Trách nhiệm chính

• Operate, secure, and improve enterprise and datacenter network infrastructures.
• Act as an L3 escalation point and participate in scheduled on‑call rotation.
• Support shift operations when required due to staffing needs.
• Design, implement, and operate Data Center Network architecture using the Leaf‑Spine model.
• Improve network security by adopting modern identity‑based perimeter (Zero Trust) and managing VPN technologies (SD‑WAN, SASE, SSL‑VPN).
• Track and resolve security advisories/CVEs from vendors, assess impact, and execute firmware upgrades and vulnerability patching.
• Implement and manage ACLs, storm‑control, and STP/BPDU guard on switches to mitigate security risks.
• Deploy and manage DDoS protection solutions and propose advanced mitigations.
• Manage hardware lifecycles, replace faulty components, handle Arista switch RMAs, and adhere to EOS Life Cycle Policies.
• Execute network migrations, including IP planning, new topology design, and MPLS channel configurations.
• Draft technical documentation, network diagrams, RFC forms, and SOPs in English.
• Troubleshoot complex technical issues/incidents and participate in scheduled maintenance windows.

Yêu cầu

• Minimum of 3 years’ experience implementing, configuring, and improving computer networks.
• Demonstrated theoretical and operational knowledge in implementing modern networking and security solutions.
• Experience configuring Cisco, Juniper, and Arista routers and switches.
• Experience with firewall technologies including FortiGate, CheckPoint, and PaloAlto.
• Experience creating and documenting clear processes for changing network infrastructure.
• Strong understanding of TCP/IP stack, BGP, OSPF, HSRP, and VRFs.
• Experience with IP addressing strategies, SNAT, public/private IP planning, and subnetting.
• Experience creating clear network diagrams, RFCs, and process documentation.
• Excellent analytical, problem‑solving, and independent working skills.
• Intermediate to advanced technical English skills.

Yêu cầu ưu tiên

• Hands‑on experience with VMware NSX‑T, including deployment and operation of overlay networking on physical server infrastructure.
• Up‑to‑date knowledge of the latest modern trends in networking.
• Ability to quickly learn new or unfamiliar technology and products using documentation and internet resources.
• Ability to work with all levels of staff within and outside of IT and outside the organization.

Mức lương

• Competitive base salary based on your capability, 13th‑month bonus, performance bonus, and annual salary review.

Phúc lợi

• Private health insurance package provided.

Thông tin khác

• Top 3 reasons to join us: 13th‑month bonus, performance bonus, private health insurance package.
• Working hours: 9:00 – 17:30, Monday – Friday.
• Working location: Ho Chi Minh Office.