Senior Network Architect - IT Infrastructure - Singapore

ByteDance, Singapore

What you will do

Own architecture design, buildout, optimization, and operations governance for global office networks, workplace networks, data center access, and cross-border backbone connectivity, ensuring high availability, performance, security, and scalability.
Lead capacity expansion for regional office network, research and development, and operations scenarios, ensuring delivery meets quality, cost, and timeline expectations.
Design enterprise network architecture aligned with IT strategy and business growth, including campus networks, wireless networks, WAN, SD-WAN, data center interconnect, cloud connectivity, IPv4 and IPv6 dual-stack coverage, network security boundaries, and disaster recovery solutions.
Act as the technical owner for key projects, driving cross-region network build, transformation, migration, and incident remediation initiatives; coordinate network, system, security, facilities, procurement, legal and compliance teams, carriers, and external vendors to identify and resolve project risks.
Build and maintain global network delivery standards, design templates, implementation guidelines, acceptance criteria, operations SOPs, MOPs, and emergency response playbooks to create repeatable network delivery methodology across countries and regions.

ByteDance, Singapore

Own architecture design, buildout, optimization, and operations governance for global office networks, workplace networks, data center access, and cross-border backbone connectivity, ensuring high availability, performance, security, and scalability.
Lead capacity expansion for regional office network, research and development, and operations scenarios, ensuring delivery meets quality, cost, and timeline expectations.
Design enterprise network architecture aligned with IT strategy and business growth, including campus networks, wireless networks, WAN, SD-WAN, data center interconnect, cloud connectivity, IPv4 and IPv6 dual-stack coverage, network security boundaries, and disaster recovery solutions.
Act as the technical owner for key projects, driving cross-region network build, transformation, migration, and incident remediation initiatives; coordinate network, system, security, facilities, procurement, legal and compliance teams, carriers, and external vendors to identify and resolve project risks.
Build and maintain global network delivery standards, design templates, implementation guidelines, acceptance criteria, operations SOPs, MOPs, and emergency response playbooks to create repeatable network delivery methodology across countries and regions.

What you need

Minimum Qualification(s)

Bachelor's degree or above in Computer Science, Network Engineering, Telecommunications, or a related technical discipline, or equivalent practical experience.
Extensive experience in IT network architecture design, planning, buildout, optimization, and operations governance for enterprise office networks, workplace networks, data center access, and cross-region network environments.
Expert knowledge of TCP and IP, routing and switching, wireless networking, load balancing, network security, and high availability architecture; strong understanding of BGP, OSPF, IS-IS, MPLS, VXLAN, EVPN, QoS, VPN, NAT, DNS, and DHCP.
Experience designing and operating IPv4 and IPv6 dual-stack networks, large-scale office networks, backbone networks, data center networks, or cross-region WAN architectures.
Strong hands-on capability in solution design, configuration review, change assessment, fault isolation, performance optimization, implementation governance, and operational handover.
Strong English communication skills, with the ability to lead technical discussions, coordinate with global and local stakeholders, and create or review HLD, LLD, RFC, MOP, SOP, RCA, RFP, SOW, acceptance reports, and project updates in English.
Able to work locally in the Singapore and collaborate across APAC; strong ownership, cross-cultural collaboration, stakeholder management, project execution, and structured problem-solving skills in a multi-time-zone environment.

Preferred Qualification(s)

Experience delivering multi-country or regional network projects, including carrier coordination, IDC connectivity, office low-voltage infrastructure, hardware procurement, vendor management, acceptance handover, and local compliance coordination; zero-to-one network build experience in a new country or city is a plus.
Familiarity with mainstream network and security vendors such as Cisco, Juniper, Aruba, F5, Fortinet, and Palo Alto.
Practical experience with SD-WAN, SDN, SASE, network virtualization, cloud leased lines, cloud interconnect, network migration, or operations management.
Experience in project or team leadership, including budget management, RFP processes, vendor delivery, milestone tracking, and risk management; PMP or equivalent project management experience is a plus.
Network or security certifications such as CCIE, HCIE, JNCIE, ACDX, ACMX, ACCX, Fortinet NSE, Palo Alto PCNSE, or equivalent.
Familiarity with ClearPass, Cisco ISE, NAC, Zero Trust access, high-density wireless, wireless roaming optimization, and endpoint experience diagnostics.
Experience using Python, Shell, Go, or similar tools to improve configuration checks, health inspection, certificate and asset lifecycle management, monitoring, alerting, ITSM, CMDB, observability, or NetDevOps workflows.