Senior Technical Support Engineer

Intertec Systems; Dubai; On-site; AED 180,000 - 240,000; Full time

Job summary

Intertec Systems in Dubai seeks a Senior Technical Support Engineer to design, implement, and support enterprise network and security infrastructure. The ideal candidate will have strong expertise in networking, security, and cloud technologies, ensuring highly available and scalable services.

The role requires 12+ years of experience, engineering degree, and proficiency in network architecture and security tools. Excellent troubleshooting and communication skills are also essential for this position.

Qualifications

• 12+ years of experience in technical support engineering.
• Strong expertise in managing and supporting network and security infrastructure.
• Hands-on experience with enterprise-level networking tools and technologies.

Responsibilities

• Plan and execute network upgrades with minimal business impact.
• Design and maintain enterprise network architecture.
• Provide L3 support and participate in a 24x7 support environment.

Skills

Routing & Switching (BGP, OSPF, EIGRP)

Hands-on experience with Palo Alto

Hands-on experience with FortiGate

Experience with Cisco Wireless

Experience with VMware NSX

Excellent troubleshooting skills

Education

Engineering Degree/Diploma (Computers/Electronics)

Tools

Cisco Catalyst

Infoblox

F5 BIG-IP

Job description

Job Title

Senior Technical Support Engineer

Job Purpose

We are seeking a Senior Network & Security Engineer to design, implement, manage, and support enterprise network and security infrastructure. The role requires expertise in networking, security, wireless, data center, and cloud technologies, ensuring highly available, secure, and scalable services in a 24x7 environment.

Qualification

Engineering Degree/Diploma (Computers / Electronics)

Experience

12+ years

Responsibilities

• Plan, schedule, and execute network upgrades, implementations, and migrations with minimal business impact.
• Design, maintain enterprise network architecture, topology diagrams, and technical documentation.
• Manage Spine-Leaf and Three-Tier network architectures, including Core, Distribution, and Access layers.
• Configure and support WAN connectivity, MPLS, leased lines, and high-availability network solutions.
• Administer Palo Alto and FortiGate firewalls, including HA, VPNs, NAT, QoS, security policies, and traffic management.
• Deploy and manage Cisco Catalyst 9800 Wireless Controllers, Cisco ISE, and 802.1X authentication.
• Configure and maintain Cisco DNA Center (DNAC), SDA Fabric, Cisco ACI, and VMware NSX environments.
• Manage VMware vSphere and VMware Cloud Director (VCD) infrastructure.
• Administer Infoblox DNS, DHCP, and IPAM services.
• Configure and support Cisco IPS solutions.
• Design, implement, and manage F5 BIG-IP LTM, GTM, and APM solutions.
• Develop and support Disaster Recovery (DR) and Business Continuity plans.
• Provide L3 support, troubleshooting, root‑cause analysis, and participate in a 24x7 support environment.

Mandatory

• Strong expertise in Routing & Switching (BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP).
• Hands‑on experience with Palo Alto and FortiGate firewalls.
• Experience with Cisco Wireless, Cisco ISE, DNAC, SDA, and ACI.
• Knowledge of VMware NSX, vSphere, and VCD.
• Experience managing Infoblox DNS/DHCP/IPAM.
• Expertise in F5 LTM, GTM, and APM technologies.
• Strong understanding of network security, VPNs, load balancing, and high‑availability solutions.
• Excellent troubleshooting, documentation, and communication skills.
• Strong problem‑solving and analytical skills.
• Excellent communication and documentation skills.
• Effective stakeholder and customer management.
• Ability to work independently and in teams.
• Strong time management and multitasking abilities.