ATUL KUMAR SINGH

KEY SKILLS:

• Managed VAS-Ops messaging projects (SMSC) across two organizations, leading L2 operations, and ensuring SLA compliance.
  
• Resolved SMSC issues nationwide, optimized performance, and reduced message delays and failures.
  
• Administered spam database servers, configured spam rules, and implemented keyword-based blocking/whitelisting using Exact and Regex patterns.
  
• Maintained a strong knowledge of GSM architecture, 3GPP standards, and telecom protocols (SS7, SMPP, Diameter, TCAP, LDAP, SCCP).
  
• Conducted KPI monitoring, latency analysis, and generated performance reports for stakeholders.
  
• Worked extensively on Linux and VMware environments, managing USSD gateways, short codes, OTP flows, and CIMD account creation.
  
• Implemented Git for version control of Linux configurations and automation scripts, enabling rollback, collaborative updates, and secure management of operational files.
  
• Coordinated with core network teams and vendors for integration, troubleshooting, and preventive maintenance of SMSC nodes.
  
• Executed incident management, RCA, and compliance with network security guidelines.
  Developed SOPs and automated tasks to enhance operational efficiency.
  
• Monitored A2P traffic patterns using analytics tools to identify vulnerabilities, and ensure proactive issue resolution.
  
• Led health checks and preventive maintenance for SMSC and VAS nodes, ensuring reliability and optimal performance.
  

KEY ACHIEVEMENTS:

• Improved SMSC performance and reduced message delivery failures through proactive monitoring and optimization.
  
• Successfully implemented spam control measures, reducing fraudulent SMS traffic significantly.
  
• Enhanced operational efficiency by automating routine tasks and optimizing traffic flow across multiple messaging platforms.