We are seeking an experienced Principal Network Engineer (4–7 years) to manage patching and lifecycle maintenance of network and network security infrastructure within a regulated banking environment . The primary responsibility is to ensure timely remediation of vulnerabilities through controlled patching processes , while maintaining high availability, security posture, and regulatory compliance . The role requires strong expertise in risk assessment, impact analysis, and stakeholder communication , ensuring all changes are executed with minimal disruption and in full alignment with governance processes. In addition, the engineer will provide secondary support to Network & Security Operations (L2/L3) for incident handling and operational stability. Note: This role involves planned after-hours and weekend work aligned with approved maintenance windows for production systems.