Network Security Engineer - L3 -

Network Security Engineer – L3

DXC Technology | United Arab Emirates | On-site - Senior Analyst I

Function: Cyber Security – Managed Detection & Response

Job Summary

DXC Technology is seeking an experienced Network Security Engineer – L3 to engineer, administer, optimize, and provide advanced support for enterprise network security technologies within a complex cybersecurity environment in the UAE.

The role requires strong hands-on expertise across firewalls, IDS/IPS, VPN, network segmentation, secure connectivity, web security, network threat prevention, and security platform integrations, with responsibility for L3 troubleshooting and supporting SOC/MDR operations.

Key Responsibilities

• Engineer, configure, administer, maintain, and optimize enterprise network security platforms.
• Manage Next-Generation Firewalls (NGFW), IDS/IPS, VPN, secure remote access, network segmentation, and security policies.
• Configure and troubleshoot firewall policies, NAT, routing, security zones, objects, application controls, and threat prevention profiles.
• Support WAF, secure web gateway/proxy, DNS security, network access control (NAC), and network security technologies as applicable.
• Design and implement secure network segmentation and access controls based on least privilege and Zero Trust principles.
• Manage site-to-site and remote-access VPNs, encrypted connectivity, and secure network communications.
• Perform advanced L3 troubleshooting across firewall, routing, VPN, connectivity, policy, and security integration issues.
• Integrate network security technologies with SIEM, SOAR, threat intelligence, IAM, EDR/XDR, and other security platforms.
• Support SOC/MDR teams during investigations involving network threats, suspicious traffic, intrusion attempts, lateral movement, and security incidents.
• Review and optimize security policies, rules, and configurations to improve protection and reduce unnecessary exposure.
• Support platform upgrades, migrations, high-availability configurations, health monitoring, and performance optimization.
• Maintain technical documentation covering configurations, policies, network security architecture, integrations, and operational procedures.

Required Experience

• 6 years of cybersecurity/network security experience, including strong hands-on network security engineering and administration.
• Strong experience with enterprise firewall technologies such as Palo Alto Networks, Fortinet FortiGate, Check Point, Cisco Firepower/FTD, or equivalent.
• Hands-on experience with NGFW, IDS/IPS, VPN, NAT, network segmentation, security policies, and threat prevention.
• Strong understanding of TCP/IP, routing, switching, DNS, DHCP, VLANs, network protocols, and network security architecture.
• Experience troubleshooting complex firewall, VPN, routing, connectivity, and security policy issues.
• Experience integrating network security technologies with enterprise monitoring and cybersecurity platforms.
• Understanding of Zero Trust, least privilege, defense-in-depth, SOC/MDR operations, incident response, and MITRE ATT&CK.
• Experience with high-availability and resilient network security environments.
• Scripting or automation experience using Python, PowerShell, APIs, or equivalent is advantageous.

Preferred Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, Network Engineering, IT, or related discipline.
• Experience with WAF, NAC, secure web gateway/proxy, DNS security, or cloud network security.
• Experience supporting large enterprise SOC/MDR or managed security environments.
• UAE/GCC experience is advantageous.
• Certifications such as PCNSE, NSE/FCP/FCSS, CCNP Security, Check Point CCSA/CCSE, CISSP, Security , or equivalent are preferred.

Join DXC Technology and contribute to strengthening enterprise network security, resilience, and threat protection capabilities in the UAE.