Senior Network & Firewall Engineer

E-Solutions; Dubai; On-site; AED 240,000 - 420,000; Full time

Job summary

E-Solutions in Dubai is seeking a Senior Network & Firewall Engineer (L3) to design, deploy, migrate, and optimize enterprise network and security infrastructures across multi-vendor environments including Cisco, Huawei, Fortinet, and Palo Alto.

The role leads complex migrations, provides L3 technical support, and mentors junior engineers while ensuring security best practices and high availability in mission-critical networks.

Qualifications

• 10+ years of hands-on experience in enterprise networking, security, deployment, migration, and troubleshooting.
• Deep expertise in multi-vendor environments (Cisco, Huawei, Fortinet, Palo Alto).
• Experience leading complex implementation and migration projects.

Responsibilities

• Design, implement, and maintain enterprise LAN, WAN, Data Center, and Campus networks.
• Deploy, configure, and troubleshoot Cisco, Huawei, Fortinet, and Palo Alto network and security solutions.
• Lead network transformation, refresh, migration, and greenfield deployments.
• Perform firewall policy creation, NAT configuration, VPN implementation, routing, and security hardening.
• Plan and execute migration activities with minimal downtime.
• Configure dynamic routing protocols: OSPF, BGP, EIGRP, and static routing.
• Ensure high availability for firewalls and core infrastructure.
• Manage L2/L3 switching: VLANs, STP, EtherChannel/LACP, VRRP/HSRP, MLAG.
• Support SD-WAN, IPSec/VPN, SSL VPN, Remote Access VPN, and site-to-site connectivity.
• Perform performance analysis, capacity planning, and root-cause analyses.

Skills

Cisco Routing & Switching

Huawei Enterprise Switching

Cisco Catalyst & Nexus

VLANs & STP

OSPF/BGP/EIGRP

HA/VRRP-HSRP

VPN Technologies

Monitoring & Troubleshooting

Tools

Cisco Firepower

Fortinet FortiGate

Palo Alto Firewalls

Huawei Technologies

SSL VPN

Job description

Job Title: Senior Network & Firewall Engineer (L3) Location: Dubai

Experience

10+ years of hands-on experience in enterprise networking, security, deployment, migration, and troubleshooting.

Job Summary

We are seeking an experienced L3 Network & Firewall Engineer responsible for designing, deploying, migrating, optimizing, and supporting enterprise network and security infrastructures. The ideal candidate should possess deep expertise in Cisco, Fortinet, Palo Alto, Huawei, and multi-vendor networking environments. The role requires leading complex implementation and migration projects while providing Level-3 technical support for mission-critical environments.

Key Responsibilities

• Design, implement, and maintain enterprise LAN, WAN, Data Center, and Campus network infrastructures.
• Deploy, configure, and troubleshoot Cisco, Huawei, Fortinet, and Palo Alto network and security solutions.
• Lead network transformation, refresh, migration, and greenfield deployment projects.
• Perform firewall policy creation, NAT configuration, VPN implementation, routing, and security hardening.
• Plan and execute network migration activities with minimal downtime.
• Configure and troubleshoot dynamic routing protocols including OSPF, BGP, EIGRP, and static routing.
• Implement high-availability solutions for firewalls and core network infrastructure.
• Manage Layer 2 and Layer 3 switching technologies including VLANs, STP, Ether Channel/LACP, VRRP/HSRP, and MLAG where applicable.
• Support SD-WAN, IPSec VPN, SSL VPN, Remote Access VPN, and site-to-site connectivity.
• Perform network performance analysis, capacity planning, and root cause analysis for complex incidents.
• Lead technical discussions with customers, vendors, and internal project teams.
• Create High-Level Design (HLD), Low-Level Design (LLD), Method of Procedure (MOP), rollback plans, and as-built documentation.
• Provide L3 operational support and mentor junior network engineers.
• Ensure network security compliance and adherence to organizational standards and best practices.

Required Technical Skills

Networking

• Cisco Routing & Switching
• Huawei Enterprise Switching
• Cisco Catalyst & Nexus platforms
• VLANs, STP, RSTP, MSTP
• OSPF, BGP, EIGRP
• VRRP, HSRP
• MPLS
• QoS
• Multicast
• DHCP, DNS
• IPv4 & IPv6
• Network monitoring and troubleshooting

Firewalls & Security

• Cisco Firepower
• Fortinet Forti Gate
• Palo Alto Networks Firewalls
• Security Policies
• NAT
• IPS/IDS
• Application Control
• URL Filtering
• SSL Inspection
• IPSec VPN
• SSL VPN
• High Availability (HA)
• Security hardening and best practices

Deployment & Migration

• Enterprise network migration
• Firewall migration (Cisco, Fortinet, Palo Alto)
• Data Center migration
• Branch rollout
• Network refresh projects
• Change management
• Cutover planning
• Rollback planning
• Zero/Minimal downtime migrations

Preferred Certifications

• Cisco CCIE Enterprise must
• Fortinet NSE 4/5/7 or Fortinet Certified Professional/Expert
• Palo Alto PCNSE
• Huawei HCIP/HCIE
• ITIL Foundation (preferred)

Soft Skills

• Excellent troubleshooting and analytical skills
• Strong customer-facing communication
• Ability to work under pressure during critical migrations
• Technical leadership and mentoring capabilities
• Strong documentation and presentation skills
• Ability to manage multiple projects simultaneously

Preferred Experience

• Enterprise Data Centers
• Banking
• Government
• Healthcare
• Telecom
• Large Campus Networks
• Managed Services
• Cloud connectivity (AWS, Azure, OCI)
• Hybrid network environments

Employment Level

Senior Engineer (L3)

Reporting To

Network & Security Practice Manager / Infrastructure Manager