Senior Network & Data Centre Architect / Technical Lead

Senior Network & Data Centre Architect / Technical Lead Location: Singapore Employment Type: Full-time / Contract Industry: Telecommunications, Enterprise Networking and Data Centre Infrastructure About the Role We are looking for an accomplished Senior Network & Data Centre Architect / Technical Lead to lead the architecture, design and delivery of complex carrier and enterprise data-centre network solutions. The successful candidate should have extensive hands-on experience with large-scale IP backbone networks, data-centre fabrics and multi-site connectivity. This position requires someone capable of combining solution architecture, technical leadership and project delivery while working closely with customers, engineering teams, vendors and product specialists across the Asia-Pacific region. Key Responsibilities Lead the architecture, design and delivery of large-scale carrier, enterprise and data-centre network projects. Design multi-site data-centre fabrics using technologies such as VXLAN EVPN, Cisco ACI, Nexus Dashboard and Data Centre Interconnect. Develop carrier-grade IP/MPLS backbone solutions involving Segment Routing, SR-TE, SRv6, MPLS VPN and traffic engineering. Assess existing network environments and develop suitable migration, transformation and optimisation strategies. Produce detailed technical documentation, including high-level and low-level designs, solution requirement documents, implementation plans, migration procedures, test plans and operational handover documents. Lead network deployment, migration and cutover activities while minimising operational and business risks. Provide technical leadership during implementation, testing, troubleshooting and post-deployment support. Validate interoperability between Cisco, Huawei and other third-party networking platforms. Work closely with customers, solution architects, project managers, product teams and R&D engineers to resolve complex technical issues. Lead technical workshops, design reviews and customer presentations. Guide and mentor network engineers while establishing consistent delivery standards and best practices. Identify opportunities to improve delivery efficiency through network automation and monitoring tools. Support project planning, resource coordination, risk management and stakeholder communication. Serve as the senior technical escalation point for critical network and data-centre issues. Requirements Bachelor’s degree in Computer Science, Information Technology, Telecommunications, Engineering or a related discipline. Approximately 12–15 years of relevant experience in network architecture, engineering and complex project delivery. Strong experience designing and delivering large-scale data-centre and carrier backbone networks. Deep technical knowledge of: Cisco Nexus platforms and NX-OS Cisco ACI and Nexus Dashboard VXLAN and EVPN Multi-site data-centre architecture and DCIBGP, OSPF and IS-ISMPLS and MPLS VPN Segment Routing, SR-TE and preferably SRv6Multicast, QoS and traffic engineering High availability, resiliency and network migration Experience delivering multi-vendor solutions, particularly across Cisco and Huawei platforms. Familiarity with public cloud, private cloud and hybrid-cloud networking. Proven experience developing architecture documents, detailed designs, migration plans and implementation procedures. Strong understanding of network automation and operational visibility tools; exposure to Python, APIs, Grafana or similar technologies is advantageous. Demonstrated ability to lead technical teams and deliver complex projects across multiple countries. Strong troubleshooting, analytical and problem-solving capabilities. Excellent written and spoken English, with the confidence to communicate with senior technical and business stakeholders. Ability to support scheduled after-hours migrations or critical cutovers when required. Preferred Qualifications Active or previously attained CCIE certification. Huawei HCIE certification or equivalent Huawei data-centre expertise. Cisco Data Centre, Service Provider or Enterprise Networking certifications. Experience supporting banks, government agencies, telecommunications providers or other mission-critical environments. Experience with large-scale APAC network transformation projects. Knowledge of Huawei Cloud Data Centre architecture. Experience engaging directly with product engineering or R&D teams. Ideal Candidate Profile The ideal candidate is not only a sol…