Sean Mancini
Old Toronto, Ontario, Canada
Summary
Sean Mancini is a senior software developer with 15+ years in telecommunications, specializing in building proactive monitoring and assurance systems for large-scale enterprise networks. At Rogers he led in-house monitoring projects that shifted teams from reactive fire-fighting to proactive incident prevention, cutting called-in support tickets by 40% using tools like Python, MariaDB/InfluxDB, Splunk and Cacti. He combines hands-on network and OSS experience (Ericsson, Huawei, Netcool/Tivoli) with practical security and operations expertise, from DDoS mitigation to system hardening and capacity planning. An active contributor to the Cacti community and maintainer of an IT mentoring blog and YouTube channel, he blends production engineering with knowledge sharing and mentorship. Based in Brampton, Ontario, Sean is as comfortable scripting automations and dashboards as he is aligning stakeholders around SLA-driven roadmaps, often spotting trends in ticketing data before they become outages.
6 years of coding experience
Github Skills (9)
graph10
php10
rrdtool10
cacti10
syslog9
poller8
spine8
plugin2
monitoring1
Programming languages (3)
Github contributions (5)
seanmancini/plugin_syslog
Nov 2021 - Jul 2023
Syslog Plugin for Cacti
Contributions:7 pushes in 1 year 8 months
cactisyslogplugin
seanmancini/cacti
Jan 2025 - Aug 2025
Cacti ™
Contributions:2 pushes, 1 branch in 7 months
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