Senior Network & Firewall Engineer (L3)

Job Title: Senior Network & Firewall Engineer (L3)Location: DubaiExperience10+ years of hands-on experience in enterprise networking, security, deployment, migration, and troubleshooting.Cisco CCIE Enterprise mustJob SummaryWe 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, EtherChannel/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 SkillsNetworking
• 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 troubleshootingFirewalls & Security
• Cisco Firepower
• Fortinet FortiGate
• 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 practicesDeployment & 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 migrationsPreferred 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 simultaneouslyPreferred Experience
• Enterprise Data Centers
• Banking
• Government
• Healthcare
• Telecom
• Large Campus Networks
• Managed Services
• Cloud connectivity (AWS, Azure, OCI)
• Hybrid network environmentsEmployment LevelSenior Engineer (L3)Reporting To: Network & Security Practice Manager / Infrastructure Manager