SMS Firewall Manager

2 weeks ago

Chennai, Tamil Nadu, India Cynosure Corporate Solutions Full time US$ 60,000 - US$ 1,20,000 per year
  • Setting up different type of rules based on Volume, content and bad URL etc.
  • Proactive tracking of rules performance – identifying issues, irregularities and false positives.
  • Updating IR21 operators database.
  • Countries, Operator, HUB, GT, IMSI and MSISDN lists modification.
  • Identify, gather and analyse SMS firewall transactional and reference data via specific tools.
  • Manage and manipulate large and complex SMS related datasets to generate regular and ad-hoc reports to support business teams in their decision-making process.
  • Analyse and extract key insights from SMS firewall data to inform business decisions.
  • Monitor and report daily and weekly SMS firewall traffic data KPIs.
  • Update and modify system reference data such as operators' database and numbering plans.
  • Detect and analyse messaging fraud, report root cause and suggest anti-fraud solutions.
  • Create or modify SMS firewall rules that generate alarms for detecting potential fraud.
  • Explore new detection methods or system improvements and adjust the firewalls accordingly.
  • Liaise with Technology, Carrier and other teams about network traffic and system details.

Requirements

  • Good communication skills in English, both oral and in writing.
  • Analytical and attentive to details, with data-driven mindset.
  • Proactive and self-motivated.
  • Advanced Excel, working knowledge of Pivot Tables and Lookups is essential.
  • Telecom experience, basic knowledge of SMS traffic flows and numbering plans.
  • Understanding of SS7 MAP with ability to read and analyse protocol logs is a plus.
  • Understanding of telecom messaging network fraud scenarios.
  • Knowledge and experience in configuring rule-based fraud systems

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