Senior Network Security Engineer - F5/Firewall

Intertec Softwares; Dubai; On-site; AED 120,000 - 200,000; Full time

Job summary

A leading company in Dubai is seeking a Senior Network Engineer to oversee network architecture and security. The role involves planning, implementing upgrades, and managing firewalls and load balancers to ensure high availability and security. Candidates should have significant experience in network management and disaster recovery.

Qualifications

• Experience in managing three-tier network architecture.
• Proficient in configuring firewalls and load balancers.
• Senior IC level experience required.

Responsibilities

• Planning and implementing network upgrades and migrations.
• Managing security policies and traffic shaping.
• Maintaining disaster recovery plans.

Skills

Network Architecture Management

Firewall Configuration

DNS Management

Load Balancer Management

Disaster Recovery Planning

Tools

F5 BIG-IP LTM

Cisco Wireless Controllers

Alto Firewall

Job description

Responsibilities (Includes All Tasks):

1. Planning, scheduling, and implementing network upgrades, implementations, and migrations for clients in a timely manner, during times that will have the least impact on users of the affected systems.
2. Developing and implementing the architecture and design of networks and network diagrams.
3. Managing three-tier network architecture, including core switches, distribution switches, access switches, leased lines, and MPLS links with high availability.
4. Configuring Alto Firewall in active and passive modes, managing security policies, QoS, NAT, sub-interfaces, aggregated interfaces, virtual routers, and zones.
5. Managing perimeter firewall with master/slave configuration, VDOM, IPsec VPN, SSL VPN with vendor-specific IP subnets, user integration with AD via LDAP, NAT configuration, and traffic shaping.
6. Managing Cisco Wireless Controllers 9800 with Active/Standby, all SSID integrated with ISE for 802.1X and vendor-specific access.
7. Configuring and managing DNS and DHCP pools.
8. Configuring and managing IPS.
9. Designing solutions and managing F5 BIG-IP LTM Load Balancer: creating VIPs, pools, persistence profiles, SSL profiles, SSL offloading, and iRules for high availability and network failover.
10. Configuring and managing F5 GTM devices for DNS solutions, syncing between data center (DC) and disaster recovery (DR) sites.
11. Creating and managing access policies in F5 APM for VPN traffic.
12. Maintaining disaster recovery plans for IT operations and participating in organizational and customer disaster recovery testing.

Required Experience:

Senior IC