Arjan Oosting
Expert Operations Engineer
Zwolle, Overijssel, Netherlands
Summary
👤
Senior🎓
Top SchoolArjan Oosting is an Expert Operations Engineer with 11 years of experience specializing in Linux, network management and service monitoring for large telecom environments. He has deep hands-on expertise in 2nd-line support, automation and configuration management, having implemented Ansible deployments and built provisioning and migration tooling for B2B Ethernet/IP services. Arjan combines software development (PHP/Symfony, Perl, SQL, Python-style tooling) with network device automation (JunOS, Netconf) to turn complex operational workflows into reliable, auditable processes. He is an active back-end contributor to the long-running Cacti monitoring project, improving RRDtool graphing and database performance. Based in Zwolle, Netherlands, he brings a pragmatic blend of systems thinking and coding discipline rooted in formal training in physics and computer science (BSc, cum laude). Colleagues rely on him for steady delivery in high-availability, multi-tier monitoring stacks and for bridging the gap between operations and development.
11 years of coding experience
13 years of employment as a software developer
Natuurkunde, Natuurkunde at Universiteit UtrechtVWO, VWO at Carolus Clusius College
Dutch, English
Github Skills (7)
database-management10
php10
rrdtool10
sql10
cacti10
graphing9
graph9
Programming languages (7)
Github contributions (5)
Cacti/cacti
Feb 2017 - Jun 2018
Cacti ™
Role in this project:
Back-end Developer
Back-end DeveloperContributions:13 commits, 10 PRs, 2 comments in 1 year 4 months
Contributions summary:Arjan primarily contributed to the back-end of the Cacti system, fixing bugs and improving database interactions. Their work involved optimizing RRDtool graph generation, enhancing data source profile handling, and addressing issues related to the database tables. They also worked on improving the performance of the boost functionality by replacing inaccurate table counts.
graph-templatingrrdtoolcacti-frameworkcactiphp
arjanoosting/capo
May 2015 - May 2022
Contributions:2 PRs, 37 pushes, 13 branches in 7 years 1 month
cactiweb-interfaceinstallationsquerying
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