Senior Network Engineer
BlackStone eIT
Role: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
Manage and troubleshoot Cisco and HPE Aruba network infrastructure, including BGP, OSPF, Static Routing, MPLS, VLANs, VRF, and Layer 2/Layer 3 technologies
Configure and maintain core switches, including Aruba VSX/VSF, stacking, redundancy, and high-availability solutions
Manage Aruba Wireless LAN Controllers (WLC), access points, SSIDs, and enterprise wireless networks
Administer Aruba ClearPass Network Access Control (NAC), including 802.1X, RADIUS, TACACS+, and integration with Microsoft Azure AD and Intune
Configure and manage FortiGate and Palo Alto firewalls, including security policies, NAT, SNAT, DNAT, IPsec VPN, and SSL VPN
Implement and maintain SD-WAN solutions, WAN connectivity, routing policies, link monitoring, failover, and traffic optimization
Manage inter-site connectivity using MPLS and site-to-site VPN tunnels, ensuring secure and reliable communication between multiple locations
Administer DNS, DHCP, IP addressing, and other essential network services
Monitor network performance, bandwidth utilization, device availability, firewall logs, WAN links, and security events
Implement IP SLA, network redundancy, high availability, and proactive monitoring to minimize downtime
Troubleshoot complex network connectivity issues and coordinate with Etisalat, FEDNet, and other service providers
Perform network changes, configuration backups, firmware upgrades, preventive maintenance, and technical documentation
Respond to network incidents, perform root-cause analysis, and implement corrective and preventive actions
Design and maintain secure connectivity with government networks and third-party organizations through FEDNet, MPLS, and site-to-site VPN technologies
Requirements
Hands-on experience in enterprise routing, switching, network security, and multi-site connectivity
Strong knowledge of Cisco and Aruba networking technologies
Practical experience with FortiGate and Palo Alto firewalls, VPNs, NAT, and SD-WAN
Knowledge of wireless networking, NAC, DNS, DHCP, network monitoring, and troubleshooting
Understanding of cloud networking and hybrid infrastructure
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
Ability to work with enterprise network environments and troubleshoot complex connectivity issues
Experience coordinating with telecom providers and managing multi-site network services
Commitment to network availability, security best practices, and continuous improvement