Senior L3 Network Admin– Security, Cloud & Enterprise Networks

ASIAN GLOBAL INFOTECH IT CONSULTANCY CO. L.L.C; Dubai; On-site; AED 480,000 - 720,000; Full time

Job summary

ASIAN GLOBAL INFOTECH IT CONSULTANCY CO. L.L.C is seeking a Senior Network Architect with 8–10 years of enterprise experience to own network and security architectures for large-scale environments in the UAE. You will review HLDs/LLDs, drive cloud networking (Azure) and WAN optimization, and lead multi-vendor security reviews including Palo Alto and Cisco FTD.

Strong leadership and mentoring are essential. The role requires CCIE certification, deep expertise in BGP/OSPF, SD-WAN, DNS/DHCP, and

Qualifications

• Has 8–10 years of enterprise network engineering experience with senior ownership.
• Expert-level CCIE Enterprise Infrastructure or Security is mandatory.
• Hands-on expertise with Palo Alto Firewalls and network segmentation/Zero Trust architecture.
• Strong knowledge of Cisco FTD, DNAC, ISE and Wireless LAN Controllers.
• Advanced knowledge of Azure networking and hybrid cloud connectivity.
• Proficient in BGP, OSPF, SD-WAN, DNS/DHCP and enterprise network services.

Responsibilities

• Lead architecture-level reviews of network designs, HLDs and LLDs for complex solutions.
• Act as technical authority for multi-vendor network architecture decisions.
• Drive incident bridges, service restoration and long-term improvements to availability.
• Oversee firewall design and security reviews, including least-privilege access policies.
• Oversee SD-WAN, WAN optimization and critical network performance initiatives.
• Provide mentorship to L2/L3 engineers and influence change governance.

Skills

Networking expertise

Leadership

Troubleshooting

Stakeholder management

Education

CCIE Enterprise Infrastructure

Bachelor's degree in CS/IT/CE

PCNSE

AZ-700

F5 Certification

Tools

Palo Alto Firewalls

Cisco FTD

Cisco DNA Center

ISE

WLC

F5 Load Balancers

Job description

Provide architecture-level network support for enterprise and hybrid cloud environments Review validate and challenge High-Level Designs HLDs and Low-Level Designs LLDs for complex network and security solutions Drive network optimization scalability resiliency and performance improvements Act as the technical authority for multi-vendor network architecture decisions Serve as the final escalation point for business-critical and complex network incidents Lead critical incident bridges drive service restoration and minimize business impact Identify systemic issues and implement long-term improvements to network availability and stability Lead firewall architecture and security design reviews for Palo Alto and Cisco FTD environments Optimize firewall rule bases network segmentation and least-privilege access controls Drive the implementation of Zero Trust network architecture Ensure security controls align with enterprise security frameworks and compliance requirements Design and support Microsoft Azure networking including VNets routing UDRs NSGs VPN Gateway and hybrid connectivity Optimize cloud network performance security and availability Manage and optimize enterprise routing and switching using BGP and OSPF Oversee SD-WAN architecture and WAN performance optimization Govern enterprise DNS DHCP and other critical network services Provide expert support for Cisco DNA Center DNAC Cisco Identity Services Engine ISE and Cisco Wireless LAN Controllers WLC Oversee F5 Load Balancers including application delivery optimization and high-availability design Lead network capacity planning forecasting and performance management initiatives Ensure compliance configuration governance and audit readiness across network platforms Support internal and external audits by maintaining architecture documentation and evidence Chair or participate as a senior member of the Change Advisory Board CAB Review and approve high-risk network changes upgrades and migrations Mentor L2 L3 engineers and provide technical and architectural guidance

Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or a related field.8-10 years of experience in enterprise network engineering with senior L3 or network architect-level ownership.Proven experience managing and supporting large-scale, mission-critical enterprise network environments.Expert-level knowledge of CCIE Enterprise Infrastructure or Security (Mandatory).Hands-on expertise in Palo Alto Firewalls, including network segmentation and Zero Trust architecture.Strong experience with Cisco Firepower Threat Defense (FTD).Advanced knowledge of Microsoft Azure Networking (L3 level).Experience with Cisco DNA Center (DNAC), Cisco Identity Services Engine (ISE), and Cisco Wireless LAN Controllers (WLC).Hands-on experience managing F5 Load Balancers.Strong expertise in BGP, OSPF, SD-WAN, LAN/WAN, routing, and switching technologies.Solid understanding of DNS, DHCP, and enterprise network services.Excellent analytical, troubleshooting, leadership, and stakeholder management skills.

Preferred CertificationsCCIE - Enterprise Infrastructure or Security (Mandatory)Palo Alto Networks Certified Network Security Engineer (PCNSE)Microsoft Certified: Azure Network Engineer Associate (AZ-700)F5 Certified Administrator or F5 Certified SpecialistITIL® 4 Foundation Certification