Senior Cloud Network Team Lead

About the Role

The Senior Network Operations Team Lead is responsible for leading day-to-day network operations for customer environments across Local Cloud/On‑Prem and Public Cloud (Microsoft Azure, AWS, Google Cloud). This role ensures stable, secure, and compliant network services including WiFi/WLAN, Firewall, VPN, and cloud networking, while driving incident resolution, change delivery, and continuous improvement.

Responsibilities

• Lead, coach, and develop the Network Operations team; assign work, set priorities, and ensure high-quality delivery aligned with SLA/OLA.
• Act as an escalation point; provide clear communication to customers during incidents/changes; participate in service reviews and improvement plans.
• Operate and troubleshoot routing/switching, WAN/LAN, DNS/DHCP, and branch connectivity to ensure availability and performance.
• Support and operate cloud network components across Azure/AWS/GCP (VPC/VNet, subnets, route tables/UDR, security rules/SG/NSG, gateways, load balancers, private connectivity and DNS).
• Operate and maintain firewall platforms (policy, NAT, logging, IPS/IDS features); coordinate vulnerability remediation and security hardening with security stakeholders.
• Implement and support Site-to-Site and Remote Access VPN (IPsec/SSL), including routing, certificates, and tunnel troubleshooting.
• Support enterprise WiFi/WLAN (AP/controller, SSID/security, guest access, performance troubleshooting and basic RF considerations).
• Lead incident response (triage, containment, recovery, communication); perform root cause analysis (RCA) and drive permanent corrective actions.
• Plan and execute Move/Add/Change and setup/implementation tasks following ITSM processes (design validation, pre-check, cutover, rollback, post-check).
• Ensure effective monitoring, alert tuning, dashboards, and reporting on availability, performance, incident trends, and capacity/cost drivers.
• Maintain accurate network diagrams, configurations, SOP/runbooks, as-built documents, and knowledge articles to enable consistent operations.
• Identify automation opportunities and operational improvements; evaluate new tools/technologies and implement best practices.

Qualifications

• Bachelor’s degree in Computer Engineering, Computer Science, IT, or equivalent practical experience.
• 5+ years of experience in Network Operations / Network Engineering (enterprise or service provider/MSP), with 1–3+ years in a technical lead or team lead role.
• Strong knowledge of routing and switching (BGP/OSPF, VLANs, STP, QoS) and ability to troubleshoot complex L2/L3 issues.
• Hands-on experience operating Firewall and network security controls; experience with at least one major vendor (Palo Alto, Fortinet, Check Point) is preferred.
• Hands-on experience with VPN technologies (IPsec/SSL, Site-to-Site, Remote Access) and troubleshooting of connectivity/routing/certificates.
• Experience supporting enterprise WiFi/WLAN (controller/AP concepts, authentication/security, guest access; basic RF troubleshooting).
• Cloud networking experience in one or more cloud providers (Azure/AWS/GCP) and understanding of hybrid connectivity between on-prem/local cloud and public cloud.
• ITSM process experience: Incident/Problem/Change management; ability to lead Sev1/Sev2 incidents, drive RCA, and manage change execution.
• Familiarity with monitoring and troubleshooting tools (SolarWinds/PRTG/Zabbix, Wireshark/tcpdump, log analysis) and strong documentation discipline.
• Excellent communication skills in Thai and/or English, especially for customer-facing incident updates and coordination across teams.
• Ability to work in shifts or provide 24x7 on-call support when required.
• Experience in Presale/Project Management is preferred.

Preferred Certifications

• Networking: CCNA/CCNP (or equivalent).
• Cloud: AZ-700, AWS Advanced Networking, Google Professional Cloud Network Engineer.
• Security: Vendor certifications related to Firewall/VPN (Fortinet NSE, PCNSE, Check Point CCSA/CCSE).

Working Location

Chalernnakorn Thonburi / Klong Toey / Exchange Tower