Network Engineer (security)

Gibraltar Technologies LLC; United Arab Emirates; On-site; AED 120,000 - 160,000; Full time

Job summary

A leading company in the UAE is seeking a skilled Network Security Engineer to secure and implement network solutions. The ideal candidate will have hands-on experience with firewalls, load balancers, and virtualization technologies. This role involves collaborating with teams to integrate infrastructure securely and participating in incident response.

Qualifications

• 5+ years of experience in enterprise networking and security.
• Hands-on experience with three or more security technologies.

Responsibilities

• Configure and manage enterprise firewalls.
• Design and support F5 Load Balancer implementations.
• Deploy and optimize VMware NSX for network virtualization.

Skills

Network Security

Problem Resolution

Collaboration

Education

Bachelor's degree in Computer Science

Bachelor's degree in Network Engineering

Tools

Firewalls

F5 Load Balancer

VMware NSX

Cisco ACI

AVI Networks

Job description

We are seeking a skilled and experienced Network Security Engineer with deep hands-on knowledge of network infrastructure and security technologies, specifically Firewalls, F5 Load Balancers, VMware NSX, Cisco ACI, and AVI Networks (now part of VMware). The ideal candidate will play a critical role in securing, designing, implementing, and supporting network and security solutions across enterprise environments.

Key Responsibilities:

• Configure, manage, and troubleshoot enterprise firewalls (e.g., Palo Alto, Fortinet, Cisco ASA/FTD).
• Design and support F5 Load Balancer implementations including LTM, GTM, SSL offloading, and iRules.
• Deploy, operate, and optimize VMware NSX for network virtualization and microsegmentation.
• Administer and monitor Cisco ACI fabric, policies, and application profiles.
• Implement and manage AVI Networks load balancing and service mesh in virtualized and container environments.
• Collaborate with network, cloud, and security teams to integrate infrastructure securely.
• Participate in incident response, troubleshooting, and problem resolution.
• Maintain detailed technical documentation and ensure configuration consistency.
• Assist with the automation and optimization of networking and security processes.

Qualifications:

• Bachelor's degree in Computer Science, Network Engineering, or a related field.
• 5+ years of experience in enterprise networking and security.
• Hands-on experience with at least three or more of the following:
• Firewalls (Palo Alto, Fortinet, Cisco ASA, etc.)
• F5 (LTM, GTM, AFM, APM modules)
• VMware NSX (NSX-V or NSX-T)
• Cisco ACI (fabric configuration, tenants, contracts, EPGs)
• AVI Networks (load balancing, application delivery)
• Strong understanding of Layer 2/3 networking, security zones, NAT, VPNs, and routing protocols.
• Familiarity with automation tools (Ansible, Terraform) and scripting (Python, Bash) is a plus.
• Relevant certifications (e.g., CCNP Security, PCNSE, F5-CTS, VCP-NV, or NSX/ACI certifications) are highly desirable.