SMS Firewall Manager

6 days ago

Hyderabad, Telangana, India Cynosure Corporate Solutions Full time ₹ 15,00,000 - ₹ 25,00,000 per year

Key Responsibilities

  • Configure and maintain SMS firewall rules based on parameters such as volume, content, and bad URLs.
  • Proactively monitor rule performance, identifying irregularities, issues, and false positives.
  • Maintain and update IR21 operators' database, including country, operator, HUB, GT, IMSI, and MSISDN lists.
  • Collect, manage, and analyze SMS firewall transactional and reference data using specialized tools.
  • Handle large and complex datasets to generate scheduled and ad-hoc reports.
  • Extract key insights from SMS firewall data to support business decisions.
  • Monitor and report daily and weekly SMS firewall traffic KPIs.
  • Update and maintain operator databases and numbering plans.
  • Detect, analyze, and report messaging fraud, including root cause analysis and solution recommendations.
  • Create and adjust SMS firewall rules to detect potential fraud and generate alerts.
  • Research and implement new fraud detection methods and system enhancements.
  • Collaborate with Technology, Carrier, and other teams to address network traffic and system issues.

Requirements
Skills & Experience

  • Excellent communication skills in English (verbal and written).
  • Strong analytical mindset with attention to detail and a proactive, data-driven approach.
  • Advanced Excel skills (Pivot Tables, Lookups essential).
  • Telecom experience with basic knowledge of SMS traffic flows and numbering plans.
  • Must have Knowledge of SS7 MAP with ability to read and analyze protocol logs.
  • Must have Working knowledge of Linux environments.
  • Understanding of telecom messaging fraud scenarios.
  • Hands-on experience configuring rule-based fraud detection systems.

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