Network Infrastructure Engineer

Tangent International is seeking an experienced SDN & SDS Network/Storage Engineer to manage and operate software-defined networking, enterprise networking and software-defined storage infrastructure supporting business-critical BSS applications.

The role requires strong hands‑on experience across SDN, enterprise LAN/WAN, network security and SDS technologies, ideally within a telecoms or similarly complex enterprise environment.

• Administer SDN environments including Cisco ACI, VMware NSX‑T, Open Daylight or equivalent platforms.
• Manage enterprise LAN switching and WAN routing infrastructure.
• Configure and support firewalls including Palo Alto, Fortinet and Juniper.
• Administer load‑balancing technologies including F5 and Nginx.
• Manage SDS platforms including Ceph, ScaleIO/Power Flex or equivalent.
• Configure VLANs, BGP, OSPF and network segmentation.
• Manage firewall policies, ACLs, NAT and VPN configurations.
• Monitor network bandwidth, latency, packet loss, availability, capacity and storage I/O.
• Troubleshoot L2 network and storage incidents.
• Perform network and storage capacity planning.
• Support disaster recovery and failover testing.
• Maintain network topology diagrams and storage documentation.
• Coordinate complex incident resolution and firmware upgrades with L3 teams and vendors.
• Execute infrastructure changes in accordance with Change Management processes.
• Support Open Stack networking and storage components including Neutron, Cinder and Manila.
• Use Ansible for network configuration and storage provisioning automation.

• 5–8 years' experience in IT network and storage administration.
• Strong SDN knowledge, ideally Cisco ACI, VMware NSX‑T or equivalent.
• Enterprise networking experience with Cisco, Juniper, Arista and/or HP equipment.
• Experience with Ceph, ScaleIO/Power Flex or equivalent SDS technologies.
• Strong understanding of VLANs, BGP and OSPF.
• Network security knowledge covering firewalls, IDS/IPS, VPNs and segmentation.
• Understanding of storage protocols including FC, iSCSI, NFS and S3.
• Strong troubleshooting capability across network and storage infrastructure.
• Good written and spoken English.

• Open Stack Neutron, Cinder and Manila.
• ELK‑based monitoring.
• Active Directory‑integrated network authentication.
• IAM/PAM security tooling.
• Commvault backup and storage integration.
• CCNP or equivalent networking certification.

This is an opportunity to work across a broad infrastructure stack supporting business‑critical BSS workloads, combining SDN, enterprise networking, security, software‑defined storage, Open Stack and automation technologies.