Operational Management: Customer complaint resolution and ensuring smooth service operations. Process automation. Management of application support staff. Coordination between multiple teams for service operation. Providing technical assistance to new customers for onboarding. Meeting SLAs and managing documents. Coordination between technical and business teams. VAS Services Operations: Astreisk Development, management, and technical backend operations for SMS/IVR services. E1s/PRIs configuration. Call center setup for both inbound and outbound calling. SIP Gateway setup using Kamailio and OpenSips. SMS gateway installation and configuration. CDR reporting, analytics, automation, management, and reconciliation. SaaS, A2P, and P2A services Pre-Sales Meetings, Technical Proposals and Solution Documents. Linux Server Management: Installation, administration, and system management for CentOS, Ubuntu, and RedHat servers. Scripting with Shell/Bash, Perl, and Python. Configuration and management of monitoring tools like Nagios. Installation and configuration of HAProxy and Nginx. Installation, configuration, and fine-tuning of Tomcat web application server. TCP Dump analysis with Wireshark. Log analysis and troubleshooting. Application backups and recovery. Database Operations: Design, tuning, maintenance, and management of databases and servers. Database backups and recovery.DevOps and Emerging Technologies: Adoption of DevOps tools such as Docker, Kubernetes, and AWS. Additional Expertise: Application design and architecture. Implementation, monitoring, and auditing of ISO27001 standards.