Network Support Engineer

• *Job Description:**

Azure VM \& networking Deploying and managing VMs; VNets, NSGs, UDRs, peering, Azure Firewall, Load Balancer, VPN Gateway, ExpressRoute; troubleshooting with Network Watcher

Linux networking ip/iproute2, routing tables, iptables/nftables, VLANs, bridges, GRE/VXLAN tunnels, tcpdump, basic scripting (Bash or Python)

Routing protocols Strong BGP (eBGP/iBGP, attributes, route maps, communities, path selection); OSPF; EIGRP/IS\-IS exposure; static and policy\-based routing

IPsec / VPN IKEv1/IKEv2, site\-to\-site and route\-based VPNs, crypto parameters, NAT\-T, troubleshooting tunnel negotiation

SD\-WAN Hands\-on with at least one platform (e.g. Cisco Catalyst SD\-WAN, Fortinet, VMware VeloCloud, Versa); overlay, policies, application\-aware routing (SLA\-based path selection, DPI app identification), failover

4G / 5G Cellular WAN integration, APN configuration, signal metrics (RSRP, RSRQ, SINR), private APN and failover design; configuring and troubleshooting 4G/5G routers , dual\-SIM failover

Wi\-Fi 802\.11ac/ax, RF planning, site surveys, controller\-based and cloud\-managed WLANs, 802\.1X/RADIUS

Core networking TCP/IP, subnetting, VLANs, STP, NAT, DNS, DHCP, QoS, packet capture and analysis (Wireshark)

IDS/IPS \& firewalls IDS/IPS with Suricata or Snort (rule tuning, alert triage); next\-gen firewall policy, NAT and UTM configuration (e.g. Fortinet, Palo Alto, pfSense/OPNsense)

OpenWrt Configuring and hardening OpenWrt routers and firewalls: UCI, firewall zones (fw4/nftables), mwan3 multi\-WAN, IPsec/WireGuard VPN, firmware upgrades and packages **Communication and customer skills*** + Excellent spoken and written English; able to explain complex network issues to both engineers and non\-technical stakeholders.

+ Confident leading customer calls, workshops and bridge calls during outages.

+ Strong customer handling: sets clear expectations, manages escalations calmly and follows through to closure.

+ Writes clean, structured emails, status updates, designs and RCA reports.

+ Ownership mindset, good time management and the ability to juggle multiple customers and priorities.