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.
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.