Telecommunications Network Engineer

- Oversee and monitor production Ubuntu servers and critical telecommunications services - Conduct daily health assessments on LAMP stack components - Assess the availability of HSS, manage OTA provisioning workflows, and oversee ENUM services - Analyze system and application logs, alerts, and security incidents - Maintain tracking of system uptime, backups, and service availability metrics - Manage Ubuntu LTS environments through administration tasks - Implement system updates, security patches, and administer package management - Configure and sustain Apache, MySQL/MariaDB, SSL certificates, and firewalls - Troubleshoot performance issues and manage resource usage during service failures - Execute routine maintenance procedures such as log rotation and cleanup - Diagnose and resolve PHP application and LAMP stack complications - Adjust configurations based on PHP error log reviews - Support PHP application upgrades, deployments, and manage dependencies - Collaborate with development teams to identify and resolve application defects - Assist in subscriber provisioning and authentication for HSS - Maintain and update OTA platforms for SIM configuration - Manage ENUM databases for the effective routing of numbers - Provide support related to IMS services including VoLTE and VoWiFi - Troubleshoot issues regarding provisioning, authentication, and carrier integration - Oversee MySQL/MariaDB databases, ensuring backups and recovery - Optimize queries and manage replication for performance improvement - Validate data and generate operational and billing reports - Respond promptly to production incidents and outages - Perform root cause analysis and document resolutions carefully - Maintain documentation on system operations, configurations, and runbooks - Participate in on-call rotations and scheduled maintenance activities