• Cloud Resources & CDN Management: manage multi-cloud environments (Alibaba, Tencent, Huawei, AWS) with cost and capacity control; lead CDN configuration for Web traffic security, acceleration, and HA
• Domain & Certificate Systems: manage all DNS resolution and filings; build a unified SSL certificate issuance, deployment, monitoring, and auto-renewal mechanism to prevent expiry incidents
• Cloud Security: lead server and business security-protection strategies (DDoS, brute-force, WAF, intrusion detection); coordinate security-incident response
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