Network Security Engineer (L3)

We are seeking a skilled L3 Network Security Engineer to join a UAE-based client’s team, working in a hybrid mode from Lahore, Karachi, or Islamabad. The ideal candidate will have over five years of experience managing and supporting enterprise network security environments. This role demands strong hands-on expertise in advanced network security technologies, incident resolution, security architecture, and operational support. The engineer will handle complex security incidents, design secure network architectures, optimize firewall and security platforms, and collaborate with various stakeholders to maintain and enhance the security posture of the organization.

Key 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, including Palo Alto, FortiGate, Check Point, and others.
- Manage and troubleshoot F5 security and application delivery environments, including WAF technologies.
- Support IPS/IDS and DDoS protection and mitigation activities.
- Oversee enterprise proxy and secure internet access solutions such as Zscaler, Forcepoint, or equivalents.
- Support MFA, VPN token solutions, Cisco ISE/NAC, and remote access security environments.
- Design and review secure network architectures, including high-level and low-level designs (HLD/LLD), high availability, redundancy, segmentation, and security controls.
- Conduct firewall policy reviews, rule implementations, configuration changes, migrations, and security hardening.
- Troubleshoot complex VPN, firewall, authentication, network security, and connectivity issues.
- Support WAF and application security requirements.
- Work with endpoint security technologies such as EDR, DLP, Trellix, McAfee, or equivalent solutions.
- Assist in vulnerability assessments, security posture improvements, and remediation efforts.
- Follow ITSM processes for incident, problem, change, and service request management.
- Maintain technical documentation, configuration records, troubleshooting procedures, and knowledge base articles.
- Coordinate with internal teams, vendors, and client stakeholders for incident resolution and security infrastructure changes.
- Participate in security projects, technology upgrades, migrations, and implementation activities.
- Ensure compliance with ITIL, security, compliance, and change-management processes.
- Provide technical guidance to L1/L2 teams and support knowledge transfer as needed.

Required Qualifications

- Minimum 5 years of professional experience in Network Security, Cybersecurity, or Security Operations.
- Proven hands-on experience in L3-level network security support and troubleshooting.
- Strong expertise with enterprise firewall technologies such as Palo Alto, FortiGate, and Check Point.
- Experience in security architecture, network design, HLD/LLD documentation, and managing high-availability environments.
- Solid understanding of TCP/IP, routing, switching, VPN, DNS, network segmentation, and security principles.
- Demonstrated ability to handle complex security incidents and escalations effectively.
- Experience working in enterprise, banking, telecom, government, ISP, or managed security environments is preferred.
- Excellent communication and stakeholder management skills.
- Willingness and ability to collaborate with UAE-based client teams and support business hours aligned with UAE time zones when required.

Preferred Qualifications and Certifications

- Palo Alto PCNSE certification
- Fortinet NSE / FCP certifications
- Check Point certifications
- Cisco CCNP Security
- ITIL Foundation
- Other relevant cybersecurity or network security certifications

Key Competencies

- Advanced troubleshooting and analytical skills
- Network security architecture and design expertise
- Incident and problem resolution capabilities
- Security operations and infrastructure management
- Change and configuration management proficiency
- Strong documentation and technical reporting skills
- Effective client communication and stakeholder management
- Ability to work independently at an L3 level with strong ownership of critical incidents and escalations

This position offers an opportunity to work on cutting-edge security technologies within a dynamic enterprise environment, supporting a high-profile UAE-based client. The role requires a proactive and technically proficient professional who thrives in complex security operations and infrastructure management.