Senior Network and Security Engineer

Business Umbrella; Abu Dhabi; On-site; AED 120,000 - 150,000; Full time

Job summary

A leading company in Abu Dhabi seeks an experienced Network and Security Engineer to design and manage complex infrastructures. The ideal candidate will lead Cisco ACI deployments, implement Fortinet solutions, and ensure high availability and performance of systems. Strong documentation and analytical skills are essential, along with CCIE and Fortinet certifications.

Qualifications

• 7+ years of experience in enterprise network and security engineering.
• Hands-on experience with Cisco ACI, SDA, DNAC, and ISE required.

Responsibilities

• Design, implement, and manage complex network and security infrastructures.
• Lead Cisco ACI fabric deployments and policy configuration.
• Troubleshoot complex network and security issues.

Skills

Analytical

Communication

Documentation

Education

CCIE (Data Center / Routing & Switching / Security)

Fortinet NSE 4 or above

Juniper certification

Tools

Cisco ACI

Cisco SDA

DNAC

Cisco ISE

Fortinet solutions

Job description

Design, implement, and manage complex network and security infrastructures, covering routing, switching, wireless, and security.

Lead Cisco ACI fabric deployments, policy configuration, and integration with L4–L7 services.

Deploy and manage Cisco SDA environments using DNAC for automation, assurance, and policy-based segmentation.

Configure and maintain Cisco ISE for network access control and policy enforcement.

Implement and support Fortinet solutions, including FortiGate firewalls, FortiSwitch, and FortiManager.

Troubleshoot complex network and security issues across multi-vendor environments.

Ensure high availability, performance tuning, and scalability of network and security systems.

Maintain up-to-date documentation, including network diagrams, HLD / LLD, SOPs, and operational runbooks.

Requirements

• CCIE (Data Center / Routing & Switching / Security) – Required
• Fortinet NSE 4 or above – Required
• Hands-on experience with Cisco ACI, SDA, DNAC, and ISE – Required
• Juniper certification – Advantage
• Strong knowledge of routing protocols (BGP, OSPF, EIGRP), Layer 2 / 3 technologies, network segmentation, VPN, and QoS.
• 7+ years of experience in enterprise network and security engineering.
• Experience with network automation and monitoring tools is a plus.
• Strong analytical, communication, and documentation skills.