Senior Network Engineer

Blackstone eIT; Ajman; Presencial; AED 180.000 - 280.000; Jornada completa

Descripción de la vacante

Blackstone eIT in the United Arab Emirates seeks an experienced Enterprise Network Engineer to design, implement, secure, and optimize complex networks across multiple sites and cloud environments.

You will manage Cisco and Aruba infrastructure, deploy SD-WAN, firewalls, NAC, and ensure high availability, performance and secure connectivity. Candidates should have hands-on experience with FortiGate, Palo Alto, and Aruba ClearPass, and be capable of coordinating with service providers as needed.

Formación

• Design, implement, secure and troubleshoot enterprise networks across sites and cloud environments.
• Experience with Cisco/Aruba networking incl. BGP, OSPF, MPLS, VLANs, VRF.
• Configure core Aruba switches with HA and redundancy.
• Manage Aruba WLCs, APs, SSIDs and enterprise wireless networks.
• Administer NAC (ClearPass) incl. 802.1X, RADIUS, TACACS+ and Azure AD/Intune.
• Configure FortiGate and Palo Alto firewalls, NAT, VPNs, and security policies.
• Implement SD-WAN, WAN connectivity, routing policies and failover.
• Inter-site MPLS and site-to-site VPN for multi-site connectivity.
• Manage DNS, DHCP, IP addressing and related services.
• Monitor performance, logs, WAN links and security events.
• IP SLA, high availability and proactive monitoring.

Responsabilidades

• Design, implement and secure network infrastructure across sites and cloud environments.
• Troubleshoot complex connectivity issues and work with service providers.
• Maintain documentation and change management for network changes.
• Coordinate with telecom providers for multi-site services.

Conocimientos

Enterprise networking

Cisco networking

Aruba networking

FortiGate firewall

Palo Alto firewall

SD-WAN

VPNs

WLAN/WiFi

NAC (ClearPass)

DNS/DHCP/IPAM

Educación

Cisco CCNA

Cisco CCNP Enterprise

Fortinet NSE 4-7

Palo Alto PCNSA

Azure Fundamentals AZ-900

Herramientas

Aruba VSX/VSF

MPLS

BGP/OSPF

Aruba WLC & APs

VPN tunnels

Descripción del empleo

Job Summary

Responsible for designing, implementing, managing, securing, and troubleshooting enterprise network infrastructure, ensuring high availability, performance, and secure connectivity across multiple sites and cloud environments.

Key Responsibilities

1. Manage and troubleshoot Cisco and HPE Aruba network infrastructure, including BGP, OSPF, Static Routing, MPLS, VLANs, VRF, and Layer 2/Layer 3 technologies.
2. Configure and maintain core switches, including Aruba VSX/VSF, stacking, redundancy, and high-availability solutions.
3. Manage Aruba Wireless LAN Controllers (WLC), access points, SSIDs, and enterprise wireless networks.
4. Administer Aruba ClearPass Network Access Control (NAC), including 802.1X, RADIUS, TACACS+, and integration with Microsoft Azure AD and Intune.
5. Configure and manage FortiGate and Palo Alto firewalls, including security policies, NAT, SNAT, DNAT, IPsec VPN, and SSL VPN.
6. Implement and maintain SD-WAN solutions, WAN connectivity, routing policies, link monitoring, failover, and traffic optimization.
7. Manage inter-site connectivity using MPLS and site-to-site VPN tunnels, ensuring secure and reliable communication between multiple locations.
8. Administer DNS, DHCP, IP addressing, and other essential network services.
9. Monitor network performance, bandwidth utilization, device availability, firewall logs, WAN links, and security events.
10. Implement IP SLA, network redundancy, high availability, and proactive monitoring to minimize downtime.
11. Troubleshoot complex network connectivity issues and coordinate with Etisalat, FEDNet, and other service providers.

1. Perform network changes, configuration backups, firmware upgrades, preventive maintenance, and technical documentation.
2. Respond to network incidents, perform root-cause analysis, and implement corrective and preventive actions.
3. Design and maintain secure connectivity with government networks and third-party organizations through FEDNet, MPLS, and site-to-site VPN technologies.

1. Hands-on experience in enterprise routing, switching, network security, and multi-site connectivity.
2. Strong knowledge of Cisco and Aruba networking technologies.
3. Practical experience with FortiGate and Palo Alto firewalls, VPNs, NAT, and SD-WAN.
4. Knowledge of wireless networking, NAC, DNS, DHCP, network monitoring, and troubleshooting.
5. Understanding of cloud networking and hybrid infrastructure.
6. Strong analytical, troubleshooting, documentation, and incident-management skills.

Preferred Professional Certifications

Networking

• Cisco CCNA
• Cisco CCNP Enterprise

Network Security

• Fortinet NSE 4-7 or equivalent current Fortinet certifications
• Palo Alto Networks PCNSA or equivalent current certification

HPE Aruba Networking

• Aruba Switching and Campus Access certifications at Associate or Professional level
• Aruba ClearPass and Wireless Networking certifications are an advantage

Cloud Networking

• Microsoft Certified: Azure Fundamentals (AZ-900)

Additional Requirements

1. Ability to work with enterprise network environments and troubleshoot complex connectivity issues.
2. Experience coordinating with telecom providers and managing multi-site network services.
3. Commitment to network availability, security best practices, and continuous improvement.