Chenjun Shen
Senior Expert Devsecops @Vodafone
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WORK HISTORY
Senior Expert Devsecops @Vodafone
Düsseldorf, DE
vodafone.de/featured migration and hosting on Amazon AWS- otelo.de frontend migration and hosting on Amazon AWS- gigatv-kundenboard.de migration on Amazon AWS
EDUCATION
Shanghai Jiao Tong University
Bachelor, Animal Science
Zhejiang University
Second Bachelor, Software Engineering
SKILLS
ABOUT CHENJUN SHEN
18+ years DevSecOps engineer with a bachelor degree in Software Engineering. Many years production PostgreSQL DBA experience.Linux (*nix) System Administrator + Amazon AWS cloud: 18+ yearsPostgreSQL database management/monitoring/performance analyse: 6+ yearsTechnologies:* Big open source solution fan.* Program in Python/Bash(Shell), also have 3+ years J2ME experience.* PostgreSQL, PgBouncer, PgBadger, SkyTools* Syslog-ng, Logstash, statsd (https://github.com/etsy/statsd) and graphite.* Subversion, Git, Apache, Tomcat* CfengineLinux system administrator for 7 years. Enterprise-class monitoring (OpenNMS) supporter, individual plugin implementer upon the company\'s particular request (for instance: SIP.). And implemented end2end SOAP monitoring script for the Google Direct Carrier Billing product.Professional PostgreSQL database management. Implemented monitoring/backup scripts, streaming replication setup and familiar with table partitioning with rules & triggers. Data routine rotation and archiving. Introduced PgBouncer for database connection solution and PgBadger as log analyzer / db performance reporter. By using SkyTools to implement partial table/sequence async among different dbs.Experienced in central logging server setup with Syslog-ng (or rsyslog). Setup syslog-ng + logstash + statsd + graphite for log event metric measurement / graphical presentation.Contributor to the open source projects:* https://github.com/etsy/logster* https://github.com/etsy/statsd/See also:https://github.com/pshenhttps://de.linkedin.com/pub/chenjun-shen/a/b14/b39
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