Thomas Guyot-sionnest
Infrastructure Specialist at Morgan Stanley
Montreal, Quebec, Canada
Summary
🤩
RockstarThomas Guyot-sionnest is an Infrastructure Specialist based in Montreal with 18 years of hands-on UNIX/Linux systems and devops experience, currently supporting critical infrastructure at Morgan Stanley. He blends deep systems administration skills with backend development, contributing fixes and SSL/TLS improvements to well-known monitoring projects such as Nagios/monitoring-plugins. His open-source work spans performance-minded database and RPC fixes for bitcoin-abe and pragmatic C/Perl improvements and tests for monitoring plugins, reflecting a focus on reliability and observability. Thomas is comfortable across build systems, testing, and low-level troubleshooting, and often surfaces subtle bugs in production tooling that improve long-term stability.
18 years of coding experience
English, French
Stackoverflow
2,396reputation
2.3mreached
37answers
0questions
shell
top-5%
Github Skills (38)
monitoring10
snmp10
python10
mysql10
testing10
snmpd10
nagios10
configuration-management10
c1110
plugin10
c1710
sql10
error-handling10
admin9
administrator9
Programming languages (15)
Github contributions (5)
bitcoin-abe/bitcoin-abe
Feb 2013 - Jul 2020
Abe: block browser for Bitcoin and similar currencies
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 79 commits, 37 PRs in 7 years 6 months
Contributions summary:Thomas primarily contributed to the back-end logic of the Abe Bitcoin block browser project. Their work included implementing support for different MySQL binary types, adding configuration options like `--no-load`, and fixing issues related to database interactions such as the handling of CLOB types and integer type parameters. They also improved the efficiency of data retrieval by optimizing SQL queries and resolving issues related to RPC synchronization with the Bitcoin network.
bitcoin
monitoring-plugins/monitoring-plugins
Nov 2008 - Feb 2014
A suite of Monitoring Plugins (formerly known as nagios-plugins)
Role in this project:Back-end Developer & System Administrator
Back-end Developer & System AdministratorContributions:7 reviews, 191 commits, 1 PR in 5 years 3 months
Contributions summary:Thomas's commits primarily involve modifications to the `monitoring-plugins` project, which includes plugins for monitoring various aspects of a system. Contributions span multiple plugins, including `check_mrtg`, `check_http`, and `check_snmp`. The user focused on fixing bugs, improving functionality related to SSL/TLS, and adding/improving support for different monitoring parameters and threshold configurations.
monitoringnagioscperlautoconf
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