Senior Infrastructure & Systems Engineer (Open Source / Telecom / Cloud)

Location: Hong Kong (on-site strongly preferred; partial remote HK-based possible)

About Us

Our client is building a compliance-first voice services platform and private cloud for enterprise clients. Their environment is:

• Virtualization & clustering with open-source hypervisors
• Distributed storage and backup with open-source file systems
• Firewall and switching fabric with open-source networking stacks
• Identity & SSO using standards-based authentication and directory tools
• Centralized logging & observability with open-source monitoring frameworks
• Carrier-grade VoIP/SIP telephony stack for wholesale and B2B

Everything is declarative, audit-ready, and open-source first. They need a senior engineer to take over infrastructure ownership, design and operate production-ready systems, and prepare for compliance audits.

Responsibilities

• Architect, deploy, and operate cluster...