• Lead the architecture, deployment, and optimization of network security controls and solutions in Google Cloud Platform (GCP) environments. • Design and implement security policies, segmentation strategies, firewalls, and access controls to protect cloud-based assets. • Collaborate with the Cloud Platform Engineering, SRE, and Application teams to integrate security into cloud-native solutions and workflows. • Perform risk assessments, vulnerability analysis, and threat modeling for cloud networks. • Monitor, analyze, and respond to security incidents and anomalies within GCP networks, leveraging SIEM/SOAR/XDR/NGFW/DLP and other security tools. • Develop and maintain automation scripts and infrastructure-as-code (IaC) for consistent security deployment and compliance. • Ensure adherence to regulatory/compliance requirements (e.g., SOC2, ISO27K, GDPR) and internal policies for cloud network security. • Mentor and provide technical leadership to junior engineers and cross-functional teams. • Stay current with emerging cloud security technologies, trends, and threats. • Contribute to the development of security standards, best practices, and documentation for Calix Cloud environments.