Senior Network Engineer

Company DescriptionGlobal Digital Management Solutions (GDMS), founded in Singapore in 2019, specializes in sovereign cloud solutions for sensitive industries such as government and finance. We provide a wide range of public and private cloud services, as well as shared hosting and dedicated server solutions to businesses across various sectors. Our cloud computing services are located in the countries where we operate, including Myanmar, Laos, Cambodia, and Congo, ensuring data remains local. Our mission is to support digital transformation projects by offering fast and secure local cloud infrastructure to both public and private sectors.Role SummaryThe Network Engineer will be responsible for the operation and implementation of multi-site network infrastructure supporting datacenter, telecom, and cloud environments. The role involves managing routing, switching, and security across core, edge, and virtualized network layers. You will ensure reliable IP connectivity through disciplined operations, structured change management, and continuous improvement. Experience in telecom, datacenter, or cloud network infrastructure is required. Familiarity with SDN (NSX) and VoIP technologies is a plus. Key ResponsibilitiesOperate, monitor, and improve multi-homed IP edge networks using eBGP for peering and transit. Implement routing policies using communities, local-preference, AS-path prepending, and prefix filtering.Configure and troubleshoot IGP (OSPF) routing within datacenter and enterprise environments.Manage Layer 2 infrastructure, including VLANs, trunking, VPC, Spanning Tree Protocol (STP), link aggregation, and redundancy design.Operate and maintain Cisco Nexus, Huawei, Fortinet, and VyOS platforms across core, distribution, and access layers.Support firewall and edge security with Fortinet or equivalent platforms: policies, NAT, VPNs, HA clustering.Provide basic SDN (NSX) operational support and troubleshooting for connectivity, routing, and distributed firewall rules within existing deployments.Support VoIP/SIP gateways and SBCs: troubleshoot signaling, routing, and QoS issues.Implement and validate changes through defined MOPs, ensuring rollback and minimal downtime.Participate in network expansion, capacity upgrades, and integration projects across datacenter and cloud platforms.Maintain network documentation (diagrams, IP addressing, change logs) and update monitoring dashboards.Collaborate with the systems, security, and operations teams to ensure alignment between physical and virtual networks. Required Qualifications4–8 years of hands-on experience in telecom, datacenter, or enterprise network environments.Strong knowledge of BGP and OSPF, including route filtering, redistribution, and troubleshooting.Practical experience with Layer 2 technologies such as VPC, STP, EtherChannel/LACP, and VLAN design.Hands-on experience with Cisco (IOS/NX-OS) and/or Huawei VRP switching and routing platforms.Experience with Fortinet firewalls for VPNs, security policies, and HA configuration.Familiar with VyOS, FRRouting, or equivalent open networking stacks.Knowledge of VoIP/SIP gateway operation, SBCs, and QoS policies for voice traffic.Working knowledge of network monitoring tools (Zabbix, Grafana, or similar).Strong troubleshooting and analytical skills. Nice to HaveExperience with VMware NSX for basic operations and troubleshooting (segments, DFW/GWFW, routing).Exposure to MPLS, SD-WAN, or cloud interconnect architectures.Experience with scripting or automation (Python, Ansible).Certifications such as CCNP, HCIP, NSE 4+, or VCP-NV. Working StyleMethodical and pragmatic, focused on operational stability and continuous improvement.Strong communication skills for coordination with system, security, and application teams.Committed to clear documentation, structured changes, and disciplined troubleshooting.