Senior Network & Security Engineer

Senior Network & Security Engineer

We are looking for an experienced Sr. Network & Security Engineer to take ownership of enterprise network and security infrastructure across a multi-vendor environment.

The role combines hands-on engineering, security operations, network optimization and infrastructure transformation. The ideal candidate will have strong experience with enterprise firewalls, routing and switching, VPN technologies, high-availability environments and large-scale migration projects.

You will play a key role in maintaining a secure, resilient and high-performing network environment while driving technology refresh and migration initiatives.

Key Responsibilities:

Network & Firewall Security

• Manage, configure and optimize enterprise firewall and security platforms across Palo Alto, FortiGate, Cisco FTD/ASA and Check Point.
• Configure and manage Palo Alto GlobalProtect VPN, including Gateway/Portal, Active Directory and SAML integrations.
• Administer FortiGate Site-to-Site VPN, security policies, security profiles, NAT, routing, HA and firmware upgrades.
• Manage Cisco FTD/ASA environments, including ACLs, access policies, IPS, DNS filtering, AMP, Security Intelligence and HA.
• Manage Check Point perimeter and core firewall environments, including security policies and remote-access VPN.
• Troubleshoot complex network and security issues and drive issues through to resolution.

Routing, Switching & Network Infrastructure

• Manage enterprise Cisco Catalyst and Nexus switching environments.
• Work with technologies including VLANs, STP, EtherChannel/Port Channel, StackWise, VPC, ACLs and Port Security.
• Configure and optimize FortiGate WAN and SD-WAN environments, including interfaces, zones, policies and WAN links.
• Perform advanced troubleshooting across routing, switching, firewall and connectivity layers.
• Support network resilience and high-availability design across critical infrastructure.

Migration & Transformation

• Lead or contribute to major network transformation initiatives, Example:
  • Check Point → FortiGate migrations
  • Cisco ASA → Cisco FTD migrations
  • Network and switch hardware refresh projects
  • Firewall and network architecture enhancements
• Develop migration strategies, implementation plans, rollback plans and execution procedures.
• Coordinate technical activities with internal teams, vendors and stakeholders to ensure controlled and low-risk changes.

Monitoring & Operational Management

• Manage network monitoring through SolarWinds, OpManager, Site24x7, PRTG, Zabbix, NewRelic, including node management, polling, alerts and device backups.
• Monitor network health, performance and availability and proactively identify potential issues.
• Participate in incident resolution, problem management and infrastructure improvement initiatives.
• Follow structured Change Management, Incident Management and operational processes.
• Carry out Preventive Maintenance

Documentation & Governance

• Create and maintain accurate network topology diagrams and architecture documentation.
• Develop Change Requests (CRs), migration plans, rollback plans and SOPs.
• Ensure network and security configurations are properly documented and kept current.
• Maintain documentation required for operational continuity, audits and knowledge transfer.

 

Essential Technical Experience

• Strong hands-on experience with multiple enterprise firewall platforms, preferably:
  • Palo Alto Networks
  • Fortinet FortiGate
  • Cisco FTD / ASA
  • Check Point
• Strong experience with Cisco Catalyst and Nexus switching.
• Practical knowledge of:
  • VLANs, STP, VPC, StackWise and EtherChannel
  • ACLs and network segmentation
  • Routing and NAT
  • VPN technologies
  • High Availability
  • SD-WAN
• Hands-on experience with FortiGate SD-WAN and WAN configuration.
• Experience with SolarWinds or comparable enterprise NMS platforms.
• Proven experience delivering firewall migrations, network refreshes and infrastructure transformation projects.
• Strong troubleshooting and analytical skills.
• Good understanding of structured Change Management and IT Service Management practices.
• Strong technical documentation and communication skills.

 

Education & Certifications (Preferred):

• Bachelor’s degree in Computer Science, Information Technology, or Cybersecurity.
• CCNP Enterprise / CCNP Security
• Palo Alto PCNSE
• Fortinet NSE 4 / NSE 7
• Equivalent hands-on experience and expertise will also be considered.

Driving License:

• Valid UAE Driving License is mandatory.
• Own vehicle is preferred, particularly for occasional travel to client sites or project locations.
• Willingness to travel within the UAE when required.

Languages:

English.