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 solution architect but also a practical delivery leader. They should be able to translate business requirements into a resilient network architecture, lead engineers through implementation and migration, and personally take ownership of complex technical issues until they are resolved.