professional (CISSP)
• Certified Ethical Hacker (CEH)
• Palo Alto Networks Certified Network Security Engineer (PCNSE)
• Fortinet NSE Certification
• GIAC Certified Incident Handler (GCIH)

A Network Security Engineer plays a critical role in protecting enterprise networks from cyber threats while ensuring secure, reliable, and compliant network operations. Cisco CCNA Security / CCNP Security